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Products of Testo

Testo: handheld measuring instruments for electrics, temperature, humidity and speed

Around 300 Testo items – clamp meters and voltage testers, penetration and infrared thermometers, humidity and tachometers, plus probes, test leads and accessories. Advice: vertrieb@industry-electronics.de

200+
items in stock range
140+
Other Measuring Devices

Testo – measuring technology for on-site service

Testo is a German manufacturer of measuring instruments for physical quantities such as temperature, humidity, pressure and flow. The instruments are made for professionals who measure on site: in heating, ventilation and air conditioning, electrical engineering, food businesses and maintenance.

In our range handheld instruments are in the foreground: clamp meters and non-contact voltage testers for electrics, penetration, surface and infrared thermometers, humidity and climate meters, and optical tachometers. Probes, reflective markers, test leads, charging stations, replacement fuses and carrying cases belong to them.

For the service technician it counts that the instrument fits in the bag and the result can be documented. Many Testo instruments transfer their readings via Bluetooth to smartphone or tablet; that saves copying into the report.

What Testo stands for with us
✓German manufacturer of measuring technology
✓Clamp meters and voltage testers
✓Penetration, surface and infrared thermometers
✓Humidity and climate meters
✓Optical and mechanical speed measurement
✓Probes, test leads and accessories

Product lines

Electrical measurementClamp meters with true RMS measurement, non-contact voltage testers and test leads for testing at installations and distribution boards. Temperature measurementPenetration and surface thermometers for food and pipework, infrared thermometers for non-contact measurement on hot or hard-to-reach spots.
Humidity and indoor climateInstruments for humidity and temperature in rooms, stores and ventilation systems. Speed measurementOptical and mechanical tachometers for motors, fans and drives, plus reflective markers.
Accessories and spare partsProbes, test leads, charging stations, replacement fuses and carrying cases for use on the move.  

Typical applications

Heating, ventilation, air conditioningTemperature and humidity measurement at systems, air outlets and pipework. Electrical engineeringCurrent and voltage testing during commissioning, maintenance and troubleshooting.
Food businessesCore temperature with penetration thermometers, surface and storage temperature in self-monitoring. MaintenanceSpeed, temperature and current at motors and drives for condition assessment.
Building servicesIndoor climate and surface temperatures during acceptance and complaints.  

Why Testo?

Handy for field useCompact instruments that fit in a tool bag or jacket pocket. Documenting readingsInstruments with Bluetooth send readings to app and report – less copying, fewer mistakes.
Broad measuring rangeElectrics, temperature, humidity and speed from one manufacturer. Accessories matched to the instrumentProbes, leads and cases are made for the instruments and can be reordered individually.

Frequently asked questions

Penetration or infrared thermometer?A penetration thermometer measures the temperature inside, for example the core temperature of food. An infrared thermometer measures only the surface without contact and suits hot, moving or hard-to-reach parts. Shiny surfaces distort infrared measurement.
Why true RMS in a clamp meter?Modern loads such as frequency converters, power supplies and LED drivers produce distorted currents. A clamp meter with true RMS measurement captures these correctly; simple instruments then show readings that are too low or fluctuating.
Are Testo items available from Lieske Elektronik?We carry 298 Testo items. Availability is shown on every item; for larger quantities we will confirm the delivery date in advance.
I only have the Testo part number from a specification.That is enough. The manufacturer part number is part of our item titles – enter it in the search or send us the whole list.
Are there project and quantity prices?Yes. For project quantities and recurring demand we quote separately – send us part numbers and quantities.
Testo by category:

► Other Measuring Devices

Request Testo measuring instrumentsTell us what you want to measure – quantity, range, environment. We find the right instrument with accessories and check availability and price. E-mail vertrieb@industry-electronics.de.


Categories with products from Testo



Testo 05160210 0516 0210 readiness case for measuring device and sensor Testo LogoTesto 0516 0210 05160210Testo 05160210 0516 0210 readiness case for measuring device and sensor
Die Bereitschaftstasche in flacher Etui-Ausführung verwahrt Messgerät und Fühler sicher. - 1 x Bereitschaftstasche für Messgerät und Fühler.

Lieske Part No.: 1603832
Mfg Part No: 05160210
Type: 0516 0210
33,62 EUR
Testo 05160210 plus VAT
≈ £28.11  |  ≈ $37.42
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05160212 Ready case 0516 0212 for measuring device and sensor Testo LogoTesto 05160212Testo 05160212 Ready case 0516 0212 for measuring device and sensor


Lieske Part No.: 1307358
Mfg Part No: 05160212
31,80 EUR
Testo 05160212 plus VAT
≈ £26.58  |  ≈ $35.39
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05160224 Protective cover TopSafe 0516 0224 Testo LogoTesto 05160224Testo 05160224 Protective cover TopSafe 0516 0224


