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pH Controller

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pH Controller With Control Output And Window Alarm Output And Iso. Tx
Model 150pH

  • Model 150 pH controller is panel mounted DIN size instrument with 3½ Digit LCD.
  • Indicates pH when attached to a pH electrode. The membrane key pad MODE SWITCH in front allows indication of normal pH.
  • Limits for acid/base together with additional band alarm limits for acid/base.(acid/base logic internally selectable).
  • In addition a Consent contact output is provided to be used in conjunction with an ORP Controller for ORP dosage.
  • The equipment also provides an Isolated 4-20mA output for recorder purpose.

Display : 3½ Digit LCD 12.5 mm
Range : 0.00 - 14.00 pH
Auto Temp Compensation : 0-100°C with PT 100 Sensor
Set Limits : 0 - 14.00 pH
Alarm Limts : Band type Alarm equally above/below set limit.
Accuracy : 0.5% ±1 Digit.
Input Impedence : > 10¹² Ohms.
Relay Outputs : 110V/220V AC @ 5 Amp. (Except Consent contact)
Transmitter Output : 4-20mA Isolated
Consent Contact : ON when pH within the Alarm Band.
Calibration : Standard pH 7.00
Slope pH 4.00
Supply : 110/220V AC ± 10%
Control Logic :Control Relay ON :pH>Set limit, if Acid logic selected internally pH < Set limit, if Base logic selected internally.
:Alarm Relay ON: : pH > Set limit + Alarm Band or pH < Set limit - Alarm Band
Front Panel Controls : 1)One Single touch switch to select the LCD Display indication.
a) pH. (NORMAL) b) pH Set limit (Limit setting by 10-turn Trimpots) C) Band Alarm limit ( Limit setting by 10-turn Trimpots) In case the equipment is left unattended on any position other than normal, it will revert automatically to normal after 30 secs.
: 2) Calibration.
2 Nos. 10-Turn Trimpots provided to adjust pH 4 & pH 7.
Size : Frontfacia : 96mm x 96mm
Panel Cutout : 92mm x 92mm
: Depth : 141mm + 5mm
Shipping Weight :1000 grams.


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