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Professional Plus

Product Recycling Recycling

Handheld Multiparameter Instrument

 

The YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature. Also a very powerful lab instrument for BODs, pH and ORP.

This product has received the EA's MCERTS Certification
This product is RoHS Compliant
New 3D Interactive Model
YSI Professional Plus Shown with Single Parameter Cable and Probe Assembly
Send me a Quote!


Find a Distributor

YSI has Authorized Distributors all over the globe. View a map and find your closest contact for YSI Professional Plus products and accessories.

Find a Distributor

Get Support

Have a question about your YSI Professional Plus? Check out the support page with resources compiled just for you.

Contact Technical Support

Product Service Centers

Want to return a product for service? Here you'll find authorized service centers and instructions on how to send in your YSI Professional Plus.

Product Service

The Quatro cable attached to the Pro Plus allows you to utilize 4-ports to measure temperature/conductivity, DO, and any two ISEs among pH, ORP, ammonium, chloride, or nitrate creating an extremely powerful handheld multiparameter instrument.

Interested in a Pro Series Product? Check out the trade in program currently going on (U.S. only).

Toughest
The Pro Plus instrument meets the demands of true field work. The instrument is rated to IP-67 standards even without the battery cover on. Other tough features include a 3-year warranty, Mil-spec connectors, rubber overmolded case, and a 2-year cable warranty. In-house testing procedures also include 1-meter drop tests from all angles to ensure expected field-durability.

Tough, Field Durability Features Include:

  • Easy-to-install cable weights; can be daisy-chained for additional weight*
  • Rubber, over-molded IP-67 waterproof case (even without the battery cover)*
  • 3-year instrument warranty
  • 2-year cable warranty*
  • Rugged cables, sensors, and military-spec connectors*
  • Drop-tested 1 meter at all angles*
  • Scratch-resistant lens; viewable with polarized glasses
  • Instrument floats
  • Weighted, user-replaceable multi-sensor design

Smartest
The instrument provides numerous benefits from the following features; 5,000 data-set memory, password protection, backlit display and keypad, graphic display with detailed Help functionality, re-cal prompts, user defined fields, detailed GLP, auto stable, Hold All Readings function, Data Manager software for the desktop, USB connection, auto-buffer recognition, and flexible folders and site lists for logging data.

Smart Features Include:

  • 5,000 data set memory
  • Detailed on-screen Help function*
  • Free, Data Manager desktop software and ProComm II saddle*
  • Interval or single-event logging
  • 100 folder & site list data structure*
  • Password protection
  • Detailed GLP data
  • USB connection also powers the instrument
  • 6-point cal with auto-buffer recognition*
  • User-adjustable auto-stable with prompts*
  • User-upgradeable software via waterproof USB port
  • Recalibration prompts
  • Search function filters user-defined data information*
  • Backlit display AND keypad*
  • Cable management kit included with all cables from 4- to 30-meters*

Most Versatile
Connect any Professional Series cable (excludes ODO cables) and probe option to the instrument and use the convenient cable management kit to keep everything simple and organized. Cable options range from 1-, 4-, 10-, 20-, and 30-meter choices (up to 100-meters on DO only cables). Use lab or field probes and switch between the two quickly. The Pro Plus makes an ideal lab BOD instrument with the proven self-stirring BOD probe. A convenient handstrap can be used on either side of the instrument. A complete family of accessories also increases the versatility of the Pro Plus. Choose among accessories including carrying cases, flow cells, cable weight, belt clip, tripod, and c-clamp.

Added Versatility Features Include:

  • Adjustable right- or left-handed hand strap*
  • Multiple user-replaceable sensor options and a choice of DO sensors*
  • Multiple parameter options and cable lengths
  • Lab-grade ISE sensors and BOD probe available to make a true lab/field instrument
  • Languages - English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese, Chinese (Simplified and Traditional)
  • Wide array of accessories are available from flow cells, to shoulder straps, to carrying cases

Free - Data Manager - Watch the Data Manager Demo Video
Data management can become a daunting task over time but with the Data Manager software this task is much simpler and efficient. Download data, configure instruments, and conduct real-time studies easily with Data Manager software. View data graphically or in tabular form and export data as needed to other programs. Data Manager software is a very powerful tool. So powerful in fact, that we give it to you at no charge when purchasing a Pro Plus. After all, it's all about the data!

When purchasing the Pro Plus you will receive the instrument, manual, batteries, communications saddle, USB cable, and Data Manager software. Cables and probes are ordered separately.

* feature or benefit only YSI offers on a handheld instrument.

