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Method of Detection |
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Temperature compensated thermal conductivity (T/C) cell
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Ranges Available |
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Range 1 : 0-100% H2 in Air
Range 2 : 0-100% H2 in CO2
Range 3 : 0-100% Air in CO2
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Resolution |
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0.1% of gas measured
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Accuracy & Repeatability |
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±1% F.S except in 85-100% H2 in Air range, which is within 0.5% absolute H2
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Drift |
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0-100% H2 in Air range is ± 0.4% per week
H2 in CO2 or Air in CO2 2% F.S. per week maximum drift
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Response Time (T-90) |
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10-15 seconds to 90% step change - not including sample transport time
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Ambient Temperature Range |
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0 to 50 ºC
32 to 120 ºF
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Linearity |
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±1.0% of F.S. on H2 in Air range. ±2% of F.S. in H2 or Air in CO2 ranges
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Size & Weight |
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9 1/2" L x 7" W x 6 1/2" H @ 12 lbs (24 x 17 x 18 cm @ 3.6 kg)
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Power |
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AC/DC Operation. 115 VAC, 60 Hz for recharging (220 VAC, 50 Hz available)
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Output Options |
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4-20 mA or 0-1 VDC
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Hazardous Area Rating Options |
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General Purpose, Non-Hazardous
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For checking purity of hydrogen (H2) in H2-cooled generators and synchronous converters. The Model 380 Series will also monitor the safe purging of H2 during shut down.
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- Rugged design that is easy to operate
- Fast warm up and response
- Monitors 0-100% H2 in air, 0-100% H2 in CO2, 0-100% Air in CO2
- Rugged long life thermal conductivity cell
- Digital readout meter with backlight
- Rechargeable battery operation
- Modular layout that is easy to maintain
- Built in flow meter, flow control valve and pump
- Built in pressure regulator prevents over pressuring of pump and sensor
- Weatherproof (WP) cabinet with clear lexan cover
- Sample pressure ranges 0.5 PSI to 125 PSI
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- Recorder outputs of 0-1 V or 4-20 mA
- Suitcase (K) style cabinet available
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- Range 1 : Air for Zero, 100% H2 for Span
- Range 2 : 100% CO2 for Zero, 100% H2 for Span
- Range 3 : 100% CO2 for Zero, Air for Span.
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