Introduction
GNL-B oxygen analyzer is an online intelligent industry measurement instrument, using electrochemical measurement principle, and adopting high-performance electrochemical sensor with single chip technology. It has observable characteristics of high precision, long calibrating period, small appearance, low power consumption and automatic temperature compensation

Features
Imported fuel cell oxygen sensor, long life, high precision and fast response
Automatic temperature compensation, eliminating the impact of environmental temperature
Inner flow meter, flow controller, end value, stainless steel joint and optional constant temperature control system
Inner air pump(option)
Setting upper and lower alarm values freely during the measure ranges
4-20mA or 0-5V DC signal outputs
One standard RS232C interface

Technical Specifications
Measure Range: 0-10ppm, 0-100ppm, 0-1000ppm, 0-25% O2
Accuracy: ¡Ü±4% in 0-10ppm range
¡Ü±2% in 0-100ppm range
¡Ü±2% in 0-1000ppm range
Stability: Zero drift ¡Ü±2% of FS/7d
Span drift ¡Ü±2% of FS/7d
Measure Medium: H2, natural gas, coal gas, hydrocarbons & acidic gases
Repeatability: ¡Ü±1%
Display Resolution: 0.01ppm
Contact Capacity: 125VAC 0.3A, 110VDC 0.3A, 30VDC 1A
Working Temp.: 0ºC~+45ºC
Power Supply: 220±10% VAC, 50/60Hz, power loss¡Ü10VA
Response Time: 90% of FS reading ¡Ü10 seconds
Sample Gas Flow: 200~400ml/mim
EX. Mark: ExiallCT5
Sensor Life: 24 months at 25ºC and 1 ATM
Warranty: 12 months analyzer; 12 months sensor
Weight: 8kg
Appearance dimension: 300mmx200mmx110mm (WxHxD)

Applications
It can be used in the hydrogen production, chemical process, coal, and fire fighting such as anti-explosive or flammable gas or other dangerous places to test the oxygen concentration.

Order knowledge
Measure range
Tested gas contains acidic gas (e. G. CO2) or not
Tested gas pressure
Gas composition and impurity