Gas / particle concentration transducers

• Stable long-life metal-oxide gas sensor
• Range 0...100 % LEL (0...2,5 % vol.) C₂H₂
• Resolution 0,1 % LEL (25 ppm) C₂H₂
• Outputs 2 x 4...20 mA / 0...10 V, RS-485
• Attached or remote sensor

• Long-life MOS or electrochemical gas sensor
• Range 0....1000 ppm NH₃
• Resolution 1 ppm NH₃
• Outputs 4...20 mA / 0...10 V, RS-485

• Stable long-life metal-oxide gas sensor
• Range 0....1000 ppm NH₃
• Resolution 1 ppm NH₃
• Default alarms at 25 ppm / 35 ppm NH₃
• Outputs 2 switches, 2 x 4...20 mA / 0...10 V, RS-485

• Electrochemical gas sensor
• Range: 0...100, 0...300, 0...1000, (0...10000 on request) ppm NH3
• Resolution: 1 / 2 / 5 ppm NH3
• Sensor lifetime: > 2 years
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -10...+50 °C
• Supply: 11..30 VDC / 24 VAC or 90...265 VAC

• Metal-oxide gas sensor
• Range: 0...1000 ppm NH3
• Resolution: 1 ppm NH3
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -40...+50 °C / 15...90 %RH
• Supply: 11...30 VDC / 24 VAC or 90...265 VAC

• Analog gas detector MC for connection to DGC, MSC, WSB or any compatible gas detector
• Reliable self-monitoring: Integrated watchdog
• Precise signal: 4–20 mA (2–10 V) output for easy system integration

Carbon dioxide (CO₂) and temperature transmitter with a display CDT2000 Duct. The device is designed for measurement of air parameters in ventilation channels.

• CO₂ range 400...2000 ppm
• Temperature range 0...50 °C

• To measure carbon dioxide and temperature in air and neutral gases ranges 0…5000 ppm, 0...50 °C
• Configuration with keypad or software: measuring ranges, units, outputs settings
• Optional with display or without display
• Galvanic isolation all the ways
• On request range increase up to 0...20 000 ppm

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• To measure carbon dioxide in air and neutral gases range 0…5000 ppm
• Configuration with switches or software: measuring ranges, outputs settings
• Optional with display or without display
• Ambient and duct models. Duct model available only without display

Carbon dioxide (CO₂), temperature and humidity transmitter with a display CDT2000.

• Carbon dioxide (CO₂) range: 400...2000 ppm
• Humidity range: 0...100 % 
• Temperature range: 0...50 °C

• Stable long-life optical NDIR gas sensor
• Range 400...5 000/10 000/50 000 ppm CO₂
• Resolution 10 ppm CO₂
• Outputs 2 relays, 2 x 4...20 mA / 0...10 V, RS-485
• Remote probe option

• Stable long-life optical NDIR gas sensor
• Range 400...5 000/10 000/50 000 ppm CO₂
• Resolution 10 ppm CO₂
• Outputs 2 x 4...20 mA / 0...10 V, RS-485
• Remote probe option

• NDIR gas sensor
• Range: 0...10 000 ppm CO2
• Resolution: 1 ppm
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: 0...+50 °C
• Supply: 11...30 VDC / 24 VAC or 90...265 VAC as options

• NDIR gas sensor
• Range: 0...50 000 ppm CO2 (up to 100 % CO2 on request)
• Resolution: 0.01 % vol.
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -25…+50 °C
• Supply: 11...30 VDC / 24 VAC or 90...265 VAC

Carbon dioxide transmitter CMT is designed for CO concentration measurement. The transmitter is used to control interior ventilation systems.

• CO range 0...300 ppm

• Electrochemical (CO) and optical NDIR (CO2) gas sensors
• Range: 0...100 ppm CO, 0...10000 ppm CO₂
• Resolution: 1 ppm
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Operating temperature: -20...+50 °C
• Supply: 24 VDC/VAC
• Protection class: IP65

• Electrochemical gas sensors
• Range: 0...100 ppm CO, 0...20 ppm NO₂
• Resolution: 1 ppm CO, 0,1 NO₂
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Operating temperature: -20...+50 °C
• Supply: 24 VDC/VAC
• Protection class: IP65

• Stable long-life electrochemical gas sensor
• Range 0....1000 ppm CO
• Resolution 1 ppm CO
• Default alarms at 25 ppm / 35 ppm CO
• Outputs 2 switches, 2 x 4...20 mA / 0...10 V, RS-485

• Stable long-life electrochemical gas sensor
• Range: standard 0....200 ppm CO, maximal 0...1000 ppm CO
• Resolution 1 ppm CO
• Default alarms at 25 ppm / 125 ppm CO
• Outputs 2 x relays with switch-over contacts
• Visual and acoustic alarms

