Good 2 Wires 4-20mA Fixed Gas Detector

Product Description

Fixed Gas Detector brief introduction:
This series of gas detection transmitter use imported electrochemical sensors (combustible gas using catalytic type), this new gas detection transmitters have been developed with years of experience in the development and production of gas detections, and can be widely used in metallurgy, petroleum, chemical, coking, municipal, gas, sewage treatment and special industries, and apply for continuous monitoring of a variety of gas concentration in working environments. Transmitters use explosion-proof design, 4mA ~ 20mA standard signal or directly into the DCS system, this transmitter is high sensitivity, fast response, long life, short polarization time and so on. Our products have achieved the domestic similar product advanced level.
Technical Data:
Detecting Gas: Combustible gas, CO, H2S, O2
Sensor type: Catalytic or electrochemical gas sensor
Sampling: Natural diffusion
Working voltage: DC24V± 25%
Consumption: 2W/channel
Working type: Continuously working
Error: ≤ ± 5%F. S.
Response time (T90): ≤ 30s (LEL) / ≤ 60s (toxic gas)
Working condition:
Temperature: -40~70 ceilsius degree (LEL) / -20~50 celsius degree (toxic gas)
Humidity: ≤ 95%RH (no condensation)
Explosion-proof grade: ExdIICT6
Protection grade: IP55
Working pressure: 86kPa~106kPa
Signal output: 4-20mA 2 wires or 3 wires
Connection screw size: G1/2"
Cable required: 3-line cable, ≥ 3 mm2
Transforming distance: ≤ 1000m

Gas	Range	Resolution	Alarm point
CH4	0-100%LEL	1%LEL	25%LEL
C3H8	0-100%LEL	1%LEL	25%LEL
C2H2	0-100%LEL	1%LEL	25%LEL
CO	0-1000ppm	1ppm	50ppm
H2S	0-100ppm	1ppm	10ppm
H2	0-1000ppm	1ppm	35ppm
SO2	0-20ppm	1ppm	5ppm
NH3	0-100ppm	1ppm	35ppm
NH3	0-500ppm	1ppm	25ppm
NO	0-250ppm	1ppm	35ppm
NO2	0-20ppm	1ppm	10ppm
CL2	0-20ppm	1ppm	2ppm
O3	0-20ppm	1ppm	2ppm
ETO	0-20ppm	1ppm	10ppm
CO2	0-5000ppm	1ppm	1000ppm
HCN	0-50ppm	1ppm	10ppm
O2	0-30%vol	0.1%vol	low 18%vol high 23%vol

Company introduction:
Mantern Industrial Co., Ltd. is engaged in international business since 2012. Our aim is to provide good products with competitive price for our clients. Our employees in our company have more than 11 years experience in international business. So we have the ability and passion to provide good service to all of our clients. Trust us and you will get much profit!We mainly engaged in Safety & Security, Fire Fighting, Water and Heating Hardware etc. such as gas detector, gas valve, fire fighting parts, gas hose, water hose, gas regulator etc. With these fields, we have our own channel to keep. This helps us to meet our clients any need.
Warm welcome to contact us if you have any need.
FAQ
1. Why do you choose our company?
We are trading company, we can help our clients to find any kinds of products in China. We are always looking for good manufacturer with good quality and good price for our clients.
2. How can you guanranty your quality?
EVery time we will inspect our factories first. This inspect will include the persons, the present products, their scale etc. If everything is ok, we will start to cooperate. During cooperation, we will go to the factories to test the products to guanranty the products has good quality. If it doesn't meet our requirement, the goods will be refused.
3. Do you have price advantage?
For us, the quality is our first consideration. And the second consideration is the price. We couldn't say we have the lower price, because of quality issue. We need to say we have the best price.
4. How long do you do the export business?
For our company, it starts in 2012. And for our sales persons, they have 8-10years experience to do the international business. They understand each step for the export and do good service for each of our clients.

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