Measuring instruments
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Surface sensor for pipes Ø 5-65 mm
2 085 Art.nr 0602 4592Spring loaded sensor with interchangeable measuring head for pipe diameters 5-65 mm
- Sensor type: TE type K
- Measuring range: -60 ... 130 °C (Briefly +280 °C)
- Accuracy: Class 2
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Wireless measurement kit for ventilation technology
5 525 Art.nr 0563 0003 10Measurement of air and surface temperature, humidity, air velocity and air flow.
- Application-specific menus
- Free Bluetooth app
- Read out measurements on your phone
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testo 206-pH2 – for liquids and semi-solids
3 470 Art.nr 0563 2062pH meter with automatic identification of the final value and replaceable electrode.
- 1-, 2- or 3-point calibration possible
- Water protected thanks to the TopSafe protective case
- Suitable for liquids and semi-solid materials
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testo 206-pH3 – pH meter for external electrodes
1 790 Art.nr 0563 2063pH meter for external electrodes with automatic identification of the final value
- 1-, 2- or 3-point calibration possible
- Automatic temperature compensation possible
- BNC connection for external electrodes
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Mini surface temperature probe
840 Art.nr 0602 0092Used directly with instruments or as a spare measuring head for tube sensors 0602 4592
- Sensor type: TE type K
- Measuring range: -60 ... 130 °C
- Accuracy: Class 2
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testo 190-T2 – autoclave logger with long straight sensor
Art.nr 0572 1902Highly accurate temperature monitoring with long, straight measuring tip
- Highly efficient validation of sterilization and freeze-drying processes
- Create full reports with a simple mouse click
- Durable, robust and fully sealed, even after a battery change
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testo 190-T3 – autoclave logger with long flexible transducer
Art.nr 0572 1903Highly accurate temperature monitoring with long, flexible sensor
- Highly efficient validation of sterilization and freeze-drying processes
- Create full reports with a simple mouse click
- Durable, robust and fully sealed, even after a battery change
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Surface sensor with rigid measuring tip +1000 °C
1 785 Art.nr 0602 0693Waterproof sensor with flat measuring tip for flat surfaces. Suitable for high temperatures.
- Sensor type: TE type K
- Measuring range: -60 ... 1000 °C
- Accuracy: Class 1
- Sensor length: 150 mm
- Diameter: 2.5 mm
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testo 830-T1 – affordable IR thermometer
1 110 Art.nr 0560 8311Versatile, fast and affordable IR temperature gauge
- 1-point laser sight
- Measuring optics 10:1
- Adjustable emission factor 0.1....1,00
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testo 830-T2 – IR thermometer for external sensors
1 425 Art.nr 0560 8312IR thermometer also for external sensors
- Combined instrument
- Input for standard temperature sensors
- Clear 2-point laser sight.
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testo 206-pH2 – pH meter in handy measuring set
4 890 Art.nr 0563 2066pH meter for semi-solids in a practical measuring set
- Automatic identification of final value
- 1-, 2- or 3-point calibration possible
- Water protected thanks to the TopSafe protective case
- Replaceable pH electrode
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testo 830-T2 – Measurement kit for temperature measurement in asphalt
2 650 Art.nr 0190 8302Measurement set including robust insertion sensor type K
- Combined instrument
- Input for standard temperature sensors
- Clear 2-point laser sight.
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Surface sensor with rigid measuring tip
980 Art.nr 0602 1993Waterproof with flat measuring tip for flat surfaces
- Sensor type: TE type K
- Measuring range: -60 ... 400 °C
- Accuracy: Class 2
- Sensor length: 115 mm
- Diameter: 5 mm
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testo 830-T2 – Measurement kit for IR and air
1 595 Art.nr 0563 8302Measurement kit that includes a quick mini air temperature sensor
- Combined instrument
- Input for standard temperature sensors
- Clear 2-point laser sight.
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testo 830-T2 – IR, air, liquid and surface measurement kit
3 795 Art.nr 0563 8303Measurement kit including fast air/liquid sensor, mini surface temperature sensor and carrying case.
