Description
Overview
GAOTek handheld professional oxygen gas detector ensures measurement linearity and accuracy. Wide operating temperatures with temperature compensation. Records calibration/repair logs, failure solutions, and sensor life reminders. Intrinsically safe circuit design (anti-static, anti-electromagnetic interference). IP65 protection against splash water, dust, and shock.
Technical Specifications
| Gases To Be Detected | Arbitrary combination of 1 to 6 types of gases such as toxic gases, oxygen gas, carbon dioxide, inflammable and explosive gases, TVOC, and so Optional configuration: temperature and humidity measurements. |
| Application Scenarios | All the cases which require the portable rapid detection of gas concentrations such as petroleum, chemical, pharmaceutical, environmental protection, combustion gas distribution, warehousing, smoke gas analysis, air governance, and so on. |
| Detection Range | 0 ppm to 1 ppm, 0 ppm to 10 ppm, 0 ppm to 100 ppm, 0 ppm to 1000 ppm,
0 ppm to 5000 ppm, 0 ppm to 50000 ppm, 0 ppm to 100000 ppm, 0 mg/L to 200 mg/L, 100 % LEL, 20 % Vol, 50 % Vol, 100 %Vol, can be selected; and other ranges can be customized. |
| Resolution | 0.01 ppm or 0.001 ppm (0 ppm to 10 ppm); 0.01Â ppm (0 ppm to 100 ppm), 0.1Â ppm (0 ppm to 1000 ppm), 1Â ppm (0 ppm to 10000 ppm or more), 0.01 mg/L (0 mg/L to 200 mg/l), 0.1Â % LEL, 0.01Â % LEL 0.001Â % Vol |
| O2 Range | 0 % Vol to 30 % Vol |
| O2 Accuracy | < ± 3 % F.S |
| Detection Principle | Electrochemical, catalytic combustion, infrared, thermal conductivity,
PIDÂ pHotoionization, and so on. Depending on the type of gas, range, field environment and user demand. |
| Sensor Service Life | Electrochemical principle: 2 years to 3 years
Oxygen gas: 2 years or 6 years can be selected Infrared principle: 5 years to 10 years Thermal conductivity: 5 years PIDÂ pHotoionization: 2 years to 3 years |
| Allowable Error |  ≤ ± 1 % F.S (other precision levels can be customized) |
| Working Environment |  humidity: ≤ 10 % RH to 95 % RH, and built-in filters can be used in high humidity or high dust environment. |
| Sample Gas Temperature | – 4 °F to 185 °F (- 40 ºC to + 70 ºC), and the optional configuration of high-temperature sampling and cooling filter handle will be possible to detect the smoke gas at the temperature of 2372 °F (1300 ºC). |
| Response Time | T 90 ≤ 20 seconds |
| Uncertainty |  ≤ ± 1 % |
| Recovery Time |  ≤ 30 seconds |
| Repeatability |  ≤ ± 1 % |
| Temperature and Humidity Measurement | Optional configuration: temperature at – 40  °F to 185  °F ( – 40 ºC to + 70 ºC ), accuracy level at 32.9 °F (0.5 ºC); humidity at 0 % RH to 100 % RH, precision level at 3 % RH |
| Power Supply | 3.6 V DC, 6000 mA high capacity rechargeable polymer battery |
| Display Mode | 2.5 in (6.35 cm) high-definition color screen |
| Detection Mode | Built-in pump-suction type measurement, and flow rate at 500 ml / min. Calibration flow rate should be greater than 500 ml / min, three-way pipe should be connected, so as to ensure that the excessive gas will be discharged from the bypass |
| Alarm Mode | It is possible to set as sound & light alarm, vibration alarm, sound & light + vibration alarm, turning off the alarm. |
| Communication Interface | USB (charging and communication), optional: RS 232, infrared communication, automatic recognition |
| Data Storage | Standard configuration is the data storage capacity for 100, 000 entries; SD card storage function is optional configuration |
| Protection Level | IP 67 |
| Explosion-Proof Type | Intrinsically safe type |
| Explosion-Proof Mark | Exia II CT6 |
| Standard Accessories | Manual, qualification certificate, warranty card, USB charger (including the data cable), high-grade aluminum instrument case, belt clip, humidity dust filter |
| Temperature | – 40 °F to 185 °F ( – 40 ºC to + 70 ºC ) |
| Exterior Dimensions | 7.08 in x 3.07 in x 1.29 in (18 cm × 7.8 cm × 3.3 cm) (L×W×H) |
| Weight | 12.34 oz (350 g) |