Key Features:
- Detects 0–100% H₂ in Air, 0–100% H₂ in CO₂, and 0–100% Air in CO₂
- Rugged thermal conductivity cell with long service life (>10 years under normal use)
- Fast response (T90 ≈ 10-15 seconds) for rapid gas change detection
- Digital readout with range-switching capability
- Onboard pump, flow-control valve, flow indicator, and pressure regulator for stable sampling
- Rechargeable battery provides ~8 hours operation; usable during recharging
- Portable “suitcase (K)” style enclosure, rugged and weather-protected when closed
- 4-20 mA output for recorder/data-logging integration
| Parameter |
Detail |
| Detection Principle |
Temperature compensated thermal conductivity (T/C) cell |
| Measurement Ranges |
0-100% H₂ in Air
0-100% H₂ in CO₂
0-100% Air in CO₂ |
| Resolution |
0.1% of measured gas |
| Accuracy & Repeatability |
H₂ in Air: ±1% F.S.
H₂ in CO₂ & Air in CO₂: ±2% F.S. |
| Drift |
H₂ in Air: ≤ ±0.4% per week
Other ranges: ≤ 2% F.S. per week |
| Response Time (T90) |
10-15 seconds (excluding sample transport time) |
| Ambient Temperature Range |
0-50 °C (32-120 °F) |
| Linearity |
±1.0% F.S. on H₂ in Air; ±2.0% for other ranges |
| Dimensions & Weight |
9 ½" L × 7" W × 6 ½" H; ~12 lbs (24 × 17 × 18 cm; ~3.6 kg) |
| Power Supply |
Battery operation + mains recharging (115 VAC / 60 Hz standard; 220 VAC / 50 Hz optional) |
| Output |
4-20 mA analog output following active reading |
| Enclosure |
Suitcase (K) style; weather-protected when closed |
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