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Field pH / ORP / Conductivity

The Pro1030 provides everything you need in a handheld meter that measures pH or ORP (redox) along with conductivity. Rugged, simple and reliable.

Measure pH or ORP, salinity, conductivity, specific conductance, TDS, and temperature.

This product is RoHS Compliant
YSI Pro1030 Water Quality Meter
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Find a Distributor

YSI has Authorized Distributors all over the globe. View a map and find your closest contact for YSI Pro1030 products and accessories.

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Get Support

Have a question about your YSI Pro1030? Check out the support page with resources compiled just for you.

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Want to return a product for service? Here you'll find authorized service centers and instructions on how to send in your YSI Pro1030.

Product Service

Rugged and reliable, the YSI Pro1030 provides everything you need in a handheld instrument for the measurement of either pH or ORP along with temperature, conductivity, specific conductance, salinity and total dissolved solids (TDS).

User-replaceable sensors (pH and ORP sensors) and cables and convenient calibration routine feature makes it extremely user friendly. Mil-spec (military spec) connectors, IP67 waterproof and rubber over molded case, and 1-meter drop tests ensure the instrument remains in your hands to provide years of sampling even in the harshest field conditions. The feature set of the Pro1030 results in a low total cost of ownership over the life of the product and proves that it is smarter, tougher, and more versatile.

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

The super-stable 4-electrode conductivity cell is built into the cable and will provide years of accurate data. The cells are designed for rugged field performance and are easily cleaned and require minimal maintenance.

Additional features include:

  • Smart calibration routine allows easy calibrations with the press of a button, remembers previous cal values and simply walks you through the calibration
  • Stores 50 data sets
  • Graphic, backlit display and glow in the dark keypad
  • Available with 1, 4, 10, 20, or 30-meter cables (4-meter and longer cables include cable management kit)
  • View display with polarized sunglasses on
  • Multiple languages include English, Spanish, French and Portuguese
  • User replaceable pH or ORP sensors and cables
  • Conductivity cell built-in
  • 3-year instrument; 2-year cable warranty; 1-year pH and ORP sensor warranty

When ordering the Pro1030 you must order the instrument, cable, and pH or ORP sensor separately, allowing you to choose the system that best fits your application. Conductivity and temperature are part of the cable you order and included in the cable purchase.

Ideal replacement for the YSI Model 63.

Related Products

YSI Pro Series Handheld, Portable Water Quality Meters

Professional Series Product Line
YSI Professional Plus Shown with Single Parameter Cable and Probe Assembly

Professional Plus
YSI ProODO Measuring Dissolved Oxygen in Aquaculture

YSI Pro20 Lab or Field Dissolved Oxygen Meter



YSI Pro30 Handheld Conductivity Meter

YSI Pro1020 Dissolved Oxygen, pH or ORP Meter

YSI Pro2030 Field Dissolved Oxygen/Conductivity Meter





 Pro1030 Instrument General Specifications

Cable Lengths 1- 4- 10- 20- and 30-m lengths (3.28, 13.1, 32.8, 65.6, and 98.4 ft.)
Certifications RoHS, CE, WEEE, IP-67, 1-meter drop test
Connector MS (military spec) waterproof with bayonet lock
Data Memory 50 data sets
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)
Languages English, Spanish, Portuguese, French
Power 2 alkaline C-cells providing approximately 425 hours of battery life depending without backlight usage;
low battery indicator with approximately 1 hour left
Warranty 3-year instrument; 2-year cable; 1-year pH and ORP sensors
Waterproof IP67 (even with the battery cover off)
Weight with Batteries 475 grams (1.05 lbs)
Conductivity Reference Temp Adjustable; range 15°C to 25°C
Specific Conductance Temp Comp 0 to 4%


Pro1030 System Specifications (Instrument with Cable & Probe)

Sensor Type Range Accuracy Resolution
pH Glass Combination Electrode 0 to 14 pH units ±0.2 0.01
ORP Platinum Button -1500 to 1500 mV ±20 mV 1 mV

Conductivity (mS, µS)

Four-electrode cell

0 to 500 µS/cm, 0 to 5 mS/cm, 0 to 50 mS/cm, 0 to 200 mS/cm (auto range)

1- or 4-m cable, ±1.0% of the reading or 1.0 µS/cm, whichever is greater

10- 20- or 30-m cable, ±2.0% of the reading or 1.0 µS/cm, whichever is greater

Instrument only ±0.5%

0.0001 to 0.1 mS/cm, 0.1 to 0 µS/cm (range dependent)
Salinity (ppt) Calculated 0 to 70 ppt ±1.0% of the reading or ±0.1 ppt, whichever is greater 0.1 ppt
Total Dissolved Solids (TDS) (mg/L, g/L) Calculated 0 to 100 g/L TDS constant range 0.30 to 1.00 (0.65 default) Dependent on temp and conductivity and TDS constant; calculated from those parameters 0.0001 to 0.1 g/L (range dependent)
Temperature -5 to 55°C ±0.2°C 0.1°C


Ordering Guide

Item # Description
6051030 Pro1030 Handheld instrument
6051030-1 1-m cable for cond and temp (both built into the cable)/pH or ORP port
6051030-4 4-m cable for cond and temp (both built into the cable)/pH or ORP port; includes cable management kit
6051030-10 10-m cable for cond and temp (both built into the cable)/pH or ORP port; includes cable management kit
6051030-20 20-m cable for cond and temp (both built into the cable)/pH or ORP port; includes cable management kit
6051030-30 30-m cable for cond and temp (both built into the cable)/pH or ORP port; includes cable management kit
605101 pH Sensor for any cable length (not included with cable purchase)
605102 ORP Sensor for any cable length (not included with cable purchase)
603075 Carrying Case, soft-sided (large carrying case)
603074 Carrying Case, hard-sided (large carrying case)
603162 Carrying Case, soft-sided (small carrying case, accommodates up to 4-meter cable)
603070 Shoulder Strap
603824 pH Buffers, assorted case; 2 pints each of 4, 7, and 10 buffer
003821 pH 4 Buffer, case of 6 pints
003822 pH 7 Buffer, case of 6 pints
003823 pH 10 Buffer, case of 6 pints
060907 Conductivity Calibration Solution, 1,000 µS/cm, case of 8 pints
060911 Conductivity Calibration Solution, 10,000 µS/cm, case of 8 pints
060660 Conductivity Calibration Solution, 50,000 µS/cm, case of 8 pints
065274 Conductivity Calibration Solution, 100,000 µS/cm, case of 8 pints


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 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 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 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 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 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 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 Conductivity Solitions

Conductivity Calibration Solutions

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





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