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Libratherm offers microprocessor based Eight Zone PID Temperature Indicator / Controller (Model PRC-8000) which is designed for accurate temperature control of multiple zone gradual heating and cooling application. It eliminates the need for a number of individual PID or On/Off temperature controllers. PRC 8000 can accept 8 Thermocouples or RTD (Pt-100) 3 wire inputs and can provide switching PID or On/Off control output in the form of DC Pulses or SSR or relay to drive external load contractor drivers for heating and cooling. It can simultaneously provide 8 analogue PID control outputs in the form of (4-20) mA or (0-5) volt, which can be used to control heater power through Thyristor power pack (for electrical heating system) or to control the position of a modulating motor valve (for oil or gas fired heating systems). Open or faulty sensor indications for each zone is also displayed with the respective Zone No. The display scan rate is programmable from 1 to 99 seconds, whereas the internal control scanning is at the rate of 100ms. PRC-8000 is available in standard 1/2 DIN 192 x 96 x 200 mm for 8 zones, 6 zones or 4 zones. It operates on 230 VAC with built in high and low supply voltage trip circuits. It is also protected against industrial RFI/EMI interference. Libratherm also offers modified version of this controller for average control applications and special purpose heating applications requiring multi input.
INDUSTRIAL PRODUCTS FINDER (IPF) is India’s only industrial product portal. Referred to as the ‘Bible’ of the manufacturing sector in India,
INDUSTRIAL PRODUCTS FINDER (IPF) is India’s only industrial product portal. Referred to as the ‘Bible’ of the manufacturing sector in India,
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