Overview
The four oxidation dinitrogen detector is a GY/VGD-200-N2O4-G (0-10ppm) model gas concentration detector produced by GUOYUGRA. It adopts MCU chip low power consumption Modular design, with intelligent Sensor detection technology, overall flameproof (d) structure, fixed Installation method. Standard configuration includes LCDTFT high definition LCD display, three-wire system 4~ 20mA analog, RS485 digital and switching signal output, supports customized products and Output signal fine-tuning, which is convenient for system networking and maintenance.
Features
1. Customizable Range Intelligent Sensor, High Sensitivity, High Accuracy, Linear Stability, Fast Response
2. Using MCU chip, low power consumption, safe and reliable performance, accurate data conversion, stable signal output
3. Support 4-20mA, RS485, switch and other signal output, can be connected to PLC, DCS, DDC and other industrial control systems or linkage control equipment
4. Support customized wireless signal transmission: Zigbee, LORA, 433M, 4G, WiFi, NB, GPRS, etc
5 point array high definition LCDTFT LCD screen, Chinese and English Operating interface can be switched
6. Alarm value, zero adjustment, calibrate, reset, modify address code and other functions can be performed by remote control without opening the lid
7. Local integrated sound and light alarm indication, support remote alarm prompt and infrared remote control one-button muffler
8. Aluminum alloy cast explosion-proof shell, sturdy and durable
9. Passed a variety of CMA, CNAS, CE, ROHS, SIL, UL, ECM safety and other international certifications
10. Explosion-proof level: Ex db IIC T6 Gb, explosion-proof certificate number: SYEx23.04100
Principle
The detector adopts the principle of catalytic combustion detection, and detects the four-oxidation dinitrogen gas by the diffusion Sampling method. The Sensor converts the gas concentration into an electrical signal, and outputs a standard signal after processing by the MCU chip.
Applications
Explosive environment, flammability dust environment, workplace environment Gas detection, workplace harmful factors detection
Standards
GB/T3836.1-2021、GB/T3836.31-2021、GB3836.15-2000、GB12476.1-2013、GB12358-2006、GBZ2.1-2007、GB4208-2008
Steps
1. Set the alarm value by remote control without opening the lid
2. Zero adjustment operation by remote control without opening the lid
3. By remote control without opening the lid for calibrating operation
4. Reset operation by remote control without opening the lid
5. Modify the address code through the remote control free lid
6. Infrared remote control one-button muffler
Notice
• Operating voltage: DC24V (12V~ 30V)
• Ambient Temperature: -20~ 50 ℃
• Environmental humidity: 10-95% RH (non-condensing)
Sensor life: 2~ 3 years (depending on the environment used)
Explosion-proof form: Probe Transmitters and Sensors are flameproof
• Connecting cable: 4~ 20mA choose three-core Shielding cable, RS485 choose four-core, when the distance exceeds 1000 meters, the single wire diameter is ≥ 1.5mm, and the Shielding layer is connected to the earth
• Alarm settings: standard configuration two-level alarm, can set conventional high and low alarm, interval control alarm
