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• Electrochemical gas sensor
• Range: 0...25 % O₂
• Resolution: 0,01 % O₂
• 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: -30...+50 °C
• Supply: 12...36 VDC, 24 VAC or 230 VAC

The instrument uses a pH/ORP sensor and RTD Pt100 temperature sensors. If the Pt100 is connected the transmitter makes automatic temperature compensation (pH only).

• pH range: 0 ÷ 14.00 pH
• ORP range: 0 ÷ 1000 / 0 ÷ -1000 / -1000 ÷1000 / 0 ÷ 2000 / 0 ÷ -2000 mV
• Temperature range: -10.0 ÷ 110.0 °C / 14.0 ÷ 230.0 °F
• Resolution: 0.01 pH, 1 mV, 0.1 °C
• Digital output: RS-485 isolated
• Analog output: 4-20 mA galvanically isolated, "current loop" two wires
• Power supply: 9 / 36 Vdc
• Dimensions: 71x95x58 mm. Rail Din (4 modules)
• Operating temperature: 0…+50 °
• EMC/RFI conformity: EN 61326

pH electrode sensors (glass, epoxy body and submersible)

Phase voltage controller PKF-302. The device is designed for electric motor protection from asymmetric supply and grid voltage drop. The controller has two switch outputs of which one is used for protective shutdown and another for alarm. Simplified type 333 variant.

• Channels: Shutdown and alarm
• Supply: 3x (50...230...265)V. Max 2,5W
• Frequency: 40...50...60 Hz
• Indicator: 3 x LED 3 digits
• Measuring mode: True RMS
• Activation voltage: 185 V
• Reset voltage: 195 V
• Activation time: about 1s
• Reset time: 1...999 s (optional 4 or 6 s)
• Switch outputs: 2 x switching 2A, 250V AC
• Ambient temperature: -15°C...55°C
• Mounting: 35 mm rail
• Protection class: panel IP40; connections IP20

Phase voltage controller PKF-333SZE. The device is designed for electric motor protection from asymmetric supply and grid voltage drop or overvoltage and automatic UPS activation. The controller monitors voltage phase angles and harmonic distortions due to generated high harmonics.

Phase voltage controller PKF-333SZR. The device is designed for electric motor protection from asymmetric supply and grid voltage drop or overvoltage and automatic UPS activation. The controller monitors voltage phase angles and harmonic distortions due to generated high harmonics.

• Power factor controller for reactive power compensation
• Measures 73 power network parameters (40 visible on screen, all via Modbus RTU)
• Relay outputs: 4 / 6 / 8
• Programmable switch in time, switch off time and discharge time
• Alarm message and relay output
• Optional digital output: Modbus RTU (RS-485)
• Optional real time clock (RTC)
• LCD screen
• Operating temperature: -10...+60 °C
• Protection class (front): IP54

• Measures and records parameters in 3 and 4-wire, 3-phase, balanced or unbalanced power network
• Up to 500 electrical network quality parameters according to EN 50160, EN 61000-4-30, standards
• Measuring class A or A / S
• Support the IEC 60870-5-104 communication protocol (new - option)
• Analysis of voltage and current harmonics and interharmonics (up to the 51-st)
• Monitoring up to 6 additional energy meters with pulse output
• Recording of measurements before and after events (dips & swells)
• Configurable archives of logged values and events
• SD card support (up to 32 GB)
• Webserver function, FTP server, DHCP client
• Outputs: relays, binary, analog
• Binary inputs
• E-mail alarms
• Interfaces: RS-485 Modbus slave, Ethernet 100 Base-T (Modbus TCP server), USB device and host
• Color touchscreen: LCD TFT 5.6“
• Many data representation modes (i.e. digital display, analog, bar graph, vector diagram)
• IP65 protection class for front side
• Real time clock (RTC) synchronization with NPT time server
• Time synchronization via external GPS module - STR  receiver (new - option)

• The MQTT protocol is ideal for communication in distributed acquisition systems data (IoT applications)
• Measures 54 power network parameters (up to 63-rd harmonic, in 1- and 3-phase network)
• Color LCD TFT 3,5” display
• Additional 2 pages for harmonics presentation and 1 dedicated page for visualization in the form of an analog meter
• Display pages are fully configurable by user (10 pages. 8 parameters in each)
• 2 configurable alarm outputs
• Digital RS-485 Modbus output
• Optional: 0/4...20 mA output and 2xPt100 inputs
• Optional: logging of 32 parameters into internal 8 GB memory
• Modbus TCP/IP, HTTP, WWW server, FTP server, DHCP client

