Programmable Ramp / Soak PID Temperature Controllers

Libratherm Instruments Pvt Ltd (Manufacturer)
Programmable Ramp / Soak PID Temperature Controllers

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Product Profile

Libratherm offers Microprocessor based multiple Ramp / Soak programmable PID Temperature Controller Models PRC-300, PRC-309, PRC-309-2 and PRC-310. These are designed to improve reliability, accuracy and control for all processing applications. It features Ramp and Soak functions (the capability to ...

Company Profile

Libratherm is an ISO 9001: 2008 certified Indian Company engaged in the manufacturing activity of Electronic Process Control Instruments since 1991. Product Range includes Digital and Microprocessor based Temperature Indicators / Controllers having different configurations, such as simple ON/OFF, Time Proportional, PID, Programmable Ramp / Soak, Multi-loop PID, Data Loggers with Printer and PC interface, Temperature Scanners, etc...

At Libratherm, the instruments are designed and developed by highly qualified and experienced team of Engineers with in-house Design and Development facilities for both hardware and software. Their products are economically priced, elegant in appearance, reliable and excellent in quality and are conforming to EN61010 international safety standards. Sales and service support is available by dealer's network in the major cities.
Technical Specifications

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  • Design: Microprocessor based with 12 bit ADC and 8 bit DAC
  • Input: Thermocouple type J, K, R, S, B, C, D or RTD (Pt-100)/2 or 3-wire (any one to be specified).
  • Two fixed inputs: Any two fixed inputs of same or two different types – back panel switch selectable. (facility available in PRC-309-2)
  • Range: Subject to the full range of the specified input.
  • Resolution: 0.1 / 1ºC Subject to the specified input and range.
  • Indicating accuracy: Better than ± 0.1% of the range (by software linearisation of curves)
  • Tuning: Auto / Manual tuning of PID values.
  • Supply: 90 to 240 VAC ± 10% (approx. 5VA), 50/60Hz



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