Related Products


YSI Pro Series Handheld, Portable Water Quality Meters





Professional Series Product Line
YSI ProODO Measuring Dissolved Oxygen in Aquaculture





ProODO
YSI Pro20 Lab or Field Dissolved Oxygen Meter





Pro20
YSI Pro30 Handheld Conductivity Meter





Pro30

 

YSI Pro1020 Dissolved Oxygen, pH or ORP Meter





Pro1020
YSI Pro1030 Water Quality Meter





Pro1030
YSI Pro2030 Field Dissolved Oxygen/Conductivity Meter





Pro2030
YSI 5000/5100 Laboratory BOD and DO Meters





5000 / 5100

 

YSI BOD Analyst Pro Screen Shot





BOD Analyst Pro™

 

 

 

 

Professional Plus Instrument General Specifications

Auto Stable User-defined auto-stable function holds stable readings on display when criteria is met
Barometer Built-in barometer
Buffer Recognition Auto buffer recognition for US and NIST buffers
Certifications RoHS, CE, WEEE, C-Tick, VCCI, FCC, IP-67, 1-meter drop test, Assembled in USA
Connectivity USB 2.0; ProComm II communications saddle and USB cable included; user-upgradeable software via USB and website
Connector MS (military spec) waterproof with bayonet lock
Data Management

Data Manager desktop software included; 100 user-defined folders and site names

Minimum PC requirements;

  • Windows 2000 with SP4 (minimum) or XP with SP2 (minimum)
  • 300 MHz or higher Pentium-compatible CPU
  • 128 MB of RAM or higher
  • 80 MB or more of free hard-disk space
  • USB 2.0
  • Microsoft.NET (installed with Data Manager)
Data Memory 5,000 data sets (data, date, time, user-defined info); 100 GLP files
Dimensions 8.3 cm width x 21.6 cm length x 5.6 cm depth (3.25 in x 8.5 in x 2.21 in)
Display Graphic display with detailed Help; backlit display AND keypad
DO Membrane Response Times
(T95; 100%-0) and Flow Dependence
1.25 mil PE = 8 seconds and 6 in/sec flow
2.0 mil PE = 17 seconds and 3 in/sec flow
1 mil Tefl on® = 18 seconds and 12 in/sec flow
DO Sensors Polarographic or galvanic field sensors; self-stirring polarographic BOD sensor for the lab
Field Cables Standard lengths of 1, 4, 10, 20, or 30 meters - up to 100 meters on DO only cables;  4- through 30-meter cables include a cable management kit
Flow Cell Single, dual and multiparameter Quatro cable all flow cell compatible
GLP Compliance Yes; detailed GLP information is stored and is available to view, download or print
Lab Cables BOD sensor includes 2-meter cable; 1 or 4 meters on lab pH, ORP and pH/ORP cables
Languages English, Spanish, German, French, Italian, Norwegian, Portuguese, Japanese, Chinese (Simplified & Traditional)
Logging Modes Single or Continuous
Operating Temperature -10 to 60°C
Power 2 alkaline C-cells provide 80 continuous hours at ambient temperature without backlight; ProComm II saddle provides USB power or optional wall power, cigarette lighter, and universal cell phone charger options
Storage Temperature -20 to 70°C
User ID Optional user ID for data security
Warranty 3-year instrument; 2-year field cables
Waterproof IP-67 (even with the battery cover off); floats
Weight with Batteries 475 grams (1.05 lbs)

 

Professional Plus System Specifications (Cables & Sensors)

Sensor Type Range Accuracy Resolution Units Calibration
Dissolved Oxygen (%)
(temp comp range -5 to 45°C)
Polarographic or Galvanic 0 to 500% 0 to 200%
(± 2% of reading or 2% air saturation, whichever is greater)
200% – 500% (± 6% of reading)
1% or 0.1% air saturation
(user selectable)
% 1 or 2-points with zero
Dissolved Oxygen (mg/L)
(temp comp range -5 to 45°C)
Polarographic or Galvanic 0 to 50 mg/L 0 to 20 mg/L
(± 2% of reading or 0.2 mg/L, whichever is greater)
20 – 50 mg/L (± 6% of reading)
0.1 or 0.01 mg/L (user selectable); 0.1% air saturation mg/L, ppm 1 or 2-points with zero
Temperature
(Field rugged cables)
-5 to 70°C ±0.2°C (±0.3°C cables over 45-meters) 0.1°C °C, °F, K
Temperature
(Lab-grade)*
0 to 40°C ±0.35°C 0.1°C °C, °F, K
Conductivity** Four electrode cell 0 to 200 mS/cm
(auto range)
±0.5% of reading or 0.001 mS/cm, whichever is greater (1-, 4-m cable) ±1% of reading or 0.001 mS/cm, whichever    is greater (20-m cable)

0 to 0.500 mS/cm = 0.001

0.501 to 50.00 mS/cm = 0.01

50.01 to 200 mS/cm = 0.1

(range dependent)

