Overview
Enviro Test Construct portable multi gas detector adopts imported high performance sensor, is an intelligent high-performance detection alarm that can continuously detect and monitor volatile organic compounds VOC, TVOC, combustible gases, toxic and harmful gases and with function of people falling alarm. The detector adopts more than 30 kinds of smart sensors, including imported PID optical sensor, electrochemical sensor, oxygen, catalytic combustion sensor and infrared flammable sensor, CO2 sensor, CH4 sensor, which can detect 4 kinds of toxic at the same time. Harmful gases can be flexibly configured in any combination to meet the analytical testing needs of different industries. It has built-in temperature and humidity sensors, display temperature and humidity in real-time. The wireless function allows the security personnel to get real-time equipment data and alarm status in any place. Visual data displays, a large 2.3 inch full-color screen and quicker response time help improve personnel safety and protection to a whole new level.
Features
- Imported high-performance sensor with 2 to 3 years’ service life
- Active pump suction for quick response time
- Embedded 32-bit ultra-low power microprocessor for high resolution and minimal error
- Built-in temperature and humidity sensors for real-time monitoring
- Intelligent compensation algorithms for temperature, humidity, and zero-point
- Automatic calibration with 3 to 8 levels of target-point calibration
- 3-inch full-color screen with clear backlight for visibility in any lighting
- User-friendly interface with color icon menu and 7-button navigation
- Switchable between concentration units (PPM, %VOL, mg/m3, mg/L) and languages (Chinese, English)
- Standard 11000 mAh lithium battery for over 32 hours of continuous operation
- Rugged mechanical design with high-strength, waterproof, and anti-corrosion enclosure (IP66)
- Customizable storage intervals for up to 300,000 data groups, expandable with micro-SD card
- RTU short distance and GPRS unlimited distance wireless transmission modes
- Real-time transmission of results and alarms to a security center
- Support for USB data download, micro-portable printing, and Bluetooth wireless printing
Technical Specification
| Detection gas | Carbon monoxide (CO), oxygen (O2), ammonia (NH3), sulfur dioxide (SO2), hydrogen sulfide (H2S), carbon dioxide (CO2), methane (CH4), ethane (C2H6), nitrogen oxides, stupid, nitrogen, VOC, TVOC, hydrogen fluoride, hydrogen chloride, chlorine, nitrogen monoxide, nitrogen dioxide, toxic and flammable gases in air. |
| Working principle | Electrochemical, infrared, PID, catalytic combustion (Depending on detected gas) |
| Detection range | 0 ppm to 1 ppm, 0 ppm to 10 ppm, 0 ppm to 50ppm, 0 ppm to 100 ppm, 200 ppm, 500 ppm, 1000 ppm, 2000 ppm, 5000 ppm, 10000 ppm, 50000 ppm, 0% to 100% LEL, 0% to 5% VOL, 10% VOL, 30% VOL, 100% VOL (optional) |
| Resolution | 0.01 ppm (0 ppm to 100 ppm); 0.1 ppm (0 ppm to 1000 ppm); 1 ppm (> 1000 ppm); 0.1% LEL; 0.01% VOL |
| Sampling method | Active pump suction, built in air pump can open or close independently Flow speed: 500 mL /min |
| Accuracy | ≤ ±3% F.S. |
| Repeatability | ≤ ±1% |
| Zero drift | ≤ ±1% (F.S./year) |
| Response time | ≤ 20s (T90) |
| Recovery time | ≤ 30s |
| Shell material | Engineering plastics + 304 stainless steels + high-strength wear-resistant and corrosion-resistant aluminum alloy |
| 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, 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 in 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 transmission | Support USB and RS 232 serial port measurement data download and transmission, support GPRS wireless transmission or short-distance RTU 433 wireless transmissions (optional) |
| Data print | Support micro-portable printer, Bluetooth wireless printing. (optional) |
| Calibration | 2 to 4 levels of the target-point automatic calibration can set the calibration certified value, zero setting. |
| Explosion proof | ExdⅡCT4 Ga (Intrinsically Safe) |
| Protection class | IP66 (water and dust proof) |
| Operation mode | User mode, administrator mode |
| Working humidity | 0% RH to 95% RH (Non-condensing) |
| Working temperature | -40 °F to 158 °F (-40 ℃ to 70 ℃) |
| Dimensions | 10.62 in × 7.59 in × 4.17 in (270 mm × 193 mm × 106 mm) |
| Weight | 5.51 lb (2500 g) |
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