Shanghai ChangAi Electronic Science & Technology Co., Ltd.

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GNL-2100L portable high purity Oxygen analyser

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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

  • Brand Name: ChangAi
  • Port: Shanghai
  • Packaging Detail: carton
  • Model Number: GNL-2100L
  • Place of Origin: Shanghai China (Mainland)
  • Payment Terms: L/C,T/T
  • Minimum Order Quantity: 1 Set/Sets
  • Delivery Detail: Within 10 working days upon receipt of purchase order
  • Supply Ability: 500 Set/Sets per Month


high purity oxygen analyser
Repeatibility less than 0.5%
Long life

High purity oxygen analyser


n  New pattern, long-life, conversion ion current tester with fast response and high sensitivity

n  High precision, automatic temperature compensation, eliminating the impact of environmental temperature.

n  Checking the sensor working state automatically and unique double-line working change mode extending the sensor’s life

n  Setting upper and lower alarm values freely during the measure ranges

n  AC-DC power supply, using neatly. Full charging battery can continually about 8 hours

n  It can achieve two-way communication by connected to a computer via the standard RS232 or RS485 interface.

n  Inner air pump(option) 


Technical Specifications                                                                                          

Measure Range:                     10-99.99%,50-99.99%,90-99.99%,90-99.99% O2; auto-ranging

Accuracy:                           ±0.5% in FS range, ±0.1 in 90-99.99%

Repeatability:                        ≤0.5%

Preheating Time:                     99s

Sample Gas Flow:                   150~300ml/mim

Stability:                            Zero drift ≤0.5% of FS/7d

Span drift ≤0.5% of FS/7d

Response Time:                     90% of FS reading ≤ 10 seconds

Ambient Temp.:                     -10°C~+50°C

Ambient Humidity:                   <80%RH

Sample Gas Pressure:               0.05MPa≤Inlet pressure≤0.5Mpa

Power Supply:                      220±10% VAC, 50/60Hz, the power loss ≤6VA

Sensor Life:                        25000 hours at 25°C and 1 atm.

Sensor Principle:                    Ion Current Sensor

Warranty:                          12 months analyzer; 12 months sensor

Weight:                            4kg

Outline Dimension:                  243mm×176mm×85mm (L×W×H)


It can be used in the fields of oxygen separation from air, metallurgy, health, petrochemicals, and power electronics industries.

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