Description
Overview
GAOTek Portable Multi-gas Detector excels in measuring gas concentration, temperature, and humidity in the field. It features a 2.5-inch (63.5 mm) color screen and advanced sensors, including catalytic combustion and thermal conduction. With numerous patents, it detects gas levels in various environments, handling 500+ gas types and assessing purity in high-concentration settings.
Features
- Waterproof, dustproof, explosion-proof, and intrinsically safe
- GB test and CMC certified
- IP67 protection
- Built-in pump, 2.5-inch (63.5 mm) color screen
- Large data storage, optional SD card
- Multiple alarm modes, precise measurement
- Calibration logs, maintenance records
Technical Specifications
| System Components | Compound gases (carbon monoxide CO, hydrogen sulfide H2S, oxygen O2, flammable gas Ex, carbon dioxide CO2, nitrogen oxide NOX). |
| Optional | Detects any 6 types of gas concentration and temperature and humidity, up to 8 types of gas, depending on the sensor and field environment. |
| Detection Range | CO (0 ppm to 1000 ppm), H2S (0 ppm to 100 ppm), O2 (0% vol to 30% vol), ex (0-100% LEL), CO2 (0 ppm to 5000 ppm), NOX (0 ppm to 1000 ppm), Other ranges can be customized |
| Resolution | CO (0.1 ppm), H2S (0.01 ppm), O2 (0.01% vol), ex (0.1% LEL), CO2 (1 ppm), NOX (0.1 ppm), Higher resolution can be customized |
| Detection Principle | Electrochemistry, catalytic combustion, infrared, thermal conductivity, semiconductor, PID photoion, according to the range, site environment and user needs |
| Detection Method | built-in pump suction, flow rate 500 ml/min |
| Display Mode | 2.5-inch (63.5 mm) 320 x 240 high-definition color display, 8-button operation |
| Detection Accuracy | ≤ ±1% (F.S) |
| Linearity | ≤±1% |
| Repeatability | ≤±1% |
| Alarm Mode | sound and light alarm, vibration alarm, visual alarm, sound light + vibration + visual alarm, closing alarm |
| Response Time | T 90 ≤20 seconds |
| Recovery Time | ≤30 seconds |
| Working Power Supply | dc3.6v |
| Application Environment | temperature -40 to 158 (-40 ℃ to +70 ℃); relative humidity ≤0% RH to 99% RH (built-in filter can be used in high humidity or high dust environment) |
| Temperature of Sample Gas | -40 to 158 (-40 ℃ to +70 ℃). The concentration of flue gas at 1472  (800 ℃) can be detected by selecting a high-temperature sampling cooling filter handle or high temperature and high humidity pretreatment system |
| Temperature Measurement | -40 to 248 (-40 ℃ to +120 ℃) (optional) accuracy:32.9 ( 0.5 ℃) |
| Humidity Measurement | 0% RH to 100% RH (optional) accuracy 3% RH |
| Battery Capacity | 3.6 V DC, 6000 mA high-capacity rechargeable polymer battery, with overcharge, over-discharge, overvoltage, overheating, short circuit protection functions |
| Data Storage | standard configuration of 100,000 pieces of data capacity, larger capacity can be customized, support the local view, or data export, free upper computer communication software. The storage function is closed by default and can be set to on state. The storage interval can be set arbitrarily |
| Communication Interface | USB (charging and communication), RS 232, infrared communication, automatic identification |
| Printer | optional, external micro wireless infrared thermal printer |
| Explosion-Proof Type | intrinsically safe |
| Explosion-Proof Sign | Exia II CT6 |
| Protection Grade | IP 67 is resistant to rain and short-term immersion, dust, and dirt |
| External Dimension | 7.68 in x 3.03 in x 1.81 in (195 mm × 77 mm × 46 mm) |
| Weight | 0.77 lb (350 g) |