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nippon 2222

nippon 2222 designed in 72H X 72W DIN size plastic moulded case. The cost and space saving is enormous.

Temperature required is to be set on high resolution attractive dial. Instrumentation amplifiers linearises external variable (t/c or Pt-100) & set point temperature. Error amplifiers compare set and actual temperature and gives command to relay driving circuit. Control action of relay can be On-Off or Time proportionating depending on heat inertia of the system.

On-Off Control : In this type relay is on upto the set temperature & cuts of at the set Point. System temperature will come down & again relay will go on at temperature 2°C below the set point. Same function is repeated.

Time Proportionating Control : In this type relay will be On & Off is band of ±2°C of set point. On & Off time will adjust as per the heat requirement of the system. Of course total time cycle will be of 15 seconds. We also offer band & cycle time as per the application.
Inputs Fe/K,Cr/Al, Pt-Pt Rh & other thermocouples, Pt-100, Pt-50 RTD's....etc....
Range 0-100,0-400,0-600, 0-1200, 900-1600°C.... etc....
Setting With knob and attractive calibrated dial.
Set Point Accuracy ±0.8% of Span
Output Relay rated 230V/10A
Control On-Off or Time Proportional. On-Off control with 2°C dead band.
Time Proportional control with ±2°C hysteresis & 15 second time cycle.
Time Proportional Control as per the application.
Deviation Meter Nippon 2000D is with -20°C to +20°C deviation indicator showing deviation between set and process temperature.
L.E.D. Indicators Green L.E.D. indicaters relay on.
Red L.E.D. indicaters relay off.
Box Size Modular design in
96H x 96W x 100D DIN size box
72H x 72W x 100D DIN size box
48H x 48W x 100D DIN size box
DIN Rail Box
Supply : 230 VAC ± 10% 50HZ
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