Thermohygrometer and Temperature Meter Probes

ALL PRICES ARE EXCLUSIVE OF GST

Our Compact Class probes cater to a range of needs:

a thermal anemometer measures the flow speed and automatically calculates the volumetric flow
surface temperature, air temperature and immersion measurements can be taken at the same time

Excellent temperature meters you will need in your toolkit to get the job done properly. Where a space needs monitoring continuously rather than spot checking, our Temperature and Humidity Monitors cover wall and desk mounted options.

Replacement and specialist probes for these instruments, including T Type thermocouple, glycol, pipe wrap and waterproof NTC probes, are in our Replacement Cable Probes collection.

View our range of Compact Class Temperature readers today.

Arvida H2O Temperature

$586.20

testo 416 - Digital 16 mm vane anemometer with App connection

$1,480.90

Simple, fast and precise flow measurement and volume flow calculation in the ventilation duct
More flexibility for duct measurements with the cable-connected telescopic probe (maximum length 850 mm)
Fast in-app (duct) configuration, graph history, second screen and measurement data memory in the testo Smart App
Timed and point mean value calculation

testo 922 - Differential temperature measuring instrument for TC Type K with App connection

$436.80

Easy, fast and precise differential temperature measurement with dual thermocouple Type K probes (2 TC Type K probes included)
Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
Wide range of applications due to large measuring range from -50 °C to 1000 °C
Large probe selection optional and compatible with commercially available TC Type K sensors

Testo 925 - Temperature measuring instrument for TC Type K with App connection

$330.80

Easy, fast and precise temperature measurement with thermocouple Type K probe (1 TC Type K probe included)
Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
Wide range of applications due to large measuring range from -50 °C to 1000 °C
Large probe selection optional and compatible with commercially available TC Type K sensors

testo 425 - Digital hot wire anemometer with App connection

$1,378.00

Simple, fast and precise flow and temperature measurement plus volume flow calculation in the ventilation duct
More flexibility for duct measurements with the cable-connected telescopic probe (maximum length 820 mm)
Fast in-app (duct) configuration, graph history, second screen and measurement data memory in the testo Smart App
Timed and point mean value calculation

Testo 625 - Digital thermohygrometer with App connection

$678.40

Simple, fast and precise measurement of air temperature and relative humidity
Calculation of dewpoint and wet bulb temperature
Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
Audible alarm sounds if a limit value is exceeded

testo 535 - Digital CO2 measuring instrument with App connection

$1,381.20

Simple, fast and precise measurement of CO₂ concentration
Audible alarm sounds if a limit value is exceeded
Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
High reproducibility of measurement results due to long-term stable infrared sensor technology

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testo 417 kit 1 - Vane anemometer with measurement funnels

Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets
Efficient regulation of balanced residential ventilation and fast documentation with the testo Smart App
Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
Timed and point mean value calculation

TopSafe protective case

$106.00

Protection class IP65 with sensor plugged in
Protects the measuring instrument against impacts and dirt
With mounting magnets and stand-up bracket

T Type Thermocouple Probe | TS419-10MT

$170.70

Type T Thermocouple Probe and Connector | TS419-5MT

$144.20

Air and Immersion Probe for Testo 162 T2

$236.40

Testo TS159 T Type Glycol Probe with 2m Cable

$186.60

Type T Glycol Probe | 5 Metre | Testo TS159

$202.50

Silicone Hose for Pressure Probe | 5 Metres

$133.60

Water-proof NTC Sensor Probe | Penetration/Immersion Probe

$234.30

Pipe Wrap Probe | Pipe Wrap Around

$277.80

Pitot Tube | Pitot Pipe | 1000mm

$1,019.80

Probe Mount | Mounting Probe with Aluminium Sleeve

$145.30

testo 417 kit 2 - Vane anemometer with measuring funnels and flow straightener

$1,575.20

Easy, fast and precise measurement of flow, volume flow and temperature at air inlets and outlets
Efficient regulation of balanced residential ventilation and fast documentation with the testo Smart App
Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
Timed and point mean value calculation

testo 110 - NTC and Pt100 temperature measuring instrument with App connection

$361.50

Simple, fast and particularly precise temperature measurement with NTC or Pt100 probes (optionally available)
Fast in-app configuration, graph history, second screen and measurement data memory in the testo Smart App
HACCP-compliant, certified according to EN 13485 for use in the food sector
High-precision measurement results and high system accuracy with digital Pt100 sensors (calibration without measuring instrument)

Testo 512-1 - Digital differential pressure Guage with App connection

$1,269.90

Simple, fast and precise differential pressure measurement (0 to 200 hPa) for checking filters and for Pitot tube measurement in the ventilation duct
Reliable measurement results due to position-independent differential pressure sensor with high accuracy
Fast in-app (duct) configuration, graph history, second screen and measurement data memory in the testo Smart App
Volume flow calculation in measuring instrument and App

What is the Compact Class range for?

These are single purpose handheld instruments sized to live in a toolkit, covering temperature, humidity, air flow and pressure. The range includes the 110 for NTC and Pt100 probes, the 925 and 922 for TC Type K, the 625 thermohygrometer, the 416 and 425 anemometers, the 417 kits and the 512-1 differential pressure meter.

Which instrument suits duct air flow measurement?

The 416 is a 16 mm vane anemometer with a cable-connected telescopic probe that extends to 850 mm, and it calculates volume flow once the duct dimensions are entered in the app. The 425 is a digital hot wire anemometer, and the 417 kits add measuring funnels, with kit 2 also including a flow straightener.

What temperature range do the TC Type K instruments cover?

The 925 measures from -50 °C to 1000 °C and is supplied with one TC Type K probe. It also works with commercially available TC Type K sensors, so probes you already own are not wasted. The 922 measures differential temperature and comes with two TC Type K probes.

Do these instruments connect to the app as well?

Yes. The 110, 416, 425, 625, 922, 925 and 512-1 all have App connection, which gives in-app configuration, a graph history, a second screen, measurement data memory, and the option to email the report from site.

Can I buy probes and accessories separately?

Yes. This page carries T Type thermocouple probes in 5 m and 10 m, glycol-filled T Type probes in 2 m and 5 m, a pipe wrap probe, a 1000 mm Pitot tube, a waterproof NTC immersion and penetration probe, a 5 m silicone hose, a probe mount with aluminium sleeve and the TopSafe protective case.