• Measures 16 power network parameters (1- and 3-phase network)
• Digital output: Modbus RTU (RS-485)
• Pulse outputs: 2
• Direct current measurement for up to 1/5 A
• Complies with EU directive 2004/22/EC annexes B and D (MID)
• On the MID Version, you can only program the CT Rate ONCE!
  The second time you set it up, the device will lock up and you will have to send it to the manufacturer for a reset.
• Backlit screen
• Operating temperature: -25...55 °C
• Protection class: IP51

• Measures 16 power network parameters (1- and 3-phase network)
• Digital output: Modbus RTU (RS-485)
• Pulse outputs: 2
• Direct current measurement for up to 100 A
• Complies with EU directive 2004/22/EC annexes B and D (MID)
• On the MID Version, you can only program the CT Rate ONCE!
  The second time you set it up, the device will lock up and you will have to send it to the manufacturer for a reset.
• Backlit screen
• Operating temperature: -25...55 °C
• Protection class: IP51

Measurement of 54 power network parameters, including current and voltage harmonics up to 63rd in 1-phase 2-wire or 3-phase 3 or 4-wire balanced and unbalanced systems

• High accuracy class (0.2S for active energy)
• Interface: RS-485 (Modbus RTU 8N2,8E1,8O1,8N1)
• Graphical color display: LCD TFT 3,5’’, 320 x 240 pixels, fully configurable by a user (10 screens, 8 parameters in each)
• Additional 2 screens for harmonics presentation and 1 dedicated screen for visualization in the form of an analog meter
• Memory of minimum and maximum values
• 2 configurable alarm outputs
• Supervisory relay mode for alarm outputs
• Password protection
• Programming of parameters using free eCon software
• Battery backup RTC
• Supply: 85...253 V ac / 90...300 V dc
• Operating temperature: -10…23…+55 °C
• Overall dimensions: 96 x 96 x 77 mm

The small sensor dimension combined with IO-Link, the pressure and temperature value of the media make the NAI 8273 the ideal choice in various applications.

• Measuring range: -0.2...0.2 to 0...700 bar
• Output signal: IO-Link 1.1, COM3, min. process cycle time 1 ms, Smart Sensor Profile ED2, 2 Switching outputs PNP / NPN
• Accuracy at 25°C typically: ± 0.3 % FS typ., ± 0.5 % FS typ.
• Measuring principle: Thin-film-on-steel
• Media temperature –40... +125 °C
• Ambient temperature: –40...+125 °C
• Protection class: IP65, IP67
• Applications: Hydraulics, Machine tools, Process technology

Destined for direct (up to 63A) and indirect measurements in 3 phase 4 wire/3 wire balanced and unbalanced systems. For direct (up to 63A) and indirect measurement (x/1A or x/5A). Indications considering values of programmed ratios.

Reactive power controller RMB-10S. The device is designed for reactive power compensation battery control. Version with 6 switch outputs is available.

• For R-12, R-123, R-125, R134a, R143, R-22, R404a, R-407c, R-410a, etc.
• Default calibration R-404a
• Range 0...1000 ppm
• Resolution 1 ppm
• Outputs 2 switches, 2 x 4...20 mA / 0...10 V, RS-485

• MOS gas sensor
• Detected gases: R-12, R-123, R-125, R-134a, R-143, R-22, R-404a, R-407c, R-410a, R1234yf, etc.
• Standard calibration: R-404a
• Range: 0...1000 ppm HFC
• Resolution: 1 ppm HFC
• 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: -30...+60 °C
• Supply: 11..30 VDC / 24 VAC arba 90...265 VAC

• Output relay: SPDT / 3A / 250VAC
• Application: level sensing for solids and powder
• Speed: 1 RPM
• Supply: 24 VDC or 220 VAC
• Operating temperature: - 10...+ 70 °C
• Operating pressure: - 0,6...+ 0,6 bar
• Protection class: IP66

• Sludge and sand detection
• Oil on water surface detection
• Designed for usage in separators, basins and tanks
• Easy to install, does not need calibration
• Reliable long-term se in harshest conditions
• Acoustic and visual alarms
• 2 switch outputs
• ATEX certified
• Wall-mounted
• Supply: 230 VAC, 50/60 Hz

• SandSet-1000 is designed for sludge and sand detection in separators, basins and tanks
• Easy to install, does not need calibration
• Reliable long-term se in harshest conditions
• Acoustic and visual alarms
• 2 switch outputs or output to LabkoNet remote monitoring system
• Ultrasonic sensor SET/S, 5 meter cable
• ATEX certified
• Wall-mounted, IP67
• Supply: 230 VAC, 50/60 Hz

