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  • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of relative humidity and air temperature in industrial exhaust air, bulk goods and climatic test cabinets

  • Precise: calculation of wet bulb temperature, dew point and absolute humidity

  • Robust: suitable for measurements in harsh environmental conditions up to +180 °C

  • Intelligent calibration concept

The testo 400 is the universal measuring instrument for all IAQ professionals. Measure, analyze and document all IAQ and comfort level parameters using just one instrument –simply, conveniently and in compliance with the standards. High- quality measuring technology, intuitive measurement assistants, versatile documentation options and a comprehensive selection of IAQ probes make the testo 400 the perfect partner for your day-to-day work.

Use the robust humidity/temperature probe with the testo multifunction measuring instrument (please order separa tely) to measure relative humidity and air temperature. Absolute humidity, wet bulb temperature and dew point are calculated at the same time.

RM0.00
  • Permanently connected telescopic sensor – maximum length 890 mm, diameter 16 mm
  • Airflow measurements, selective and time mean values for calculating air volume
  • Hold function; min/max display; auto power off
  • Calibration protocol and batteries included
  • Vane anemometer with telescopic sensor – ideal for carrying out airflow measurements in air ducts.
RM2,689.93
RM3,248.00
  • Compact anemometer with integrated 100 mm vane
  • For measuring air flow, volumetric flow rate and temperature
  • Ideal for carrying out measurements at air inlets and outlets
  • For carrying out measurements at disk valves, ventilation grilles and ceiling diffusers using optionally available accessories
RM1,948.48
RM2,468.00
  • Volume flow hood for larger swirl outlets for measuring volume flow, temperature and relative humidity
  • Impressively light with a weight of 2.9 kg
  • Precise measurement even at swirl outlets thanks to integrated volume flow straightener
  • Fast set-up, convenient operation and protocol creation on site using the App
RM11,899.00
RM13,208.00
  • Intuitive: clearly structured measurement menus for volume flow, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂

  • Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)

  • Clear overview: large graphic display with parallel display of 3 readings

  • Safe and reliable: internal data storage and USB port for data export

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements – thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

RM1,558.00
RM2,066.00
  • Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, humidity and temperature in ventilation ducts or at ventilation outlets

  • Clever: hot wire probe with telescope (0.85 m) – combine the vane probe (Ø 100 mm) with Bluetooth with the telescope for ceiling outlets or the funnel set for plate outlets (please order separately) as required
  • Convenient: wireless probe, internal data storage and USB port for data export
  • As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes
RM3,782.00
RM5,017.00
  • Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, humidity and temperature in ventilation ducts or at ventilation outlets

  • Clever: hot wire probe with telescope (0.85 m) – combine the vane probe (Ø 100 mm) with Bluetooth with the telescope for ceiling outlets or the funnel set for plate outlets (please order separately) as required
  • Convenient: wireless probe, internal data storage and USB port for data export
  • As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes
RM5,046.49
RM6,118.00
  • Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity and air temperature in indoor areas
  • Precise: absolute pressure compensation, calculation of wet bulb temperature, dew point and absolute humidity
  • Convenient: wireless probe, internal data storage and USB port for data export
  • As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes
RM4,138.35
RM5,481.00
  • Intuitive: clearly structured measurement menus for volume flow, K-factor, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂
  • Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)
  • Clear and reliable: large graphic display with parallel display of 3 readings as well as internal data storage and USB port for data export
  • Includes a differential pressure sensor: for Pitot tube measurement and monitoring filters

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features an integrated differential pressure sensor and intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements – thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

RM2,143.90
RM2,666.00
  • Differential pressure measurement from 0 to 100 hPa 

  • Flow measurement possible with a Pitot tube (available as an option)  

  • Magnets on the rear allow hands-free work 

  • 10 units to choose from, display in pascals can be selected 

RM798.94
RM950.00
  • All results at a glance thanks to the large graphic display

  • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class

  • Easy, wireless, flexible measurements and documentation: Temperature and vacuum measurements via automatic Bluetooth® connection, testo Smart App for documentation and lots more

  • In the kit: testo 550s smart digital manifold with Bluetooth and 2-way valve block, 2 x clamp temperature probes (fixed cable, NTC), case

RM1,983.00
RM2,577.00
  • All results at a glance thanks to the large graphic display

  • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class

  • Easy, wireless, flexible measurements and documentation: Temperature and vacuum measurements via automatic Bluetooth® connection, testo Smart App for documentation and lots more

  • In the kit: testo 550s smart digital manifold with Bluetooth and 2-way valve block, 2 x testo 115i wireless clamp temperature probes (Bluetooth, NTC), hose filling set with 3 hoses, case

RM2,434.91
RM2,705.45
  • Completely wireless measurements and all results at a glance: thanks to Bluetooth probes and large graphic display
  • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
  • Easy, wireless, flexible measurements and documentation: Temperature and vacuum measurements via automatic Bluetooth® connection, testo Smart App for documentation and lots more
  • In the kit: testo 557s smart digital manifold with Bluetooth and 4-way valve block, 1 x testo 552i wireless vacuum probe (Bluetooth), 2 x testo 115i wireless clamp temperature probes (Bluetooth, NTC), case
RM2,790.00
RM3,100.00
  • Completely wireless measurements and all results at a glance: thanks to Bluetooth probes and large graphic display

  • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class

  • Easy, wireless, flexible measurements and documentation: Temperature and vacuum measurements via automatic Bluetooth® connection, testo Smart App for documentation and lots more

  • In the kit: testo 557s smart digital manifold with Bluetooth and 4-way valve block, 1 x testo 552i wireless vacuum probe (Bluetooth), 2 x testo 115i wireless clamp temperature probes (Bluetooth, NTC), hose filling set with 4 hoses, case

RM3,109.10
RM3,454.55
  • Wireless measurement of refrigerant weight and operation with Testo manifolds and testo Smart App via Bluetooth

  • Automatic and precise refrigerant charging according to target superheat, subcooling and weight in combination with intelligent valve (sold separately)

  • All measured values for the charging process at a glance in the manifold and App with storage of the measured data in the App

  • Particularly handy thanks to compact housing, low weight, practical carrying handle and a robust shoulder bag

With the testo 560i wireless refrigerant scale, you can measure refrigerant weight quickly, precisely and conveniently. Use a Testo manifold and the testo Smart App on your smartphone/tablet for operation and measured value display after the scale has automatically connected to both via Bluetooth. Especially practical: with the scale and the separately available intelligent valve, you can charge refrigeration systems and heat pumps automatically and precisely.

RM1,251.00
RM1,390.01