- Clear 2-point laser sight.
- Measuring optics 12:1
- Adjustable emission factor
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testo 830-T4 – Measurement kit for IR and air
2 260 Art.nr 0563 8304Small area IR thermometer with a two-point laser
- Small measuring surface - measuring optics 30:1
- Clear 2-point laser sight.
- Combi instrument, mini air temperature sensor
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Surface sensor with spring-loaded measuring tip
1 885 Art.nr 0602 0393Also suitable for measuring on uneven and curved surfaces
- Sensor type: TE type K
- Measuring range: -60 ... 300 °C (briefly 500 °C)
- Accuracy: Class 2
- Sensor length: 115 mm
- Diameter: 12 mm
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testo 830-T4 – IR thermometer with small measuring area
2 090 Art.nr 0560 8314Small area IR thermometer with a two-point laser
- Small measuring surface - measuring optics 30:1
- Clear 2-point laser sight.
- Combined instrument
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testo 830-T4 – IR, air, liquid and surface measurement kit
4 790 Art.nr 0190 8314Measurement kit including fast air/liquid sensor, mini surface temperature sensor and carrying case.
- Clear 2-point laser sight.
- Small measuring spot - measuring optics 30:1
- Adjustable emission factor
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testo 835-T1 – IR thermometer with 4 point laser
3 565 Art.nr 0560 8351IR temperature meter with small measuring area and 4-point laser
- Safe measurement at long distances thanks to 50:1 optics
- Clear 4-point laser sight shows exactly where to measure
- Combi instruments - non-contact IR measurement and contact measurement with sensors
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testo 835-T2 – IR thermometer up to 1 500 °C
6 940 Art.nr 0560 8352IR thermometer for non-contact measurement up to 1500 °C
- Measurement range up to 1500 °C
- Safe measurement at long distances thanks to 50:1 optics
- Clear 4-point laser sight shows exactly where to measure
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testo 835-H1 – IR thermometer with surface moisture measurement
5 205 Art.nr 0560 8353Special IR temperature meter with integrated surface moisture measurement
- Ideal for dew point distance measurements
- Safe measurement at long distances thanks to 50:1 optics
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Surface sensor, angled with spring-loaded measuring tip
2 290 Art.nr 0602 0993Also suitable for measuring on uneven and curved surfaces
- Sensor type: TE type K
- Measuring range: -60 ... 300 °C (briefly 500 °C)
- Accuracy: Class 2
- Sensor length: 80 + 50 mm
- Diameter: 12 mm
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testo 6651 – moisture transmitter for sensitive environments
Art.nr 0555 6651Moisture transmitter with Testo's highly accurate and long-term stable moisture sensor
- Robust precision transmitter
- -30...120°C
- 0...100%RH
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testo 810 – IR thermometer with air temperature sensor
1 255 Art.nr 0560 0810IR thermometer with simultaneous measurement of surface temperature and air temperature
- Non-contact surface temperature measurement (IR)
- Shows temperature difference between surface temperature and air temperature
- 1-point laser for marking the measurement spot and 6:1 optics
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Waterproof mini thermometer for insertion measurements
435 Art.nr 0560 1113For quick and easy measurements of air and core temperature
- Waterproof (30 minutes 1 meter depth)
- Measurement range from -20 to +230 °C
- Large clear display
- Auto-OFF function
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testo 6631 – moisture transmitter for greenhouse applications
Art.nr 0555 6631Especially for monitoring critical environments in greenhouses
- Testo's highly accurate and long-term stable moisture sensor
- -10...60°C
- 0...100%RH
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Mini thermometer for surface temperature
435 Art.nr 0560 1109Affordable mini thermometer for surface temperature measurements
- Up to 300 °C
- Quick and easy battery change
- Ideal for measurements on flat surfaces
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Mini immersion thermometer
340 Art.nr 0560 1110Mini temperature gauge for insertion measurement
- 124 mm insertion probe for measurements up to +150°C
- Measures air and core temperatures quickly and reliably
- For the laboratory, heating and ventilation sector, etc.