µS, mS 1 point
Salinity Calculated from conductivity and temperature 0 to 70 ppt ±1.0% of reading or 0.1 ppt, whichever is greater 0.01 ppt ppt, PSU 1 point
pH Glass Combination Electrode 0 to 14 units ±0.2 units 0.01 units mV, pH units 1, 2, 3, 4, 5, or 6 point (user selectable);         US, NIST or Custom       Buffers
ORP Platinum button --1999 to +1999 mV ±20 mV in redox standards 0.1 mV mV 1 point
Ammonium***
(ammonia with pH sensor)
Ion Selective Electrode 0 to 200 mg/L-N, 0 to 30°C ±10% of reading or 2 mg/L-N, whichever is greater 0.01 mg/L mg/L-N, mV 1, 2, or 3 point
(user selectable)
Nitrate*** Ion Selective Electrode 0 to 200 mg/L-N, 0 to 30°C ±10% of reading or 2 mg/L-N, whichever is greater 0.01 mg/L mg/L-N, mV 1, 2, or 3 point
(user selectable)
Chloride*** Ion Selective Electrode 0 to 1000 mg/L, 0 to 40°C ±15% of reading or 5 mg/L, whichever is greater 0.01 mg/L mg/L-Cl-, mV 1, 2, or 3 point
(user selectable)
Total Dissolved Solids (TDS) Calculated from conductivity and temperature 0 to 100 g/L TDS constant range 0.30 to 1.00 (0.64 default) 0.001, 0.01, 0.1g/L kg/L, g/L
Barometer Piezoresistive 375 to 825 mmHg ±1.5 mmHg from 0 to 50°C 0.1 mmHg mmHg, inHg, mbar, psi, kPa, ATM 1 point
Instrument Only Specifications (at Ambient Temperature)
pH -2.60 to 16.60 ±0.1 mV (0.01 pH units) 0.1 mV (0.01 pH units)
ORP -1999 to +1999 mV   ±0.5 mV   0.1 mV
Conductivity 0.0 to 200 mS/cm each range ±0.1% FS ±1 digit for µS/cm to 0.1 mS/cm (range dependent) 0.0001 mS/cm or 0.1
Dissolved Oxygen 0.00 to 90 mg/L; 0 to 550% ±0.2% FS (550% air saturation) ±1 digit (with 1.25 PE membrane at 10°C) 0.01 mg/L; 0.1% air saturation
Temperature -10 to 100.00°C ±0.2% FS ±1 digit 0.1°C °C, °F, K

*Lab-grade cables include 605107, -108, -109, 605177, -178, -179
** Derived parameters can include resistivity, salinity, specifi c conductance, and total dissolved solids
***ISE sensors for freshwater only; 17-meter maximum depth

 

Ordering Guide

Step 1: Order Instrument
Item # Description
6050000 Instrument, includes Data Manager software, the ProComm II  communications saddle, and USB cable
Step 2: Order Cable(s)
All cables include temperature; cables 4- through 30-meters include cable management kit; cables with conductivity include sensor (no need to order conductivity sensor)
60510 1, 4, 10, 20 or 30 meter: ISE1/temp
60520 1, 4, 10, 20, 30 or up to100 meters2: DO/temp
60530 1, 4, 10, 20 or 30 meter: conductivity/temp
6051010 1, 4, 10, 20 or 30 meter: ISE/ISE/temp
6051020 1, 4, 10, 20 or 30 meter: ISE/DO/temp
6051030 1, 4, 10, 20 or 30 meter: ISE/conductivity/temp
6052030 1, 4, 10, 20 or 30 meter: DO/conductivity/temp
605790 1, 4, 10, 20 or 30 meter: ISE/ISE/DO/conductivity/temp
605107 1–meter single junction pH sensor & cable
605177 4–meter single junction pH sensor & cable
605108 1–meter single junction ORP sensor & cable
605178 4–meter single junction ORP sensor & cable
605109 1–meter single junction pH/ORP sensor & cable
605179 4–meter single junction pH/ORP sensor & cable
Step 3: Order Sensor(s)
605202 Galvanic DO
605203 Polarographic DO
605780 Self-stirring BOD (2-meter cable included)
605101 pH (ISE)
605102 ORP (ISE)
605103 pH/ORP combination (ISE)3
605104 Ammonium (ISE)
605105 Chloride (ISE)
605106 Nitrate (ISE)
1 ISEs include pH, ORP, Ammonium, Nitrate, Chloride
2 Special order cables in 10-meter increments up to 100 meter available
3 Not recommended on 6051010 or 605790 cables. Only pH would appear.

