Testo Heating Kit - Smart Tools


With the Testo Smart Tools Heating set, you can measure and check all heating system temperatures and pressures in conjunction with your smartphone. The robust testo Smart Case enables the measuring instruments to be conveniently transported and ensures that they are always to hand when needed. 

Product benefits:

  • Measurement of gas flow and static pressure
  • Non-contact temperature measurement on underfloor heating systems and radiators
  • Measurement menu for pressure drop test, including alerts via testo Smart Tools App 
  • Rapid image documentation with IR temperature readings and measuring spot marking

Product description

The compact heating set with the testo 115i clamp thermometer, the testo 510i differential pressure measuring instrument and the testo 805i infrared thermometer is ideal for important measuring tasks performed by heating engineers.

The advantages of the heating set

In conjunction with your Smartphone or Tablet, all heating system temperatures and pressures can be measured and checked. The handy testo Smart Case provides optimum protection for the measuring instruments and means that they are always to hand when they are needed.

Advantages and applications of the individual measuring instruments

testo 115i clamp thermometer
  • Particularly practical for temperature measurements at widely spaced measuring points
  • Measurement of the flow and return temperature

testo 510i differential pressure measuring instrument
  • Measurement of the differential pressure, as well as the gas flow pressure and static pressure
  • Pressure drop test
  • Measurement of the air flow velocity
  • Measurement of volume flow

testo 805i infrared thermometer
  • Laser circle to mark a measuring spot
  • Non-contact measurement of surface temperatures

Practical App with special functions for measurement data analysis on your Smartphone or Tablet

Measurement data is transmitted wirelessly from the relevant measuring instrument to the Smart Tools App and can be viewed conveniently on mobile terminal devices – either as a chart or in table form. The App also offers practical functions such as timed and multi-point mean calculation, volume flow configuration or a pressure drop test. The measurement data log can be emailed directly as a PDF or Excel file. This saves you time, allowing you to further increase your efficiency.

System requirements:
  • iOS 7.1 or later
  • Android 4.3 or later
  • Bluetooth 4.0 

What's included

testo Smart Tools – heating set for pressure and temperature measurement on heating systems. Consists of: testo 115i, testo 510i incl. hose set (Ø 4 mm and 5 mm) with adapter, testo 805i, testo Smart Case (heating), batteries, calibration protocol. 

Temperature - NTC

Technical data

Measuring range

-40 to +150 °C


±1.3 °C (-20 to +85 °C)


0.1 °C

Temperature - Infrared

Technical data

Measuring range

-30 to +250 °C


±1.5 °C or ±1.5 % of mv (0 to +250 °C)
±2 °C (-20 to -0.1 °C)
±2.5 °C (-30 to -20.1 °C)


0.1 °C


0.10 to 1.00

Measurement spot marking

Diffractive optics (laser circle)

Distance to measurment spot


Differential pressure (internal sensor) - Piezoresistive

Technical data

Measuring range

-150 to +150 hPa


±0.05 hPa (0 to +1 hPa)
±(0.2 hPa + 1.5 % of mv) (+1 to +150 hPa)


0.01 hPa

General technical data

Technical data

System requirements

requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0


2 years

Battery type

3 AAA micro batteries

Battery life

250 h (testo 115i); 150 h (testo 510i); 30 h (testo 805i)

Storage temperature

-20 to +60 °C


183 x 90 x 30 mm (testo 115i)
148 x 36 x 23 mm (testo 510i)
140 x 36 x 25 mm (testo 805i)

Operating temperature

-20 to +50 °C (testo 115i + testo 510i)
-10 to +50 °C (testo 805i)

More Information
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Brochure No
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