Air-conditioning systems maintenance

197 products or recommendations for Air-conditioning systems maintenance
  • testo 510 - Digital manometer

    Order-Nr. 0563 0510

    With the testo 510, performing system tests has never been easier using our single, easy to use, rugged, compact digital manometer. Its small form factor, bright backlit display, and magnetic backing will enable the 510 to be used in a wide variety of applications.

    • Temperature and air density compensation for accurate airflow measurements

    • Measures differential pressure to 40 in. H2O

    • Backlit display ensures easy readability in low light situations

    • Temperature compensated pressure sensor

  • testo 608-H1 - Thermal hygrometer

    Order-Nr. 0560 6081

    The testo 608-H1 thermal hygrometer enables you to have a continuous display of the current temperature and humidity values. This means you can always keep an eye on the indoor climate.

    • With dew point calculation and max/min display

    • Humidity sensor is not affected by condensation

    • Large, clear display

    • Durable quality: capacitive humidity sensor with long term stability for many years of measurement

  • 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

  • testo 830-T1 - Infrared thermometer with laser marking (10:1 optics)

    Order-Nr. 0560 8311

    The testo 830-T1 infrared thermometer allows for efficient, non-contact surface temperature measurements to be carried out. This IR thermometer will leave you well equipped, especially for control readings in trade and industry. The gun style design is easy to handle, and the integrated processor provides accurate measurement results.

    • Laser measurement point marker and large optics for exact measurement at greater distances

    • Fast recording of measurement values at two measurements per second

    • Hold function and display of min./max. values

    • Adjustable emission factor 0.1 to 1.0

  • 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

  • testo 830-T2 - Infrared thermometer with 2-point laser marking (12:1 optics)

    Order-Nr. 0560 8312

    The testo 830-T2 infrared thermometer enables you to carry out efficient, non-contact surface temperature measurements. This IR thermometer will ensure that you are well equipped, especially for undertaking control measurements in trade and industry. The gun style design is easy to handle, and the integrated processor provides accurate measurement results.

    • Infrared thermometer for non-contact surface temperature measurements

    • 12:1 optics and high resolution processor for accurate measurement results

    • Contact measurement possible with connectable temperature probe (TC type K)

    • Adjustable emission level

  • testo 608-H2 - Thermal hygrometer

    Order-Nr. 0560 6082

    The testo 608-H2 thermal hygrometer measures air temperature, humidity, and dew point, and has a large, easy to read display and a visual alarm that is activated when a threshold is exceeded.

    • Measures and displays temperature and humidity

    • Calculates and displays the dew point

    • LED alarm is activated when thresholds are exceeded

    • Long-lasting quality: long-time stable humidity sensor guarantees years of measuring

  • testo 405i - Hot-wire anemometer wireless Smart Probe

    Order-Nr. 0560 1405

    The testo 405i Smart Probe is a wireless instrument for measuring air flow velocity, temperature, and volume flow.  It is equipped with a telescopic shaft, which extends to 15” for easy in-duct testing.  You can reliably determine timed and multipoint flow traverses.

    • Measures air velocity, volume flow, and temperature

    • Measures in-duct air flow, and automatically calculates volume flow (simply enter the duct dimensions)

    • Small diameter (<0.5”) and 15” telescopic shaft length is ideal for in-duct flow averaging and timed traverse

    • Perform air duct leakage tests

  • testo Smart Probes VAC Set - Wireless Smart Probe Kit

    Order-Nr. 0563 0003

    The testo VAC Smart Probe Set provides a combination of four Smart Probe instruments, used with your smartphone or tablet to test and balance multi-outlet ventilation systems.  Two types of anemometers give you the capacity to measure in-duct air flow, and the flow from each vent.  Using the IR temperature probe for surface temperatures will show you motor and electrical equipment conditions, also allowing for easy checking of each outlet.  Lastly, the thermohygrometer provides an assessment of the humidity and dewpoint levels throughout the system.

    • Measures air velocity, temperature, relative humidity, wet bulb / dew point, and calculates volume flow

    • Kit includes instruments to measure, balance, troubleshoot, and optimize ventilation systems performance

    • RH & air flow measurements in-duct and at registers, viewed simultaneously in the testo Smart Probes app (405i, 410i, 605i)

    • App calculates system enthalpy with air flow & RH probes; app allows you to photograph objects with a smart device, capturing measurement marker and temperature values for reference and reporting (805i)

  • testo 510i - Differential pressure manometer wireless Smart Probe

    Order-Nr. 0560 1510

    The testo 510i Smart Probe is a wireless differential pressure probe used for accurate low-pressure measurements.  The testo 510i is great for measuring pressure in manifolds, static pressure, and pressure drops in buildings or ventilation systems.  Use it to measure the pressure drop across coils and filters, or in ducts and systems.