 

Ordering Guide for Professional Plus Kits

Item # Description Included in Kit
603165 BOD Kit, US Pro Plus meter, ProBOD self-stirring BOD probe, Lab Dock, US Power Supply (073035) and ProComm II power (605209)
603219 BOD Kit, INT Pro Plus meter, ProBOD self-stirring BOD probe, Lab Dock, International power supply (073047) and ProComm II power (605210)
603166 BOD/pH Kit, US Pro Plus meter, ProBOD self-stirring BOD probe, lab pH sensor (605107), Lab Dock, US power supply (073035) and ProComm II power (605209)
603220 BOD/pH Kit, INT Pro Plus meter, ProBOD self-stirring BOD probe, lab pH sensor (605107), Lab Dock, International power supply (073047) and ProComm II power (605210)
603167 Pol DO Lab/Field Kit, 4-m, US Pro Plus meter, ProBOD self-stirring BOD probe, 4-meter field cable with polarographic DO probe, Lab Dock, US power supply (073035) and ProComm II power (605209), soft-sided carrying case (603162)
603221 Pol DO Lab/Field Kit, 4-m, INT Pro Plus meter, ProBOD self-stirring BOD probe, 4-meter field cable with polarographic DO probe, Lab Dock, International power supply (073047) and ProComm II power (605210), soft-sided carrying case (603162)
603178 Gal DO, 4-m Pro Plus meter, 4-meter field cable with galvanic DO probe, soft-sided carrying case (603162)
603179 Pol DO, 4-m Pro Plus meter, 4-meter field cable with polarographic DO probe, soft-sided carrying case (603162)
603180 Pol DO/Con, 4-m Pro Plus meter, 4-meter field cable with polarographic DO probe and conductivity, soft-sided carrying case (603162)
603181 Gal DO/Con, 4-m Pro Plus meter, 4-meter field cable with galvanic DO probe and conductivity, soft-sided carrying case (603162)
603182 Pol DO/Con, 10-m Pro Plus meter, 10-meter field cable with polarographic DO probe and conductivity, soft-sided carrying case (603075)
603183 Gal DO/Con, 10-m Pro Plus meter, 10-meter field cable with galvanic DO probe and conductivity, soft-sided carrying case (603075)
603184 Pol DO/pH, 4-m Pro Plus meter, 4-meter field cable with polarographic DO probe and pH, soft-sided carrying case (603162)
603185 Gal DO/pH, 4-m Pro Plus meter, 4-meter field cable with galvanic DO probe and pH, soft-sided carrying case (603162)
603186 Pol DO/pH, 10-m Pro Plus meter, 10-meter field cable with polarographic DO probe and pH, soft-sided carrying case (603075)
603187 Gal DO/pH, 10-m Pro Plus meter, 10-meter field cable with galvanic DO probe and pH, soft-sided carrying case (603075)
603188 pH/Con, 4-m Pro Plus meter, 4-meter field cable with pH and conductivity, soft-sided carrying case (603162)
603189 pH/Con, 10-m Pro Plus meter, 10-meter field cable with pH and conductivity, soft-sided carrying case (603075)
603190 Pol DO/pH/Con, 4-m Pro Plus meter, 4-meter Quatro field cable with polarographic DO probe, pH and conductivity, soft-sided carrying case (603075)
603223 Pol DO/pH/ORP/Con, 4-m Pro Plus meter, 4-meter Quatro field cable with polarographic DO probe, pH/ORP combo and conductivity, soft-sided carrying case (603075)
603191 Gal DO/pH/Con, 4-m Pro Plus meter, 4-meter Quatro field cable with galvanic DO probe, pH and conductivity, soft-sided carrying case (603075)
603224 Gal DO/pH/ORP/Con, 4-m Pro Plus meter, 4-meter Quatro field cable with galvanic DO probe, pH/ORP combo and conductivity, soft-sided carrying case (603075)

Manuals

YSI Professional Plus User Manual

Français - YSI ProPlus Guide d’utilisation

Deutsch - YSI ProPlus Bedienungsanleitung

Italiano - YSI ProPlus Manuale d'uso

Español - YSI ProPlus Manual del Usuario

日本 - YSI プロフェッショナル プラス 取扱説明書

Professional Plus Quick Start Guide

5905, 5010, 200-BOD, and Pro-BOD Probe Instruction Manual

Tips, FAQs & Guides

Professional Plus Handheld Calibration Tips

Specification Sheets

YSI Professional Series Kits

YSI Professional Plus Quatro Cable Specifications

YSI Amplified pH and pH/ORP Sensors

YSI Professional Plus Water Quality Meter Specifications

Français - YSI Professional Plus qualité de l'eau Spécifications de l'instrument

Español - YSI Professional Plus de Calidad del Agua de instrumentos Especificaciones