• Long-life electrochemical cell
• Range 0....1000 ppm CO
• Resolution 1 ppm CO
• Outputs 4...20 mA / 0...10 V, RS-485

• Stable long-life electrochemical gas sensor
• Range: 0...200 or 0...1000 ppm CO
• Resolution: 1 ppm CO
• Outputs 2 x relays with switch-over contacts
• UART digital interface
• Visual and acoustic alarms
• Magnetic key switching

• Electrochemical gas sensor
• Range:
• -- 0…300 ppm CO
• -- 0...1000 ppm CO
• Resolution: 1 ppm CO
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -20...+50 °C
• Supply: 11...30 VDC / 24 VAC or 90...265 VAC

• Addressable digital gas detection system (Sensor-Board SB) for combustible, toxic and refrigerant gases.
• Communication: RS-485 interface for stable and secure system networking
• Precise Detection: High accuracy thanks to digital signal processing
• Easy maintenance with X-Change: Plug & Play systems for fast, convenient service
• Robust Design: Reliable with IP65 even under extreme conditions

• Stable long-life electrochemical cell
• Range 0...20 ppm Cl₂
• Resolution 0,02 ppm Cl₂
• Outputs 2 relays, 2 x 4...20 mA / 0...10 V, RS-485
• Default alarm set-points 0,5 ppm/1 ppm Cl₂
• Remote probe option

• Stable long-life electrochemical cell
• Range 0...20 ppm Cl₂
• Resolution 0,02 ppm Cl₂
• Outputs 2 x 4...20 mA / 0...10 V, RS-485
• Remote probe option

• Electrochemical gas sensor
• Range: 0...10 ppm Cl₂
• Resolution: 0,1 ppm Cl₂
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -20...+50 °C
• Supply: 11...30 VDC (default), 24 VAC or 90...265 VAC

• CO2 concentration measurement range: 0...10 000 ppm
• Output: 4...20 mA
• Programmable
• External probe cable length: 1 / 2 / 4 m
• LCD display
• Calibration certificate included
• Ambient temperature: -30...+80 °C
• Supply: 9...30 VDC
• Protection class: IP65
• Warranty: 3 years

• For methane, butane, propane and hydrogen
• Stable long-life metal-oxide gas sensor
• Range 0...100 % LEL
• Resolution 0,1 % LEL
• Outputs 2 switches, 2 x 4...20 mA / 0...10 V, RS-485
• Default alarms at 20 / 50 % LEL

• For methane, LPG, hydrogen and acetylene
• Can be calibrated for metane, propane and butane
• Stable long-life metal-oxide gas sensor
• Range 0...100 % LEL
• Resolution 0,1 % LEL
• Outputs 2 x relays with switch-over contacts
• Default alarms at 10 / 25 % LEL

• For methane, butane, propane and hydrogen
• Stable long-life metal-oxide gas sensor
• Range 0...100 % LEL
• Resolution 0,1 % LEL
• Outputs 2 x 4...20 mA / 0...10 V, RS-485

• For methane, LPG, hydrogen and acetylene
• Can be calibrated for methane, butane, propane, acetylene and hydrogen
• Stable long-life metal-oxide gas sensor
• Range: 0...100 % LEL
• Resolution: 0,1 % LEL
• Outputs 2 x relays with switch-over contacts
• Default alarms set-points 10 / 25 % LEL
• UART digital interface
• Alarms: blinking LED, 85 dB buzzer

• Metal-oxide gas sensor
• Detected gases: hydrogen, methane, acetylene, propane, butane
• Standard calibration: methane
• Range: 0...100 % LEL
• Resolution: 0,1 % LEL
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -40...+70 °C
• Supply: 11...30 VDC / 24 VAC or 90...265 VAC

• Warning- and Sensor-Board WSB for digital and analog sensor technology for the precise detection of combustible, toxic and refrigerant gases.
• Versatile alarm function: Alarm and fault relays (30 V)
• Intelligent interfaces: RS-485 interface with DGC or Modbus protocol
• Precise signal transmission: 4–20 mA input and output for reliable communication
• Flexible: Connection of up to 3 sensors (2 digital)

• To measure and data logging: carbon dioxide (0...5000 ppm), temperature (0...50 °C), atmospheric pressure (800...1100 hPa), humidity (0…100 % RH) in air and neutral gases
• Free software for configuration and data visualization
• Bluetooth communication for smartphones and tablets (Android and IOS)
• Safety lock magnetic mounting with inviolability system holder (accessories)
• Compatible with food industry environment
• Up to 4 recordable parameters simultaneously
• Optional calibration certificate

• Stable long-life electrochemical gas sensor
• Range 0...10 / 0...200 / 0...1500 ppm C₂H₄
• Resolution 0,1 / 1 / 5 ppm C₂H₄
• Outputs 2 switches, 2 x 4...20 mA / 0...10 V, RS-485