Lieske Part No.: 1561327
Mfg Part No: 05160224
35,44 EUR
Testo 05160224 plus VAT
≈ £29.63  |  ≈ $39.44
Made to order · Delivery time approx. 20 workdaysinfo_outline
testo Smart Case (Refrigeration) 0516 0240 for storage and transport Testo LogoTesto 05160240testo Smart Case (Refrigeration) 0516 0240 for storage and transport


Lieske Part No.: 1146510
Mfg Part No: 05160240
32,71 EUR
Testo 05160240 plus VAT
≈ £27.35  |  ≈ $36.41
Made to order · Delivery time approx. 20 workdaysinfo_outline
testo Smart Case (Climate) 0516 0260 for storage and transport Testo LogoTesto 05160260testo Smart Case (Climate) 0516 0260 for storage and transport


Lieske Part No.: 1146511
Mfg Part No: 05160260
32,71 EUR
Testo 05160260 plus VAT
≈ £27.35  |  ≈ $36.41
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo Smart Case Heating 0516 0270 storage bag for Smart Probes 0516 Testo LogoTesto 05160270Testo Smart Case Heating 0516 0270 storage bag for Smart Probes 0516


Lieske Part No.: 1146512
Mfg Part No: 05160270
32,71 EUR
Testo 05160270 plus VAT
≈ £27.35  |  ≈ $36.41
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo HKL Softcase 05160283 Testo LogoTesto 05160283Testo HKL Softcase 05160283


Lieske Part No.: 1307359
Mfg Part No: 05160283
53,61 EUR
Testo 05160283 plus VAT
≈ £44.82  |  ≈ $59.67
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05161035 0516 1035 case professional small Testo LogoTesto 0516 1035 05161035Testo 05161035 0516 1035 case professional small
Service case - for measuring device, sensors and accessories

Lieske Part No.: 1770717
Mfg Part No: 05161035
Type: 0516 1035
127,93 EUR 133,49 EUR
Testo 05161035 plus VAT
≈ £106.95  |  ≈ $142.39
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05161200 0516 1200 service case for measuring instrument, sensor and accessories Testo LogoTesto 0516 1200 05161200Testo 05161200 0516 1200 service case for measuring instrument, sensor and accessories
Service case for measuring device, sensors and accessories

Lieske Part No.: 638414
Mfg Part No: 05161200
Type: 0516 1200
81,73 EUR 85,28 EUR
Testo 05161200 plus VAT
≈ £68.33  |  ≈ $90.97
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05161201 Service case for measuring instrument and sensor Testo LogoTesto 05161201Testo 05161201 Service case for measuring instrument and sensor


Lieske Part No.: 1197814
Mfg Part No: 05161201
49,06 EUR
Testo 05161201 plus VAT
≈ £41.01  |  ≈ $54.60
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05164401 0516 4401 combination case for 440 and multiple probes Testo LogoTesto 0516 4401 05164401Testo 05164401 0516 4401 combination case for 440 and multiple probes
Der Kombikoffer ist ideal für den Transport und Schutz Ihres Equipments.Folgendes können Sie sicher im Koffer verstauen:
Klimamessgerät testo 440 oder testo 440 dP
Flügelrad-Sonde (Ø 100 mm) mit ...

Lieske Part No.: 593782
Mfg Part No: 05164401
Type: 0516 4401
-20% 72,20 EUR 90,02 EUR
Testo 05164401 plus VAT
≈ £60.36  |  ≈ $80.36
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05540051 0554 0051 adhesive tape for bare surfaces Testo LogoTesto 0554 0051 05540051Testo 05540051 0554 0051 adhesive tape for bare surfaces
Adhesive tape - for measurements on reflective/bright surfaces

Lieske Part No.: 209133
Mfg Part No: 05540051
Type: 0554 0051
111,34 EUR 116,18 EUR
Testo 05540051 plus VAT
≈ £93.08  |  ≈ $123.92
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05540452 Sound level calibrator Testo LogoTesto 05540452Testo 05540452 Sound level calibrator


Lieske Part No.: 1146051
Mfg Part No: 05540452
420,61 EUR
Testo 05540452 plus VAT
≈ £351.63  |  ≈ $468.14
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05540493 0554 0493 reflex markers 5 pcs (465/470) Testo LogoTesto 0554 0493 05540493Testo 05540493 0554 0493 reflex markers 5 pcs (465/470)
Reflective labels - self-adhesive (1 pack = 5 pieces each 150 mm long)

Lieske Part No.: 548062
Mfg Part No: 05540493
Type: 0554 0493
34,35 EUR 35,84 EUR
Testo 05540493 plus VAT
≈ £28.72  |  ≈ $38.23
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05540872 0554 0872 additional marker for E-Assist function (10 pcs) Testo LogoTesto 0554 0872 05540872Testo 05540872 0554 0872 additional marker for E-Assist function (10 pcs)
With the testo marker you can thermograph easily and precisely. Thanks to the testo ¿ marker, your thermal imaging camera not only automatically determines the emissivity and reflected temperature ...

