BP17 – pyrometer
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Pyrometer BP17

Infrared thermometer for non-contact surface temperature measurement

BP17 – measuring optics 10:1
BP17 – belt pouch
BP17 – infrared thermometer

Precise measuring results at the touch of a button

Whether we're talking about the commercial sector or the hobby sector − monitoring the surface temperature of electric devices, motors, cooling systems or walls is an important issue with regard to the subject of energy efficiency. Continuous temperature measurement can often already avoid greater damage and costly remediation work beforehand. As you do not have to touch the surfaces which might be too hot or cold, you always play it safe when carrying out measurements with infrared radiation.

With the pyrometer BP17, a reliable and precise surface thermometer is provided to you. Its infrared sensor supplies exact measuring results to you within a large temperature range from -50 °C to +380 °C. You can define a reference temperature beforehand, and possible deviations can be indicated by means of both visual and acoustical alarm signals. When setting the tolerance range, you can choose between 1 °C, 3 °C and 5 °C. In order to be really sure that you're actually recording the current temperature of the measured material when you carry out a non-contact surface measurement from the distance, and not a value from the environment, the pyrometer BP17 is equipped with a target laser which indicates the centre of the measured surface (optical resolution 10:1). In doing this, please note that the measured surface, i.e. the area in which the temperature values are recorded, is increased with an increasing distance.

The large, backlit display guarantees an excellent view of the measured values, even with poor light conditions, and the modern, ergonomic gun-style design allows for comfortable and fatigue-free handling. Convenient: The battery-powered measuring device switches off automatically when it is not used and thus reduces its already low power consumption. With the handy belt pouch, you can wear the pyrometer conveniently on your body and always have it at hand.

A variety of applications

A pyrometer can be used for checking the heat generated whilst the electrical devices are running permanently. Since the measurement result is at hand in a matter of seconds, temperature measurements can also easily be performed on moving objects. Where the subject of energy saving is concerned, you are furthermore provided with valuable information by checking windows, exterior walls and ceilings with regard to their thermal insulation properties. Further applications are for instance the monitoring of the motor and tire temperature of vehicles or motorcycles, the functional test of underfloor heating systems, or simply the temperature measurement of baby's feeding bottle or of the wine bottle. And in combination with a hygrometer for measuring the air humidity, you can quickly determine whether and where there are cold corners in your home, which pose an increased risk of a temperature drop below the dew point and therefore of mould formation by condensation water.

Visual and acoustic signals

If you want to check specific measurement values at regular intervals, you can preselect a reference temperature for this purpose and set tolerance thresholds from 1 °C, 3 °C or 5 °C. If the temperature value measured is outside the limit values, this is shown in the display with different colours and additionally is indicated acoustically by means of a signal tone.    

Green if the tolerance value is maintained

You have specified a reference value of 25 °C and set a threshold value of 1 °C. If the surface temperature measured is between 24 °C and 26 °C − i.e. within the tolerance range, the display lights up green.

Blue if the threshold value is not reached

The reference value preselected is 20 °C and the tolerance limit selected is +/- 3 °C. If the temperature measured were between 17 °C and 23 °C, therefore everything would be okay. However, if the measured value is below 17 °C, the display is lit blue and in addition you'll hear a signal at long intervals. 

Red if the limit value is exceeded

The reference value is 30 °C and the sensitivity level is 5 °C. Therefore, a measured temperature is within the tolerance range when it is between 25 °C and 35 °C. However, if the surface temperature of the measured material is above the maximum value of 35 °C, the display is lit red and you'll hear an acoustic signal at short intervals.

With the BP17 you can continuously keep an eye on whether the actual values comply with the temperature range you have specified without having to observe the exact values all the time.

