Remote measurement of under-explosive concentrations of combustible gases and vapors of petroleum products.
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Specifications
| Model | SENS SG-A3-C3H8 | SENS SG-A3-CH4 | ||
|---|---|---|---|---|
| Detectable components | propane, butane, hexane | methane | ||
| Measurement range, % of LEL | from 0 to 100 | |||
| Sampling method | diffusion | |||
| Principle of measurement | infrared absorption | |||
| Interval between verifications, months | 12 | |||
| Indications setting time (T90), s, not more than | 60 | |||
| from 8 to 50 (DC) | ||||
| Power consumption, W, not more than | 7.5 | |||
| Interfaces (protocols) | SENS (SENS), RS-485 (Modbus RTU), 4-20 mA (HART) | |||
| Signal relay features | maximal switchable DC/AC voltage, V | 250 / 50 | ||
| maximal switchable current, A | 3 (AC) / 1 (DC) | |||
| ±3 | ||||
| ±5 | ||||
| Ambient temperature range, ℃ | from -60 to +80 | |||
| 9 | ||||
| Water and dust ingress protection degree as per GOST 14254 (IEC 60529) | IP66 | |||
| Explosion protection marking | 1 Ex d IIB T6…T5 Gb Х | |||
| Designated service life period, years | 15 | |||
| Weight, kg, not more than | 4 | |||