• Relay output
• Smoke sensitivity complies with EN 54-7:2000+ A1:2002
• Digital signal processing
• Very low current consumption
• Excellent long-term stability
• LED indication
• Supply: 10...30 VDC
• Warranty: 3 years

• Separator alarm system for applications where mains supply is not available
• ATEX certified
• Alarms:
  • high level detection
  • oil on water surface detection
  • sludge under water detection
• SolarSet Beacon consists of:
  • housing containing and panel
  • battery
  • charger controller
  • flashing beacon for alarm
  • sludge and oil level sensor system LevelSet S

• Separator alarm system for applications where mains supply is not available
• ATEX certified
• Alarms:

• high level detection

• oil on water surface detection

• sludge under water detection

• SolarSet Beacon consists of:

• housing containing and panel

• battery

• charger controller

• GSM/GPRS modem

• flashing beacon for alarm

• sludge and oil level sensor system LevelSet S

• Separator alarm system for applications where mains supply is not available
• ATEX certified
• Alarms:
  • high level detection
  • oil on water surface detection
  • sludge under water detection
• SolarSet Beacon consists of:
  • housing containing and panel
  • battery
  • charger controller
  • GSM/GPRS modem
  • sludge and oil level sensor system LevelSet S

For on-line measurements of air pollution or combustion gases flow in chimneys or flues.

• Stable long-life electrochemical cell
• Range 0...50 / 0...2000 ppm SO2
• Resolution < 0,1 / 1,5 ppm SO2
• Outputs 2 switches, 2 x 4...20 mA / 0...10 V, RS-485
• Default alarm set-points 2 / 5 ppm SO2
• Attached or remote sensor

• Stable long-life electrochemical cell
• Range 0...50 / 0...2000 ppm SO2
• Resolution 0,1 / 1,5 ppm SO2
• Outputs 2 x 4...20 mA / 0...10 V, RS-485
• Attached or remote sensor

• Electrochemical gas sensor
• Range: 0...50 ppm SO₂ / 0...2000 ppm SO₂
• Resolution: 0,1 ppm SO₂ / 1,5 ppm SO₂
• 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: -30...+50 °C
• Supply: 11..30 VDC / 24 VAC or 90...265

• Temperature measurement range: -100…+300 °C
• Accuracy: ±0.07 °C (-10…+100 °C); ±0.15 °C (+101…+150 °C); otherwise ±0.4 °C
• Resolution: 0.01 °C
• Memory: 32 000 readings
• Power supply: battery 3.6V 1/2AA
• Operating temperature: -30…+70°C
• Protection class: IP65
• Wall mount available as optional accessory

• Temperature measurement range: -100…+300 °C
• Accuracy: ±0.07 °C (-10…+100 °C); ±0.15 °C (+101…+150 °C); otherwise ±0.4 °C
• Resolution: 0.01 °C
• Memory: 32 000 readings
• Power supply: battery 3.7V 1/2AA (Charging time: 1,5 h)
• Operating temperature: -30…+70°C
• Protection class: IP65
• Wall mount available as optional accessory

TJ-1V sensor is convenient for installation on pipes with staples. For HVAC systems.

• Measurement range: -30...+105 °C
• Sensor type: PT100, PT1000, PTC, NTC, Ni1000, TC K
• Sensor measurement material: brass
• Cable of two or three wires with PVC isolation. Cable length: on request

The TJ-S temperature sensor is permanently connected to a cable and designed for measuring temperatures from -50°C to 400°C.

Various cable lengths are available.

• Sensor type: PT100, PT1000, NTC, Thermocouples K, J
• Measuring range: -50…+400 °C
• Operating temperature:
  • -30...+70 °C (PVC isolation)
  • -50...+180 °C (Silicone isolation)
  • -50...+400 °C, kabelio -50...+250 °C (Teflon isolation)
  • -50...+400 °C, kabelio -50...+400 °C (Fiberglass isolation)
• Cable and connection: 2, 3, 4 wire
• Sensor tube:
  • Material: Stainless steel 316 (1.4401)
  • Diameter: Ø4 mm
  • Length: 120 mm

