Large Service Contractors

381 products or recommendations for Large Service Contractors
  • testo 925 - Type K Thermometer

    Order-Nr. 0560 9250

    Testo 925 Type K thermocouple thermometer, audible alarm, with battery and calibration document
    • 1 channel measuring instrument with optional radio probe

    • Hold button to freeze reading

    • Continuous display of max/min values

    • An audible alarm sounds when limit values are exceeded

    $ 116.10
    excl. tax
  • testo Smart Probes AC & refrigeration test kit -  *Discontinued Short Range Version*

    Order-Nr. 0563 0002 02

    The testo Smart Probes AC / Refrigeration test kit is ideally suited for testing air conditioning and refrigeration systems and installing them. The large testo HVAC softcase enables the measuring instruments to be conveniently transported and ensures that they are always to hand when they are needed.
    *NOTE: This Smart Probes kit is the Short Range (50 ft), Discontinued Version
    • Fast and simple installation of the testo 549i high-pressure measuring instrument directly onto the pressure connection

    • Low refrigerant loss thanks to hoseless application

    • Automatic calculation of evaporation and condensation temperatures and simple selection from more than 90 refrigerants via testo Smart Probes App

    • Large testo HVAC softcase: store additional testo Smart Probes for further applications in the heating, air conditioning and ventilation field safely

    $ 225.00
    excl. tax
  • testo 425 - Hot wire anemometer

    Order-Nr. 0560 4251

    The testo 425 hot wire anemometer can measure cubic feet per minute (CFM) when conducting duct testing, as well as easily switch between flow and temperature readings. The telescoping handle of the thermal probe on this CFM meter makes it easy to reach ductwork above your head.
    • Telescoping hot wire probe

    • Measures velocity, volume flow (CFM), and temperature

    • Timed and multi-point average flow calculations

    • Auto-off function saves battery life

    $ 517.50
    excl. tax
  • testo 625 - Thermohygrometer

    Order-Nr. 0563 6251

    The testo 625 thermohygrometer comes into its own in all situations where the right indoor climate is crucial, like in archives, storerooms, buildings, and greenhouses. Calculates the dew point and wet bulb temperature quickly and accurately.
    • Measures air temperature / RH

    • Calculates dew point / wet bulb temperature

    • Displays min/max values, hold function, power off mode

    • Integrated long-life humidity sensor for long lasting quality

    $ 260.10
    excl. tax
  • testo 540 - Light meter

    Order-Nr. 0560 0540

    The testo 540 light meter is a quick and easy to use entry level model for measuring lighting conditions in the workplace.
    • For quick and easy measurements in the workplace

    • Sensor based on the spectral sensitivity of the human eye

    • Hold function, min/max values

    • Protective cap for safe storage

    $ 153.00
    excl. tax
  • testo 606-1 - Moisture meter

    Order-Nr. 0560 6060

    The testo 606-1 moisture meter measures the moisture content of wood, walls, and many other surfaces and materials. Ideal for professionals and private users.
    • Precise moisture measurements in wood / cement etc.

    • Characteristic curves for wood / building materials

    • Hold function: freezes the last reading for convenient use

    • Backlit display for use in all lighting conditions

    $ 108.00
    excl. tax
  • testo 405 - Pocket-sized thermal anemometer

    Order-Nr. 0560 4053

    Use the testo 405 thermal anemometer to measure air velocity, volumetric flow, and air temperature. It is suitable for carrying out quick check measurements in ventilation ducts, and for measuring the air velocity in rooms, such as at drafty windows.
    • Volume flow calculation of up to 99,990 m3/h

    • Easily read data at any angle with rotating display

    • Telescopic handle up to 300 mm

    • Ideal for measurements in ducts

    $ 148.50
    excl. tax
  • testo 606-2 - Moisture meter

    Order-Nr. 0560 6062

    The testo 606-2 moisture meter measures the moisture content in wood, building materials, and the surrounding environment. This allows you to check storage and drying conditions quickly and easily.
    • Ram electrodes guarantee precise moisture measurements in wood / building materials

    • Ideal for carrying out RH / air temperature measurements for checking storage and drying

    • Identifying and preventing problems using dew point / wet bulb calculations

    • Easy to use / backlit display for all lighting conditions

    $ 188.10
    excl. tax
  • testo 416 - Small vane anemometer

    Order-Nr. 0560 4160

    The testo 416 small vane anemometer (air flow meter) accurately and easily measures air velocity and volume flow (CFM) for in-duct and a variety of HVAC applications above 120 fpm. As vane technology is inherently air density independent, the testo 416 handheld digital vane anemometer provides repeatable and reliable readings test after test.
    • Small (0.63 inch) vane for in-duct measurement

    • Direct display of volume flow (CFM)

    • Multi-point and timed average calculations make fast and simple work of duct traverses

    • Bright backlit display provides easy viewing in any environment

    $ 571.50
    excl. tax
  • testo 110 - One-channel temperature measuring instrument

    Order-Nr. 0560 1108

    Cold storage rooms, cold storage warehouses, outdoors: the testo 110 digital temperature meter shows what it’s really made of when temperatures start to drop. Thanks to NTC technology, it can measure temperatures in very low temperature environments.
    • Extremely accurate in very low temperature ranges, i.e. cold storage rooms

    • Optional connectable temperature sensor and wireless sensor for different applications in the field

