Overview
Enviro Test Construct high precision gas detector- user-friendly interface rapidly detects diverse gas concentrations, measures environmental temperature and humidity, and triggers alarms for limit exceedances. Utilizing multiple principles (electrochemical, infrared, catalytic combustion, thermal conductivity, PID photoionization), it covers 500 + gas types.
Features
- Simultaneous detection of 1-5 types of gases
- Selectable units: PPM , mg/m3, Vol %, LEL %, PPHM, ppb, mg/l, with free switching
- Built-in pump-suction measurement with water vapor and dust filter integration
- User-friendly interface with a 2.5-inch high-definition color screen
- Large-capacity customizable data storage and multiple storage modes
- Various communication interfaces and printing functions
- Optional high-temperature gas detection
- Three display modes: simultaneous display of five gas concentrations
- large font display of single-channel gas concentrations, and real-time curve display.
Technical Specifications
| Gases to be detected | Arbitrary combination of 1 to 5 types of gases such as toxic gases, oxygen gas, carbon dioxide, inflammable and explosive gases, TVOC, and so on. Optional configuration: temperature and humidity measurements. |
| O2 range | 0 % Vol to 30 % Vol or 0 % Vol to 100 % Vol or 0 ppm to 5000 ppm |
| Application scenarios | All the cases which require the portable rapid detection of gas concentrations such as petroleum, chemical, pharmaceutical, environmental protection, combustion gas distribution, warehousing, smoke gas analysis, air governance, and so on. |
| Detection range | 0 ppm to 1 ppm, 10 ppm, 100 ppm, 1000 ppm, 5000 ppm, 50000 ppm, 100000 ppm, 200 mg/L, 100 % LEL, 20 % Vol, 50 % Vol, 100 % Vol, can be selected; and other ranges can be customized. |
| Resolution | 0.01 ppm or 0.001 ppm (0 ppm to 10 ppm) 0.01 ppm (0 ppm to 100 ppm), 0.1 ppm (0 ppm to 1000 ppm), 1 ppm (0 ppm to 10000 ppm or more), 0.01 mg/l (0 mg/l to 200 mg/l), 0.1 % LEL, 0.01 %, 0.001 % Vol |
| Detection principle | Electrochemical, catalytic combustion, infrared, thermal conductivity, PID photoionization, and so on, depending on the type of gas, range, field environment and user demand. |
| Sensor service life | Electrochemical principle: 2 years to 3 years; Oxygen gas: 2 years or 6 years can be selected; infrared principle: 5 years to 10 years catalytic combustion: 3 years; thermal conductivity: 5 years; PID photoionization: 2 years to 3 years. |
| Allowable error | ≤ ± 2 % F.S (other or higher precision levels can be customized) |
| Linearity | ≤ ± 2 % |
| Response time | T 90 ≤ 20 seconds |
| Explosion-proof type | Intrinsically safe type |
| Power supply | 3.6 V DC, 5500 mA high-capacity rechargeable polymer battery |
| Detection mode | Built-in pump-suction type measurement, and flow rate at 500 ml / min. Calibration flow rate should be greater than 500 ml / min, three-way pipe should be connected, to ensure that the excessive gas will be discharged from the bypass |
| Alarm mode | It is possible to set as sound & light alarm, vibration alarm, sound & light + vibration alarm, Turning off the alarm. |
| Communication interface | USB (charging and communication), optional: RS232, infrared communication, automatic recognition |
| Data storage | Standard configuration is the data storage capacity for 100, 000 entries |
| Protection level | IP 66 |
| Explosion-proof mark | Exia II CT6 |
| Uncertainty | ≤ ± 2 % |
| Repeatability | ≤ ± 2 % |
| Recovery time | ≤ 30 seconds |
| Standard accessories | Manual, qualification certificate, warranty card, USB charger (including the data cable), high-grade aluminum instrument case, belt clip, humidity dust filter |
| Sample gas temperature | – 40 °F to 158 °F (- 40 °C to 70 °C), and the optional configuration of high-temperature sampling and cooling filter handle will be possible to detect the smoke gas at the temperature of 1472 °F (800 ℃) or higher. |
| Working environment | – 40 °F to 158 °F (- 40 °C to 70 °C), humidity: ≤ 10 % RH to 95 % RH, and built-in filters can be used in high humidity or high dust environment. |
| Exterior dimensions | 7.09 in x 3.07 in x 1.30 in (18 cm × 7.8 cm × 3.3 cm) |
| Weight | 12.34 oz (350 g) |
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