GAOTek Oxygen Gas Alarm Detector
Description
Description
Overview
GAOTek oxygen gas alarm detector with internal pump is developed on the infrared detection principle. This device is endowed with high accuracy and excellent stability for its single light source and double tube air chamber technology. It adopts advanced digital circuit processing technology, colorful touch screen, ultra-large capacity lithium battery for long stand-by time. It is mainly applied in the gas analysis of gas, chemical, cement, metallurgy, electric power, and other fields
Features
- 3.5-inch colorful touch screen display
- Convenient one-key switch function
- High accuracy infrared gas sensor
- 10 years lifetime for sensor
- Internal temperature compensation technology for circuit
- Internal pump for improving detecting accuracy
- Independent double tube air chamber
- 7.4V large capacity chargeable lithium battery
- Inquiry function for alarm record
- Arbitrary setting function for upper and lower limit values
- Convenient calibration function
- Password reset function
- Perfect engineering design for instrument rear bracket
Technical Specification
| Theory | Electrochemistry, infrared radiation; catalyze |
| Application | Combustible gas, CO2, TVOC, hazardous gas |
| Sampling method | Pumping method |
| Detecting range | Varies according to gas type |
| Resolution | 1% LEL, 1 ppm or 0.1 ppm, 0.01 |
| Measuring error | Full range 3% LEL |
| Indicating method | Liquid-crystal |
| Calibrating way | Touch screen operation |
| Responding time | <20 s |
| Recovery time | <20 s |
| Working flow | 500 mL / min |
| IP grade | IP 65 |
| Battery | DC 7.4 V 2800 mA |
| Pressure | 12.47 PSI to 15.37 PSI (0.86 bar to 1.06 bar) |
| Temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| Dimension | 8.22 in x 4.33 in x 1.57 in (209 mm x 110 mm x 40 mm) |
| Weight | ≤2.20 lb (1 kg) |