Overview
GT903-Y4 Portable 4-in-1 detector is a KORNO brand product, suitable for composite gas concentration detection in various industrial environments and special environments. Using imported electrochemistry gas Sensor and microcontroller technology, it has the characteristics of fast Response Speed, High Measurement accuracy, Good Stability and Repeatability. The performance of the whole machine ranks among the top domestic levels. Users can customize and set various parameters, and the operation is simple. Built-in 4000mA large-capacity polymer rechargeable battery, long standby; equipped with 2.4 inch industrial-grade color screen, clearly display technical indicators and gas concentration values, support historical data viewing, storage, data export, temperature Humidity detection and other functions.
Features
1. Ultra-low power 32-bit microprocessor with new semiconductor nano-process
2.Adopt 2.4 inch industrial grade color screen, resolution is 320x240
3. PPM,% VOL, mg/m3 three concentration units can be freely switched
4. With Data storage function, a single channel can store 30,800 groups of data, historical data can be visually viewed on the screen, and data can be exported
5. With Temperature Humidity Detection Function, It Can Detect Temperature Humidity Value of Gas in Field or Pipeline (Optional)
6. Various modes can be adjusted: detection mode, storage mode, display mode, air pump mode
7. Built-in powerful air pump, can work in a micro negative pressure environment, reasonable air chamber design can ensure that the Sensor is not disturbed by pressure
8. With overvoltage protection, overcharge protection, anti-static interference, anti-magnetic field interference and other functions
9. Full software Automatic calibration, Sensor up to 6 target point Adjustment, ensure the accuracy and linearity of measurement, and have data recovery function
10. Full Chinese/English operation menu, simple and practical
11. With temperature compensation function, the instrument is dust-proof and equipped with dust Filter, which can be used in various harsh occasions
Principle
Imported electrochemistry gas Sensor and microcontroller technology are used to detect gas concentration through pump-suction Sampling method. The built-in powerful air pump can work in a micro-negative pressure environment, and the reasonable gas chamber design ensures that the Sensor is not disturbed by pressure, so as to realize fast Response and accurate measurement.
Applications
Detection of compound gas concentration in various industrial environments and special environments
Standards
GB3836.1-2010 "Explosive environments - Part 1: Equipment - General requirements", GB3836.4-2010 "Explosive environments - Part 4: Equipment protected by intrinsically safe" i "
Steps
Step 1 Start the instrument
2. Adjust the detection mode, storage mode, display mode and air pump mode as needed
3. Carry out gas sampling
4. View real-time or historical data on the screen
5. Optional Temperature and Humidity Testing
6. Data storage and export
7. After use, calibrate and maintain
Notice
• Instrument Ambient Temperature -30~ 50 ℃, Humidity ≤ 95% RH, no condensation
• Operating Pressure Range -30Kpa~ 200Kpa
• Humidity detection is optional and needs to be configured according to actual needs
Periodically calibrated to ensure measurement accuracy
• Avoid use beyond the specified environment conditions
• Pay attention to dust, use dust Filter
• Use according to the requirements of the explosion-proof mark Ex ia IIC T4 Ga
