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Temperature Classification
Hitech Instruments has the experience of 30 years designing and manufacturing gas analysers. Now embedded in the new, state of the art, purpose built factory of parent company.
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| Surface area | T4 Classification |
| < 20mm 2 | Surface temperature ≥ 275 °C |
| ≥ 20mm 2 < 10cm 2 | Surface temperature ≥ 200 °C |
| ≥ 20mm 2 | Power dissipation ≥ 1.3 W * |
* Reduced to 1.2W with 60°C ambient or 1.0W with 80°C ambient

