portable measuring by testo
High pressure measuring instrument testo 549i

testo 549i – High pressure measuring instrument operated by smartphone

Type: Smart Probe testo 549i

technical features

Smart Probe testo 549i – High pressure measuring instrument operated by smartphone:
  • For service and troubleshooting on air conditioning and refrigeration systems, as well as for installing them
  • Measurement of high and low pressure
  • Low refrigerant loss – since no hoses are required for measurements
  • Measurement data displayed in the form of a graph or table, and sent via testo Smart Probes App
  • Problem-free application at measuring points that are a long distance apart thanks to Bluetooth® range up to 100 m
  • The professional and compact testo 549i high-pressure gauge can be controlled via the testo Smart Probes App using your smartphone or tablet, and is ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems. The App also enables evaporation and condensation temperatures to be calculated automatically

Differential pressure measuring instrument testo 510i

testo 510i – Differential pressure measuring instrument operated by smartphone

Type: Smart Probe testo 510i

technical features

Smart Probe testo 510i – Differential pressure measuring instrument operated by smartphone:
  • Measures differential pressure, air flow velocity and volume flow
  • Measurement of gas flow and static pressure
  • Measurement menu for pressure drop test including alerts
  • Simple configuration and determination of volume flow with Pitot tube
  • Magnetic holder for easy attachment
  • Handy and intelligent: the compact testo 510i differential pressure measuring instrument featuring professional measuring technology and smartphone operation for measuring differential pressure, air flow velocity and volume flow. Readings can be viewed conveniently on your smartphone/tablet via the testo Smart Probes App and emailed directly

Vane anemometer testo 410i

testo 410i – Vane anemometer operated by smartphone

Type: Smart Probe testo 410i

technical features

Smart Probe testo 410i – Vane anemometer operated by smartphone:
  • For air flow velocities, temperatures and volume flows at air outlets
  • Measurement of air velocity, volume flow and temperature
  • Display of the volume flow of multiple outlets in order to adjust systems
  • Easy parametrization of the outlet (dimension and geometry)
  • Convenient viewing of readings on a smartphone/tablet with the testo Smart Probes App
  • Professional measuring technology in a small format: the compact testo 410i vane anemometer with smartphone operation measures the volume flow, air velocity and temperature at air outlets quickly and reliably. The testo Smart Probes App enables readings to be viewed conveniently and offers intelligent additional functions

Thermal anemometer testo 405i

testo 405i – Thermal anemometer operated by smartphone

Type: Smart Probe testo 405i

technical features

Smart Probe testo 405i – Thermal anemometer operated by smartphone:
  • For the measurement of air flow velocities, temperatures and volume flows in ventilation ducts
  • For measuring volume flow, air velocity and temperature
  • Simple configuration of the dimension and geometry of the duct cross-section for determining the volume flow
  • Convenient for working in ventilation ducts thanks to its telescopic tube, which can be extended up to 400 mm
  • Really convenient to operate thanks to the testo Smart Probes App (e.g. easy viewing of readings, measurement data trend, log function)
  • With the testo 405i hot wire anemometer, you can measure air velocities, temperatures and volume flows. Via Bluetooth, the readings are transmitted wirelessly straight to the testo Smart Probes App on your smartphone or tablet. You can view the values conveniently and use numerous intelligent features

Thermohygrometer testo 605i

testo 605i – Thermohygrometer operated by smartphone

Type: Smart Probe testo 605i

technical features

Smart Probe testo 605i – Thermohygrometer operated by smartphone:
  • For the measurement of air temperature and humidity in rooms and ducts
  • Measurement of air humidity and temperature in rooms and ducts
  • Automatic calculation of the dew point and wet bulb temperature via testo Smart Probes App
  • Measurement data analyzed and sent via testo Smart Probes App
  • Problem-free application at measuring points that are a long distance apart thanks to Bluetooth® range up to 100 m
  • The compact testo 605i temperature and humidity measuring instrument with bendable probe head features professional measuring technology in an intelligent format: it can be used in conjunction with a smartphone/tablet and the testo Smart Probes App to reliably measure air temperature and humidity in rooms and ducts

Infrared thermometer testo 805i

testo 805i – Infrared thermometer operated by smartphone

Type: Smart Probe testo 805i

technical features

Smart Probe testo 805i – Infrared thermometer operated by smartphone:
  • For the non-contact measurement of wall, fuse and component temperatures of air conditioning systems
  • Non-contact infrared measurement of surface temperature
  • Easy selection of emission level via stored materials list
  • Highly visible marking of the measuring spot thanks to 8-point laser
  • Image documentation with readings and measuring spot marking
  • Carry out non-contact and App-controlled measurement of wall temperatures, as well as fuse and component temperatures in air conditioning systems: with the professional testo 805i infrared thermometer with 8-point laser circle for highly visible measuring spot marking

