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

Digital Temperature Controller

Our range of Digital and Microcontroller based Temperature / Process Indicator and Controller are used in different industries. Some of these products includes -

Digital Temperature Controllers

Digital Temperature Controllers
  • Digital Temperature Controllers
  • Digital Temperature Controllers
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Product Details:

Temperature Range0 to 400 oC, 0 to 1000 oC, 100.0 to 199.9 oC
Voltage90 to 250VAC, 110VAC / 230VAC, +/- 10% 50/60 Hz.
Display Size3 and1/2 digit, 4 digit, 4 and 1/2 digit, 0.3, 0.5, 1.0, 2.0 and 4.0 red/green seven segment LE
Input SensorThermocouple
TypePt-100, K type
EnclosureABS Plastic for 1/8 din,1/4 din and Metal for others
Front FasciaABS plastic with polycarbonate graphics
Sizes 96 x 48, 48 x 96, 72 x 72, 96 x 96, 192 x 96 mm
ApplicationsFurnace / Oven control, Constant temp, Baths, Plastic / Packaging / Pharma industry, Cold Storage
DesignDigital and Analog circuit based
Temperature Sensor InputThermocouple type J, K, or RTD (Pt-100)/2 or 3 wire (any one to be specified)
Process Input(4-20)mA, (0-1)V, (0-5)V, (0-10)V
Process Range0 to 1999 or -1999 to +1999 or 0 to 19999 or -19999 to +199999 with choice of Decimal point
Indicating Accuracy+/-0.5% of specified range
Control Set PointsOne or Two settable using potentiometer or thumb wheel switches.
Control ActionOn/Off, Time Proportional or Analogue Proportional
Hysterisis, Band and Reset ControlAdjustable using front panel potentiometer

Simple Digital Temperature Controllers and process indicator comes with ABS plastic with polycarbonate graphics are used.
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Digital Linearized Temperature Indicator Controller

Digital Linearized Temperature Indicator Controller
  • Digital Linearized Temperature Indicator Controller
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Product Details:

Accuracy+ 1 C or .1 C
Display4 digit Red 7-segment LED display
Control ActionON / OFF control.
Supply Voltage230VAC / 110 VAC
Size96 x 96 x 160 mm, 192 x 96 x 160 mm

Thermocouple sensors generating emf/mV and RTD sensors generating the change in resistance value with respect to the change in temperature does not have a linear characteristic, hence to indicate the temperature within the accuracy of 0.1 C or 1 C throughout the measurable range, the need arises to linearized these non-linear curves.

The Linearized indication is achieved by software linearization technique. Along with the Digital Linearized indications, single or dual setpoint control is also available. The Control action is ON/OFF type (using Relay/SSR/Triac). One of the application areas of this controller is to use it as the safety controller (or police protection or redundant control) along with the microprocessor based PID or RAMP/SOAK program controller, where the indicating accuracies of both are matched without any ambiguity.

Additional Information:

  • Item Code: DL301
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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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