YSI BOD Analyst Pro™ Desktop Software

Catalogs & Brochures

BOD Testing

Groundwater Applications & Capabilities

Water Quality Sampling for Field and Laboratory

Wastewater - Water Quality Capabilities & Solutions

Aquaculture Applications, Capabilities & Solutions

Español - Piscicultura Aplicaciones, Competencia y Soluciones

Water Monitoring Solutions

Application Notes

YSI Professional Plus Used in ORP and Arsenic in Drinking Water Wells Study

Preliminary Assessment of Water Quality in Haiti - Surface Water

Oyster Restoration Efforts in Delaware Bay - Water Quality

Oregon DEQ Uses the YSI Pro Plus in Groundwater Nitrate Study

Chronic Exposure Effects to Rainbow Trout from Nitrate Nitrogen

Kamchatka Peninsula: Where the Waters Run Free and Salmon Thrive

Understanding Ammonia in Aquaculture Pond Systems

YSI Multiparameter Handheld Used to Help Monitor a Forest Invader in Headwater Streams

Small Team Saves Big Hassles with the Professional Plus Multiparameter Instrument

Miami Conservancy District Uses Nitrate Screening as Conjunctive Management Tool

ORP Management in Wastewater as an Indicator of Process Efficiency

Dissolved Oxygen Management and Related Costs in Pond Aquaculture

Español - Gestión del Oxígeno Disuelto y costes relacionados en estanques de piscicultura

Handheld Professional Plus Instrument Saves Time Measuring Ammonia in Aquaculture Ponds

Español - El portátil Professional Plus ahorra tiempo cuando no hay tiempo que perder

Technical Notes

How to Ensure Accurate and Successful BOD Measurements

MCERTS Certifications

MCERTS - YSI Professional Plus

Compliance Certifications

YSI Instruments EPA Compliance Guide

Webinars

Archived Webinar:
Making Better pH Measurements in Sampling and Long-Term Monitoring Applications



Original Broadcast: Tuesday, June 7, 2011 —1:00-2:00 PM Eastern Time (US)

YSI's Mike Lizotte and Tom Moeggenberg present an informative webinar about making accurate pH measurements in sampling and monitoring applications.

Topics include:
• Choosing the right sensor for your application
- Sampling vs. long-term sensor options
- Glass bulb, flat glass, and hemispherical bulbs
-  New Amplified pH sensor technology
-  Replaceable vs. refillable probes
• How to make good pH measurements
- Calibration procedures
- Using millivolts to estimate sensor life and anticipate replacement
- How to recondition and service a pH sensor
- Field measurements in Low Ionic Conditions
- Preventing biofouling on sensors

Who should attend:
• Those using submersible field sensors for water quality sampling and monitoring
• Those measuring pH for water quality concerns, including climate change, ocean acidification, acid mine drainage, aquaculture and fisheries, and NPDES compliance

Download Slide Presentation: Making Good pH Measurements

 

YSI 1001 pH Sensor for Pro Series
 

1001 Pro Series pH Sensor

YSI 1001 pH sensor for the Professional Plus instrument.

YSI 1002 ORP (Redox) Sensor for Pro Series
 

1002 Pro Series ORP (Redox) Sensor

YSI 1002 ORP (redox)sensor for the Professional Plus instrument.

YSI 1003 Combination pH/ORP Sensor for Pro Series
 

1003 Pro Series pH/ORP Combo Sensor

YSI 1003 pH/ORP (pH/redox) combination sensor for the Professional Plus instrument.

YSI 1004 Ammonium Sensor for Pro Series
 

1004 Pro Series Ammonium, NH4+ Sensor

YSI 1004 ammonium, NH4+ sensor for the Professional Plus instrument.

YSI 1005 Chloride Sensor for Pro Series
 

1005 Pro Series Chloride Sensor

YSI 1005 chloride sensor for the Professional Plus instrument.

YSI 1006 Nitrate Sensor for the Pro Series
 

1006 Pro Series Nitrate Sensor

YSI 1006 nitrate sensor for the Professional Plus instrument.

YSI 1007 Lab-Grade pH Sensor for Pro Series
 

1007 Pro Series Lab pH Sensor and Cable

YSI 1007 lab-grade pH sensor for the Professional Plus instrument.

YSI 1008 Lab-Grade ORP Sensor for Pro Series
 

1008 Pro Series Lab ORP (Redox) Sensor and Cable

YSI 1008 lab-grade ORP (Redox) sensor for the Professional Plus instrument.

YSI 1009 Lab-Grade pH/ORP Sensor for Pro Series
 

1009 Pro Series Lab pH/ORP Sensor and Cable

YSI 1009 lab-grade pH/ORP (pH/Redox) sensor for the Professional Plus instrument.

YSI 170 Electrdoe Stand
 

170 Electrode Stand

The 170 electrode stand is ideal for a lab setting to hold the sensors during measurements.

YSI 2002 Galvanic DO Sensor for Pro Series
 

2002 Pro Series Galvanic DO Sensor

YSI 2002 Galvanic sensor for the Professional Plus and Pro20 DO instruments.

