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Member Since 13 Years
Nature of Business Retailer Year of Establishment 2004Ask for more detail from the seller
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setpoint and process both are displayed simultaneously. the process display is 12.5mm height.
the setpoint display is 8mm height. the power supply is 90-260 vac.
notes
1. on-off control: relay is on upto the set temperature and cuts off at the set point. system temperature will come down and again relay will go on at temperature 2 °c below the set point. same function is repeated. adjustable dead band is provided for specific application. time-proportionating control : relay will be on and off in 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.
2. 4½ digit temperature indicator/controller nippon 2020a.
3. contact factory for supply volts of 90 - 260 vac & retransmission output
principle : input signal is signal conditioned, linearised and amplified. it is compared with the set point and accordingly relay operates.
| inputs : j,k,r,s,t and other thermocouples, r.t.d's like pt-50, pt-100 (2~3 wire), 0-1vdc, 4-20 ma... etc. |
| range, indicating : refer table - a |
| accuracy, resolution ambient compensation: automatic |
| setting : by push button - coarse/fine pots or by membrane key - trimpot |
| setting accuracy : better than 0.2% |
| output : relay contacts rated at 230v/6a. |
| control : on-off or time-proportional (refer note on back side) |
| sensor open protection: built-in indicates ' 1', relay cuts-off. |
| ambient temperature: 0-55 °c |
| supply : 230 vac ±10%, 50 hz standard, 90-260 vac on request. |
| box size : 96 (h) x 96 (w) x 180 (d) or 72 (h) x 72 (w) x 110 (d) or 48 (h) x 48 (w) x 100 (d) in mm |
| note : 24 vdc for loop power 4-20 ma input on re |
| Model No. | Sensor | Range | Calibration Accuracy | Resolution °C / °F |
| nippon 2020A | Pt-100 (2,3 wire) | -100.0 to 600.0 °C -148.0 to 1112.0 °F | 0.25% | 0.1 |
| nippon 2020 | Pt-100 | -100.0 to 199.9 °C -148.0 to 199.9 °F | 0.25% | 0.1 |
| nippon 2020 | Pt-100 | -100 to 600 °C -148 to 1112 °F | 0.25% | 1 |
| nippon 2020 | Iron/Constantan (J) | -100 to 600 °C -150 to 1112 °F | 0.10% | 1 |
| nippon 2020 | Chromel/Alumel (K) | -80 to 1200 °C -112 to 1999 °F | 0.70% | 1 |
| nippon 2020 | Pt/Rh (R,S) | +900 to 1600 °C +1652 to 1999 °F | 0.50% | 1 |
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