Overview
The gas concentration detector is a low-power Modular design using MCU chip, with intelligent Sensor detection technology, overall flameproof (d) structure, and fixed Installation method. The standard configuration is LCDTFT high definition LCD display, three-wire system 4~ 20mA analog, RS485 digital and switching signal output, customized products are provided according to user requests, and Output signal fine-tuning is also supported, which is convenient for system networking and maintenance.
Features
1. Adopt Customizable Range Intelligent Sensor, which guarantees the advantages of high Sensitivity, high accuracy, linear stability and fast Response of the detector;
2. The use of MCU chip highlights the low power consumption of the detector, safe and reliable performance, accurate data conversion, stable signal output, etc.;
3.4-20mA, RS485, switch and other signal output, easy access to PLC, DCS, DDC and other industrial control systems, can also be a single machine through the switch linkage fan, solenoid valve and other 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. The detector can be operated by remote control without opening the lid to perform function menu operations such as alarm value, zero adjustment, calibrating, reset, and modification of the address code;
7. Local integrated sound and light alarm indication, remote mobile phones, computers, monitoring rooms, third-party platforms and other alarm prompts can be realized through alarm control host or wireless signal, and infrared remote control can also be silenced with one click;
8. Aluminum alloy cast body 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 certificate grade: Ex db IIC T6 Gb; explosion-proof certificate number: SYEx23.04100.
Principle
The detector adopts the principle of catalytic combustion detection and detects gas concentration by diffusion Sampling method.
Applications
Workplace environment Gas detection, explosive environment, flammability dust environment, electrical installation in dangerous places
Standards
GB/T3836.1-2021、GB/T3836.31-2021、GB3836.15-2000、GB12476.1-2013、GB12358-2006、GBZ2.1-2007、GB4208-2008
Steps
1. Carry out function menu operations such as alarm value, zero adjustment, calibrate, reset, and address code modification of the detector through remote control without opening the lid;
2. Connection 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;
3. Wireless transmission: Built-in LORA and Zigbeg modules can be used for short-range wireless transmission; external GPRS/4G modules can be used for remote data transmission to the cloud platform.
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 transmitter and Sensor are flameproof;
• When the connection cable 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; Alarm mode can be set: conventional high and low alarm, interval control alarm;
• Electrical interface: default M20X1.5 internal thread, optional 3/4NPT, 1/2NPT.