BP17 – display colour changes

The pyrometer BP17 convinces to the last detail

Compact dimensions and excellent handling characteristics – the pyrometer BP17 is your practical aid for fast and reliable surface temperature measurements.
BP17 - dimensions
Exceeding or falling below a preselected threshold is indicated by an acoustic and visual alarm function. If the threshold is exceeded, the display lights up red, if the value falls below the threshold, it lights up blue. If the current value is within the threshold range, the display lights up green.
BP17 - visual alarm
Development, design, production – 100 % Trotec. The high-quality BP17 supplied in the distinctive Trotec industrial design impresses with a decided use of forms and a high degree of functionality.
BP17 – Trotec design
The power supply of the BP17 is cordless via the 9V monobloc battery included. The current power level is indicated on the display. And for a particularly long battery runtime the BP17 is automatically switched off in case of non-use.
BP17 - battery compartment

Simply practical for commercial applications or use at home

Use the pyrometer BP17 in cold-storage rooms and deep-freeze warehouses to check quickly and easily whether the goods stored are still provided with the temperature range specified. This is perfect, for instance, for the gastronomy sector, logistics companies and commercial enterprises.
BP17 – deep-freeze warehouse
With hot pipes, tanks, boilers, motors or housings it is safer to carry out a non-contact measurement of the surface temperature first before you accidentally burn your hands.
BP17 – pipes and systems
Check the heat development of terminal boxes, electrical devices, generators or transformer housings. Use the BP17 to check quickly and reliably whether devices are overheating.
BP17 – terminal box
Detect cold walls, cold corners or thermal bridge in your flat, in the cellar, in the office or in your holiday home at different times of day and year. These places are susceptible to the formation of mould.
BP17 – flat
Measuring point stickers

Accessory tip: Measuring point stickers

The Trotec measuring point stickers are useful little helpers if you, for example, wish to measure the temperature in one and the same place at regular intervals, or if you want to document a drying process in great detail. Firstly, you can use them to exactly label the measuring point, and secondly you can note the date and measuring result on the sticker. After the measuring period, the stickers can be easily removed without leaving any marks.

A few practical benefits:

  • Non-contact surface temperature measurement from -50 °C to +380 °C
  • Acoustic and visual alarm when exceeding/falling below a preselectable temperature difference
  • Adjustable sensitivity levels: OFF / 1 °C / 3 °C / 5 °C
  • Measuring optics 10:1
  • Selectable visual targeting laser
  • Backlit display
  • Auto-power-off function and battery status indicator
  • Development, design, production: 100 % Trotec
  • Practice-optimized German industrial design – protected design patent
  • Optimum value-for-money ratio


Technical data

Technical data
General information
  Article number 3.510.003.029
  Optical resolution (D:S) 10:1
  Smallest measuring spot Ø 12.7 mm (Distance 127 mm)
Infrared temperature sensor [°C]
  Min. measuring range [°C] -50
  Max. measuring range [°C] 380
  Max. accuracy [°C] ±2 °C / ±2 % (at > 0 °C)
±3 °C (at ≤ 0 °C)
Infrared temperature sensor [°F]
  Min. measuring range [°F] -58
  Max. measuring range [°F] 716
Ambient conditions
  Operation - min. temperature [°C] 0
  Operation - max. temperature [°C] 50
  Operation – min. relative humidity [% RH] 10
  Operation - max. relative humidity (non-condensing) [%] 90
  Storage - min. temperature [°F] -4
  Storage - min. temperature [°C] -10
  Storage - max. temperature [°C] 60
  Storage - max. temperature [°F] 140
  Storage - max. relative humidity (non-condensing) [%] 80
  Functional LEDs
Device control
Temperature sensor
  Response time < 0.5 s
  Spectral sensitivity 8 - 14 µm
Laser (target display)
  Class 2
  Wavelength [nm] 630-660 nm
Power supply
  Internal (battery) 1 x 9 V battery
Housing design
  Length (packaging excluded) [mm] 130
  Width (packaging excluded) [mm] 45
  Height (packaging excluded) [mm] 149
  (packaging excluded) [kg] 0.19
Standard scope of delivery
Standard scope of delivery
  Measuring device
  Operating manual
Ascertainable measured values and functions
Functions and features
  Material/surface temperature [°C]
  Material/surface temperature [°F]
Internal sensors
  Switching function °C/°F
  Automatic switch-off
  Backlit display
  Selectable single laser pointer
  Visual signal transmitter
  Acoustic signal transmitter
  Automatic reference temperature
  Battery status indication

 standard equipment

 optionally available

 not available



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