Description
Overview
GAOTek Pumping Oxygen Detection Alarm is a high-performance gas detection device designed for real-time measurement and control of oxygen content. It offers several features and capabilities.
Features
- Original imported high-performance electrochemical ozone sensor
- Active pumping type with a short response time
- Embedded 32-bit ultra-low power microprocessor
- Built-in temperature and humidity sensor
- 3-in (58 mm) full-color display with clear background light
- Supports multiple concentration units (PPM, %VOL, mg/m3, mg/L)
- Equipped with a 6000 mAh large capacity
- Comes with a USB high current 5 V 2.1A fast charger with multiple plug options
- Measuring range options from 0 ppm, 1 ppm to 40000 ppm
- Sound alarm, vibration alarm, and LED warning light for effective alerts
- Data storage, transmission, and printing capabilities
- Intrinsically safe and IP 65 rated for protection
Technical Specifications
| Measuring Range | 0 ppm to 1 ppm, 5 ppm, 50 ppm, 100 ppm, 200 ppm, 500 ppm, 1000 ppm, 2000 ppm, 5000 ppm, 10000 ppm, 20000 ppm, 40000 ppm |
| Resolution | 0.01 ppm (0 ppm to 100 ppm); 0.1 ppm (0 ppm to 1000 ppm); 1 ppm (1000 ppm or more) |
| Sampling Method | Active pumping, built-in air pump can be turned on or off independently, air pump flow 500 ml/min |
| Indication Error | ≤±3% FS (more precise requirements depending on sensor performance) |
| Repetitive | ≤±1% |
| Zero Drift | ≤±1% (FS / year) |
| Response Time | ≤ 20 seconds (T 90) (higher requirements depending on sensor performance) |
| Recovery Time | ≤30 seconds (higher requirements depending on sensor performance) |
| Shell Material | High-strength wear-resistant polycarbonate casing + stainless steel |
| Battery | Large-capacity rechargeable lithium battery 6000 mAh, continuous working time is more than 30 hours, charging time is less than 7 hours |
| Charger | USB high current 5 V 2.1 A fast charger |
| Alarm Mode | Sound alarm 95 dB 30 cm, vibration alarm, red LED warning light, personnel fall alarm; short-range wireless and long-distance GPRS |
| Alarm Point Setting | A1 alarm value, A2 alarm value; TWA alarm value, STEL alarm value can be set separately |
| Display | 2.3 in (58 mm) TFT large color screen |
| Button | 7 key navigation buttons |
| Calibration | Level 2 to 4 target point calibration function, can set calibration value, one-key zero adjustment |
| Explosion-Proof Grade | Ex ia IICT4 Ga (intrinsically safe) |
| Protection Level | IP 65 |
| Operating Mode | User mode, administrator mode, two operating modes are available |
| Environmental Pressure | 12.47 PSI to 15.37 PSI (86kPa to 106kPa) |
| Ambient Temperature | -4 °F to 131 °F (-20 °C to +55 °C) (typical) -40 °F to 158 °F (-40°C to +70 °C) (limit value) (Higher temperature and humidity requirements can be selected with high-temperature sampling handle to detect gas up to 1472 °F (800 °C)) |
| Environmental Humidity | 10% RH to 95% RH |
| Weight | 1.146 lb. (520 g) |
| Size | 3.15 in x 7.87 in x 2.28 in (80 mm x 200 mm x 58 mm) |