Overview
The online all-in-one detector is a detection instrument with low power consumption Modular design, 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. Provide customized products according to user requests, and also support Output signal fine-tuning and other functions, which is convenient for system networking and maintenance. The rugged and durable explosion-proof shell of the online all-in-one detector is widely used in petroleum, chemical industry, metallurgy, fire protection, coal mine, cement, lame plating, metal sanding, electric power, ship, environmental protection, telecommunications, biochemical medical and other industries.
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;
11. Protection Rating: IP66.
Principle
The on-line all-in-one detector adopts the principle of catalytic combustion and electrochemistry detection, and detects a variety of gases through diffusion or optional pump-suction Sampling method. The instrument uses intelligent Sensor and MCU chip to process data and output various signals to achieve accurate monitoring and alarm of gas concentration.
Applications
Petroleum, chemical industry, metallurgy, fire protection, coal mine, cement, lame plating, metal sanding, electric power, marine, environmental protection, telecommunications, biochemical medical
Standards
GB/T3836.1-2021 "Explosive environment Part 1: General requirements", GB/T3836.31-2021 "Explosive environment Part 31: Equipment protected by anti-dust ignition enclosure" t ", GB3836.15-2000" Electrical equipment for explosive gas environment Part 15: Electrical installation in hazardous places (except coal mines) ", GB 1 2476.1 - 20 1 3" Electrical equipment for flammability dust environment Part 1: General requirements ", GB12358-2006" General technical requirements for workplace environment Gas detection alarms ", GBZ2.1-2007" Occupational exposure limits for hazardous factors in the workplace ", GB4208-2008" Shell Protection Rating (IP code) "
Steps
1. Connection cable: Select three or four core Shielding cable according to the signal output type to ensure that the Shielding layer is grounded;
2. Power supply: DC24V Operating voltage (range 12V~ 30V);
3. Installation: Fixed installation of the detector to ensure that the Sampling method is diffusion or pump suction;
4. Configuration: set the alarm value, zero adjustment, calibrate, reset, modify the address code, etc. through the remote control free opening lid;
5. Output signal connection: connect 4-20mA, RS485, switch signal to PLC, DCS, DDC and other systems;
6. Alarm settings: configure two-level alarms, you can choose conventional high and low alarms or interval control alarms;
7. Monitoring: View data through local sound and light alarms or remote computers and mobile phones.
Notice
* Working ambient temperature range is -20~ 50 ℃, Humidity is 10-95% RH (no condensation);
* Sensor life is 2 to 3 years, depending on the Operating Environment;
When the transmission distance exceeds 1000 meters, the diameter of a single wire must be ≥ 1.5mm.
* The explosion-proof form is Probe Transmitter and Sensor are flameproof;
* Electrical interface default M20X1.5 internal thread, optional 3/4NPT, 1/2NPT;
* Measurement certificate is optional, the user pays the fee;
* Optional Accessories include 220V to 24V Power Adapter, computer monitoring accessories, etc.;
* Output signal voltage output and current output two choose one;
Wireless transmission module is optional and is not limited by distance.