    • Measures static pressure, air flow, and volume flow (pitot tube not included)

    • Measures manifold pressure and pressure drop across filters and coils, and has a measurement menu in the Smart Probes app that includes pressure drop alarms

    • Easy configuration and calculations for volume flow (enter pitot tube factor and dimensions easily)

    • Magnetic back holds instrument for hands-free operation

  • 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

  • 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

  • testo 480 - Digital temperature and humidity meter

    Order-Nr. 0563 4800

    Air flow measurements in ventilation ducts, temperature measurements in laboratories, humidity measurements in production, pressure difference measurements in clean rooms – the testo 480 temperature and humidity meter comes with a wide range of optional sensors that allow you to measure, analyze, and log these and a variety of other parameters with only one device.

    • High quality optional sensors for measuring air flow / temperature / humidity / pressure / degree of turbulence / heat radiation / CO2 / illumination intensity / PMV / PPD / WBGT

    • High precision, integrated pressure difference sensor included

    • Pro-software for easy and efficient analysis and logging included

    • Intelligent calibration concept

  • testo 470 - Tachometer kit

    Order-Nr. 0563 0470

    One tachometer, multiple measurements: The testo 470 tachometer carries out rpm measurements on motors, shafts, fans, etc., but that’s not all. With this handy instrument, you can also determine speeds and lengths (of conveyor belts and rotors, for example).

    • Simple one-hand operation

    • Measurement of rpm, speeds and lengths

    • Storage of mean, max. and min. values as well as the last reading 

    • Includes accessories such as reflective markers, protective case and transport case

  • 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

  • testo 605i - Thermo-hygrometer wireless Smart Probe

    Order-Nr. 0560 1605

    The testo 605i Smart Probe is a humidity and temperature measuring instrument that quickly and accurately measures relative humidity, dew point, and temperature in rooms, ducts, registers, and environmental boxes and chambers.

    • Quickly and accurately measures relative humidity and temperature in rooms, ducts, and chambers

    • Automatically calculates dew point and wet bulb temperature

    • Small diameter probe is ideal for in-duct measurements

    • For all HVAC/R technicians and contractors

  • testo 410-2 - Vane anemometer with humidity measurement

    Order-Nr. 0560 4102

    The testo 410-2 handheld anemometer with humidity measures air flow, air temperature, and humidity quickly, easily, and accurately. The compact testo 410-2 air and humidity meter is ideal for fast comfort spot checks and timed averaging calculation.

    • Integrated RH sensor provides %rH, wet bulb, and dew point readings

    • Small 1.5 inch vane meter

    • Hold, Min, Max, and Timed averaging

    • Lens cover and leather belt case keep it protected - even in your tool box

  • testo 410-1 - Vane anemometer

    Order-Nr. 0560 4101

    The testo 410-1 pocket anemometer measures air flow and air temperature quickly, easily, and accurately. The integrated 1.5 inch vane makes this economical air flow instrument ideal for fast air velocity measurement spot checks.

    • Integrated, small 1.5 inch vane

    • Hold, Min, Max, and Timed averaging

    • Bright backlit display for easy viewing, no matter the environment

    • Lens cover and leather belt case keep it protected

  • testo 760-2 - Digital multimeter with type K and TRMS

    Order-Nr. 0590 7602

    In addition to the features of the testo 760-1, the testo 760-2 includes TRMS measurements, duty cycle, low pass filter, and temperature measuring functionalities.  Testo’s exclusive auto-test setup enables the user to simply turn the unit on, connect the leads, and begin measuring.  The testo 760-2 digital multimeter detects the lead connection, and prevents switching from V to A, or A to V, if the leads are not in the proper socket.  This prevents accidentally blowing the meter’s fuse because of incorrect connections.

    • Auto-test setup based upon lead connection prevents blown fuses in the meter

    • TRMS with low pass filter, duty cycle, and type K temperature measurement

    • Meter automatically detects testing in-process, and selects the correct meter configuration, saving time and optimizing accuracy

    • Measure up to 400 A with optional clamp probe adapter

  • testo 622 - Thermohygrometer and barometer

    Order-Nr. 0560 6220

    The testo 622 thermohygrometer and barometer is designed to provide you with an at-a-glance look at the air temperature, pressure, and RH. Ideal for monitoring the ambient air, especially in laboratories during calibration and experimental setups.

    • Measures air temperature / pressure / RH

    • Ideal for monitoring the air, especially in laboratories

    • Alarm alerts when threshold is exceeded

    • Table or wall mount

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