The Expert 1100 combines a slim, rugged design with dependable performance for water-level monitoring. With 2-wire 4–20 mA loop power, it integrates easily into common control and monitoring systems.
Key Benefits:
- Accurate, stable measurement year after year - High accuracy (±0.25% FS) and very low drift (<0.5%).
- Compensated for real-world conditions - Piezoresistive relative pressure measurement with direct air pressure and temperature compensation.
- Simple integration - 2-wire 4–20 mA loop powered (10–30 VDC).
- Built for water environments - Stainless steel (AISI 316L) housing and diaphragm; designed for wells and tanks.
Applications
Drinking water (including tanks)
Helps maintain storage and distribution performance by providing reliable tank level measurement for alarms, pump control, and trending.
Groundwater boreholes/wells
Designed for submersible installation to track groundwater levels over time, including seasonal variation and drawdown behavior.
Reservoirs
Supports long-term level monitoring in open or covered reservoirs to help manage storage volume and operational planning.
Process water
Delivers dependable level data for industrial and municipal process systems where a stable 4–20 mA output supports routine control and reporting.
Available Configuration:
MJK209950– 0-10ft range, with 39ft cable
MJK209955– 0-30ft range, with 39ft cable
MJK209960-115– 0-100 ft range, with 115 ft cable
MJK Expert Selection Guide
Choose Expert 700 when…
- You’re installing in a tight well or narrow borehole, and physical size is your top constraint.
- You still want dependable level readings in a compact package.
Choose Expert 1100 when…
- You need reliable level monitoring for wells or drinking water tanks.
- You want a proven solution for storage, alarms, pump control, and trending in water applications.
- You need higher accuracy than the Expert 700 series
Choose Expert 1400 when…
- You need higher accuracy than the Expert 1100 and better long-term measurement performance.
- Your site has more demanding requirements.
Choose Expert 2100 when…
- You want the best “default” option for municipal pump stations, wet wells, and storage tanks.
- You’re looking for a rugged, low-fuss transmitter designed for real wastewater conditions.
Choose Expert 3400 (or 3400 ATEX) when…
- You need higher accuracy than the Expert 2100
- You’re in the harshest wastewater environments: ragging-prone wet wells, industrial sumps, or applications involving aggressive fluids.
- You need a model family with hazardous-area / ATEX versions available.