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Home > Process Instrumentation > pH/ORP/EC Transmitters

HI 98143-22

pH and EC Transmitter with Galvanic Isolated Output
designed to be used with the HI 8000 series


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  • Accepts pH electrode and EC probe signals simultaneously
  • Direct probe connection; Assures a positive electrical connection eliminating signal loss
  • Automatic Temperature Compensation (EC only)

 

The HI 98143 series is designed to accept signals directly from a pH electrode and a conductivity probe at the same time.

Direct connection of the probes to the transmitter assure a positive electrical connection with no signal loss. This transmitter is ideal for remote process control applications.

Four models are available, transmitting a 0-1 V, 0-4 V or 4-20 mA signal. The output signals are proportional to the input signals but independent of changes in load or cable capacitance. Compensation for the effects of temperature for EC measurements are performed by the transmitters’ Automatic Temperature Compenstion circuitry.

The transmitter can be connected to any pH or conductivity controller, recorder, PC or any data monitoring device that accepts 0 to 1 V, 0 to 4 V or 4 to 20 mA input. HI?98143 is an ideal tool for applications that require the monitoring of both pH and conductivity at the same time.

 

Order Information:
HI 98143-22 with 4-20 mA isolated output (specific for the HI 8000 controllers), is supplied with instructions.

  • Specifications
  • Accessories
  • Downloads
Range pH 0 to 14 pH
EC 0 to 10 mS/cm
Accuracy @ 20°C pH ±0.5% f.s.
EC ±2% f.s.
Calibration pH manual, 2 point, through offset and slope trimmers
EC manual, 2 point, through 0 and 5 mS/cm trimmers
Temperature
Compensation (EC)
  automatic, 0 to 60°C (32 to 132°F) with ß=2%/°C
Output (isolated)   4-20 mA
pH Electrode   HI 1001 pH electrode (suggested, not included), HI 1283 matching pin (not included)
EC Probe   HI 3001 (not included) with cell constant 2.1
Casing   IP 54
Environment   0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions   160 x 105 x 31 mm (6.3 x 4.1 x 1.2’’)
Weight   280 g (9.9 oz.)
Solutions
HI 7004/1L 4.01 pH Buffer Solution
1 x 1 L bottle
HI 7007/1L 7.01 pH Buffer Solution
1 x 1 L bottle
HI 7010/1L 10.01 pH Buffer Solution
1 x 1 L bottle
HI 7039L 5000 µS/cm EC Solution, 500 mL Bottle
Accessories
HI 7855/1 Connection Cable with Screw and BNC Connectors, 1 m
Probes
HI 3001 Flow-thru Conductivity Probe with 3 m cable

Manual: (Download)

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Product Accessories

Solutions
HI 7004/1L
4.01 pH Buffer Solution
1 x 1 L bottle
HI 7007/1L
7.01 pH Buffer Solution
1 x 1 L bottle
HI 7010/1L
10.01 pH Buffer Solution
1 x 1 L bottle
HI 7039L
5000 µS/cm EC Solution, 500 mL Bottle
Accessories
HI 7855/1
Connection Cable with Screw and BNC Connectors, 1 m

Product Manuals
  Manual: Download





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