The Edwards APG 200-XLC Active Pirani Vacuum Gauge(Corrosion Resistant Platinum/Iridium Filament) contains a NW25, KF25 vacuum flange, is compact for easy installation, has a linear output, and a user replaceable tube sensor. The Edwards gauges are compatible with all Edwards TIC, ADC, TAG instrument controllers and other active gauge controllers and displays. They are also CSA, C/US approved as well as fully RoHS compliant due to their lead-free construction. They measure from atmosphere down to 7.5×10^-5. The signal cables and TIC vacuum gauge controllers are sold separately. These Edwards APG200-XLC Active Pirani vacuum gauges with corrosive resistance Platinum/Iridium filament and NW25 vacuum flange are new with Edwards part number D1G2021100.

The APG200 is available in three versions: M, LC, and MP series. The M series contains standard Tungsten/Rhenium filaments, it can measure pressure from atmosphere down to 7.5×10^-5 Torr, and is suitable for general applications. The LC version contains corrosive resistance Platinum/Iridium filaments, it can measure pressure from atmosphere down to 7.5×10^-5 Torr, and is also suitable for use in corrosive applications. The MP series contains Platinum/Rhodium filaments, it can measure pressure from atmosphere down to 7.5×10^-5 Torr, and is suitable for general applications. The instruction manual for these Edwards APG200 series gauges is available in PDF format below.

The APG200 can be mounted in any orientation however the gauge tubes are individually factory calibrated in nitrogen while vertical. For correct pressure indication in your chosen gauge orientation, the gauge should be recalibrated at atmospheric pressure. Edwards recommends mounting the gauge tube vertical in order to minimize the build up of process particulates and condensable vapors within the gauge. The APG200 is calibrated for use in nitrogen, and will read correctly with dry air, oxygen and carbon monoxide. For any other gas type a conversion is required in order to obtain the correct pressure reading, common gases: nitrogen, argon, carbon dioxide, helium, krypton and neon.

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