Indicator : SRT-77
Temperature meter with 2 displays, with inputs Pt100, Pt500, Pt1000 or thermocouple, with 1 or 2 relay / OC outputs. The version without relay outputs is also available.
Parameters
| Power supply | 19V ÷ 50V DC; 16V ÷ 35V AC or 85 ÷ 260V AC/DC |
|---|---|
| Input | thermoresistance: Pt100, Pt500, Pt1000; thermocouple: type K, S, J, T, N, R, B, E |
| Display | LED, double 4 x 13 mm (red) and 4 x 10 mm (green) |
| Measurement range | -100°C ÷ 600°C for Pt100, Pt500, Pt1000; thermocouples K: -200°C ÷ +1370°C; S: -50°C ÷ +1768°C; J: -210°C ÷ +1200°C; T: -200°C ÷ +400°C; N: -200°C ÷ +1300°C; R: -50°C ÷ +1768°C; B: +250°C ÷ +1820°C; E: -200°C ÷ +1000°C; additional range -10 ÷ +90 mV |
| Power consumption | for 85 ÷ 260V AC/DC and 16V ÷ 35V AC power supply: max. 4,5 VA; 19V ÷ 50V DC power supply: max. 4,5 W |
| Stability | typ. 50 ppm/°C |
| Resolution | 0,1°C for Pt100, Pt500, Pt1000; 1°C for thermocouples |
| Output | 0, 1 or 2 relays 1A/250V AC (cos fi=1) or the OC 30mA/30VDC/100mW; transducer power supply output: 24V DC +5%, -10% / max. 100 mA, stabilized, not insulated from measuring inputs |
| Communication interface | RS-485, 8N1 and 8N2, 1200 ÷ 115200 bit/s, Modbus RTU |
| Case material | NORYL - GFN2S E1 |
| Protection class | IP 65 (front), available additional frame IP 65 for panel cut-out sealing; IP 20 (case and connection clips) |
| Operating temperature | 0°C ÷ +50°C (standard), -20°C ÷ +50°C (option) |
| Case | panel mounting |
| Accuracy | 0,1% @25°C |
| Storage temperature | -10°C ÷ +70°C or -20°C ÷ +70°C (with option 08) |
| Case dimensions | 72 x 72 x 100 mm |
| Panel cut-out dimensions | 66,5 x 66,5 mm |
| Installation depth | min. 102 mm |