Transmitters

• 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

Temperature transducers P4141, P4121, P4151, P4131, P4161, P4171, P4191 with 4...20 mA output and Pt1000 input.

P4121 – P4171 class transducers are designed to convert RTD Pt1000 (3850ppm/°C) signal to current. These transducers have 4...20 mA output. RTD sensor Pt1000 is not included.

• 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)

Compact sensor VA 525 for measuring compressed air or nitrogen inline.

• 4...20 mA and pulse or a Modbus RTU (RS 485) interface as standard
• Optional interfaces such as Modbus TCP (Ethernet), PoE, M-Bus available
• Pressure range up to 16 bar
• Temperature range up to 60°C
• For speeds up to 224 Nm/s
• Integrated display to show the measured values
• Available from 1/4" to 2''
• Settings adjustable via the keys of the display
• Main counter can be reset via the display

• Input: potentiometer / 0...10 V / 4...20 mA / 3,33 mV/V / 2 mV/V / 2.5 mV/V / CANopen
• Analog output: none / 0...10 V / 0...5 V / 0,5...4,5 V / 0...20 mA / 4...20 mA
• Relay output: 2 units
• Communication interface: none / RS-232 / RS-485 / USB / CANopen
• Invertible analogue output (10...0 V, 20...0 mA)
• Fast and easy parameter configuration via USB
• Optional tare function (scaling to zero)
• Supply: 220 VAC / 24 VAC/DC
• Operating temperature: 0...50 °C
• Protection class: IP60 (front)

• Input: potentiometer / 0...10 V / 4...20 mA / 3,33 mV/V / 2 mV/V / 2.5 mV/V / CANopen
• Temperature input: none / Pt100 / Pt1000 / thermocouple
• Analog output: none / 0...10 V / 0...5 V / 0,5...4,5 V / 0...20 mA / 4...20 mA
• Relay output: 3 units
• Communication interface: none / RS-232 / RS-485 / USB / CANopen
• Invertible analogue output (10...0 V, 20...0 mA)
• Fast and easy parameter configuration via USB
• Optional tare function (scaling to zero)
• Supply: 220 VAC / 24 VAC/DC
• Operating temperature: 0...50 °C
• Protection class: IP60 (front)

• Input: potentiometer / 0...10 V / 4...20 mA / 3,33 mV/V / 2 mV/V / 2.5 mV/V / CANopen
• Analog output: none / 0...10 V / 0...5 V / 0,5...4,5 V / 0...20 mA / 4...20 mA (optional: double output)
• Relay output: 4 units
• Communication interface: none / RS-232 / RS-485 / USB / CANopen
• Invertible analogue output (10...0 V, 20...0 mA)
• Fast and easy parameter configuration via USB
• Optional tare function (scaling to zero)
• Supply: 220 VAC / 24 VAC/DC
• Operating temperature: 0...50 °C
• Protection class: IP60 (front)

Converter PD8 is designed for data transfer from devices with RS-485 port to Ethernet network. The device comes in two versions. First version is used with network service Real Port. In this case, the Master role is taken by PC with installed software, creating a parallel port. Software (i.e. Lumel Energy) ensures data transfer between devices with RS-485 port and one PC.

Second version (parallel bridge with UDP protocol) enables the sextension of data transfer system using additional PD8 converters and local Ethernet network. Variant with two converters or one with many (max. 65) converts is available.

• Current (AC / DC) transducer T23CT with 4...20 mA output
• AC/DC current input (single option): up to 50 / 100 / 150 / 200 / 300 A
• Optional mounting on DIN rail
• Galvanic isolation
• Supply: 24 VDC
• Ambient temperature: -25...+55 °C
• Protection class: IP65, IP40 for terminals

• To measure air and neutral gases pressure in range -10 000...10 000 Pa
• Configuration with switches or software: measuring ranges, units, outputs settings
• Housing with simplified mounting system
• Optional with display or without display
• Range: -10 000...10 000 Pa
• Accuracy: ± 1.5 % of reading ± 3 mmH2O
• Resolution: 1 Pa; 0.1 mmH2O; 0.01 mbar; 0.01 inWG; 0.01 mmHG; 0.1 daPa; 0.001 kPa
• Measurement units: Pa, mmH2O, inWG, mmHG, daPa, kPa, hPa, mbar
• Response time: 0.3 s
• Output (Optional):0-10 V ir 4-20 mA; 4-20 mA
• Overpressure tolerated: 69 000 Pa
• Conditions of use: 0…+50 °C. In non-condensing condition
• Communication to PC: USB-mini DIN cable
• Protection: IP65
• Power supply (Optional): 24 V AC / V DC; 16 / 30 V DC

