We pride ourselves on our ability to evolve, innovate, and consistently deliver better value to our customers. Every product is informed by decades of engineering experience and industry know-how and is hand-tested to function flawlessly right out of the box. No matter what your water quality monitoring needs are, we have a solution designed to make your job easier.
FEATURED 
pH610B
Testers pH TEMP
A Bluetooth pH/temperature tester designed with the everyday user in mind. This tester pairs with Jenco’s free pH Bluetooth iOS or Android app to provide the simplest way to accurately measure pH and temperature readings....
FEATURED 
ORP650B
Testers ORP TEMP
A Bluetooth ORP/temperature tester designed with the everyday user in mind. This tester pairs with Jenco’s free ORP Bluetooth iOS or Android app to provide the simplest way to accurately measure ORP and temperature readings....
FEATURED 
TDS110B
Testers TDS TEMP
A Bluetooth TDS/temperature tester designed with the everyday user in mind. This tester pairs with Jenco’s free TDS Bluetooth iOS or Android app to provide the simplest way to accurately measure TDS and temperature readings....
6312DTF/6312DTB
Inlines DO SAL TEMP
Dissolved Oxygen, Temperature In-line Analyzer. 1/4 DIN, IP65, panel mount DO/Temp analyzer with two sets of 2 wire 4 to 20 mA current output, 2 sets of programmable on/off relay, RS-485 output and backlight
6311
Inlines ORP pH TEMP
pH or mV analyzer, controller, 4 ~ 20 mA transmitter, RS-485, 4 on/off relays and 1 wash. relay.
pH3900
Inlines pH
Industrial 2-wire pH transmitter with an isolated 4 ~ 20 mA current output with an LCD display for pH and is designed for pH electrodes with a built in RTD type Pt-100 ATC temperature sensor,...
DO3910
Inlines DO
Industrial 2-wire DO transmitter with an isolated 4 ~ 20 mA current output with an LCD display for DO and temperature designed for use with Hamilton Company Oxysens and Oxyferm DO electrodes meter is DC...
3921
Inlines DO TEMP
DO & temperature controller with 2 sets of On/Off relays, stored calibration data, backlit LCD display for DO and temperature.
3321
Inlines CON RES TEMP
Menu driven, sealed, backlit, conductivity controller with 2 relays and tinned lead connectors.
6312CTB
Inlines CON TDS TEMP
Dual current EC analyzer, isolated reversible transmitters, 2 or 4 wire probes, RS-485 and 2 relays.
6312PTB
Inlines pH TEMP
pH/mV analyzer, dual current isolated reversible transmitters, RS-485, relays 2 high, 1 low and 1 temp.
3621
Inlines ORP pH TEMP
Menu driven, sealed, backlit, pH/mV monitor/controller with 2 relays and tinned lead connectors.