TCD Filament (includes seal)
Made of gold-sheathed tungsten, tungsten, rhenium-tungsten, nickel and nickel alloy. Each provides specific performance characteristics such as corrosion resistance, oxidation resistance, catalytic reactions and sensitivity for use under different application conditions.
- GOW-MAC thermistor detector elements utilize the same mounts as hotwires.
- A thermistor is a thermally sensitive resistor having a high negative co-efficient of resistance.
- Thermistors have relatively low operating temperatures, and should not be used in hydrogen atmospheres.
- They have high sensitivity at low temperatures and can be used at sub-ambient temperatures.
filaments are tested before shipment. Most filaments are tested and matched in helium but can be matched in other gases on special request.
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