Thermometer testo 905i

testo 905i – Thermometer operated by smartphone

Type: Smart Probe testo 905i

technical features

Smart Probe testo 905i – Thermometer operated by smartphone:
  • Measures ambient temperatures and temperatures in ducts and at air outlets
  • Rapid detection of temperature change via graphical progress display
  • Measuring range -50 to +150 °C
  • Measurement data analyzed and sent via testo Smart Probes App
  • Check ambient temperatures and temperatures in ducts and at air outlets quickly, easily and professionally: with the testo 905i thermometer, which is optimized for your smartphone, nothing could be simpler

Clamp thermometer testo 115i

testo 115i – Clamp thermometer operated by smartphone

Type: Smart Probe testo 115i

technical features

Smart Probe testo 115i – Clamp thermometer operated by smartphone:
  • For servicing air conditioning and refrigeration systems and measuring flow and return temperatures
  • Convenient temperature measurement on refrigeration, air conditioning and heating systems – thanks to wireless connection to your smartphone or tablet
  • Fast identification of temperature changes by graphic progression display
  • Measurement data analyzed and sent via testo Smart Probes App
  • Problem-free application at measuring points that are a long distance apart thanks to Bluetooth® range up to 100 m
  • Combined with a smartphone or tablet, the testo 115i clamp thermometer is the ideal temperature measuring instrument for carrying out servicing and troubleshooting on refrigeration, air conditioning and heating systems, as well as for installing them. It can also be used to measure flow and return temperatures

Smart Probes Mould kit

Smart Probes - Mould kit

Content:
1 x Thermohygrometer testo 605i
1 x Infrared thermometer testo 805i
1 x testo Smart Case (Climate)

technical features

Smart Probes Mould kit:
  • Identify mould risk at an early stage using the testo Smart Probes App
  • Measuring point marking with laser function
  • Display and evaluation of the mould risk with the aid of traffic light colours
  • Transmission and analysis of measurement data including photo documentation via testo Smart Probes App
  • Measurement of air humidity and temperature in rooms and ducts
  • Automatic calculation of the dew point and wet bulb temperature via testo Smart Probes App
  • Non-contact infrared measurement of surface temperature
  • Easy selection of emission level via stored materials list

Smart Probes HVAC ultimate kit

Smart Probes - HVAC ultimate kit

Content:
2 x Clamp thermometer testo 115i
2 x High-pressure gauge testo 549i
2 x Thermohygrometer testo 605i
1 x Thermometer testo 905i
1 x Infrared thermometer testo 805i
1 x Thermal anemometer testo 405i
1 x Vane anemometer testo 410i
1 x Differential pressure measuring instrument testo 510i
1 x testo HVAC softcase

technical features

Smart Probes HVAC/R Ultimate kit:
  • For all measurements involving heating, air-conditioning, refrigeration and ventilation systems
  • All Smart Probes for temperature, pressure, humidity and flow in one kit
  • Display of measurement data progression as a graph or table
  • Transmission and analysis of measurement data via testo Smart Probes App

Thermal imager 885-2 Set

testo Thermal imager 885-2 Set

type: testo 885-2 Set

technical features

  • Detector size: 320 x 240 pixels
  • SuperResolution technology with 640 x 480 pixels
  • Thermal sensitivity < 30 mK
  • Flexibility thanks to its rotating handle and rotating, fold-out display
  • Exchangeable lenses
  • Measurement mode for detecting mould-risk areas
  • High temperature measurement up to 1,200 °C
  • Panorama image assistant
  • SiteRecognition technology

Smart Probes VAC kit

Smart Probes - VAC kit

Content:
thermal anemometer testo 405i 
van anemometer testo 410i
thermohygrometer testo 605i
infrared thermometer testo 805i

technical features

Smart Probes VAC kit:
  • For the measurement of air and surface temperature, humidity, air flow velocity and volume flow
  • Application-specific menus: Volume flow measurements in ducts and at outlets, identification of mould danger, easy image documentation incl. IR temperature measurement value and measurement spot marking; determination of the refrigeration/heating performance
  • Easy parameterization of the outlet/duct cross-section
  • Fast image documentation with IR temperature measurement values and measurement spot marking
  • Measurement data analyzed and sent via testo Smart Probes App
  • including testo Smart Case for transport

Smart Probes Refrigeration kit

Smart Probes - Refrigeration kit

Content:
2 x high pressure measuring instrument testo 549i |
2 x clamp thermometer testo 115i

technical features

Smart Probes Refrigeration set:
  • Compact pro measuring instrument from the Testo Smart Probes series for use with smartphones/tablets
  • Application-specific menus: Target superheating, superheating and sub-cooling
  • All necessary measuring instruments for refrigeration applications in one set
  • Fast and easy installation at a pressure connection or the temperature measurement location
  • Low refrigerant loss thanks to hoseless application
  • Measurement data analyzed and sent via testo Smart Probes App
  • including testo Smart Case for transport

