Description
Overview
GAOTek portable pump-suction composite gas detector is an intelligent high-performance detection instrument that can continuously monitor a variety of gases and has the function of personnel fall alarm. It can detect a variety of toxic and harmful gases at the same time to adapt to the analytical testing needs of different industries. Intuitive data display, large 2.3-inch full-color screen, faster response speed, and high-quality shell design raise the safety protection of workers to a whole new level.
Features
- Sampling method
- Support simultaneous detection of 1 to 7 kind of gases
- Data storage, support USB
- Support wireless connection
- Standard configuration of 600 mA
Technical Specifications
| Detection Of Gases | O2 in the air H2S in the air Combustible gas LEL in the air CO in the air CO2 in the air |
| Detection Principle | Electrochemistry Electrochemistry Catalytic combustion Electrochemistry Infrared |
| Measuring Range | 0 % VOL to 30 % VOL 0 PPM to 200 PPM 0 % LEL to 100 % LEL 0 PPM to 500 PPM 0 PPM to 5000 PPM |
| Â Resolution | 0.01 % VOL 0.1 PPM 0.1 % LEL 0.1 PPM 1 PPM |
| Combination Method | Five in one The sensors configured above can be turned on or off independently to avoid gas interference and extend the service life of the sensors |
| Sampling Mode | Active pump suction type, built-in air pump can be opened or closed independently, air pump flow 500 ml/min |
| Indication Error | ≤ ± 3 % FS (electrochemical and catalytic combustion principle, higher accuracy requirements according to sensor performance)
≤ ± 2 % FS (infrared principle, higher accuracy required according to sensor performance); |
|  Reproducibility | ≤ ± 1 % |
| Zero Drift | ≤ ± 1 % (FS/year). |
| Response Time | ≤ 20 seconds (T90), (higher requirements depending on sensor performance). |
| Recovery Time | ≤ 30 seconds (higher requirements depending on sensor performance). |
| Housing Material | High strength wear-resistant polycarbonate housing +Â stainless steel |
| Battery | Large-capacity rechargeable lithium battery 6000 mAh, single gas continuous working time is more than 30 hours, five-in-one gas working time is more than 24 hours, charging time is less than 7 hours, support mobile power supply and charging |
| Charger | USB high current 5 V 2.1 A fast charger; Compatible with universal USB mobile phone chargers |
| Alarm Mode | Sound alarm 95 dB @ 30 cm, vibration alarm, red LED alarm light, personnel fall alarm |
| Alarm Point Settings | A1 alarm value, A2 alarm value; TWA alarm value and STEL alarm value can be set separately |
| Display Screen | 2.3 in TFT large color screen |
| Keystroke | 7 – key navigation keys |
| Direct Reading | Measured values, data logging status, pump operating status, ambient temperature, and humidity |
| Data Logging | Automatic data storage, 1 to 5 sensor storage intervals can be customized, can continuously store 300,000 sets of date and time data, if optional micro-TF memory card is chosen, can store more than 10 million sets of data |
| Data Transmission | Support USBÂ measurement data download and transmission; |
| Data Printing | Support micro portable data printer Bluetooth wireless printing (optional). |
| Calibration | Above level 2 of target point calibration function, can set the calibration value and adjust the zero with one button |
| Explosion-Proof Standard | Ex is II.C T4 Ga (intrinsically safe). |
| Degree Of Protection | IP67 |
| Operating Mode | Two operating modes: user mode and administrator mode are available |
| Environmental Stress | 12.47 psi to 15.37 psi (86 kPa to 106 kPa) |
| Ambient Humidity | 0 % RH to 95 % RHÂ (non-condensing). |
| Size | 3.15 in x 7.87 in x 2.28 in (80 mm × 200 mm × 58 mm) |
| 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 humidity requirements, optional high temperature sampling handle, can detect gas temperature up to about 1472 °F (800 °C)) |
| Weight | 1.15 lb (0.52 kg) |