In-line pH Meters

Jenco in-line pH controllers, pH transmitters and pH analyzers are workhorse pH meters used to control processes and transmit data from remote locations for processing.

Featured in-line pH meter:

Jenco pH6311 in-line pH meter for process control

Jenco model 6311 is a heavy-duty panel mount pH and ORP analyzer that features 4 programmable relays, 4-20 mA current output. A great value for its reliability and useful features.


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  1. Jenco 3671N: digital pH / ORP controller, LED display, 1/8-DIN panel mount
    Jenco 3671N: digital pH / ORP controller, LED display, 1/8-DIN panel mount

    Regular Price: $225.00

    Special Price: $202.50

    1/8 DIN panel mount pH/ORP controller with dual SPDT Hi/Lo relays, manual set points and calibration are via potentiometers. Learn More
  2. Jenco 3675: digital pH/ORP controller, 1/4 DIN panel mount, LCD display
    Jenco 3675: digital pH/ORP controller, 1/4 DIN panel mount, LCD display

    Regular Price: $305.00

    Special Price: $274.50

    1/4 DIN panel mount pH/ORP controller/transmitter with pH range of 0 to 14, ORP (mV) range of -1999 to 1999mV. Standard with dual SPDT Hi/Lo relays, manual set points and calibration are via potentiometers. Features a 4-20 mA current output and has an external pH/ORP select switch. Display is a large LCD. Connectors are a BNC and spade lug screw type connector blocks. Learn More
  3. Jenco 3676: digital 1/4 DIN panel mount pH / ORP controller, 4-20 mA transmitter, LED display.
    Jenco 3676: digital 1/4 DIN panel mount pH / ORP controller, 4-20 mA transmitter, LED display.

    Regular Price: $305.00

    Special Price: $274.50

    1/4 DIN panel mount pH/ORP controller/transmitter with dual SPDT Hi/Lo relays, manual set points and calibration are via potentiometers. Features a 4-20 mA current output and has an external pH/ORP select switch. Display is a large bright red LED display. Connectors are a BNC input and spade lug screw type connector blocks. Learn More
  4. Jenco 3679N 1/4 DIN panel mount pH / ORP controller / transmitter, ip-65
    Jenco 3679N 1/4 DIN panel mount pH / ORP controller / transmitter, ip-65

    Regular Price: $315.00

    Special Price: $283.50

    1/4 DIN panel mount pH/ORP controller/transmitter in a waterproof IP-65 enclosure. Features, LCD display, dual SPDT Hi/Lo relays, manual set point adjust and pH calibration via potentiometers. Learn More
  5. Jenco 6311:  1/4 DIN  panel mount pH or ORP analyzer
    Jenco 6311: 1/4 DIN panel mount pH or ORP analyzer

    Regular Price: $389.00

    Special Price: $350.10

    pH & ORP analyzer,1/4 DIN panel mount IP-65 case. Features 4 fully programmable relays for pH or ORP and one for wash. RS-485 interface, password protected with individual ID's. 4-20 mA analog output is fully programmable, assignable & reversible. Tinned lead connectors. CE Approved. This product includes the meter only and accessories such as electrodes and calibration buffers and solutions are sold separately. Learn More
  6. Jenco 6308PT 1/4 DIN panel mount pH single parameter analyzer
    Jenco 6308PT 1/4 DIN panel mount pH single parameter analyzer

    Regular Price: $499.00

    Special Price: $449.10

    1/4 DIN panel mount pH single parameter analyzer with electrode efficiency display function. Features pH linear or antilog transmitter output, hysteresis control and uninterrupted operation during pH calibration. Has one 4-20mA output, 5 relays and a RS-485 communications interface. Graphical display. Learn More
  7. Jenco 6309PDT 1/4 DIN pH & d.o. analyzer
    Jenco 6309PDT 1/4 DIN pH & d.o. analyzer

    Regular Price: $649.00

    Special Price: $584.10

    pH & D.O. analyzer, 1/4 DIN panel mount IP-65 case, polarographic sensor with replaceable membranes and programmable pressure and salinity compensation. Features 2 pH and 2 D.O. fully programmable relays and one for temp.. RS-485 interface, password protected with individual ID's. 4-20 mA analog output is fully programmable, assignable & reversible. Graphical display. Tinned lead connectors. Learn More
  8. Jenco 6309POT 1/4 DIN  pH / ORP / temp. multi-parameter analyzer
    Jenco 6309POT 1/4 DIN pH / ORP / temp. multi-parameter analyzer

    Regular Price: $719.00

    Special Price: $647.10

    pH & ORP analyzer,1/4 DIN panel mount IP-65 case. Features 2 pH and 2 ORP fully programmable relays and one for temp.. RS-485 interface, password protected with individual ID's. 4-20 mA analog output is fully programmable, assignable & reversible. Graphical display. Tinned lead connectors. CE Approved. Accessories such as electrodes and calibration buffers and solutions are sold separately. Learn More

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