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| Product Name | Bosean GQ-DX101-O3 (with display + alarm) Gas Detector | GaoPin NGP40-NH3 Ammonia gas Detector |
| Product Price | $267.00 | In coming |
| Details | Details | |
| Model comparison | ||
| Usage Type | Fixed Online | Portable |
| Gas Quantity | Single gas | Single gas |
| Sensor Principle | Electrochemical | Electrochemical |
| Sampling Method | Diffusion | Pumped |
| Detection gas | O₃ | O₃ |
| T90 Response Time | ≤30s | ≤20s |
| Explosion-proof | Ex d (Flameproof) | Ex ia (IS) |
| IP Rating | IP65 | |
| Data Output | 4-20mA RS485 | RS485 |
| Parameter comparison | ||
| Type | fixed | |
| Detect the amount of gas | single gas | |
| Sensor principle | electrochemistry | |
| Detect gas | ozone | ozone gas |
| Measurement Range | 0~20 ppm | |
| resolution | 0.1 ppm | 0.01 ppm |
| Alarm point | 5 ppm | |
| Operating Voltage | DC24V±10% | |
| Indication Error | ±3%FS | |
| System Power | Maximum power consumption 3 W | |
| Operating Environment | Temperature: -20℃~ 50℃, Humidity: 0-95% RH (non-condensing) | |
| Relay control port | Passive Relay Output, Full Load Power 1 kW | |
| Dimension | 190X150x95mm (length x width x thickness) | 160*70*28mm (L*W*H) |
| Explosion-proof certificate number | CNEx16.0449 | |
| Explosion-proof sign | Exd ⅡC T6 Gb | Exia II CT6 |
| Response Time | <30 S | T90≤20s |
| signal output | 3-Wire 4~ 20mA or 4-wire RS485 | |
| Installation method | Wall-Mounted installation | |
| shell material | die casting aluminum | |
| Output current | 4-20 mA | |
| function | Display, alarm light | |