Smart Probes Heating kit

Smart Probes - Heating kit

Content:
clamp thermometer testo 115i |
differential pressure measuring instrument testo 510i |
infrared thermometer testo 805i

Technical Features

  • Smart Probes Heating kit:
  • All necessary instruments for non-contact temperature measurement and the measurement of flow and return temperature, as well as gas flow pressure
  • With the heating set, you measure and check all temperatures and pressures in a heating system.
  • It is ideal for important measuring tasks performed by heating engineers
  • Measurement data analyzed and sent via testo Smart Probes App
  • Measurement data analysis as a table or graph
  • including testo Smart Case for transport

Temperature Data-Logger

Temperature Data-Logger

type: TESTO 175-Serie

technical features

The Series 175 are compact data logger for temperature measurement.

Product benefits 175-T1
  • 1-channel with internal temperature sensor
  • Display of current value, last storing,
  • Min / max values​​, limits number deviations
  • Non-volatile data memory
  • Documentation via infrared interface
  • Accessories
Product benefits 175-T2
  • 2-channel temperature sensor with 1 internal and 1 external sensor input
  • Display of current value,
  • Last memory, min / max values​​, limits number of deviations
  • Collect data in the device evaluation on a PC
  • Various external temperature sensor
  • Accessories
Product benefits 175-T3
  • 2-channel with 2 sensor inputs external
  • Especially suitable for high and low temperatures,
  • Reading the data by pressing a button
  • Data analysis in table / graph
  • Alarm, transmission of exceedances
  • Interface for data transfer
  • Various external temperature sensor
  • Accessories

Temperature Data-Logger for professionals

Temperature Data-Logger for professionals

type: testo 177-Serie

technical features

The 177 Series are compact professional data logger for temperature measurement.

Product benefits 177-T1
  • 1-channel with internal temperature sensor
  • A maximum of 48,000 measured values
  • Documentation via infrared interface
  • Available with data collector evaluation on a PC
  • Without display
  • Accessories
Product benefits 177-T2
  • 1-channel with internal temperature sensor
  • Large display for latest value, last saving, min / max values​​, limits number of deviations
  • Non-volatile data memory
  • Documentation via infrared interface
  • Collect data in the device evaluation on a PC
  • Accessories
Product benefits 177-T3
  • 3-channel temperature sensor with 1 internal and 2 external sensor input
  • Connection of a door contact
  • Read out data without interrupting the measurement series
  • Data analysis in table / graph
  • Complete documentation for years
  • Recording of up to 48,000 measured values;
  • Various external temperature sensor
  • Accessories
Product benefits 177-T4
  • 4-channel with 4 external sensor input
  • Especially suitable for high and low temperatures
  • Read out data without interrupting the measurement series
  • Data analysis in table / graph
  • Collect data in the device evaluation on a PC
  • Records up to 48,000 readings;
  • Various external temperature sensor
  • Accessories

Clime humidity transmitter

Humidity transmitter

type: testo 6621

technical features

  • Accuracy of ±2.5 % RH
  • Wall or duct version, option of 2-line LCD display
  • Commissioning and maintenance through external interface (mini-DIN) and Testo P2A software saves time
  • Testo humidity sensor with long-term stability
  • High-quality design
  • Optimum calibration concept with adjustment of entire signal chain, including analog adjustment, without dismantling the transmitter
  • 1-point adjustment can be performed on-site easily and quickly using t400 or t650
  •  2-point adjustment using Testo P2A software
  •  Parameterizing, adjusting and analyzing software (P2A) for setting up, adjusting and analyzing the transmitter
  • Parameterization of unit and scale
  • Adjustment (1-point, 2-point, analog adjustment)
  • Reset to factory settings
  • Testing of analog outputs
  • Requesting of max./min. values
  • Parameterization and adjustment history (all activities of the P2A software are registered in the PC)
  • Serial number and firmware version can be called up
  • 2 analog outputs (% RH & °C or °F)

humidity transmitter

Humidity transmitter 6651

type: testo 6651

technical features

The humidity transmitter for critical air conditions with digital, replaceable probe.
  • Accuracy up to ±1.7 % RH
  • Digital probe of the 6600 instruments: can be calibrated and exchanged and is equipped with its own order number
  • Wall, duct and cable probes, can be configured upon customer request and are heat resistant up to +120 °C
  • Highest availability by means of early warnings, e.g. in the event of sensor failure, condensation etc. (preventative maintenance)
  • Different assembly variants:
  • Wall-mounted version
  • Duct version
  • Probe version

humidity and temperature measurement

Humidity and temperature measurement

type: testo 635-1 / -2

technical features

The universal measuring device for measuring humidity, value, material equilibrium moisture and for measuring pressure dewpoint in compressed air system.

