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Industrial and Commercial Use Point-type Combustible Gas Detector
Industrial and Commercial Gas Detector Shield SD2100A Series
Product Features
Compatible with bus systems and 4-20mA distributed systems, facilitating system design and expansion;
Infrared remote control operation, no need to open the cover for on-site operation;
Three independent indicator lights, indicating normal operation/fault/alarm of the device;
Comes with linkage control output, capable of controlling on-site sound and light or fan/valve.
Dual outlet structure, convenient for on-site construction;
Built-in temperature detection function ensures accurate and effective detection of the product in various temperature environments.
Unboxing and Inspection
Standard accessories: Product manual (1 piece), factory inspection report (1 piece), product certificate (1 piece), mounting bracket (1 piece), installation accessories (1 piece).
Unboxing inspection: The product appearance has no scratches, the label is intact and clear, and the accessories are complete.
| Detected gases | Methane/Propane/Other gases |
| Detection principle | Catalytic combustion/semiconductor |
| Sampling method | Diffusion type |
| Measurement range | (3~100)%LEL or others |
| Alarm set point (default for combustible gas) | Low limit 25% LEL High limit 50% LEL |
| Alarm error | ±3% F.S |
| Response time | Combustible gas ≤30s (T90) |
| Power Consumption | ≤3W (DC24V) |
| Protection level | IP66 |
| Explosion-proof rating | Exdb IIC T6 Gb |
| Communication method | S-BUS bus & 4-20mA point-to-point system |
| External control output | 1 switch signal, default active output DC24V/30mA |
| Sensor lifespan | Three years (typical for catalytic) |
| Storage environment | Temperature 0℃～+35℃, relative humidity 25%RH～70%RH |
| Operating environment | Temperature -40℃ to +70℃, relative humidity ≤93%RH, ambient atmospheric pressure 86kPa to 106kPa |
| Explosion-proof cable entry interface | Outer diameter of the wire 9-10mm |
| Threaded interface size | G3/4 |
| Product weight | Approximately 733g |
| Product dimensions | 150mm×135mm×66.5mm |
Installation Diagram (Dimensions: mm)
Mounting Plate (Dimensions: mm)
Terminal Diagram and Description
Detector Wiring Diagram:
|
Detector terminal |
Terminal description |
Remarks |
|
24V+ |
DC 24V power positive |
|
|
GND |
DC 24V power negative |
|
|
S+ |
S-BUS bus signal positive |
|
|
S- |
S-BUS bus signal negative |
|
|
SI |
4-20mA signal output |
|
|
CM1 |
"Continuous output" |
The default active output is DC24V/30mA. |
|
NO1 |