• To measure air and neutral gases pressure in range -100...100 Pa
• Solenoid valve for auto-calibration: frequency 1…60 min
• Configuration with switches or software: measuring ranges, units, outputs settings
• Housing with simplified mounting system
• Optional with display or without display
• Range: -100...100 Pa
• Accuracy: ± 1 % of reading ± 2 Pa
• Resolution: 1 Pa; 0.1 mmH2O; 0.01 mbar; 0.01 inWG; 0.01 mmHG; 0.1 daPa; 0.001 kPa
• Measurement units: Pa, mmH2O, inWG, mmHG, daPa, kPa, hPa, mbar
• Response time: 0.3 s
• Output: 0-10 V and 4-20 mA
• Overpressure tolerated: 21 000 Pa
• Conditions of use: 0…+50 °C. In non-condensing condition
• Communication to PC: USB-mini DIN cable
• Protection: IP65
• Power supply: 24 V AC / V DC

• To measure air and neutral gases pressure in range -1000...1000 Pa
• Configuration with switches or software: measuring ranges, units, outputs settings
• Housing with simplified mounting system
• Optional with display or without display
• Range: -1000...1000 Pa
• Accuracy: ± 1.5 % of reading ± 3 Pa
• Resolution: 1 Pa; 0.1 mmH2O; 0.01 mbar; 0.01 inWG; 0.01 mmHG; 0.1 daPa; 0.001 kPa
• Measurement units: Pa, mmH2O, inWG, mmHG, daPa, kPa, hPa, mbar
• Response time: 0.3 s
• Output (Optional): 0-10 V ir 4-20 mA: 4-20 mA
• Overpressure tolerated: 21 000 Pa
• Conditions of use: 0…+50 °C. In non-condensing condition
• Communication to PC: USB-mini DIN cable
• Protection: IP65
• Power supply (Optional): 24 V AC / V DC: 16 / 30 V DC

• To measure air and neutral gases pressure in range -2000...2000 mbar
• Configuration with switches or software: measuring ranges, units, outputs settings
• Housing with simplified mounting system
• Optional with display or without display
• Range: -2000...2000 mbar
• Accuracy: ± 1.5 % of reading ± 3 mbar
• Resolution: 1 mbar; 0.1 inWG; 1 mmHG; 1 mmH2O; 1 hPa; 10 daPa; 0.1 kPa; 0.1 PSI
• Measurement units: mbar, inWG, mmHG, PSI, mmH2O, daPa, hPa, kPa
• Response time: 0.3 s
• Output (Optional): 0-10 V ir 4-20 mA; 4-20 mA
• Overpressure tolerated: 4100 mbar
• Conditions of use: 0…+50 °C. In non-condensing condition
• Communication to PC: USB-mini DIN cable
• Protection: IP65
• Power supply (Optional): 24 V AC / V DC: 16 / 30 V DC

• To measure air and neutral gases pressure in range -500...500 mbar
• Configuration with switches or software: measuring ranges, units, outputs settings
• Housing with simplified mounting system
• Optional with display or without display
• Range: -500...500 mbar
• Accuracy: ± 1.5 % of reading ± 3 mbar
• Resolution: 1 mbar; 0.1 inWG; 1 mmHG; 1 mmH2O; 1 hPa; 10 daPa; 0.1 kPa; 0.1 PSI
• Measurement units: mbar, inWG, mmHG, PSI, mmH2O, daPa, hPa, kPa
• Response time: 0.3 s
• Output (Optional): 0-10 V ir 4-20 mA; 4-20 mA
• Overpressure tolerated: 1400 mbar
• Conditions of use: 0…+50 °C. In non-condensing condition
• Communication to PC: USB-mini DIN cable
• Protection: IP65
• Power supply (Optional): 24 V AC / V DC; 16 / 30 V DC

• PID controller
• 2 set points (SP), chosen by binary input
• Pressure measurement range: -250...2500 Pa
• Output: 0...10 V
• Input: NTC10, NTC20, Pt1000, Ni1000
• LCD screen
• Temperature compensation
• Allowed overpressure: 25 kPa
• Supply: 24 VDC/VAC
• Operating temperature: -20...+50°C
• Protection class: IP54

• Maximal pressure measurement range: 0...2500 Pa
• 8 field selectable measurement ranges (via jumper)
• Output: 4...20 mA
• Option: LCD screen
• Allowed overpressure: 25 kPa
• Supply: 10...35 VDC
• Operating temperature: -10...+50°C
• Protection class: IP54

• Two pressure transmitters in one device
• Pressure measurement range: -250...2500 / -250...7000 Pa
• Option: DPT-DUAL-MOD-AHU – with air flow transmitter
• Output: Modbus RTU
• Allowed overpressure: 25 kPa
• Supply: 24 VDC/VAC
• Operating temperature: -20...+50°C
• Protection class: IP54

• Pressure measurement range: -250...2500 / -250...7000 Pa
• Input: 2 x  0...10 V, NTC10k, Pt1000, Ni1000, binary
• Output: Modbus RTU
• Temperature compensation in range of 0...50 °C
• Allowed overpressure: 25 kPa
• Supply: 24 VDC/VAC
• Operating temperature: -20...+50°C
• Protection class: IP54

Differential pressure transmitter with Modbus interface DPT-MOD-2000, DPT-MOD-3000 and DPT-MOD-5000 for usage in air and non-aggressive gasses.

