Shanghai ChangAi Electronic Science & Technology Co., Ltd.

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GNL-9100 process Oxygen monitor

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Shanghai China (Mainland)
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Shanghai ChangAi Electronic Science & Technology Co., Ltd.
China China
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Computer Products, Electrical & Electronics

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Item specifics

  • Place of Origin: Shanghai China (Mainland)
  • Port: Shanghai
  • Brand Name: Chang-Ai
  • Model Number: GNL-9100
  • Minimum Order Quantity: 1 Set/Sets
  • Supply Ability: 200 Set/Sets per Month
  • Payment Terms: T/T,Western Union,MoneyGram


* Fule cell sensor
* Inner special gas-route
*Automatic temperature compensation
*Setting upper and lower alarm value

GNL-9100 oxygen analyzer is the online intelligent measurement instrument, which adopting advanced fuel cell oxygen sensor with single chip technology.

* Imported fuel cell type oxygen sensor, long life, high precision and fast response
* Measuring oxygen concentration in H2 or deoxidize gas
* Inner special gas-route protects the sensor when it exposures in the air for a long time by out of power or cutting off the gas-route automatically.
* Concise menu, simple operation
* Automatic temperature compensation, eliminating the impact of environmental temperature
* Automatic data storage in a certain interval time, and browsing data at any time
* Big screen DOT-matrix LCD, showing oxygen concentration, date and time synchronously
* Setting upper and lower alarm values freely during the measure ranges
* It can achieve two-way communication by connected to a computer via the standard RS232 or RS485 interface.
Technical Specifications
Measure Range: 0-10ppm, 0-100ppm, 0-1000ppm, 0-1% O2 
Accuracy: ≤±4% in the range of 0-10ppm
               ≤±2% in the range of 0-100ppm 
               ≤±2% in the range of 0-1000ppm
Display Resolution: 0.01ppm
Stability: Zero drift ≤±2% of FS/7d 
             Span drift ≤±2% of FS/7d
Response Time: 90% of final FS reading ≤10 seconds
Repeatability: ≤±1%
Sampling Gas Pressure: 0.05MPa≤Inlet pressure≤0.5Mpa 
Measure Medium: H2, N2, Ar, inert gas, hydrocarbons & mixed gases
Signal Output: 4-20mA
Contact Capacity: 125VAC 0.3A, 110VDC 0.3A, 30VDC 1A
Power Supply: 220±10% VAC, 50/60Hz, power loss≤10VA
Sensor Life: 24 months at 25ºC and 1 ATM
Warranty: 12 months analyzer; 12 months sensor
Weight: 3kg
Installation Dimension: 133mmx133mmx250mm (WxHxD)

It can be used to measure the trace oxygen concentration in nitrogen separation from air, chemical process, magnetic materials such as high temperature sintering furnace gas protection, the electronics industry protective gas, glass, building materials industries, various mixed gases, and so on.

Order knowledge
Measure range
Tested gas pressure
Gas composition and impurity

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