Industry

Fixed detectors

Analog 4..20 mA

DAT 420

toxic and oxygen gas detector
O₂ - H₂S - NH₃ - ...

ManualsData sheet

• Principle: ELECTROCHEMICAL
• Connection: 2 wires 
• Output signal:  4..20 mA
• Atex marking:
  II 2G Ex db IIC T6
  II 2D Ex tb IIIC T85 °C

 

DAX 420

explosive gas detector
CH₄ - C₃H₈ - ...

ManualsData sheet

• Principle: CATALYTIC or INFRARED
• Connection: 3 wires 
• Output signal: 4..20 mA
• ATEX marking:
  II 2G Ex db IIC T6
  II 2D Ex tb IIIC T85°C

 

Wheatstone bridge

DAX 3F

explosive gas detector
CH₄ - C₃H₈ - ...

ManualsData sheet

• Principle: CATALYTIC or INFRARED
• Connection: 3 wires 
• Output signal: Wheatstone bridge
• ATEX marking:
  II 2G Ex db IIC T6 - T4
  II 2D Ex tb IIIC Tx °C

 

Control units

Wheatstone bridge

DSU816

alarm and measurement control unit for explosive and toxic gases

ManualsData sheet

• Input signal via Wheatstone bridge, 4..20mA
• Up to 128 inputs via general module
• Between 1 and 16 inputs per rack
• 4 programmable alarm levels per input
• Management of all functionalities via keyboard