    • Audible alarm, user-defined thresholds

    • HACCP compliant, certified according to EN 13485 for use in the food sector

    $ 128.00
    excl. tax
  • testo 610 - Pocket-sized air humidity measuring instrument

    Order-Nr. 0560 0610

    The handy testo 610 thermohygrometer allows for measurement of temperature and humidity in indoor areas. In addition, this compact instrument can also calculate the dew point and the wet bulb temperature.
    • Long term stable Testo humidity sensor

    • +/-2.5% RH accuracy

    • Dewpoint calculation and wet bulb included

    • Protective cap for safe storage

    $ 157.50
    excl. tax
  • testo 810 - Pocket-sized temperature measuring instrument

    Order-Nr. 0560 0810

    The testo 810 infrared thermometer allows for the simultaneous measurement of the air temperature and surface temperature of the object being measured – without contact. This infrared temperature measuring instrument automatically displays the temperature difference. This makes it particularly suitable for use in the heating, ventilation, and air conditioning trades.
    • Infrared measurement with 1-point laser sighting and 6:1 optics ratio

    • Display of differential temperature, such as between a window and air

    • Hold function and min./max. values

    • Display illumination

    $ 91.80
    excl. tax
  • testo 922 - Digital temperature meter

    Order-Nr. 0560 9221

    Temperature measurements, measurements with up to three temperature sensors, direct display of temperature differences: the testo 922 digital temperature meter is ideal for professional use in the fields of heating, plumbing and air conditioning.
    • Temperature measurements / temperature difference display

    • Wide measuring range from -58 °to 1832 °F

    • Connecting points for two type K temperature sensors and wireless connectivity for a third temperature sensor

    • Wide range of optional sensors

    $ 161.10
    excl. tax
  • testo 745 - Non-contact voltage tester with built-in flashlight

    Order-Nr. 0590 7450

    The testo 745 non-contact voltage (NCV) tester quickly checks for the presence of voltage in AC powered systems.  It can be safely used up to 1000 V AC.  When AC voltage is detected, the testo 745 gives an indication, by flashing its red LED tip, and buzzing its internal audible buzzer.  You can easily determine the hot and neutral legs of an outlet, without the time consuming and risky removal of the outlet from the outlet box.
    • Two sensitivity levels, with audible and visual indication

    • Flashing LED indicates sensitivity range, down to 12 V AC, or standard range above 50 V AC

    • Differentiates hot from neutral in AC outlets

    • Low pass filter reduces false indications

    $ 30.00
    excl. tax
  • testo 417 Kit - Rotating Vane Anemometer

    Order-Nr. 0563 4171

    With readings of up to 4,000 fpm and the attached large vane, the testo 417 rotating vane anemometer kit is ideal for collecting reliable measurements for air velocity, CFM, and temperature at both supply and return grills. The included soft carrying case ensures the air flow meter is protected against light drops and the elements.
    • Soft carrying case for worry-free transportation

    • Air velocity, CFM, and temperature measurements

    • Multi-point and timed average calculations for in-duct readings

    • Bright backlit display provides easy viewing in any environment

    $ 565.00
    excl. tax
  • testo 605-H1 - Compact thermal hygrometer

    Order-Nr. 0560 6053

    The testo 605-H1 thermal hygrometer is capable of precise measurements of air humidity and air temperature, as well as calculations of dewpoint temperature. The testo 605-H1 is ideally suited for duct measurements, due to its slim form factor and ability to be read from multiple angles, with a rotatable probe.
    • Slim form factor is convenient for duct or ambient measurements

    • Resilient Testo patented humidity sensor ensures long life

    • Rotating display allows for easy reading of measurements

    • Quick response sensor provides fast readout of measurements

    $ 112.50
    excl. tax
  • 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

    $ 170.10
    excl. tax
  • testo 511 - Pocket-sized absolute pressure measuring instrument

    Order-Nr. 0560 0511

    Small, handy, and practical, the testo 511 absolute pressure meter is also suitable for measuring the barometric altitude between two points.
    • High-precision absolute pressure measurement, with an accuracy of ±3 hPa

    • Suitable for barometric altitude measurements

    • Calculates barometric air pressure

    • 8 pressure units available, including Pa, hPa, mbar, mmHg, mmH2O, inHg, inH2O, and psi

    $ 197.10
    excl. tax
  • testo 835-H1 - Infrared thermometer and moisture meter

    Order-Nr. 0560 8353

    Non-contact temperature and moisture measurements using only one device. The testo 835-H1 infrared thermometer measures the air temperature, and has an intergrated moisture sensor for measuring moisture, too.
    • Measures temperature / moisture / dew point

    • Calculates surface moisture content

    • Easy to follow menu guide, memory of up to 200 readings, data analysis with free to download software

    • 4-point laser and 50:1 optics for precise measurements, even over long distances

    $ 375.00
    excl. tax
  • testo 922 HVAC/R Set - temperature measuring instrument

    Order-Nr. 0563 9222

    The testo 922 temperature measuring instrument now comes in a HVAC/R Set set that includes two surface temperature probes and a handy bag – ideal for measuring differential temperature in heating engineering, in the sanitation sector and in refrigeration and air conditioning technology.
    • Temperature measurement and direct display of differential temperature 

    • Surface temperature probes with Velcro: enables easy attachment of the probe to pipes

    • The measuring instrument and the two surface temperature probes can be safely stored in the handy bag

    • This set is immediately ready for use for your temperature measurements in the sanitary and HVAC/R sector

    $ 309.60
    excl. tax
381 Products found
Show More