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No. 401-403, Diamond Industrial Estate, Ketki Pada Road, Dahisar East
Mumbai, Maharashtra-400068, India+(91)-22-42555353
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Micro Temperature Controller

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Our range of Micro Temperature Controller is based on 2 to 4 set points temperature and process controller.


DesignHigh-speed 8-bit microcontroller based with 12bit ADC/DAC
Temperature Sensor Input / Process InputThermocouple type J, K, R, S, B, C, D or RTD(Pt-100) 2 or 3-wire input. DC voltage, (4 – 20)mA (Fixed / Universal in nature and it is user selectable using the keyboard in combination with the DIP switch.
Temperature Range / Process RangeFull range of the specified input type. For process input the range is programmable from 0 to 3500 count or -2000 to +2000 counts with the facility to select the decimal point at 0.000, 00.00, 000.0 locations.
Resolution0.1/1°C/unit for Temperature Subject to the specified input and range
AccuracyBetter than ± 0.1% of the specified range
Display4 digit 0.5”/0.3” Red 7-segment LED display for process value 4 digit 0.5”/0.3” Red /Green 7-segment LED display for set value
Control ActionON / OFF with Programmable Hysteresis.
No. Of Set points1 to 4 (HTC-723, HTC-948, HTC-489) 1 to 6 set points (HTC-966)
Control outputsBuilt in 2 relays for 2 set point control, otherwise for 3 to 6 outputs DC pulses to drive external SSR or external relay card.
Output ConfigurationEach output is configurable through the keyboard for High Alarm, Low Alarm, Deviation Alarm or for OFF state – with programmable hysteresis.
Output indicationFront panel LED indication (OUT1 to OUT 8 – Model dependent)
Retransmission Signal (Optional facility)2 independent 4-20mA signal proportional and linearized to input – 12-bit resolution (HTC-723 and HTC-966). One for PV and Other for SV.
Loop Supply (internal)18 - 24VDC for external Two / Three Wire Transmitter (optional)
Supply90 to 250 VAC ± 10% (5VA), 50/60Hz.
EnclosureABS Plastic
Front FasciaABS plastic with polycarbonate graphics
Sizes in mm.96 x 48, 48 x 96, 72 x 72, 96 x 96.


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