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| Brand | PERIC |
|---|---|
| Model | DQF |
| Measurement Principle | Thermal Conductivity |
| Range | 0–1% H₂ (v/v) |
| Response Time | ≤2.5 min |
| Accuracy | ±5% FS |
| Alarm Threshold | >0.75% H₂ |
| Power Supply | AC 220 V |
| Power Consumption | ≤10 W |
| Enclosure Rating | Ex d II CT6 |
| Output Signals | 1–5 V DC & 4–20 mA |
| Display | Digital Panel Meter (H₂ %) |
| Alarm Output | Audible/Visual + Relay Contacts |
| Compliance | GB/T 3836.1–2021 (Explosion-Proof), JJG 915–2008 (Calibration Standard for Thermal Conductivity Gas Analyzers) |
| Brand | PERIC |
|---|---|
| Model | GNF-TR-H2 |
| Detection Principle | Thermal Conductivity (TCD) |
| Measurement Range | 0–5.00% H₂ (customizable) |
| Resolution | 0.01% H₂ |
| Accuracy | ≤±2% FS |
| Repeatability | ≤±1% FS |
| Zero Drift | ≤±2% FS/24h |
| Span Drift | ≤±2% FS/24h |
| Response Time (T90) | ≤30 s |
| Sample Pressure | ≤0.2 MPa |
| Sample Flow Rate | 500 ±10 mL/min |
| Sample Temperature | 0–50 °C |
| Ambient Operating Temperature | 0–50 °C |
| Storage Temperature | 0–50 °C |
| Relative Humidity | 20–80% RH (non-condensing) |
| Power Supply | DC 24 V |
| Power Consumption | <5 W |
| Output Signals | 4–20 mA DC (load ≤250 Ω) & RS485 Modbus RTU |
| Explosion Protection | Ex db IIC T6 Gb |
| Enclosure Rating | IP65 |
| Compensation | Integrated temperature & humidity compensation |
| Compliance | ATEX, IECEx, GB 3836.1/3836.4 compliant |
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