The FDM hydrogen sulfide detector is a high-performance product equipped with a built-in MCU and OLED display, and supports remote control operation. It is developed by adopting DS4 intelligent gas sensors, advanced very large-scale integrated circuit technology, proprietary digital-analog hybrid communication and other technologies. Featuring excellent stability, high sensitivity, fast response speed, long service life, communication and self-diagnosis functions, as well as easy installation and maintenance, it fully demonstrates the advanced performance of typical intelligent on-site monitoring instruments and greatly meets the demand for high-reliability equipment in industrial site safety monitoring.
Product Parameters
FDM-H2S Hydrogen Sulfide Gas Detector
Features:
· Multiple signal outputs: standard 4~20mA current output, low-limit alarm relay output and standard RS485 interface
· OLED display, remote control operation, high-decibel audible and visual alarm (optional), fully adjustable alarm points across the entire measuring range
· Digital temperature compensation for the full measuring range to guarantee measurement accuracy
· Compatible with various remote control devices such as PLC, DCS, control alarm units and secondary instruments
· Automatic sensor identification and real-time detection of gas chamber operating status
· Intrinsically safe circuit and explosion-proof housing design for safe, convenient and rapid on-site maintenance
Advantages:
· Ready for use without preheating
· Automatic self-identification function
· Easy maintenance
· Accurate factory pre-calibration
· Sensor performance detection and fault alarm for sensor failure judgment
Technical Specifications
Detection Principle
Solid Polymer Electrochemical Gas Sensing Technology
Detection Mode
On-line monitoring, diffusion type
Signal Output
Simultaneous 4-20mA and RS485 signal output (standard protocol or private protocol optional)
3-wire 4-20mA output connection cable: 3-core shielded cable
4-wire RS485 output connection cable: 4-core shielded cable
Housing Material
Cast Aluminum
Flameproof Grade
ExdⅡCT6Gb
Ingress Protection Rating
IP66
Accuracy
± 5% F.S
Operating Temperature
-40℃ ~ +60℃
Operating Humidity
10% ~ 95% RH, non-condensing
Expected Sensor Service Life
> 3 years
Operating Voltage
24V DC
Operating Current
< 100mA @ 24V DC
Relay Output
Passive switch output or active output (contact capacity 24VDC@1A for active output)
Overall Weight
1.14kg
Tech Support
User Reviews
