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TWI-PH1 Two-Wire Isolated pH Transmitter

Brand: Pribusin, Inc

The TWI-PH1 is an isolated two wire pH transmitter in a small, easy to install package. It has easily accessible screw terminals and is built in a rugged housing. A standard BNC connector allows direct plug-in of the pH probe.

The TWI-PH1 consists of a pH signal conditioner complete with temperature compensation and an isolator. The temperature compensation is accomplished by means of a 3 KOhm thermistor. The isolated output prevents interaction between output signals if more than one pH transmitter is used in a system.
Features
  • High Input to Output Isolation (800 VAC Test)
  • Small Size - Fits Standard Explosion Proof Housing
  • Industry Standard 4-20 mA Output 
  • Input Impedance > 10^12 Ohms
  • Temperature Compensated by Thermistor
  • Wide Operating Range (12 to 60 VDC)
  • High Noise Rejection
  • CSA and NRTL Approved (LR 51078)

Specifications

Accuracy

  • ± 0.01 pH

Connector

  • BNC (For pH Probe)

Isolation

  • 800 Vac Test

Operating Power

  • 12 to 60 Vdc

Operating Temperature

  • -20° to + 40° C

Output

  • 4-20 mA

Range

  • 0 to 14 pH

Temperature Compensation

  • 3 kOhm Thermistor (In pH Probe)
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