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Audio-visual display Gas Detector
Model Name
DA-91 Series
Series
Gas Detector
Data
DA-91 specification
Manufacturer information
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GASDNA

Infrared thermometer manufacturer, .Gas measuring device, Gas detector, Smoke detector, Air quality measuring device and more

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Manufacturer
GASDNA
Brand
-
SKU
55002
Product Name
Audio-visual display Gas Detector
Model Name
DA-91 Series
Size
-
Weight
-
Product Details

DA-91 series detects leakage of various toxic or combustible gases leaked from industrial areas for gas producers, gas users, gas reservoirs, gas by-producers, and so on, in order to prevent any accidents in advance. 

 

[ Features ] 

ㆍ FND display with Back Light 
    FND offers real-time display of gas density and back light offers easy reading in dark area. 
ㆍ Isolation Circuit 
    Built in isolation circuit prevents electrical noise and realizes the most stable sensor output. 
ㆍ Multi Signal Output 
    DC 4-20mA, 2 step-relay contact, & RS-485(option) – provides best networking with all kinds of devices & equipments. 

 

[ Specification ]  

 
Detection principle Electro-chemical, NDIR, Catalytic
Response time within 20 seconds, 90%/full scale
Accuracy ≤2% /full scale
Programmable Calibration density & detection range
Self diagnose FND shows senor error(S-ERR), 2mA output
Input power AC 220V/60Hz
Output power 4~20mA / full scale – max. 2.5km transmitting length
Alarm Low alarm – AL1 LED(RED)
High alarm – AL2 LED(RED)
Light bar – BZ LED(RED)
Alarm method Sight – Light bar
Hearing – Buzzer (90㏈/1m)
Operation temperature & humidity -20℃~50℃ & 5~95% RH (non-condensing)
Alarm release Manual and automatic release
Alarm output 2 step (AL1/AL2) alarm relay contact, RS-485 (option)
Mounting type Wall mounting type
Detection range 0 ~ 10,000 ppm
GASDNAInfrared thermometer manufacturer, .Gas measuring device, Gas detector, Smoke detector, Air quality measuring device and more
We are a specialized developer and manufacturer of combustible, toxic gas detectors and infrared thermometers and are focusing on developing and distributing more convenient and stable gas detectors and infrared thermometers. Based on the technologies and expertise We've accumulated over the last 10 years, we have positioned ourselves as Korea's only infrared thermometer manufacturer. We and we are planning to expand into not only the domestic market, but also overseas markets. Our corporate philosophy is "to maximize the usage value of technology by developing customer-oriented products."  To realize this philosophy, we are operating a system that reflects our customers' needs at the product development stage and the specificity of various use sites.  As a result, we have developed and manufactured efficient and reliable products based on state-of-the-art technologies, and we have become the world's leading company in the gas detector and Infrared thermometer field. We promise that we will continue to devote ourselves to research and development, and will ensure your safety and our product quality in accordance with the quality assurance K mark and ISO9001 quality system to maximize value for our customers.
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