EN-450 Trace H2S Gas AnalyzerDetailed product description：

Characteristics of EN-450 Trace H2S Gas Analyzer:

The instrument adopts a new type of trace hydrogen sulfide detector
Full Chinese operation menu
The instrument adopts a large screen LCD display screen
Real time clock display
Can be connected to a printer to achieve timed automatic printing
Equipped with timed automatic storage function and the ability to view stored data at any time
Equipped with a paperless recorder function, it automatically records the variation curve of hydrogen concentration over time
Equipped with RS232 communication port, it can be connected to a computer to achieve real-time data transmission, data storage, curve trend chart, printing report and other functions
Can set upper and lower limit alarm points, with alarm contact output;
Online calibration with available standard gas
Optional output current of 0-10mA or 4-20mA

Main technical indicators:
Measurement range: 0~500ppm, 0~2000ppm, 0~5000ppmH2S (choose one level)
Accuracy: 5% FS
Response time: T90 less than 40 seconds
Output signal: 0-10mA, 4-20mA
Power supply: 220VAC+/-10%, 50HZ+/-1HZ
Environmental temperature: 0-40 ℃
Sample gas flow rate: 200-400 milliliters per minute
Inlet temperature: 0-40 ℃
Alarm relay switch output: 265VAC/1A
Dimensions: 144 × 144 × 250mm
Hole size: 138 × 138mm
Instrument weight: 2.0kg