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testo 6681 – moisture transmitter series for sensitive environments
Art.nr 0555 6681For monitoring and controlling sensitive environments in process engineering contexts
- -40...180°C
- 0...100%RH
- Interchangeable sensors
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Mini thermometer with alarm
620 Art.nr 0900 0530With fixed cable-connected insertion/dip sensor
- Measurement range: -50... 150°C
- Permanently connected sensor
- Adjustable min/max alarm
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testo 190-T4 – autoclave logger with 2 long flexible transducers
Art.nr 0572 1904Highly accurate temperature monitoring with 2 long flexible sensors
- Highly efficient validation of sterilization and freeze-drying processes
- Determination of acclimatization between core and external temperature
- Create full reports with a simple mouse click
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testo 191-T1 – autoclave logger with short straight sensor
Art.nr 0572 1911Highly accurate temperature monitoring with short, straight measuring tip
- Highly efficient validation of sterilization and pasteurization processes
- Certified by HAACP International
- Create full reports with a simple mouse click
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testo 191-T2 – autoclave logger with long straight transducer
Art.nr 0572 1912Highly accurate temperature monitoring with long, straight measuring tip
- Highly efficient validation of sterilization and pasteurization processes
- Certified by HAACP International
- Create full reports with a simple mouse click
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testo 191-T3 – autoclave logger with long flexible sensor
Art.nr 0572 1913Highly accurate temperature monitoring with long, flexible sensor
- Highly efficient validation of sterilization and pasteurization processes
- Create full reports with a simple mouse click
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testo 191-T4 – autoclave logger with 2 long flexible transducers
Art.nr 0572 1914Highly accurate temperature monitoring with 2 long flexible sensors
- Highly efficient validation of sterilization and pasteurization processes
- Create full reports with a simple mouse click
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Oven logger – thermos with testo 176-T3
32 950 Art.nr 0190 17634 channels - for external thermocouple sensors type K, T and J
- Records four temperatures simultaneously
- Protection against temperatures up to +200°C
- Stainless steel enclosure - suitable for food production, curing ovens, etc.
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Tiny S – smoke machine
11 450 Art.nr 3940 0800Tiny S is a smoke machine with small dimensions, low weight and minimal liquid consumption.
- Heating time 1 second
- Continuous smoke generation
- Adjustable smoking time
- The evaporator can be easily replaced if necessary
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AirTracer smoke generator – simple and effective leak detection
3 495 Art.nr 3940 0100AirTracer is a handheld smoke generator that helps you quickly and accurately identify air leaks in buildings
- Heating time 1 second
- Continuous smoke generation
- The evaporator can be easily replaced if necessary
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Sensors for low temperatures
560 Art.nr 0602 5793Flexible measuring tip, 500 mm long, Ø 1,0 mm. Suitable for temperature measurement in e.g. liquid nitrogen, low temperature freezing down to -196°C. The connector can withstand temperatures from -30 to +110 °C.
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Hot body sensor (Ø 3 mm) with fixed cable
6 890 Art.nr 0635 1051Hot body sensor with temperature sensor for testo 400 and testo 440. The sensor is not directional and has a sensor end of only 3 mm diameter.
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Hot wire sensor (Ø 7.5 mm) with fixed cable
6 095 Art.nr 0635 1026Practical hot wire sensor with temperature sensor for testo 400 and testo 440. The sensor end has a diameter of 7.5 mm which means it fits most pre-drilled measuring holes in the ventilation ducts. Integrated temperature measurement and absolute pressure compensation for accurate measurement results.
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Moisture sensor for testo Saveris
3 827 Art.nr 0572 2165Digital moisture and temperature sensor with cable to the data logger of the testo Saveris 1 measuring system.
