The sheathed element contacts the measured medium directly. An integral connecting tube has threads at both ends and joins the polished stainless steel connection head to the probe. The listed marking for the flameproof head configuration is ExdIICT1-T6.
| Sensor type | Element | Sheath material | Operating range | Element diameter | Junction and accuracy |
|---|---|---|---|---|---|
| Flameproof thermocouple | K | 304SS or 316SS | 0-800°C | 3.2mm, 4.8mm or 6.4mm | Insulated or grounded; ±0.4%t |
| Inconel600 | 0-1100°C | ||||
| E | 304SS or 316SS | 0-600°C | |||
| Inconel600 | 0-800°C | ||||
| J | 304SS or 316SS | 0-500°C | |||
| Inconel600 | 0-700°C | ||||
| T | 304SS or 316SS | 0-350°C | |||
| Flameproof RTD | Pt100 or Pt1000 | -40-420°C | Insulated; A or B |
| Family | Insertion | Process thread | Optional flange systems | Insert-to-thread joint | Head and electrical entry |
|---|---|---|---|---|---|
| 700 | 101.6mm or user-specified | NPT1/2, NPT1/4 or NPT3/8 | GB, HB, JB, HGJ, SH, ASME, ANSI or JIS | Laser welding or argon-arc welding | Small polished stainless steel head; NPT3/4 |
Other probe dimensions can be supplied to the installation requirements.
