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Testo offers transmitters for various measurement parameters in automation technology applications. Our selection of measurement instruments include both optical and mechanical tachometers, along with stroboscopes for rpm measurement. What's more, you can purchase comfort level measuring instruments from us as well.

28 Products found
  • testo 6321 - testo 6321 Differential Pressure Transmitter

    Order-Nr. 0555 6321

    The perfect solution for automated air conditioning and ventilation applications at an affordable price. Measure differential pressure in industrial and commercial buildings, offices, schools, hotels, museums, restaurants, libraries and more!

    • Pressure transmitter for measuring differential pressure in the 100 Pa to 2 bar measuring range

    • Magnetic valve for automatic zero-point adjustment guarantees high temperature independent accuracy and long-term stability

    • Alignment and analysis save time and costs for commissioning and maintenance

    • Available with and without display

  • testo 6351 - High Accuracy Differential Pressure Transmitter

    Order-Nr. 0555 6351

    testo 6351 Differential Pressure Transmitter

    • Automatic zero-point adjustment guarantees high temperature-independent accuracy and long-term stability

    • Low measuring range down to 50 Pa ensures very high precision at the lowest pressures

    • Measurement of differential pressure, flow velocity and volume flow

    • Configurable alarm management with adjustable response delay and alarm acknowledgement
       

  • testo 6442 compressed air counter with integrated inflow/out... - Compressed air meter (DN25) for 0.75 to 225 m3/h

    Order-Nr. 0555 6442

    testo 6442 compressed air counter with integrated inflow/outflow, diameter DN25 (1), with analog, pulse and switch output

    • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs

    • Integrated totalling function (totaliser) for calculating the total consumption

    • High accuracy: defined inner diameter (DN25) enables adjustment to standard volumetric flow

    • Easy to install and to operate

  • testo 6448 compressed air counter for the determination, mon... - Compressed air meter with bar probe (DN40-250)

    Order-Nr. 0555 6448

    testo 6448 compressed air counter for the determination, monitoring and reporting of compressed air consumption

    • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs

    • Quick, safe assembly/disassembly of the bar probe thanks to reverse running protection and ball valve

    • Assembly of the whole transmitter possible under pressure

    • Easy operation with a variety of options (signal outputs, physical unit, etc.)

  • testo 6741 dewpoint transmitter to -45 °Ctd, withoutdisplay,... - Dew point transmitter

    Order-Nr. 0555 6741

    testo 6741 dewpoint transmitter to -45 °Ctd, withoutdisplay, process connection G1/2, analog output 4 to 20 mA, optional alarm plug with 2 switching outputs

    • Dew point transmitter with a measuring range of -45 °Ctd to + 30 °Ctd and G½ thread

    • Testo polymer humidity sensor with a high degree of accuracy and long-term stability

    • Freely scalable analog output (4 to 20 mA) and optional alarm plug with 2 integrated switching outputs

  • testo 6742 dewpoint transmitter to -45 °Ctd, withoutdisplay,... - Dew point transmitter

    Order-Nr. 0555 6742

    testo 6742 dewpoint transmitter to -45 °Ctd, withoutdisplay, process connection NPT 1/2, analog output 4 to 20 mA, optional alarm plug with 2 switching outputs

    • Dew point transmitter with a measuring range of -45 °Ctd to + 30 °Ctd and NTP½ thread

    • Testo polymer humidity sensor with a high degree of accuracy and long-term stability

    • Freely scalable analog output (4 to 20 mA) and optional alarm plug with 2 integrated switching outputs

  • testo 6743 dewpoint transmitter to -45 °Ctd, with display, p... - Dew point transmitter 

    Order-Nr. 0555 6743

    testo 6743 dewpoint transmitter to -45 °Ctd, with display, process connection G1/2, analog output 4 to 20 mA, optional alarm plug with 2 switching outputs

    • Dew point transmitter with a measuring range of -45 °Ctd to + 30 °Ctd, G½ thread and display

    • Testo polymer humidity sensor with a high degree of accuracy and long-term stability

    • Freely scalable analog output (4 to 20 mA) and optional alarm plug with 2 integrated switching outputs

  • testo 6744 dewpoint transmitter to -45 °Ctd, with display, p... - Dew point transmitter 

    Order-Nr. 0555 6744

    testo 6744 dewpoint transmitter to -45 °Ctd, with display, process connection NPT 1/2, analog output 4 ... 20 mA, optional alarm plug with 2 switching outputs

    • Dew point transmitter with a measuring range of -45 °Ctd to + 30 °Ctd, NTP½ thread and display

    • Testo polymer humidity sensor with a high degree of accuracy and long-term stability

    • Freely scalable analog output (4 to 20 mA) and optional alarm plug with 2 integrated switching outputs

  • testo 6443 compressed air counter with integrated inflow/out... - Compressed air meter (DN40) for 1.3 to 410 m3/h

