HT-FX740 laser gas analyzer is a flameproof in-site tunable laser gas analyzer developed for domestic and foreign industrial online analysis and environmental protection online monitoring. It can analyze O2, CO, NH3, CO2, CH4 and other gases online under a variety of complex working conditions (high temperature, high pressure, strong corrosion and other harsh environments). It has high measurement accuracy, fast response speed, stable reliability and low operating cost, which brings great convenience for production optimization, energy recovery, safety control, environmental monitoring and scientific research and analysis.
a. TDLAS (Tunable semiconductor laser absorption spectrum) technology is used to measure without background gas cross interference;
b. Fast response speed allows it to reflect the measured gas concentration in real time;
c. Compact structure design gives the analyzer no moving parts, good reliability and stability;
d. High degree of intelligence makes it easy to operate and maintain;
e. The optical path realizes uncoupled direction adjustment, and the field optical path adjustment is simple;
f. Good adaptability in harsh environments such as high temperature, high dust, high corrosion and high flow rate;
g. Flameproof design has high safety factor;
h. In explosion-proof places, the menu can be set by isolated magnetic pen, which is easy to operate on site;
i. In-site installation needs no preprocessing system, to avoid preprocessing sampling adsorption, clogging and device damage and other problems.
l Light Path Length: 0.5~4m
l Test Principle: TDLAS (Tunable semiconductive laser absorption spectrum)
l Test Composition: O2, CO, NH3, CO2, CH4, C2H2, C3H8
l Test Range: 0-100%
(Note: Every set of analyzer can only test the concentration of one kind of gas, composition and test range are customizable)
l Display Method: 128×64 dot matrix OLED
l Response Time: T90＜10s
l Linear Error: ≤1%.FS
l Resolution: 0.01%
l Repeatability: ≤1.0%
l Range Drift: ≤1%.FS/ half year
l Maintenance Cycle：≤2 times/ year, clean optical window
l Calibration Cycle: ≤2 times/ year
l Input Port: 2 ways of 4-20mA input (temperature and pressure compensation)
l Output Port: 1 way of 4-20mA output (non-isolated output, maximum load resistance＜1KΩ)
l Communication Output: RS485 (default) /RS232
l Power Supply: DC24V,＜20VA
l Purge Gas: 0.3MPa~0.8MPa industrial argon, purified instrument air, etc.
l Ambient Temperature: -20°C~+60°C
l EX Grade: Ex dbⅡC T6 Gb
l Dust Proof Grade: Ex tb ⅢC T80℃ Db
l Certification Number: CNEx22.5611X
l Protection Level: IP66
l Sensor Service Life:＞5 years (under normal conditions of use)
l Purge Source Port: NPT1/8 internal thread
l Instrument Weight: Net weight 59.0Kg
l Installation: In-site installation
Ø Gas recovery analysis of converter gas;
Ø Oxygen analysis of coke oven gas after electric coke capture;
Ø Blast furnace coal injection gas analysis;
Ø Ammonia escape gas analysis in cement industry;
Ø CO testing and analysis for electric power, cement, environmental protection and other industries;
Ø CO2 detection and analysis in coal chemical, environmental protection, medical and other industries;
Ø O2, CO and other gas concentration detection in iron and steel metallurgy;
Ø Flare gas analysis.
l Test range
l Background gas composition
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