HI 8614LN pH - Transmitter with LCD, 4 to 20 mA Ouput

Manufacturer: HANNA Instruments Inc.

Order number: HI8614LN

Availability:         1 pcs. in stock

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Product information "HI 8614LN pH - Transmitter with LCD, 4 to 20 mA Ouput"


  • Water resistant
  • Loop powered
  • Automatic Temperature Compensation
  • LCD Screen


The HI 8614LN is a water-resistant pH transmitter is designed to be used with a standard high impedance pH probe with BNC connector. The signal is then processed by a special high-impedance amplifier, which transmits an output current directly proportional to the input signal but independent of changes in load or cable capacitance.

Calibration is performed by the adjustment of two independent trimmers — slope and offset.

Temperature compensation is performed by the transmitter's ATC (Automatic Temperature Compensation) circuitry when measurements are taken with a temperature probe attached; if ATC is not required, it is also possible to substitute a fixed resistor for the temperature probe. The transmitter can be connected to HANNA controller HI 8510, HI 8710 or HI 8711, recorders, computers or any data monitoring device that accepts 4 to 20 mA input.


Order Information:
HI 8614LN (with display) is supplied with instructions.

Product Manual:

HI 8614 (Process Instrumentation)

Specification :

Range   0.00 to 14.00 pH; 4–20 mA
Resolution   0.01 pH; 0.01 mA
Accuracy @ 20°C   ±0.02 pH; ±0.02 mA
Calibration   offset: ±2 pH; ±2.2 mA; slope: 86 to 116%; ±0.5 mA
  fixed or automatic from 0 to 100°C (32 to 212°F) with HI 76608 probe
Input Impedance   1012 Ohm
Recorder Output   4-20 mA (isolated)
Protection   IP65
Power Supply   20-36 VDC
Load   max 500 Ohm
Environment   0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions   165 x 110 x 71 mm (6.5 x 4.3 x 2.8’’)
Weight   1 kg (2.2 lb.)



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