product advantages

  • Connection of 3 wireless probes - expression on Testo report printer
  • Indication of dew point, minimum-, maximum- and average-values ​​- Backlit display
  • Degree of protection IP54

additionally at 635-2

  • Measurement memory
  • PC software
  • USB data transfer cable

accessories for 635-1 / -2

  • Humidity Sensor
  • Pressure dewpoint probe
  • Absolute pressure sensor
  • Air probe
  • Surface probe
  • Wireless probes (option)
  • Optional accessories

Multifunction meter for climate, ventilation, indoor air quality

Multifunction meter for climate, ventilation, indoor air quality

type: testo 435-Serie

technical features

A device for all measurements around the air conditioning: m3 / s, m / s, CO2,% RH, ° C, hPa and Lux. The choices are several variations, so that according to the application the right instrument can be selected.

Product benefits
  • Wide range of probes: IAQ probe to assess Indoor Air Quality (on CO2, Air temperature, air humidity and absolute pressure) / Thermal probes with integrated Temperature and humidity measurement / vane and hot wire / wireless probes for temperature
  • Easy operation with user profiles - expression on Testo report printer
  • Degree of protection IP54
additionally at 435-2
  • Data memory
  • PC software
  • USB data transfer cable
additionally at 435-3
  • With integrated differential pressure measurement

additionally at 435-4
  • Data memory
  • PC software
  • USB data transfer cable
  • With integrated differential pressure measurement
Accessories for Series 435
  • Flow sensors
  • Measuring funnel
  • Absolute pressure sensor
  • Air probe
  • Surface temperature measurement
  • Immersion-/penetration probes
  • Wireless Sensor
  • Optional Parts

temperature measurement

temperature measurement

type: testo 925 / 922

technical features

Universal temperature measuring instruments.

Product benefits
  • On-site printout on Testo report printer
  • Display minimum-, maximum- values
  • Backlit display
  • Hold button (value hold)
  • Wearing protective cover
Additionally at 925
  • 1-channel measuring instrument
  • Optional wireless probe
  • Audible alarm when limit exceeded
Additionally at 922
  • 2-channel measuring instrument
  • Optional wireless probe
  • Display difference temperature
  • Cyclical printing of measured values
Accessories for 925 and 922
  • Air Sensor
  • Surface probe
  • diving and penetration
  • Thermocouples
  • Various wireless sensors
  • Additional accessories

High-Precision Temperature Measurement

High-Precision Temperature Measurement

type: testo 735-1 / -2

technical features

Very accurate temperature measuring devices with connection of up to 6 temperature sensors.

Product benefits
  • Connection of: 1x Pt100, thermocouple 2x, 3x wireless probe
  • System accuracy up to 0.05 ° C
  • Printout on Testo report printer
  • Cyclical printing of measured values
  • PC software for analysis and documentation
  • Display, saves and prints minimum-, maximum-, and average values ​​of difference
  • Audible alarm when limit exceeded
  • IP65 Protection
  • Precise over entire measurement range
Additionally at 735-2
  • Instrument memory for up to 10000 readings
  • Recording of temperature variation
  • PC evaluation graphic / table
  • Creating a user profile
  • USB cable and software
Accessories for 735-1 and 735-2
  • Laboratory sensor
  • Air probe
  • Surface probe
  • Diving and penetration
  • Thermocouples
  • Food probe
  • Various wireless sensors
  • Additional accessories

Non-Contact Temperature Measurement

Non-Contact Temperature Measurement

type: testo 830-Serie

technical features

With the Series 830 non-contact temperature measurement from a distance is possible. The respective measuring point is marked on one-or two-point laser.

Product Benefits 830-series
  • Adjustable limit values ​​with alarm function
  • Display of current value and Hold value
  • Emissivity adjustable
  • 2 measurements per second
  • Accessories
additional 830-T1
  • 10: 1 optics
  • One-point laser marking
additional 830-T2
  • 12: 1 optics
  • Two-point laser marking
  • Sensor external connection
  • Emissivity determination (external sensor)
additional 830-T3
  • 2.5: 1 optics
  • Two-point laser marking
  • Connection of external contact Temperaturühler
additional 830-T4
  • 30: 1 optics
  • Two-point laser marking
  • connection of external sensors
  • Emissivity determination (external sensor)

products "Made in Germany"

Müller Industrie-Elektronik manufactures measuring devices, sensors, transmitters, limit switches, calibrators and digital displays for industrial measuring and control technology, transmitters and amplifiers for signal processing, display devices and evaluation instruments in the region Hannover at the company location Neustadt am Rübenberge. Services such as contract manufacturing, board production, cable assembly, 3D construction, prototype construction and measuring device calibration complete the extensive product portfolio.