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Dual Alarm Ph Controller

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ph Controller With Dual Control Limits And Dual Alarms & Isolated Transmitter
Model 100-pH

  • Model 100 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 alarm limits for acid/base.
  • 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.

Specification
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 for ACID & BASE
Alarm Limits : 0 - 14.00 pH for ACID & BASE
Accuracy : 0.5% ±1 Digit.
Input Impedance : > 10¹² Ohms.
Relay Outputs : 110V/220V AC @ 5 Amp. (Except Consent Contact).
Transmitter Output : 4-20mA Isolated.
Consent Contact : ON when pH within ACID & BASE Limits.
Calibration : Standard pH 7 : 7 ± 1
Slope pH 4: 4 ± 1
Supply : 110/220V AC ± 10%
Control Logic :acid : Ph > Set Limit. Acid Relay On
:base : Ph < Set Limit, Base Relay
Alarm : Ph > Acid Alarm Or < Base Alarm, Then Alarm Relay On
Front Panel Controls : One single touch switch to select sequentially the LCD Display indication
a) pH. (NORMAL) b) ACID SET LIMIT c) ACID ALARM LIMIT d) BASE SET LIMIT e) BASE ALARM LIMIT In case the equipment is left unattended on any position other than normal, it will revert automatically to normal after 30 secs.
Size :Front FACIA: 96mm x 96mm
:Panel Cutout: 92mm x 92mm :DEPTH: 141mm + 5mm
Shipping Weight :1000 grms.

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