4S-NH3
Electrochemical Gas Sensor
Surface Type
SemiConductor Integrated
Ceramics
IP20
Medium
CE
Customized
Quantitative Measurement of Gases
Electrochemical Module
Electrochemical Principle
< 20s(Typical Value 15s)
15%~90%Rh
Professional Installation
< 1.0A
1PCS
< 20s(Typical Value 15s)
Gas Sensor Module
800 ~ 1200mbar
1.3 V
< 20% Per Year
< 2ppm
Gas Analyse
nkyf
Packaging & Deliverypackaging Detailsbag
Operating Temperature -40º C to +55º C
Henan, China
Product Description
Basic performance | parameter |
sensitivity | 90±40 na/PPM |
range | 0 ~ 100ppm |
Baseline drift | < ±2 ppm NH3 equivalent |
Response time (T90) | < 15s(typical value 12s) |
linearity | linearity |
repeatability | < ±2% |
Use environment | |
Operating temperature range | -40 to +55 |
Working pressure range | 800 ~ 1200mbar |
Operating humidity range | 15%-90% RH |
Life warranty | |
Output drift | < 15% per year |
Service life | > 24 months (in the air) |
warranty | 12 months (from delivery date) |
Recommended storage temperature | 0 ~ 20 (closed container) |
Electrical property | |
resolution | < 0.1ppm |
Recommended load resistance | 10 Ω |
Intrinsic safety characteristic | |
2000ppm maximum current | 0.2 mA |
Maximum O/C voltage | 1.3 V |
Maximum S/C current | < 1.0A |
Features
Low power consumption and high precision High sensitivity and wide linear range Excellent repeatability and stabilityApplications:
Widely suitable for the detection of ammonia gas in industrial applications




Ningxia Nuoke Yinfeng Intelligent Technology Co., Ltd. is a scientific and technological enterprise specializing in the development, production, sales and technical services of gas detection instruments. Our company has rich experience in development and production and advanced management system.
The main products include pocket-sized gas detector, pump-suction gas detector, fixed gas detector , gas detector controllers, etc. The gas detection covers oxygen, various flammable and explosive gases, various toxic and harmful gases, volatile organic compounds (VOC), etc.
Products are widely used in environmental protection, petroleum, chemical, shipbuilding, power, papermaking, metallurgy, pharmaceuticals, water treatment, food processing, coal mines, buildings and other fields.








1.Q: Can I have a sample order to test quality?
A: Yes, we re commend and welcome sample order to test and check before order.
2. Q: Do you offer guarantee for the products? A: Yes, we offer 1 or 2 years guarantee for the products.3. Q: If I order big quantity, Can I have a cheaper price? A: We will reduce the price according to the specific quantity and your requirements for the product.
4.Q: How does your I factory do regarding the quality control?
A: Quality is priority, Our factory has passed ISO 9001 with annual audit.Established a procedure to check products at all stages of the manufacturing process-raw materials, in process materials.validated or tested materials, finished goods.etc.