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世锦赛丁俊晖状态起伏不定 周跃龙表现受肯定
百度 而杨振宁先生在那个特殊的年代，杨振宁先生的努力，感动了很多国家的科学家，他们纷纷站出来帮助中国科学家，为中国打开了学术交流的大门。
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Shenzhen Isweek Technology Co., Ltd.
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Air check O2 Ex -
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Product Description
Explosion Proof Oxygen Monitor with 10+ Year Sensor
Item #: TX-1100-EXR (99020)
Explosion Proof Oxygen Monitor Product Summary
An explosion proof monitor is for use in environments that require Class I, div I, Group B,C,D, and div 2 Group E,F, G Enclosures. This monitor is specifically designed to not be a source of ignition. It is ideal for use in spaces with highly combustible gases. This includes facilities that use blanketing with cryogenic gases, including nitrogen, or facilities using high concentrations of oxygen. We can also adapt this monitor to be safe for use in class II environments upon request. This will be well suited for spaces with highly combustible dust or particles. This uses a 10+ year zirconium oxide sensor.
Also available in Class II dust configurations. Contact PureAire for details.
Explosion Proof Oxygen Monitor Features
? Suitable for Class 1 Div 2 Group B,C,D and Class 2, Div 2 E,F,G
? No maintenance Zirconium cell
? No calibration required
? 3 year warranty
? No drift to environmental or temperature changes
? 10 + year Sensor life
? Local display
? 4-20 mA analog output.
? Built-in flow sample pump
? User adjustable alarm relays
? Suitable for remote sampling to 100 feet
The Air check O2 Deficiency Monitor is a compact sample draw gas monitoring system that's ideal for the continuous monitoring of inert gas storage areas, confined spaces, and other locations where low oxygen levels may pose a hazard to personnel. Unlike electrochemical sensor cells the Air check O2 zirconium cell provides stable oxygen readings even in areas where temperature and humidity levels are changing. The PureAire Air check O2 Deficiency Monitor is suitable for either indoor or outdoor use.
The heart of the monitoring system is a long lasting zirconium sensor, which responds to low oxygen conditions within seconds and provides accurate measurements over a wide temperature and humidity range. The zirconium O2 sensor cell will operate continuously for 10 or more years and requires an absolute minimum of maintenance. There are no zero or span calibration pots to adjust and when compared to disposable type sensors, our long life zirconium O2 sensor can save up to $475 annually and will pay for itself in just over 3 years!
Ideal for continuously monitoring oxygen levels in confined spaces or areas where inert gases are used, the Air check O2 Deficiency Monitor does not drift or loose sensitivity when the weather or temperature changes. The electronics are housed in an Explosion proof weather resistance housing.
Explosion Proof Oxygen Monitor Specifications
Item #: TX-1100-EXR (99020)
Explosion Proof Oxygen Monitor Product Summary
An explosion proof monitor is for use in environments that require Class I, div I, Group B,C,D, and div 2 Group E,F, G Enclosures. This monitor is specifically designed to not be a source of ignition. It is ideal for use in spaces with highly combustible gases. This includes facilities that use blanketing with cryogenic gases, including nitrogen, or facilities using high concentrations of oxygen. We can also adapt this monitor to be safe for use in class II environments upon request. This will be well suited for spaces with highly combustible dust or particles. This uses a 10+ year zirconium oxide sensor.
Also available in Class II dust configurations. Contact PureAire for details.
Explosion Proof Oxygen Monitor Features
? Suitable for Class 1 Div 2 Group B,C,D and Class 2, Div 2 E,F,G
? No maintenance Zirconium cell
? No calibration required
? 3 year warranty
? No drift to environmental or temperature changes
? 10 + year Sensor life
? Local display
? 4-20 mA analog output.
? Built-in flow sample pump
? User adjustable alarm relays
? Suitable for remote sampling to 100 feet
The Air check O2 Deficiency Monitor is a compact sample draw gas monitoring system that's ideal for the continuous monitoring of inert gas storage areas, confined spaces, and other locations where low oxygen levels may pose a hazard to personnel. Unlike electrochemical sensor cells the Air check O2 zirconium cell provides stable oxygen readings even in areas where temperature and humidity levels are changing. The PureAire Air check O2 Deficiency Monitor is suitable for either indoor or outdoor use.
The heart of the monitoring system is a long lasting zirconium sensor, which responds to low oxygen conditions within seconds and provides accurate measurements over a wide temperature and humidity range. The zirconium O2 sensor cell will operate continuously for 10 or more years and requires an absolute minimum of maintenance. There are no zero or span calibration pots to adjust and when compared to disposable type sensors, our long life zirconium O2 sensor can save up to $475 annually and will pay for itself in just over 3 years!
Ideal for continuously monitoring oxygen levels in confined spaces or areas where inert gases are used, the Air check O2 Deficiency Monitor does not drift or loose sensitivity when the weather or temperature changes. The electronics are housed in an Explosion proof weather resistance housing.
Explosion Proof Oxygen Monitor Specifications
|
Sampling Method & Range |
Sample Draw, 0-25% |
|
Accuracy |
±1% of full scale |
|
Operating Temperature |
-40 to +122°F (-40 to +50°C) |
|
Display |
3/4" backlit digital display |
|
Sensor Type |
Long life zirconium oxide sensor |
|
Sensor Life |
10+ years under normal conditions |
|
Signal Outputs |
4-20 mA analog output Dual User Selectable Alarm Relays (2amp 30VDC / 240VAC) Fault relay (2amp 30VDC / 240VAC) |
|
Power Requirements |
24VDC 700mA |
|
Dimensions |
6.625 (W) x 5.50 (H) x 5.25 (D) inches; (168 x 140 x 134 mm) |
|
Weight |
12 lbs. (5.5 kg) |
|
Weight |
Explosion proof Class 1, Div 2, Group B C and D |
|
Required calibration |
None (no zero or span pots supplied) |
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