Granville Phillips 275 Convectron Gauge, Part Number 275316 for NW40KF Model: 275316
- Sensor material - Gold plated tungsten
- Other materials exposed to gas - 304 stainless steel, borosilicate glass, kovar, alumina, NiFe alloy, polyimide
- Internal volume - 40cm3
- Operating temperature - 0°C to 50°C ambient , non-condensing
- Bakeout temperature - 150°C Maximum, non-operating, cable disconnected
- Connection - NW40KF
- Range - From atmosphere to 10-4Torr (10-2Pascal)
The 275 Granville Phillips convectron pressure measurement gauge tube sensor is the industry standard convection-enhanced Pirani gauge. The Granville Phillips 275 measures vacuum pressure from
atmosphere to 1x10-4 Torr and are ideal for roughing and foreline pressure measurement. It provides reliable fast response measurement, in milliseconds rather than seconds as in the case with
thermocouple-type gauges. The high accuracy of the Granville Phillips 275 Convectron vacuum gauge sensor and repeatablilty help insure that processes start at the desired pressure time-after-time.
However, they are sensitive to the chemical composition of the gases being measured and are termed a relative pressure measurement method, that is, they determine the pressure indirectly from the
thermal conductivity property of the gas medium.
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