- Cable length 1.3 meters
- Measuring range: -30 ... +50 °C and 0 ... 100 %RH
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Humidity sensor with TUC contact
2 750 Art.nr 0572 2164Digital humidity/temperature sensor without cable. Measuring range: -30 ... +50 °C and 0 ... 100 %RH
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Moisture sensor plug-in for testo 635
2 930 Art.nr 0636 9736Plug-in sensor for measuring humidity. Suitable for testo 635.
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Measuring tips for hammer electrode
690 Art.nr 0554 0365Insulated measuring tips (60 mm) for hammer electrode, pack of 10 measuring tips. Please note that these measuring tips can only be used for the accessory with article no. 5660 0165.
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Standard probe
4 960 Art.nr 0636 9735Standard humidity sensor for testo 635, for ambient air, up to +70°C.
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Hammer sensor for moisture ratio measurement – extra robust
2 995 Art.nr 3560 3020Hammer sensor with insulated pins and a measuring depth of 40 mm. The sensor has a heavier handle which makes it easier to insert the pins. Intended for depth measurement in wooden structures such as joists and sills. A flexible and very robust hammer sensor. Suitable spare meter tips 2-pack art. no. 3560 0107 and 3560 0110
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Moisture sensor with fixed cable
2 075 Art.nr 0636 9732Moisture and temperature sensor with fixed cable that fits both the testo 400 and testo 440 multi-instruments.
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Humidity sensor with Bluetooth
2 570 Art.nr 0636 9731Moisture and temperature sensor with Bluetooth suitable for both multi-instruments testo 400 and testo 440.
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Humidity sensor (plug-in)
1 315 Art.nr 0636 9730Moisture and temperature sensor (plug-in) for testo 440 and testo 400. Must be completed with handles.
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Temperature and humidity sensor with plug-in cable
1 645 Art.nr 0572 2156 -

Plug-type humidity/temperature sensors without cable
2 470 Art.nr 0572 2154Moisture/temperature sensor 12 mm without cable. The sensor plugs directly into the WiFi logger.
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Humidity/temperature sensor for testo Saveris Cloud-H2
3 285 Art.nr 0572 2155Digital humidity/temperature sensor 12 mm, fixed cable, cable length 1.3 m.
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Humidity/temperature sensor plugin for testo Saveris 2 H2
1 180 Art.nr 0572 2151Plug-in sensor for measuring humidity.
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Fume cupboard sensor with fixed cable
8 930 Art.nr 0635 1052Measures air speed and temperature, for testo 440 and testo 400.
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Vane sensor (Ø 16 mm) plug-in
7 725 Art.nr 0635 9570Impeller sensor with temperature sensor for testo 400 and testo 440. Adapter and handle must be supplemented with this article, see accessories.
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Vane sensor (Ø 16 mm) up to 1000 mm
10 355 Art.nr 0635 9572Vane sensor Ø 16 mm with temperature sensor and fixed cable for testo 440 / 400. Equipped with a telescope that can be extended from 570 mm to 1 000 mm.
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Vane sensor (Ø 16 mm) with Bluetooth
10 675 Art.nr 0635 9571Vane sensor Ø 16 mm with temperature sensor and Bluetooth for testo 400 and testo 440. Equipped with a telescope that can be extended from 570 mm to 1 000 mm.
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Vane sensor (ø 100 mm) with fixed cable
5 660 Art.nr 0635 9432Vane sensor with fixed cable and temperature sensor, 100 mm diameter, for testo 440 and testo 400.
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Vane sensor (ø 100 mm) with Bluetooth
6 110 Art.nr 0635 9431Vane sensor with Bluetooth and temperature sensor, 100 mm diameter, for testo 440 and testo 400.
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Vane sensor (ø 100 mm) plug-in
4 360 Art.nr 0635 9430Vane sensor (plug-in) with temperature sensor, 100 mm diameter, for testo 440 and testo 400. Adapter and handle must be completed with this item, see accessories.
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High accuracy vane sensor (ø 100 mm) with fixed cable
10 700 Art.nr 0635 9372Highly accurate fixed cable vane sensor with temperature sensor, 100 mm diameter, for testo 440 and testo 400.
