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About us   Products   News center   Support & serivces   Solution & Application   Service Network   Contact us   link Specifications Method of Detection Temperature compensated thermal conductivity (T/C) cell cannot be burned out due to loss of flow or changing gases Ranges Available 0-100% He in air or in N2 Resolution 0.1% of He Accuracy & Repeatability ±2% of full scale Drift ±1% of full scale per week Response Time (T-90) 90% of final reading in 10 seconds Ambient Temperature Range 12 to 50 ºC 55 to 120 ºF Linearity ±2% of F.S. on He in Air or Nitrogen Size & Weight 10" L x 7 1/2" H x 6 1/2" D @ 8 lbs (25.5 x 19 x 16.5 cm @ 3.6 kg) Power AC/DC Operation. 115 VAC 60 Hz for recharging (220 VAC 50 Hz available) Output Options 4-20 mA or 0-1 VDC Alarms Helium alarm with LED (optional) Hazardous Area Rating Options General Purpose, Non-Hazardous Applications For checking helium (He) concentrations in a single, other background gas, such as nitrogen. Features Rugged design that is easy to operate Fast warm up and response Long life thermal conductivity cell that provides accurate and stable readings Digital meter readout with backlight Modular layout that is easy to maintain Rechargeable 'gel cell' battery operated Built in sample pump Lightweight, compact and easy to use Weatherproof (WP) cabinet with clear lexan cover Options Recorder outputs of 0-1 V or 4-20 mA Sample pre-cooler for hot samples Suitcase (K) style cabinet available AC power only operation Helium alarm with LED Detachable/portable Datalogger Calibration Ambient air for zero 100% He calibration gas for span. Download

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