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    Refrigeration technology

    Measuring temperature and humidity

    Temperature and humidity are both important test values during commissioning and also maintenance, for determining whether a refrigeration system or heat pump is in perfect condition.

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    Measuring temperature with the testo 925

    Temperature and humidity measuring instruments

    testo 605i
    testo 605i - Thermohygrometer operated via smartphone
    Measurement of air humidity and temperature in rooms and ducts
    Automatic calculation of the dew point and wet bulb temperature via testo Smart App
    Order no.0560 2605 02
    AED 507.14
    testo 915i temperature kit
    testo 915i temperature kit - Thermometer with temperature probes and smartphone operation
    Smart Probe for wireless temperature measurement in a wide range of applications, thanks to a large selection of probes and compatibility with standard type K thermocouple probes
    In the kit: testo 915 Smart Probe with secure locking mechanism for attaching probes, air probe, immersion/penetration probe and surface probe, (all TC Type K, Class 1), testo Smart Case
    Order no.0563 5915
    AED 825.25
    testo 915i
    testo 915i - Thermometer with immersion/penetration probe and smartphone operation
    Smart Probe for wireless temperature measurement in a wide range of applications, thanks to a large selection of probes and compatibility with standard type K thermocouple probes
    Robust, fast-response immersion/penetration probe (TC type K, class 1) with secure attachment via innovative locking mechanism in the handle, ideal for temperature measurements in liquids, pastes and semi-solid media, measuring range -50 to +400 °C
    Order no.0563 1915
    AED 488.70
    testo 915i
    testo 915i - Thermometer with surface probe and smartphone operation
    Smart Probe for wireless temperature measurement in a wide range of applications, thanks to a large selection of probes and compatibility with standard type K thermocouple probes
    Fast-response surface probe (TC type K, class 1) with sprung thermocouple strip and secure attachment via innovative locking mechanism in the handle, versatile even when it comes to non-planar surfaces, measuring range -50 to +350 °C
    Order no.0563 2915
    AED 511.75
    testo 915i
    testo 915i - Thermometer with air probe and smartphone operation
    Smart Probe for wireless temperature measurement in a wide range of applications, thanks to a large selection of probes and compatibility with standard type K thermocouple probes
    Robust, fast-response air temperature probe (TC type K, class 1) with secure attachment via innovative locking mechanism in the handle, ideal for measuring ambient temperature as well as temperatures in ducts and at air outlets, measuring range -50 to +400 °C
    Order no.0563 3915
    AED 465.65
    testo 915i
    testo 915i - Thermometer with flexible probe and smartphone operation
    Smart Probe for wireless temperature measurement in a wide range of applications, thanks to a large selection of probes and compatibility with standard type K thermocouple probes
    Flexible, fast-response temperature sensor (TC type K, class 1) with fibreglass-coated cable (800 mm long) and secure attachment via innovative locking mechanism in the handle, versatile, measuring range -50 to +400 °C
    Order no.0563 4915
    AED 433.37
    testo Smart App

    One App for all applications.

    The testo Smart App guides you quickly and easily through measurements on refrigeration, air conditioning and heating systems.

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    PRO measuring programs for increasing the efficiency of your applications

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    testo Smart App

    Multifunctional

    Compatible with all Bluetooth-enabled Testo measuring instruments

    Efficient

    Direct report dispatch by e-mail

    Fast

    All measurement values at a glance

    Easy

    Intuitive measurement menus

    Clever

    Free download, free use

    NEW

    PRO measuring programs

    Other applications

    Carrying out long-term measurements on refrigeration systems

    Manifolds and Smart Probes

    Find out more

    Refrigeration circuit control

    Efficient and reliable testing of systems

    Evacuating refrigeration systems

    Vacuum gauges

    Find out more

    Evacuating/ vacuum measurement

    Fully automatic evacuation and high-precision pressure measurement

    Charging refrigeration systems

    Refrigerant scales

    Find out more

    Charging

    Automatic and precise charging according to target value

    Detecting leaks in refrigeration systems

    Leak detectors

    Find out more

    Leakage testing/tightness test

    Reliable detection of the smallest leaks for all common refrigerants

    Testing electrical parameters in refrigeration systems

    Electrical measuring instruments

    Find out more

    Electrical testing

    Safe testing of all electrical parameters of equipment and components

    What’s new?

    Measurement technology for heat pumps

    With a digital manifold, you carry out the commissioning and servicing of heat pumps quickly, flexibly and precisely. The intuitive touchscreen, the clear visualization of the readings and the Bluetooth connection to the probes and testo Smart App all make measurement and documentation easier.

    • Pressure and temperature testing

    • Controlled refrigerant service

    • Easy tightness testing and evacuation

    Find out more
    Carrying out measurements on heat pumps

    All about refrigeration measuring technology

    Practical guide

    Refrigeration knowledge in three modules

    Download the exclusive practical guide for free now.

    To download
    Testo refrigeration knowledge

    Understanding refrigeration systems

    Evaluating refrigerants

    Thermodynamics

    Main components of the compression refrigeration circuit

    Subcooling / Superheating

    And much more ...

    The digital manifolds in use

    With the testo 558s, the system density can be assessed easily and reliably, thanks to the clear visualization of pressure values and temperature compensation.

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        Next upNext up:

        Thanks to the large colour display and wireless connection to the probes, all important parameters are visible at a glance. The 30-minute trend curves also ensure even more reliable analysis.

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