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Highly accurate vane sensor (ø 100 mm) with Bluetooth
11 195 Art.nr 0635 9371Highly accurate vane sensor with Bluetooth and temperature sensor, 100 mm diameter, for testo 440 and testo 400.
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Highly accurate vane sensor (ø 100 mm) plug-in
9 655 Art.nr 0635 9370Highly accurate wing wheel sensor (plug-in) with temperature sensor, 100 mm diameter, for testo 440 and testo 400. Adapter and handle must be completed with this article, see accessories.
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Hot wire sensor (ø 10 mm) plug-in
7 245 Art.nr 0635 1570Hot wire sensor incl. temperature and humidity sensor. Length 230 mm. Adapter and handle must be completed with this item, see accessories.
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Hot wire sensor (ø 10 mm) with tiltable telescope
9 875 Art.nr 0635 1572Hot wire sensor with fixed cable, incl. temperature and humidity sensor. Equipped with a telescope that can be tilted and extended from 570 mm to 1,000 mm.
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Hot wire sensor (ø 10 mm) with Bluetooth
10 150 Art.nr 0635 1571Hot wire sensor with Bluetooth, incl. temperature and humidity sensor. Equipped with a telescope that can be tilted and extended from 570 mm to 1,000 mm.
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Vane sensors (Ø 16 mm) up to 850 mm
4 015 Art.nr 0635 9532Vane sensor with Ø 16 mm with fixed cable for testo 440 and testo 400. Equipped with a telescope that can be extended from 300 mm to 850 mm.
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Hot wire sensor (Ø 10 mm) with telescope
3 215 Art.nr 0635 1032Hot wire sensor with fixed cable for testo 440 and testo 400. Equipped with a telescope that can be extended from 300 mm to 850 mm. Integrated temperature measurement and absolute pressure compensation for accurate measurement results.
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Fixed cable pullers
11 980 Art.nr 0628 0152Draft sensor for turbulence degree and temperature, for testo 440 and testo 400.
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Temperature sensor for U-value measurement
3 200 Art.nr 0614 1635Temperature sensor for determining the U-value, three sensors for measuring the wall temperature. Have a look at the video clip showing how to carry out a U-value measurement (English language): see on youtube.
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Plug-in sensor for moisture measurement
1 770 Art.nr 0636 9725Plug-in sensor for measuring humidity. ATTENTION! Does not fit directly to the instrument, but must be supplemented with a radio handle and radio module.
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Moisture/temperature sensor with cable
2 595 Art.nr 0572 6172Moisture / temperature sensor adapted for e.g. testo 635, data loggers and Saveris 2.
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Saveris – Cable sensor RH
3 500 Art.nr 0572 6174Narrow moisture/temperature sensor (ø 4 mm) for e.g. testo data loggers and radio sensors Saveris H4D and the network sensor Saveris H4E.
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Spare sensor for testo 108-2
515 Art.nr 0602 1081 -

Protimeter measuring tips – insulated 37 mm
795 Art.nr 3560 0106Measuring tips for Protimeter hammer sensors 10-pack. Insulated, length 37 mm (65 mm in total).
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Protimeter measuring tips – insulated 40 mm
1 195 Art.nr 3560 0107Measuring tips for Protimeter moisture meters, sold in packs of 10, insulated, length 40 mm. These measuring tips are suitable for hammer sensors with item no. 3560 3020.
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Protimeter measuring tips – insulated 110 mm
495 Art.nr 3560 0110Measuring tips for Protimeter moisture meters, 2 -pack, insulated, length 110 mm
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Telescopic sensor for GANN moisture indicator
5 990 Art.nr 5660 0103The telescopic sensor is designed for non-destructive measurement in all types of building materials. Incl. an extendable telescopic pole and associated transducer that allows you to reach hard-to-reach places, length: 80-120 cm.
