Description
Overview
GAOTek Gas Detector with Alarm effectively detects concentration of oxygen and toxic, harmful or flammable gas with wide measuring range and high accuracy.
Key Features
- Single gas detection, sound/light/vibration alarms
- Segment encoding LCD display
- Backlight setting is available
- Self-test during starting up
- Setting upper/lower alarm points, STEL and TWA is also inclusive for toxic gases
- Adjustable calibration concentration, facilitating users for calibration
- Modifiable user passwords, providing users with operation protection
- Large-capacity lithium battery with very long standby time
- Real-time clock setting function
- Setting of the silencer
- Alarm sounds at different frequencies under different alarm conditions
- Manual cancellation of vibration alarms
- Automatic battery detection and undervoltage indication
Technical Specifications
| Parameters | Characteristics |
| Detected Gas | flammable gases,
oxygen gas and many kinds of toxic & harmful gases.(Please refer to the Lectotype table) |
| Sampling Method | Diffusion |
| Measurement Principle | Electrochemical（oxygen and toxic gases）
Catalytic combustion（flammable gases） Infrared principle（carbon dioxide gas） |
| Response Time | （CO2<10s）、（O2、flammable gases<20s）、（CO 、H2S 、SO2、CL2、NO、CLO2、NO2、H2<30s）、（HCN、NH3、PH3<100s） |
| Detection Error | ±5%F.S |
| Operation Mode | Touch push-keys |
| Display Mode | LCD display |
| Working Temperature | -4F – 131F (-20℃~55℃) |
| Environment Humidity | 0~95%RH(non condensation) |
| Storage Temperature | 32F-104F (0℃~40℃) |
| Power Supply | Rechargeable lithium battery, continuously work for over 24 hours. |
| Battery | 4.2V lithium battery ,1700mA/h |
| Dimension | 4.92in x 2.60in x 1.65in
(125×66×42 mm) |
| Weight | 0.23lbs (105g) |
| Certification of Explosion Protection | ExiaII CT3 |
| Calibration Mode | Optional calibrating cap to facilitate calibration by users. |