    Order-Nr. 0555 6443

    testo 6443 compressed air counter with integrated inflow/outflow, diameter DN40 (1 1/2), with analog, pulse and switch output

    • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs

    • Integrated totalling function (totaliser) for calculating the total consumption

    • High accuracy: defined inner diameter (DN40) enables adjustment to standard volumetric flow

    • Easy to install and to operate

  • testo 6441 compressed air counter with integrated inflow/out... - Compressed air meter (DN15) for 0.25 to 75 m3/h

    Order-Nr. 0555 6441

    testo 6441 compressed air counter with integrated inflow/outflow, diameter DN15 (1/2), with analog, pulse and switch output

    • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs

    • Integrated totalling function (totaliser) for calculating the total consumption

    • High accuracy: defined inner diameter (DN15) enables adjustment to standard volumetric flow

    • Easy to install and to operate

  • testo 6444 compressed air counter with integrated inflow/out... - Compressed air meter (DN50) for 2.3 to 700 m3/h

    Order-Nr. 0555 6444

    testo 6444 compressed air counter with integrated inflow/outflow, diameter DN50 (2), with analog, pulse and switch output

    • Transmitter with selectable signal outputs: analog output, pulse output, 2 switching outputs

    • Integrated totalling function (totaliser) for calculating the total consumption

    • High accuracy: defined inner diameter (DN50) enables adjustment to standard volumetric flow

    • Easy to install and to operate

  • testo 460 - Tachometer

    Order-Nr. 0560 0460

    For carrying out non-contact rpm measurements, the testo 460 tachometer includes self-adhesive reflective markers, LED measurement spot marking, and further high-quality accessories.

    • Optical rpm measurements

    • LED measuring spot marking

    • Easy to read display / backlit for use in all lighting conditions

    • Comprehensive accessories: reflective markers / protective cap / belt bag

  • testo 6631 humidity/temperature transmitter for greenhouses ... - temperature/humidity transmitter

    Order-Nr. 0555 6631

    testo 6631 humidity/temperature transmitter for greenhouses and laboratories, accuracy ±2.5 %RH, selectable signal outputs, optional display, external interface for adjustment and setup, 2 analog outputs, integrated ventilator

    • Transmitter with precise Testo humidity sensor that has long-term stability (±2.5 % RH)

    • 2 analog outputs (humidity/temperature)

    • Integrated ventilator enables flow impact onto the sensor for recording an averaged climate in the greenhouse cell

    • Protection of electronics and sensor from humidity influences (such as sprinkler irrigation)

  • testo 6621 - Commercial HVAC Temperature/RH Transmitter

    Order-Nr. 0555 6621

    testo 6621 humidity-/temperature transmitter, accuracy ±2.0 %RH, wall or duct version, selectable signal outputs, optional display, external interface for adjustment and setup, 2 analog outputs

    • Transmitter with 2 analog outputs (temperature/humidity)

    • High-precision Testo humidity sensor with long-term stability

    • Adjustment without disassembling the transmitter

    • P2A software for parameterization, adjustment and analysis

  • testo 6383 - Differential Pressure Transmitter

    Order-Nr. 0555 6383

    testo 6383 differential pressure transmitter in cleanroom-conform panel design, optionally with humidity/temperature, accuracy ±0.3% of measuring range final value, automatic zero-point adjustment, selectable measuring range between 10 to 10hPa, selectable signal outputs, optional display, output of all relevant pressure and humidity parameters

    • Flat housing enables flush surface integration in the cleanroom wall

    • Low measuring range from 10 Pa ensures very high precision at the lowest pressures

    • Pressure transmitter for measuring differential pressure, as an option: humidity and temperature

    • Automatic zero-point adjustment guarantees high temperature-independent accuracy and long-term stability

  • testo 6651 - Temperature and Humidity Transmitter

    Order-Nr. 0555 6651

    testo 6651 humidity/temperature transmitter for critical climate, accuracy up to ±1.7 %RH (depends on the probe), selectable signal outputs, optional display, optional ethernet module, optional relay, 2 analog outputs

    • High-precision Testo humidity sensors with long-term stability (±1.7 % RH) can be ordered for the transmitter

    • Ethernet, relay and analog outputs enable optimum integration into individual automation systems

    • High-quality digital probes (can be ordered) and an intelligent calibration concept

    • Self-monitoring and an early warning function ensure high system availability

  • testo 6681 - Temperature and Humidity Transmitter

    Order-Nr. 0555 6681

    testo 6681 industrial humidity/temperature transmitter, accuracy up to ±1.0 %RH (depends on the probe), selectable signal outputs, optional display, optional ethernet or profibus module, output of all relevant humidity parameters, optional relay, optional 3rd analog output

    • High-precision Testo humidity sensor with long-term stability for high humidity applications (optional)

    • Ethernet, relay and analog outputs enable optimum integration into individual automation systems

    • High-quality digital probes and an intelligent calibration concept

    • Self-monitoring and an early warning function ensure high system availability

28 Products found
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