Differential 8 range pressure transmitter DPT250, DPT2500 and DPT7000. Designed for usage in air and non-aggressive gasses.

• Input: differential pressure
• Typical areas of use are chemical industry and process engineering
• Measurement range: 75 mbar...70 bar
• Output: 4...20 mA HART
• Supply: 12...30 VDC
• Operating temperature: -40…+85 °C
• Protection class: IP65
• Process connection: 1/4-18NPT

• Pressure range: from 0...1 to 0...16 bar
• Output signal: 4 ... 20 mA (P1–P2)
• Process temperature: -25...+125 °C
• Process connection: G1/4" f
• Protection class: min. IP65

• PID controller
• Pressure measurement range: 0...2500 Pa / 0...7000 Pa
• Switchable between air flow and pressure measurement
• Output: 0...10 V / 4...20 mA
• Option: autozero function
• Allowed overpressure: 25 kPa
• Supply: 24 VDC
• Operating temperature: -20...+50°C
• Protection class: IP54

Duct temperature transducer with 4...20 mA output is built in a durable watertight case. The length of stainless steel stem is 120 mm. Calibration certificate is included.

Duct temperature transducer with 0...10 V output is built in a durable watertight case. The length of stainless steel stem is 120 mm. Output temperature range is user adjustable. Calibration certificate is included.

Utilizing unique dual-sensing technology, the device combines electromagnetic induction with an integrated ultrasonic sensor to provide highly accurate detection of both liquid level and flow velocity. Specifically optimized for partially filled pipes, open channels, and gravity-fed systems, the unit achieves an outstanding accuracy of ±1–2% of the actual flow rate.

• Internal pipe diameter: DN80…DN600
• Flow velocity (min. / max.): 0,46…7,5 m/s
• Accuracy: ± 1…2 % of actual flow (depends on flow profile and level detection)
• Process Temperature: 0…+70 °C
• Coating materials: hard rubber
• Maximum working pressure: No pressure (gravity flow) or 10 bar if pipe is full
• Output signal: 2× pulse / flow switch (max. 400 Hz), 4 ... 20 mA, 1× RS485 interface (Modbus / M-Bus protocol), M-Bus, HART, Ethernet module (TCP/IP, integrated web server)
• An optional IoT module allows measured values to be transmitted wirelessly via NB-IoT to the cloud
• Data archiving on a micro-SD card
• Process connections: flange
• Maximum ambient temperature: 55 °C
• Power supply: 24 V AC / DC, 230 V AC
• Protection class: IP68 for sensor, IP65-IP68 for transmitter

FLOW 55 datasheet [EN]

FLOW 38 MID version with certification, allowing the flow meter to be used for utility metering. FLOW 38 MID is certified for use with drinking water. The FLOW 38 MID electromagnetic flow rate meter is a precise measuring device designed to measure the flow of electrically conductive liquids.  The electronic unit (display) can be connected directly to the body (rotatable up to 350° for convenient viewing). Various process connection versions are available. A wide selection of materials for the internal surfaces in contact with the process medium allows the device to be adapted to various liquids.

• Internal pipe diameter: DN10…DN400
• Flow velocity (min./max.): 0,1…12 m/s (R40, R50)
• Accuracy: 0.2% in the 1:100 range, 0.5% in the 1:200 range
• Maximum medium temperature depending on the inner coating: 150 ℃
• Coating materials: rubber, teflon, ceramic
• Maximum working pressure: up to 16 bar
• Output signal: pulse, 4-20 mA, RS485 (Modbus RTU/ M-bus)
• An optional IoT module allows measured values to be transmitted wirelessly via NB-IoT to the cloud
• Process connections: Flange, Thread
• Maximum ambient temperature: 50 °C
• Power supply: 24 VAC/VDC, 110... 230 VAC
• Protection class: IP65, IP67, IP68

The FLOW 38 electromagnetic, bidirectional flow and flow rate meter is a precise measuring device designed to measure the flow of electrically conductive liquids. Due to the wide range of configurations available, this device is used in many industries. The electronic unit (display) can be connected directly to the body (rotatable up to 350° for convenient viewing) or connected via a cable up to 30 meters long. Various process connection versions are available. A wide selection of materials for the internal surfaces in contact with the process medium allows the device to be adapted to various liquids. FLOW 38 is certified for use with drinking water. There is also a version of the Flow38 with MID certification, allowing the flow meter to be used for utility metering.

