EN-500Ex Explosion proof oxygen analyzer (trace)Detailed product description：

The design and manufacturing of the EN-500Ex explosion-proof oxygen analyzer (trace) fully comply with the provisions of the national standard GB3836 1-2000 2-2000 3-2000 on "Explosion proof Electrical Equipment for Explosive Environments, Explosion proof Electrical Equipment" d ", and Intrinsic Safety Electrical Equipment" i ", and have been recognized by the national level instrument explosion-proof safety supervision and testing station. The instrument series has a combination structure of "explosion-proof" and "intrinsic safety", with the explosion-proof mark of "Exdib Ⅱ CT6" and the explosion-proof certificate number of "GYB03281".

Main technical performance indicators:
Measurement range: 0~10, 1~100, 0~1000ppmO2
Basic error: ± 3% FS
Zero drift: ≤± 3% FS/7d
Range drift: ≤± 3% FS/7d
Repeatability: ≤ 1.5%
Resolution: 0.01ppm
Response time: T90 ＜ 30 seconds

Rated operating range of influence quantity (instrument usage conditions):
1. Climate conditions:
Environmental temperature: 5~45 ℃
Environmental humidity: ≤ 90% RH
Atmospheric pressure: 70~106Kpa
Air flow velocity: ≤ 0.5m/s
2. Mechanical conditions:
The instrument should be placed horizontally
Mechanical vibration and impact: no strong vibration and impact
3. Power and gas source conditions:
Power supply voltage: 220VAC ± 22VAC
Power frequency: 50Hz ± 0.5Hz
4. Gas sample conditions:
Gas sample temperature: 5~40 ℃ (can be cooled with a sampling tube according to the temperature of the gas sample)
Gas sample pressure: ＜ MPa
Gas sample flow rate: 200~400ml/min
Moisture content: No condensation water
Dust content: No dust or mechanical impurities
Output signal, power, external dimensions, and weight
5. Output signal:
Fully isolated standard current signal output: 0~10mA (allows external load of 1600 Ω) or 4~20mA (allows external load of 800 Ω)
A set of alarm relay contact outputs: contact capacity 220VAC/1A
Power consumption: ≤ 20VA
Dimensions: 550 × 450 × 950mm (length × thickness × height)
Weight: Approximately 35 kilograms
Explosion proof mark and certificate number
Explosion proof mark: Exdib Ⅱ CT6
Explosion proof certificate number: GYB03281