YSI 2003 Polarographic DO Sensor for Pro Series
 

2003 Pro Series Polarographic DO Sensor

YSI 2003 Polarographic sensor for the Professional Plus and Pro20 DO instruments.

YSI 3056 Flow Cell Spike Attached to the 3059 Flow Cell
 

3056 Flow Cell Mounting Spike

The mounting spike simply attaches to the base of the 3059 or 3077 flow cell to stabilize the flow cell on the ground.

YSI 3059 Flow Cell Shown on Side Unassembled
 

3059 Flow Cell, Standard 203 mL

Standard flow cell. 203 mL. Easily disassembles for complete cleaning. Can be used with the Pro Series single or dual-parameter cables, 556, or 600XL and 600XLM instruments.

YSI 3062 Cable Management Kit
 

3062 Cable Management Kit

Easily manage your cables. Also attaches to the back of the instrument to create a very compact system.

YSI Belt Clip for All Pro Series Meters
 

3069 Belt Clip

Easily attach any Pro Series, 556, or 650 instrument to your belt or other convenient location with this simple clip.

YSI 3074 Hard Sided Case for the Pro Series Instruments
 

3074 Hard-Sided Carrying Case

The 3074 hard-sided carrying case ideal for all Pro Series products.

YSI 3075 Soft Sided Case for the Pro Series Instruments
 

3075 Soft-Sided Carrying Case

A soft-sided carrying case ideal for all Pro Series products. Cable management kits easily attach to the outside of the case keeping the inside clean and dry.

YSI 3076 Extended Length Flow Cell Shown with 3078 Adaptors
 

3076 Extended Length Flow Cell

Extneded length flow cell for Pro Series single or dual port cables

YSI 3682 Zobell ORP Calibration Solution
 

3682 Zobell ORP Calibration Solution

YSI 3682 Zobell solution is used for calibrating ORP/Redox on several YSI instruments.

YSI pH 4, 7 and 10 buffers
 

3824 Assorted pH Buffers Case

Various pH buffers for pH probe calibration.

YSI Tripod Connects to the Back of the Instrument
 

4654 Tripod

This small 4654 tripod supports the instrument at a convenient viewing angle.

YSI 5518 Power Supply
 

5518 AC to Mini-USB Power Supply

The AC power supply for the Pro Plus or ProODO instrument Pro Comm II communications saddles.  Powers the saddle and the instrument.

YSI 5519 International Power Supply
 

5519 AC to Mini-USB Power Supply

The AC power supply for the Pro Plus or ProODO instrument Pro Comm II communications saddles.  Powers the saddle and the instrument.  International version.

YSI 5560 Temperature and Conductivity Sensor for the 556 Instrument Instrument
 

5560 Temperature & Conductivity Sensor

Combination temperature and conductivity sensor for the YSI Model 556 instrument

YSI Confidence Solution to Check pH, ORP, Conductivity
 

5580 Confidence Solution®

Never worry about the accuracy of your pH, ORP, or conductivity data again! Ensure probe performance with the 5580 Confidence Solution®.

YSI 5906 Screw-On Dissolved Oxygen Cap Membrane Kit
 

5906 DO Cap Membrane Kit

YSI 5906 screw-on cap dissolved oxygen membranes.

YSI 5908 Screw-On Dissolved Oxygen Cap Membrane Kit
 

5908 DO Cap Membrane Kit

YSI 5908 screw-on cap dissolved oxygen membranes.

YSI 5909 Screw-On Dissolved Oxygen Cap Membrane Kit
 

5909 DO Cap Membrane Kit

YSI 5909 screw-on cap dissolved oxygen membranes.

YSI 5912 Screw-On Dissolved Oxygen Cap Membrane Kit
 

5912 DO Cap Membrane Kit

YSI 5912 screw-on cap dissolved oxygen membranes for galvanic sensors.

YSI 5913 Screw-On Dissolved Oxygen Cap Membrane Kit
 

5913 DO Cap Membrane Kit

YSI 5913 screw-on cap dissolved oxygen membranes for galvanic sensors.

YSI 5914 Screw-On Dissolved Oxygen Cap Membrane Kit
 

5914 DO Cap Membrane Kit

YSI 5914 screw-on cap dissolved oxygen membranes for galvanic sensors.

YSI 5798 Cable Weight for Pro Series Single and Quatro Cables
 

5978 Cable Weight

The 5978 cable weight attaches to the end of the probe guard. Ideal for longer cables to ensure you reach the depths you need.

YSI Shoulder Strap for Pro Series Instruments
 

603070 Pro Series Shoulder Strap

Easily attach any Pro Series instrument to the shoulder strap to keep your instrument secure and safe when sampling.