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Impact hammer for wood moisture meters – standard
2 995 Art.nr 5660 0265Bollmann impact hammer HY 2.0 (standard). Powerful impact hammer for moisture content measurement in wood. Can be used with Protimeter wood moisture meters with cable. The HY 2.0 hammer is robust and makes it easy to drive in and knock out the measuring pins. Available to supplement with longer pins.
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Impact hammer for wood moisture meter – rebuilt
3 145 Art.nr 5660 0165The redesigned Bollmann impact hammer HY2.0 is developed for those who work with accurate moisture content measurement in wood. The cord is moved to the bottom of the tool and the head is reduced, for better accessibility when measuring.
- Compatible with Protimeter wood moisture meters with cable
- For moisture content measurement in wood
- The HY 2.0 hammer is robust and makes it easy to drive in and knock out the measuring pins
- Can be supplemented with longer measuring pins if required
- For connection to the Protimeter, the Protimeter - Bollmann cable (art. no. 5660 0104) is required
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Protimeter measuring tips – non-insulated 25 mm
295 Art.nr 3560 0010Measuring tips for Protimeter moisture meter 10-pack. Uninsulated, length 25 mm. These measuring tips fit the Protimeter TimberMaster and Protimeter SurveyMaster instruments. In addition, they fit the Standard probe sensor (Standard sensor).
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Highly accurate moisture sensor with fixed cable
6 140 Art.nr 0636 9772Highly accurate moisture and temperature sensor with fixed cable for testo 440 and testo 400.
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Wall-mounted humidity sensor 6601
Art.nr L01Highly accurate humidity sensor for measuring indoor relative humidity. Mounted on a wall.
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Indoor sensor 6602 for duct mounting
Art.nr L02Indoor sensor for measuring relative humidity in ducts
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Climate sensor 6603 for duct mounting
Art.nr L03Duct mounted climate sensors for higher temperatures
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Climate sensor 6604 with cable
Art.nr L04Climate sensor with cable for measuring relative humidity.
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Stainless steel process sensor 6605
Art.nr L05Stainless steel process sensor with cable for higher temperatures. Measuring parameters: %F/%RH, °Ctd/°Ftd, °C/°F.
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Indoor sensor 6611 for wall mounting
Art.nr L11Indoor sensor for wall mounting.
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Moisture sensor 6612 for duct mounting
Art.nr L12Moisture sensors for duct installation
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Flexible moisture sensor 6613 with cable
7 090 Art.nr L13Flexible moisture sensor with cable
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Moisture sensor 6614 for high moisture values
8 990 Art.nr L14Heated moisture sensor for high moisture values
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Self-adjusting humidity sensor 6615
Art.nr L15Self-adjusting moisture sensor for low moisture values/pressure dew point
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Highly accurate moisture sensor with Bluetooth
6 550 Art.nr 0636 9771Highly accurate moisture and temperature sensor with Bluetooth that fits both the testo 400 and testo 440 multi-instruments.
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Pitot tube 750 mm
1 095 Art.nr 2340 7507Pitot tube (prandtl tube), 750 mm long, Ø 7 mm, nickel-plated brass, measures air speed together with pressure sensor. Tmax +300°C.
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Pitot tube 1500 mm
2 290 Art.nr 2340 1507Pitot tube (prandtl tube), 1500 mm long, Ø 7 mm, stainless, measures air speed together with pressure sensor. Tmax +600°C.
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Pitot tube 170 mm – stainless steel
795 Art.nr 2340 1702Pitot tube (prandtl tube), 170 mm long, Ø 2.5 mm, stainless steel, measures air speed together with pressure sensor. Tmax +600°C.
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Highly accurate moisture sensor (plug-in)
5 360 Art.nr 0636 9770Highly accurate moisture and temperature sensor (plug-in) suitable for both the testo 400 and testo 440 multi-instruments. Must be completed with handles.
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Robust moisture sensor with fixed cable
6 885 Art.nr 0636 9775Robust moisture/temperature sensor for temperatures up to +180°C, with fixed cable suitable for both the testo 400 and testo 440 multi-instruments.
