Overview
Enviro Test Construct ammonia gas detector is a zero-point automatic tracking; long-term use will not be affected by the zero drift. Multi-level calibration for target points can ensure the linearity and accuracy of the measurements. Chinese and English interfaces can be selected. Broad operating temperatures: -40 °F to 158 °F (-40 ℃ to 70 ℃), and temperature compensation is supported. Record the calibration logs, repair logs, failure countermeasure solutions, sensor service life due reminder, and function of reminder for the time of next concentration calibration. Meet the requirements on the design of the intrinsically safe circuits, such as anti-static, anti-electromagnetic interference. Protection level is up to IP65, and it is possible to prevent splash water, dust, and shock.
Features
- Portable 4 in 1 Gas Detector
- Clear Screen, USB Charging, Endurance, Durable
- 1 to 4 types of gas: Units can be switched freely
- (PPM, mg or m3, Vol%, LEL%, PPHM, ppb, mg or l)
- USB Interface (Charging + Storage)
- 2100 mA high-capacity lithium battery
- Continuous working > 8 h, Can store 100,000 sets of data
- Multi alarm mode, Concentration Alarm
- Unde-voltage Alarm, Fault Alarm
- Three display interfaces: Multi-channel, Single-channel, Real-time Curve
Technical Specifications
| Gases To Be Detected | Arbitrary combination of 1 to 4 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. |
| 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 to 1, 10, 100, 1000, 5000, 50000, 100000ppm, 200 mg or L, 100% LEL, 20%, 50%, 100% Vol, can be selected; and other ranges can be customized. |
| Resolution | 0.01 ppm or 0.001 ppm (0 to 10 ppm); 0.01 ppm (0 to 100 ppm), 0.1 ppm (0 to 1000 ppm), 1 ppm (0 to 10000 ppm or more), 0.01 mg or l (0 to 200 mg or 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 to 3 years; Oxygen gas: 2 years or 6 years can be selected; infrared principle: 5 to 10 years; catalytic combustion: 3 years; thermal conductivity: 5 years; PID photoionization: 2 to 3 years. |
| Allowable Error | ≤ ± 3% F.S (higher precision levels can be customized) |
| Gases To Be Detected | Arbitrary combination of 1 to 4 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. |
| 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 to 1, 10, 100, 1000, 5000, 50000, 100000 ppm, 200 mg or L, 100% LEL, 20%, 50%, 100% Vol, can be selected; and other ranges can be customized. |
| Resolution | 0.01 ppm or 0.001 ppm (0 to 10 ppm); 0.01 ppm (0 to 100 ppm), 0.1 ppm (0 to 1000 ppm), 1 ppm (0 to 10000 ppm or more), 0.01 mg or l (0 to 200 mg or 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 to 3 years; Oxygen gas: 2 years or 6 years can be selected; infrared principle: 5 to 10 years; catalytic combustion: 3 years; thermal conductivity: 5 years; PID photoionization: 2 to 3 years. |
| Allowable Error | ≤ ± 3% F.S (higher precision levels can be customized) |
| Linearity | ≤ ± 2% |
| Repeatability | ≤ ± 2% |
| Uncertainty | ≤ ± 2% |
| Response Time | T90 ≤ 30 seconds |
| Recovery Time | ≤ 30 seconds |
| Power Supply | 3.7 VDC, 3000 mA high-capacity rechargeable polymer battery |
| Display Mode | 2.31-inch high-definition color screen |
| Detection Mode | Diffusion type measurement. The calibrated flow rate is 500 ml or minute. |
| Alarm Mode | It is possible to set as sound and light alarm, vibration alarm, sound and light + vibration alarm, turning off the alarm. |
| Communication Interface | USB (charging and communication), optional: RS485 communication interface |
| Data Storage | Standard configuration is the data storage capacity for 100.000 entries |
| Protection Level | IP65 |
| Explosion-Proof Type | Intrinsically safe type |
| Explosion-Proof Mark | Exia II CT4 Ga |
| Standard Accessories | Manual, qualification certificate, warranty card, USB charger (including the data cable), belt clip, colorful packaging box (optional high-grade aluminum instrument case) |
| Optional Items | Temperature and humidity measurement function, external gas sampling pump, 3.9 ft (1.2 m) retractable sampling handle (3.28 ft (1 m) to 32.80 ft (10 m) hose, and the standard length is 3.28 ft (1 m)), 15.7 in (0.4 m) stainless steel sampling handle (with dust filter, not retractable) |
| Working Environment | Temperature: -40 °F to 158 °F (-40 ℃ to 70 ℃), humidity: ≤10 to 95% RH |
| Sample Gas Temperature | -40 °F to 158 °F (-40 ℃ to 70 ℃), and the optional configuration of high-temperature sampling and cooling filter handle will be possible to detect the smoke gas at the temperature of 752 °F (400 °C) or higher. |
| Temperature And Humidity Measurement | Optional configuration: temperature at -40 °F to 158 °F (-40 ℃ to 70 ℃), accuracy level at 0.5 ℃; humidity at 0 to 100% RH, precision level at 3 % RH |
| Exterior Dimensions | 5.11 in x 2.67 in x 1.33 in (130 mm x 68 mm x 34 mm) (L × W × H) |
| Weight | 0.44 lb. (200 g) |
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