YSI Pro Plus BOD Lab Kit, US
 

603165 Pro Plus BOD Lab Kit US

Pro Plus meter, BOD probe, Lab dock, US power supply

YSI Pro Plus BOD pH Lab Kit, US
 

603166 Pro Plus BOD pH Lab Kit US

Pro Plus meter, BOD probe, Lab quality pH probe, Lab dock, US power supply

YSI Pro Plus BOD/DO Lab and Field Kit, 4-meter, US
 

603167 Pro Plus 4-Meter BOD/DO Lab and Field Kit US

Pro Plus meter, BOD probe, 4-meter cable with Polarographic DO, Lab dock, US power supply, carrying case, cable management kit

YSI Pro Plus Field Kit, 4-meter, Galvanic DO
 

603178 Pro Plus 4-Meter Field Kit Galvanic

Pro Plus meter, 4-meter cable with Galvanic DO probe, carrying case, cable management kit

YSI Pro Plus Field Kit, 4-meter, Polarographic DO and Conductivity
 

603180 Pro Plus 4-Meter Field Kit Polarographic and Conductivity

Pro Plus meter, 4-meter cable with conductivity built-in and Polarographic DO probe, carrying case, cable management kit

YSI Pro Plus Field Kit, 10-meter, Polarographic DO and Conductivity
 

603182 Pro Plus 10-Meter Field Kit Polarographic and Conductivity

Pro Plus meter, 10-meter cable with conductivity built-in and Polarographic DO probe, carrying case, cable management kit

YSI Pro Plus Field Kit, 4-meter, Polarographic DO and pH
 

603184 Pro Plus 4-Meter Field Kit Polarographic and pH

Pro Plus meter, 4-meter cable with Polarographic DO probe, field pH probe, carrying case, cable management kit

YSI Pro Plus Field Kit, 10-meter, Polarographic DO and pH
 

603186 Pro Plus 10-Meter Field Kit Polarographic and pH

Pro Plus meter, 10-meter cable with Polarographic DO probe, field pH probe, carrying case, cable management kit

YSI Pro Plus Field Kit, 4-meter, Conductivity and pH
 

603188 Pro Plus 4-Meter Field Kit Conductivity and pH

Pro Plus meter, 4-meter cable with conductivity built-in, field pH probe, carrying case, cable management kit

YSI Pro Plus Field Kit, 10-meter, Conductivity and pH
 

603189 Pro Plus 10-Meter Field Kit Conductivity and pH

Pro Plus meter, 10-meter cable with conductivity built-in, field pH probe, carrying case, cable management kit

YSI Pro Plus Field Kit, 4-meter, Polarographic DO, Conductivity and pH
 

603190 Pro Plus 4-Meter Field Kit Polarographic DO, Conductivity and pH

Pro Plus meter, 4-meter cable with conductivity built-in and Polarographic DO probe, field pH probe, carrying case, cable management kit

YSI Pro Plus Field Kit, 4-meter, Galvanic DO, Conductivity and pH
 

603191 Pro Plus 4-Meter Field Kit Galvanic DO, Conductivity and pH

Pro Plus meter, 4-meter cable with conductivity built-in and Galvanic DO probe, field pH probe, carrying case, cable management kit

YSI Pro Plus BOD Lab Kit, International
 

603219 Pro Plus BOD Lab Kit International

Pro Plus meter, BOD probe, Lab dock, International power supplies

YSI Pro Plus BOD pH Lab Kit, International
 

603220 Pro Plus BOD pH Lab Kit International

Pro Plus meter, BOD probe, Lab quality pH probe, Lab dock, International power supplies

YSI Pro Plus BOD/DO Lab and Field Kit, 4-meter, International
 

603221 Pro Plus 4-Meter BOD/DO Lab and Field Kit International

Pro Plus meter, BOD probe, 4-meter cable with Polarographic DO, Lab dock, International power supplies, carrying case, cable management kit

YSI Pro Plus Field Kit, 4-meter, Polarographic DO, Conductivity and pH/ORP
 

603223 Pro Plus 4-Meter Field Kit Polarographic DO, Conductivity, and pH/ORP

Pro Plus meter, 4-meter cable with conductivity, Polarographic DO probe, field pH, field ORP probe, carrying case, cable management kit

 YSI Pro Plus Field Kit, 4-meter, Galvanic DO, Conductivity and pH/ORP
 

603224 Pro Plus 4-Meter Field Kit Galvanic DO, Conductivity, and pH/ORP

Pro Plus meter, 4-meter cable with conductivity, Galvanic DO probe, field pH, field ORP probe, carrying case, cable management kit

YSI ISE Cable for the Pro Plus Handheld
 

60510 Pro Series ISE Cable

The 60510 is a 1-port cable for use with the Professional Plus instrument. The port requires a ISE probe.

