Description
Overview
GAOTek laser methane gas analyzer pump suction portable methane gas detector adopts imported high performance sensor, is intelligent. High-performance detection alarm that can continuously detect and monitor methane gas concentration and with function of people falling alarm. It is built-in temperature and humidity sensors, display temperature and humidity real-time. The device’s wireless function allows the security personnel can get a real-time equipment data and alarm status in any place. Visual data displays, large 2.3 inch full-color screen and quicker response time help improve personnel safety and protection to a whole new level.
Features
- Active pump suction, short response time, 32-bit ultra-low power microprocessor, high resolution
- Built-in temperature and humidity sensors for real-time display
- Customizable storage interval, data recovery, micro-SD card support for extensive data storage
- Wireless transmission options (RTU, GPRS), real-time results and alarm status sent to security centre
- Supports USB data download, micro-portable printer, and Bluetooth wireless printing
Technical Specification
| Sampling method | Active pump suction, built in air pump can open or close independently Flow speed: 500mL/min |
| Accuracy | ≤ ±3% F.S. |
| Repeatability | ≤ ±1% |
| Zero drift | ≤ ±1% (F.S./year) |
| Response time | ≤ 20 s (T90) |
| Recovery time | ≤ 30 s |
| Dimensions | 0.63 in x 7.6 in x 4.17 in (270 mm x 193 mm x 106 mm) |
| Shell material | Engineering plastics + 304 stainless steels + high-strength wear-resistant and corrosion-resistant aluminium alloy |
| Weight | 5.51 lb (2.5 kg) |
| Battery | Standard 11000 mAh capacity lithium battery, more than 24 hours continuous working time, charging time less than 9 hours, support mobile power supply and charging, USB port mobile phone charger compatible. |
| Charger | USB quick charger |
| Alarm method | Sound alarm 95 dB@30cm, red LED alarm light, personnel falling alarm, short distance wireless and long distance GPRS alarm. |
| Alarm value setting | A1 alarm value, A2 alarm value TWA, STEL and low concentration alarm value can be set individually. |
| Screen | 2.3-inch TFT |
| Backlight | Manual, automatic when alarming |
| Button | 7 buttons navigation |
| Direct reading | Measured value, data logging status, pump working status, environment temperature and humidity, maximum value, minimum value, average value |
| Data storage | Auto storage, manual storage and single point storage. Storage interval can be customized and 300,000 groups data that can be stored with date/time data, if matching micro-SD memory card, then can store 10 million or more; with data recovery function can choose part or all of data recovery. |
| Data print | Support micro-portable printer, Bluetooth wireless printing. (optional) |
| Calibration | 2 to 4 level of the target-point automatic calibration can set the calibration certified value, zero setting. |
| Explosion proof | Exdâ…¡CT4 Ga (Intrinsically Safe) |
| Protection class | IP 66 (water and dust proof) |
| Operation mode | User mode, administrator mode |
| Working temperature | -40 °F to 158 °F (-40 ℃ To 70 ℃ ) (If match with high temperature sample handles, can measure up to 800℃) |
| Working humidity | 0 Rh to 95% Rh (Non-condensing) |
| Standards | GB 12358-2006, GB 3836.1-2010, GB 3836.4-2010 |