• Temperature sensor TJ1TE – NTC10k3B HVAC developed for air conditioning devices and heating, ventilation, (HVAC) systems
• Measurement range: -30…+105 °C
• Sensor: NTC; Rnom = 10 kΩ at +25 °C; steepness β = 3977 (+25...+85 °C)
• Accuracy: enhanced accuracy ± 0.2 % in range 0...+75 °C, in the rest ± 1 %
• Measuring part housing: PVC; dimensions 4,5 x 90 mm
• Cable of two wire with PVC insulation: standard lengths - 0,1 m; 1,5 m; 3 m; 6 m
• Protection class: IP54
• Fastening with rubber sleeve and / or flange holder according to the drawing (see drawing above)

• Input: RTD: Pt100 (3-wire), TC: J, K N
• Output: IO-Link
• Configuration: via IO-Link
• Operating temperature: -20...+80 °C
• Supply 24 VDC

• Input: RTD: Pt100 (3-wire), TC: J, K N
• Output: IO-Link
• Configuration: via IO-Link
• Operating temperature: -20...+80 °C
• Supply 24 VDC

Capillary thermometer TXC is designed for temperature measurement from -200 to +800 °C. Capillary parameters, diameter and length of measuring element, measurement dial range, process connection, contact type and other parameters must be chosen from the catalogue. 

Stainless steel thermometer TXR is designed for temperature measurement from -200 to +800 °C. Diameter and length of measuring element, measurement dial range, process connection, contact type and other parameters must be chosen from the catalogue. 

• Designed to measure the thickness of non-magnetic layers
• Can be used for construction, ships, tanks, piping, boilers, vehicles protective layer quality control
• High accuracy in wide temperature (with compensation) range using the same probe
• Fit for work outside
• Certificate of calibration included

• Simultaneous detection of two gases (please ask for available gas combinations and possible limitations)
• Switch output: 4 x SPDT (2 for each sensor)
• Alarms: LED indicators and buzzers (85 dB)
• Supply: 24 VDC/VAC / 90...265 VAC
• Protection class: IP65

Traditional U-shaped with easily controlled zero point. For air and non-aggressive gasses.

• Range: -500...500 Pa

SV23 Sensor help customers monitor spaces where cameras cannot be deployed and get insight into environmental conditions that cameras cannot detect. From protecting school bathrooms against bullying and vaping to gathering real-time insight into air quality conditions like carbon dioxide levels.

• Measurement objects:
  • Vape index – for vape smoke detection, range: 0…100
  • PM2.5 - concentration of particulate matter, range: 0…10000 μg/m3
  • TVOC index, range: 0…500
  • Motion detection – FoV (field of view): 120 °
  • Noise – range 20…120 dB
  • CO2 (carbon dioxide) – range: 0…40000 ppm
  • AQI (Air quality Index) - range: 0…500
  • Temperature – range: -5…+45 °C
  • Humidity – range: 0…95 % (non-condensing)
• Cloud Storage: up to 365 days
• Connectivity: RJ-45 cable connector for Network / PoE powering IEEE 802.3af
• Receive alerts for offline sensor and device tampering
• Operating temperature range: -5…+45 °C

Fluid manometer for air and non-aggressive gasses – high quality pressure meter for narrow temperature ranges.

• Range: 0…10 kPa

• For toluene, xylene, ethanol, etc.
• Default calibration toluene
• Stable long-life metal-oxide sensor
• Range 0...100 % LEL
• Resolution 3 ppm LEL
• Outputs 2 relays, 2 x 4...20 mA / 0...10 V, RS-485
• Default alarm set-points 20 % / 50 % LEL
• Remote probe option

• For toluene, xylene and ethanol
• Default calibration toluene
• Stable long-life metal-oxide sensor
• Range 0...100 % LEL
• Resolution 0,1 % LEL
• Outputs 2 relays with switch-over contacts
• Default alarm set-points 10 % / 25 % LEL
• Visual and acoustic alarms

• For toluene, xylene and ethanol
• Default calibration toluene
• Long-life metal-oxide sensor
• Range 0...100 % LEL (0...1 % vol) toluene
• Resolution 3 ppm toluene
• Outputs 2 relays, 2 x 4...20 mA / 0...10 V, RS-485
• Default alarm set-points 20 % / 50 % LEL
• Acoustic alarm

• For toluene, xylene, ethanol, etc.
• Default calibration toluene
• Long-life metal-oxide sensor
• Range 0...100 % LEL
• Resolution 3 ppm toluene
• Outputs 2 x 4...20 mA / 0...10 V, RS-485
• Remote probe option

• For toluene, xylene, ethanol and 2-propanol
• Default calibration toluene
• Stable long-life metal-oxide sensor
• Range: 0...100 % LEL or 0…500 ppm
• Resolution 0,1 % LEL or 1 ppm
• Outputs: 2 relays with switch-over contacts
• Acoustic and visual alarms