YSI Pro Series ISE/ISE Cable
 

6051010 Pro Series ISE/ISE Cable

The 6051010 is a 2-port combo cable for use with the Professional Plus instrument. The 2-ports require ISE probes.

YSI Pro Series ISE/DO Cable
 

6051020 Pro Series ISE/DO Cable

The 6051020 is a 2-port combo cable for use with the Professional Plus instrument. The 2-ports require a ISE and a DO probe.

YSI Pro Series Cable for ISE/Conductivity
 

6051030 Pro Series ISE/Conductivity Cable

The 6051030 is a 1-port combo cable for use with the Professional Plus instrument. The 1-port requires a ISE probe while the conductivity is built right into the cable.

YSI DO Cable for the Pro Plus or Pro20 Handhelds
 

60520 Pro Series DO Cable

The 60520 is a 1-port cable for use with the Professional Plus or Pro20 instrument. The port requires a DO probe.

YSI Pro Series Cable for DO/Conductivity
 

6052030 Pro Series DO/Conductivity Cable

The 6052030 is a 1-port combo cable for use with the Professional Plus instrument. The 1-port requires a DO probe while the conductivity is built right into the cable.

YSI Conductivity Cable for the Pro Plus Handheld
 

60530 Pro Series Conductivity Cable

The 60530 cable allows for the measurement of conductivity, specific conductance, salinity, total dissolved solids and temperature.

YSI 605790 Quatro Cable for True Multiparameter Sampling with One Cable
 

605790 Pro Plus Quatro Cable

The Quatro is a 4-port cable for use with the Professional Plus instrument. Create a powerful multiparameter sampling instrument.

YSI Ultra Clamp Connects to the Back of the Instrument
 

614 Ultra Clamp

This small clamp supports the instrument at a convenient viewing angle. Ideal for attaching the instrument to the gunwale of a boat, table, or and surface with an edge to clamp to.

YSI 6262 Small, Soft-Sided Carrying Case
 

6262 Small, Soft-Sided Carrying Case

A compact, convenient, soft-sided carrying case ideal for all Pro Series products.

YSI Professional Series Instruments Lab Dock
 

626444 Lab Dock

This dock is ideal in the laboratory, when connecting to Data Manager desktop software, or just storing the instrument for the next trip to the field.  Can be used with the instrument or instrument and Pro Comm II communications saddle.

YSI 655563 Exntension Adapter for Amplified Sensors
 

655563 Amplified Sensors Extension Adapter

Extension adapter for the 556 cables and Pro Series dual port cables 1010 and 1020.

YSI 6850 Flow Cell for the Pro Series Quatro Cable
 

6850 Quatro Cable Flow Cell

YSI 6850 flow cell for the Pro Series Quatro cable.

YSI 690 Cable Weight for Pro Series Dual Cables
 

690 Cable Weight

The 690 cable weight attaches to the end of the probe guard. Ideal for longer cables to ensure you reach the depths you need.

YSI 691 Cable Weight for Pro Series Dual Cables
 

691 Cable Weight

The 691 cable weight attaches to the end of the probe guard. Ideal for longer cables to ensure you reach the depths you need.

YSI Ammonium Calibration Solution
 

Ammonium Calibration Solutions

Ammonium solutions to calibrate your field instruments equipped with ammonium ISE sensors.

YSI Conductivity Solitions
 

Conductivity Calibration Solutions

NIST-traceable conductivity solutions to calibrate both field instruments and lab instruments and cells together for maximum
accuracy.

YSI Nitrate Calibration Solution
 

Nitrate Calibration Solutions

Nitrate solutions to calibrate your field instruments equipped with a nitrate sensor.

YSI Pro1001A Amplified pH Sensor for the Pro Series Instruments
 

Pro1001A Amplified pH Sensor

Amplified pH sensor for the YSI Pro Series instruments.

YSI Amplified Pro1001A pH Sensor Kit for the Pro Sereis Instruments
 

Pro1001A Kit Amplified pH Sensor

Amplified pH sensor kit for the YSI Pro Series instruments.

YSI Amplified Pro1003A pH/ORP Combination Sensor for the Pro Series Instruments
 

Pro1003A Amplified pH/ORP Combination Sensor

Amplified pH/ORP combination sensor for the YSI Pro Series instruments.

YSI Pro1003A Amplified pH/ORP Combination Sensor Kit for the YSI Pro Series Instruments
 

Pro1003A Kit Amplified pH/ORP Combination Sensor

Amplified pH/ORP combination sensor kit for the YSI Pro Series instruments.

YSI ProBOD Self-Stirring BOD Probe for the Pro Plus and Pro20 Instruments
 

ProBOD Self-Stirring BOD Probe

The ProBOD self-stirring BOD probes are designed to fit into standard U.S. style 300 mL BOD bottles with various funnels available for use with other tapers.

 

 

 

 

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