Libratherm Instruments Pvt. Ltd.
Libratherm Instruments Pvt. Ltd.
Dahisar East, Mumbai, Maharashtra

Microprocessor PID Temperature Controller

Leading manufacturer of digital temperature scanners, two wire temperature transmitters, thyristorized DC motor controllers, microprocessor based single loop PID controllers and digital temperature indicator controllers.

Microprocessor PID Temperature Controller

Microprocessor PID Temperature Controller
  • Microprocessor PID Temperature Controller
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Product Details:

Supply230VAC / 110 VAC , 50/60Hz or 24VDC @ 500mA
Size192*96*200 mm
Panel Cutout188 x 92 mm +- 0.5 mm

The product Microprocessor based 8 loop PID Temperature and Process Controller is Auto/Manual tuning of PID values. Its technical specifications are as follows.

Design8-bit microprocessor with 12 bit ADC and 8 bit DAC
No. Of Input Channels2, 4, 6 or 8
InputJ, K, R, S, B, C, D, RTD(PT-100), RTD(PT-1000)/2 or 3 wire, (4-20)mA, (0-5)V etc.
RangeFull range of the specified input. ( 0 to 4000 counts)
AccuracyBetter than ± 0.1% of the specified range.
Resolution0.1/1.0 Subject to the specified range
Display4 digits 0.5” Red 7-segment LED for actual temperature 4 digits 0.5” Red 7-segment LED for set temperature 2 digits 0.5” Red 7-segments LED for channel number.
Open Sensor IndicationDisplay shows Flt-1 or Flt-2 and outputs will be turned OFF
TuningAuto/Manual tuning of PID values
PID and Set ValuesSettable independently for each channel.
SettingsUsing front panel membrane keyboard to set the various values
Sampling Rate125 mS per channel.
Display Scan Rate1 to 99 sec
Skip/HoldAvailable through keyboard in configuration mode
Memory BackupRetention of PID and set values in the non-volatile memory in the event of power failure
Alarm Outputs2 Relay outputs can be used as High/Low Alarms.
Control ActionPID or ON/OFF selectable (for both direct and reverse action)
Control OutputDC Pulse, (4-20)mA, (0-5)VDC output per zone with soft start and power limit facility for analogue output
InterfaceParallel Centronics printer output port for Printer interface and Serial (RS232/RS485) for PC interface with Window based software on Modbus ASCII Protocol
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Kamlesh Panchal (CEO)
No. 401-403, Diamond Industrial Estate, Ketki Pada Road Dahisar East
Mumbai- 400068, Maharashtra, India

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