• Internal pipe diameter: DN4-DN600
• Flow velocity - bidirectional (min./max.): 0.2…12 m/s
• Accuracy: 0.2% in the 1:100 range, 0.5% in the 1:200 range
• Maximum medium temperature depending on the inner coating: 150 ℃
• Coating materials: rubber, Rilsan, Teflon, ceramic
• Maximum working pressure: up to 100 bar
• Output signal: pulse, 4-20 mA, RS485 (Modbus RTU/ M-bus), Modbus TCP/ IP, HART
• An optional IoT module allows measured values to be transmitted wirelessly via NB-IoT to the cloud
• Process connections: Flange, Sandwich, Food grade fittings (clamp), Thread
• Maximum ambient temperature: 55 °C
• Power supply: 24 VAC/VDC, 110... 230 VAC
• Protection class: IP65, IP67, IP68

The FLOW45 electromagnetic flowmeter is equipped with a lithium battery, so it does not require an external power supply. The device has high accuracy in terms of full flow rate. Before each measurement, automatic diagnostics of all functions and parts necessary for proper measurement are performed. The device has a built-in empty pipe test and if there is no full flow, it will invalidate the entire measurement, as well as assess the flow direction and record the appropriate data.

• Internal pipe diameter: DN10…DN200
• Flow velocity (min. / max.), bidirectional: 0,2…12 m/s (1/60)
• Accuracy: 1 % for 1…10 m/s
• Maximum medium temperature depending on the inner coating: 150 ℃
• Coating materials: rubber (hard, soft, drinking water certified), Teflon, ceramic, Rilsan
• Maximum working pressure: up to 100 bar
• Output signal: pulse, RS485
• GSM data transmission module
• Data archiving on a micro SD card
• Process connections: flange, thread, sandwich, food grade
• Maximum ambient temperature: 5…55 °C
• Power supply: replaceable lithium battery (last up to 5 years) / external (12 V DC, max. 500 mA)
• Protection class: IP65, IP67, IP68

• Measurement of 85 power network parameters, including current and voltage harmonics up to 31st in 1-phase 2-wire or 3-phase 3 or 4-wire.
• Accuracy of active energy measurement 0.5S or 0.2S
• RS-485 (Modbus RTU) interface for remote monitoring of measured parameters
• The dual-tariff function for energy billing applications
• 2 relay outputs
• Pulse output: SO output as pulse or alarm
• 2 digital inputs as energy consumption, pulse counting and contact status
• Measured values displayed in 10 configurable screens
• Possibility programming of current and voltage ratio without restrictions as in MID-certified products
• Measurement inputs dedicated for x/1A and x/5A current transformers
• Power supply: 100…550 V a.c. / d.c.
• DIN rail mounted

• Analog inputs: 6 (0...10 VDC / 4...20 mA, configurable, isolated)
• Digital inputs: 4 (isolated)
• RS-485 input (up to 24 Modbus RTU registers)
• Memory: 70 000 values
• Ethernet connection
• Modbus RTU to Modbus TCP conversion
• Webserver
• Periodical upload of data logger file to a remote HTTP server
• HTTP Post, HTTP API
• SNMP alarms (up to 5 recipients)
• Operating temperature: -20...55 °C
• Warranty: 3 years
• Supply: 10...28 VDC

• Ethernet connection
• Analog inputs: 2 (0...10 VDC)
• Digital inputs: 2
• Relay outputs: 2 (NO/NC)
• 1-Wire input (up to 8 sensors)
• Memory: 70 000 values
• Modbus TCP/IP support
• Webserver
• XML/JSON, HTTP API commands
• SNMP alarms (up to 5 recipients)
• E-mail alarms (up to 5 recipients)
• Operating temperature: -20...55 °C
• Warranty: 3 years
• Supply: 10...28 VDC

• Ethernet connection
• Modbus TCP/IP
• Digital inputs: 4
• 1-Wire input (up to 8 sensors)
• Analog inputs: 4 (0...60 VDC)
• Relay outputs: 4 (NO/NC)
• Configurable inputs
• Webserver
• HTTP Post, HTTP API
• E-mail alarms (up to 5 recipients), SMT with TLS support
• Operating temperature: -20...55 °C
• Warranty: 3 years
• Supply: 10...28 VDC

• 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