Reed switch. Measurement of liquid level and temperature, calculation of volume, density and weight.
Specifications
| Guide pipe length, mm: | main variant | from 100 to 6000 | |
|---|---|---|---|
| transport variant | from 100 to 2500 | ||
| inverted variant | from 100 to 2000 | ||
| Acceptable main inaccuracy of level measurement, mm | ±5 | ||
| Limits for accepted absolute accuracy for temperature measurement, ℃ | ±0.5 (in range from -40 to +105) ±1 (in range from -50 to - 40 and from 105 to 125) | ||
| Monitored media features: | temperature, ℃ | from -50 to +100 (up to +125 - as per Customer’s request) | |
| pressure, MPa, not more than | 2.5 (10 – as per Customer's request) | ||
| density, kg/m³ | from 450 to 1500 (gasoline, diesel fuel, LPG, petroleum, kerosene, odorant, etc.) | ||
| Temperature for operation, storage and transportation, ℃ | from -50 to +60 | ||
| Water and dust ingress protection degree (IEC 60529) | IP66 | ||
| Explosion protection marking | Ga/Gb Ex db IIB T3; Ga/Gb Ex d IIB T3 | ||
| Length of power and signal line, m, not more than length of signal line | 1500 (SENS); 1200 (RS-485) | ||
| Power supply voltage (Up), V | DC: from 4 to 15 (SENS); from 6 to 36 (RS-485) | ||
| Power consumption, mW, not more than | 100 (SENS); 400 (RS-485) | ||
| Weight, kg, not more than | 25 | ||
| Service life, years | 15 | ||
| Mean time between failures, hours, not less than | 100 000 | ||