Lieske Part No.: 408326
Mfg Part No: 05540872
Type: 0554 0872
40,27 EUR 42,02 EUR
Testo 05540872 plus VAT
≈ £33.67  |  ≈ $44.82
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05540991 90° angle accessory Testo LogoTesto 05540991Testo 05540991 90° angle accessory


Lieske Part No.: 1307360
Mfg Part No: 05540991
59,84 EUR
Testo 05540991 plus VAT
≈ £50.03  |  ≈ $66.60
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05541096 International power supply 100-240VAC/6.3VDC Testo LogoTesto 05541096Testo 05541096 International power supply 100-240VAC/6.3VDC


Lieske Part No.: 1146052
Mfg Part No: 05541096
52,70 EUR
Testo 05541096 plus VAT
≈ £44.06  |  ≈ $58.66
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05541103 0554 1103 charging station for Testo LogoTesto 0554 1103 05541103Testo 05541103 0554 1103 charging station for
Battery charging station - table charging station

Lieske Part No.: 562363
Mfg Part No: 05541103
Type: 0554 1103
63,96 EUR 66,74 EUR
Testo 05541103 plus VAT
≈ £53.47  |  ≈ $71.19
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05541111 0554 1111 universal Bluetooth® hand grip for connecting probe heads Testo LogoTesto 0554 1111 05541111Testo 05541111 0554 1111 universal Bluetooth® hand grip for connecting probe heads
Verbinden Sie den Handgriff mit verschiedenen Sondenköpfen und erweitern Sie so ganz einfach Ihr Sondenportfolio. Das ausziehbare Teleskop für Strömungssonden lässt sich ebenfalls mühelos an den ...

Lieske Part No.: 1867261
Mfg Part No: 05541111
Type: 0554 1111
145,69 EUR
Testo 05541111 plus VAT
≈ £121.80  |  ≈ $162.15
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05541213 Punch set for gas line inspections Testo LogoTesto 05541213Testo 05541213 Punch set for gas line inspections


Lieske Part No.: 1146053
Mfg Part No: 05541213
127,34 EUR
Testo 05541213 plus VAT
≈ £106.46  |  ≈ $141.73
Made to order · Delivery time approx. 20 workdaysinfo_outline
NO sensor retrofit 05542151 for testo 330-1/-2 LL V2010 Testo LogoTesto 05542151NO sensor retrofit 05542151 for testo 330-1/-2 LL V2010


Lieske Part No.: 1146055
Mfg Part No: 05542151
682,41 EUR
Testo 05542151 plus VAT
≈ £570.49  |  ≈ $759.52
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05543112 filling and withdrawal valve Testo LogoTesto 0554 3112 05543112Testo 05543112 filling and withdrawal valve
Befüll- und Entnahmeventil 1 x 1/4`` Außengewinde zu 5/16`` Innengewinde (SAE) bzw. 7/16`` Außengewinde zu 1/2`` Innengewinde (UNF) 1 x 5/16`` Außengewinde zu 1/4`` Innengewinde (SAE) bzw. 1/2`` ...

Lieske Part No.: 2488723
Mfg Part No: 05543112
Type: 0554 3112
62,13 EUR
Testo 05543112 plus VAT
≈ £51.94  |  ≈ $69.15
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05543113 0554 3113 adapter 1/4 inch to 5/16 inch (SAE) or 7/16 inch to 1/2 inch (UNF) Testo LogoTesto 0554 3113 05543113Testo 05543113 0554 3113 adapter 1/4 inch to 5/16 inch (SAE) or 7/16 inch to 1/2 inch (UNF)
Adapter mit hochwertiger Messinglegierung 1/4' zu 5/16' (SAE) bzw. 7/16`` zu 1/2`` (UNF)

Lieske Part No.: 2488724
Mfg Part No: 05543113
Type: 0554 3113
27,04 EUR
Testo 05543113 plus VAT
≈ £22.61  |  ≈ $30.10
Made to order · Delivery time approx. 20 workdaysinfo_outline
Testo 05543114 0554 3114 adapter 5/16 inch to 1/4 inch (SAE) or 1/2 inch to 7/16 inch (UNF) Testo LogoTesto 0554 3114 05543114Testo 05543114 0554 3114 adapter 5/16 inch to 1/4 inch (SAE) or 1/2 inch to 7/16 inch (UNF)
Adapter aus hochwertiger Messinglegierung 5/16' zu 1/4' (SAE) bzw. 1/2`` zu 7/16`` (UNF)

Lieske Part No.: 2488725
Mfg Part No: 05543114
Type: 0554 3114
27,04 EUR
Testo 05543114 plus VAT
≈ £22.61  |  ≈ $30.10
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Testo at Lieske Elektronik

The Testo order number has eight digits and is part of each of our item titles and on the instrument. For accessories and probes, the number of the instrument they are to fit is the most important reference.

For equipping service teams we are happy to compile instruments and accessories as a package. Send us the number and measuring tasks – we quote separately.

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