The SPR-703 is a portable, pump-type multi-gas detector designed to continuously monitor combustible gases, oxygen, carbon monoxide, hydrogen sulfide, and other toxic gases in ambient air. It can detect up to five gases simultaneously, making it ideal for use in harsh environments due to its waterproof design and rubberized housing. The device utilizes high-quality sensors and an embedded microcomputer for reliable, accurate readings and offers intuitive operation through a graphic and text LCD display.
| Specification | Details |
|---|---|
| Detected Gases | Combustible gases (LEL), Oxygen (O₂), Carbon Monoxide (CO), Hydrogen Sulfide (H₂S), and others |
| Measuring Range | O₂: 0–30% vol CO: 0–1000 ppm H₂S: 0–100 ppm LEL: 0–100% LEL |
| Low Alarm Threshold | CO: 50 ppm; H₂S: 10 ppm; LEL: 20% LEL; O₂: 19.5% vol |
| High Alarm Threshold | CO: 150 ppm; H₂S: 20 ppm; LEL: 50% LEL; O₂: 23.5% vol |
| Resolution | O₂: 0.1% vol; CO: 1 ppm; H₂S: 0.1 ppm; LEL: 1% LEL |
| Accuracy | ±3% F.S. |
| Response Time | T90 < 60 seconds |
| Sampling Method | Internal pump type (500 mL/min) |
| Working Environment | Temperature: -25°C to 55°C; Humidity: <93% RH |
| Sensor Life | Approx. 2 years |
| Battery Life | ≥10 hours continuous operation |
| Protection Grade | IP66 (dustproof and splashproof) |
| Explosion-Proof Rating | Ex ia IIC T4 Ga |
| Power Source | DC 3.7V Li-ion battery, 3800 mAh |
| Charging Time | <7 hours |
| Dimensions | 180 mm × 80 mm × 48 mm |
| Weight | 420 g |
| Data Storage | Alarm-triggered & timed storage; single channel stores up to 20,000 records |
| Additional Features | Pump fault alarm, unit switching, multi-point calibration, LCD display with backlight |
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The SPR-703 is a portable, pump-type multi-gas detector designed to continuously monitor combustible gases, oxygen, carbon monoxide, hydrogen sulfide, and other toxic gases in ambient air. It can detect up to five gases simultaneously, making it ideal for use in harsh environments due to its waterproof design and rubberized housing. The device utilizes high-quality sensors and an embedded microcomputer for reliable, accurate readings and offers intuitive operation through a graphic and text LCD display.
| Specification | Details |
|---|---|
| Detected Gases | Combustible gases (LEL), Oxygen (O₂), Carbon Monoxide (CO), Hydrogen Sulfide (H₂S), and others |
| Measuring Range | O₂: 0–30% vol CO: 0–1000 ppm H₂S: 0–100 ppm LEL: 0–100% LEL |
| Low Alarm Threshold | CO: 50 ppm; H₂S: 10 ppm; LEL: 20% LEL; O₂: 19.5% vol |
| High Alarm Threshold | CO: 150 ppm; H₂S: 20 ppm; LEL: 50% LEL; O₂: 23.5% vol |
| Resolution | O₂: 0.1% vol; CO: 1 ppm; H₂S: 0.1 ppm; LEL: 1% LEL |
| Accuracy | ±3% F.S. |
| Response Time | T90 < 60 seconds |
| Sampling Method | Internal pump type (500 mL/min) |
| Working Environment | Temperature: -25°C to 55°C; Humidity: <93% RH |
| Sensor Life | Approx. 2 years |
| Battery Life | ≥10 hours continuous operation |
| Protection Grade | IP66 (dustproof and splashproof) |
| Explosion-Proof Rating | Ex ia IIC T4 Ga |
| Power Source | DC 3.7V Li-ion battery, 3800 mAh |
| Charging Time | <7 hours |
| Dimensions | 180 mm × 80 mm × 48 mm |
| Weight | 420 g |
| Data Storage | Alarm-triggered & timed storage; single channel stores up to 20,000 records |
| Additional Features | Pump fault alarm, unit switching, multi-point calibration, LCD display with backlight |