China OEM/ODM Manufacturer High Performance Toxic Gas Sensor Industrial Gas Detector 4-20mA, Hart, RS485-RTU Output manufacturers and suppliers

OEM/ODM Manufacturer High Performance Toxic Gas Sensor Industrial Gas Detector 4-20mA, Hart, RS485-RTU Output

Short Description:

This series of detectors adopts integrated functional module design, which is convenient for on-site hot swapping and replacement. It can be equipped with various types of sensors, such as catalytic sensor, semiconductor sensor, electrochemical sensor, infrared (IR) sensor, photoion (PID) sensor, etc. and can detect various toxic and combustible gas concentrations (ppm /% LEL /% VOL) on site. The detector has the characteristics of flexible combination, quick and easy replacement, stable performance, good consistency, high sensitivity, low power consumption, multiple outputs and optional detection methods. It is widely used in petroleum, chemical industry, pharmacy, steel, special industrial plants and other places with combustible or toxic and harmful gases.

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Product Detail

Product Tags

We’ve got a really efficient group to deal with inquiries from prospects. Our purpose is “100% customer fulfillment by our product excellent, price & our group service” and enjoy a superb track record amid clientele. With many factories, we can easily deliver a wide selection of OEM/ODM Manufacturer High Performance Toxic Gas Sensor Industrial Gas Detector 4-20mA, Hart, RS485-RTU Output, To achieve reciprocal advantages, our business is widely boosting our tactics of globalization in terms of communication with overseas clients, rapidly delivery, the top excellent and long-term cooperation.
We’ve got a really efficient group to deal with inquiries from prospects. Our purpose is “100% customer fulfillment by our product excellent, price & our group service” and enjoy a superb track record amid clientele. With many factories, we can easily deliver a wide selection of China Gas Detector and Toxic Gas Detector, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.

Product Selling Point

1) 4 ~ 20mA standard signal, supporting HART protocol

Lightweight design, three wire system (4 ~ 20) mA standard signal, using first-line brand imported sensor, supporting HART protocol

2) Highly-integrated functional module design

The sensor module integrates a sensor and a processing circuit, to complete all data operation and signal switching of the detector independently. Its unique heating function expands the detector’s low temperature service capability. The detector module is for power supply, communication and output functions;

3) Overlimit protection for high concentration

In case of overlimit of high concentration gas, the sensor module can cut off power supply automatically. Detection works every 30s until the concentration is normal and power supply is resumed. This function can prevent reduction of the sensor’s service life resulted from being submerged in high concentration gas;

4) Standardized digital interface

Standard digital interfaces are used between modules. Anti-misplug gold-plated pins are good for on-site hot plug replacement;

5) Flexible combination and multiple output modes

Multiple detector modules and multiple types of sensor modules can be combined flexibly to form detectors with special output functions and applicable to different targets to meet customers’ customized demands;

6) Replace a sensor as easy as replacing a bulb

Sensor modules for different gases and ranges can be replaced freely. No calibration is required after replacement. That is, the detector can read ex-factory calibrated data and work immediately. In this way, the product has a longer service life. Meanwhile, detection calibration can be done easily at different sites, avoiding complicated dismantling process and difficult on-site calibration and reducing later maintenance cost;

7) On-site LED concentration display, and diversified calibration modes

Highlight LED real-time concentration display, with farther and wider visual distance and angle, applicable to industrial environment requirements; the detector can be set/calibrated in different ways, such as by keys or by an IR remote controller or a magnetic bar, and it is easy to operate;

8) Explosion-proof design

Enclosure of this product is made of cast aluminum or stainless steel materials and its explosion proof grade reaches Exd II CT6 Gb.

Product Parameter Characteristics

Optional sensor		Catalytic combustion, Semiconductor, Electrochemical, Infrared ray(IR), Photoion(PID)
Sampling mode		Diffusive sampling	Operating voltage		DC24V±6V
Alarm error	Combustible gases	±3%LEL	Indication error	Combustible gases	±3%LEL
	toxic and hazardous gases	Alarm setting value ±15%, O2:±1.0%VOL		toxic and hazardous gases	±3%FS ( toxic and hazardous gases）, ±2%FS (O2)
Power consumption		3W（DC24V）	Signal transmission distance		≤1500m（2.5mm²）
Press range		86kPa～106kPa	Humidity range		≤93%RH
Explosion proof grade		ExdⅡCT6	Protection grade		IP66
Electrical interface		NPT3/4＂ internal thread	Shell material		cast aluminum or stainless steel
Operating temperature		Catalytic combustion, Semiconductor, Infrared ray(IR): -40℃~+70℃; Electrochemical: -40℃~+50℃； Photoion(PID)：-40℃~+60℃
Optional signal transmission mode		1) A-BUS+ four-bus system signal and contact outputs of two sets of relays 2) Three-wire (4~20)mA standard signals and contact outputs of three sets of relays Note： (4~20) mA standard signal is {maximum load resistance: <250Ω(18VDC~20VDC), <500Ω(20VDC~30VDC)} The relay signal is {alarm relay passive normally open contact output; fault relay passive normally closed contact output (contact capacity: DC24V /1A)}
Alarm concentration		The factory alarm setting value is different due to different sensors, the alarm concentration can be set arbitrarily in the full range, please consult

We’ve got a really efficient group to deal with inquiries from prospects. Our purpose is “100% customer fulfillment by our product excellent, price & our group service” and enjoy a superb track record amid clientele. With many factories, we can easily deliver a wide selection of OEM/ODM Manufacturer High Performance Toxic Gas Sensor Industrial Gas Detector 4-20mA, Hart, RS485-RTU Output, To achieve reciprocal advantages, our business is widely boosting our tactics of globalization in terms of communication with overseas clients, rapidly delivery, the top excellent and long-term cooperation.
OEM/ODM Manufacturer China Gas Detector and Toxic Gas Detector, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.