• Stable long-life electrochemical gas sensor
• Range 0...10 / 0...200 / 0...1500 ppm C₂H₄
• Resolution 0,1 / 1 / 5 ppm C₂H₄
• Outputs 2 x 4...20 mA / 0...10 V, RS-485
• Attached or remote sensor

• Electrochemical gas sensor
• Range: 0...10 / 0...200 / 0...1500 ppm C₂H₄
• Resolution: 0,1 / 1 / 1 ppm C₂H₄
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -20...+50 °C
• Supply: 11...30 VDC / 24 VAC or 90...265 VAC

• Electrochemical gas sensor
• Range: 0...20 / 0...100 ppm C₂H₄O
• Resolution: 0,1 / 1 / 5 ppm C₂H₄O
• Analog output: 2 x 4...20 mA / 0a...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -20...+50 °C
• Supply: 11...30 VDC / 24 VAC or 90...265 VAC

Multifunctional indoor climate sensor AERASGARD RFTM - LQ - PS - CO2 - Modbus with with LCD display.

• Temperature measuring range / deviation: 0…+50 °C / ± 0,2 °C at +25 °C
• Humidity measuring range / deviation: 0…100 % RH / ± 2 % RH (20…80 % RH), at 25 °C, otherwise ± 3 %
• CO2 Measuring range / accuracy: 0…5000 ppm / ± 30 ppm ± 3 % of measured value
• Particulate matter (PM) measuring range / accuracy: 0…50 μg/m³ 0…100 μg/m³ 0…300 μg/m³ 0…500 μg/m³
• Particulate matter (PM) accuracy ± 10 μg/m3 (± 10 % of measured value) at PM 2.5, ± 25 μg/m3 (± 25 % of measured value) at PM 10
• Air quality (VOC) measuring range: 0…100 %
• Data output:  galvanically separated RS-485 Modbus RTU interface
• Variants: with / without LCD display
• One sensor covers about 30 m² of room area
• Power supply: 24 V ac/dc (200 mA)
• Standards: CE, EN 61 326, EMC Directive 2014/ 30/ EU, 2014/ 35/ EU

• Suitable for ATEX Zones 2 and 22
• Electrochemical gas sensor
• Range: 0...100, 0...300, 0...1000, 0...5000 ppm NH3
• Resolution: 1 ppm
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -40...+50 °C
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Stable long-life pellistor (catalytic bead) sensor
• Range: 0...15% vol. (0…100% LEL)
• Resolution: 0.1% vol. or 1% LEL
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -10...+50 °C
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Stable long-life photoacoustic or optical NDIR sensor
• Range: 0...10 000 ppm / 0...40 000 ppm / 0...5 % vol (0...100 % on request)
• Resolution: 1 ppm / 10 ppm / 0.01 % vol. CO2
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -40...+60 °C; 0….100 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Stable long-life electrochemical sensor
• Range: 0...300 or 0...1000 ppm
• Resolution: 1 ppm
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -20...+50 °C; 0….90 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Detected gases: hydrogen, methane, acetylene, propane, butane
• Default calibration: methane CH4
• Stable long-life metal-oxide / pellistor sensor
• Range: 0...100% LEL
• Resolution: 0,1 / 1 % LEL
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -40...+70 °C; ≤ 95 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Stable long-life electrochemical sensor
• Range: 0...10 / 0...200 / 0...1500 ppm
• Resolution: 0,1 / 1 ppm
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -40...+50 °C; up to 100 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Detectable gases: R-12, R-123, R-125, R-134a, R-143, R-22, R-404a, R-407c, R-410a, R-507, R-514a, R-1234ze and similar
• Stable long-life metal-oxide sensor
• Range: 0…1000 / 0…2500 ppm
• Resolution: 1 ppm
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -30...+60 °C; < 95 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Stable long-life electrochemical sensor
• Range: 0...100 ppm, 0...2000 ppm H2S
• Resolution: 1 ppm H2S
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -40...+50 °C; 15…90 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Stable long-life metal-oxide / pellistor sensor
• Range: 0...100% LEL CH4
• Resolution: 0,1 / 1 % LEL CH4
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -40...+70 °C; ≤ 95 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Stable long-life electrochemical sensor
• Range: 0…250 ppm
• Resolution: 1 ppm
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -30...+50 °C; 15…90 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC

• Suitable for ATEX Zones 2 and 22
• Stable long-life optical NDIR sensor
• Range: 0…1000 ppm
• Resolution: 1 ppm
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST)
• Operating temperature: -20...+50 °C; 0…95 % RH; 0,9…1,1 atm.
• Supply: 12...36 VDC (default), 24 VAC or 230 VAC