Heating-2021-Brochure-WEB-EN

Get the promo 

prices! 

The fantastic three. 

Smart measurement. Fast analysis. Easy documentation. 

The super tools for heating systems and heat pumps.

The concentrated 

superpower for your 

measurement jobs 

on heating systems 

and heat pumps. 

More and more work, fewer and fewer qualified staff and on top 

of it all constantly new technologies and regulations regarding 

digitalization and renewable energies – none of this makes a 

heating technician and fitter’s job any easier. But we do. With 

our measuring instruments, we’re equipping you with the best 

tools, with their concentrated power and unique superfeatures, 

to support you in the servicing and installation of heating 

systems and heat pumps. 

testo 300 

The superpower which 

masters every flue gas 

measurement. 

Immediately ready to go when you need it: With the flue gas measuring 

instrument testo 300, you measure and document quickly, easily and without 

annoying measurement and transfer errors. Thanks to fast-response Smart-Touch 

displays and intuitive menu guidance, jobs are dealt with in no time – and the 

servicing, installation and maintenance of heating plants will in future be three of 

your easiest jobs. 

Smart operation 

• Large, Smart Touch display – as intuitive to operate 

as your smartphone 

• Clearly structured, guided measurement menus 

and all important measurements pre-stored 

Fast & precise results 

• Immediately ready to measure from stand-by mode – no waiting 

• Quickly exchangeable probes 

• Quality sensors with up to 6 years' service life measure high CO 

values of up to 30,000 ppm, NO sensor retrofittable 

Professional documentation 

• Directly on site – reports sent by e-mail 

• Signature function: Customer can sign measurement 

reports directly on the instrument 

• Integrated address book and easy customer data import 

via the free testo easyHeat software 

2 

Application video 

testo 300

Our best teams for your jobs. 

The testo 300 promo kits. 

Unbeatable in the fight against measurement errors. And so is the price. With our four promo kits, 

you get exactly the reinforcements you need day to day. 

Promo! 

testo 300 

basic kit 

without printer 

testo 300 

basic kit 

with printer 

testo 300 

Longlife kit 

without printer 

testo 300 

Longlife kit 

with printer 

Flue gas analyzer testo 300 testo 300 Longlife 

Sensor 

Flue gas probe 

O₂, CO up to 4,000 ppm 

Basic flue gas probe compact, 180 mm long, 

Ø 6 mm, Tmax 500 °C 

O₂, CO H₂-compensated up to 30,000 ppm, NO 

sensor can be retrofitted 

Modular flue gas probe, 180 mm long, 

Ø 8 mm, Tmax 500 °C 

testo Bluetooth ® printer 

including 6 rolls of thermal paper 

– – 

Instrument bag with carrying strap – – 

Instrument case for measuring instrument 

and accessories 

– – 

USB mains unit, including cable 

Spare dirt filters (10 off) 

EasyHeat PC analysis software 

Order no. 0564 3002 70 0564 3002 71 0564 3004 82 0564 3004 89 

Promo price EUR 

xxxx.xx 

You save xx.xx € 

xxxx.xx 


xxxx.xx 


xxxx.xx 


3

testo 550s / testo 557s 

Measurement work heroes. 

Not just on heat 

pumps. 

Sometimes you wish you had superpowers 

which make the job easier. Now you can: 

With the digital manifolds testo 550s and 

testo 557s, we’re equipping you with two 

super strong tools which support you in the 

installation and servicing of heat pumps with 

their speed, precision and easy, paper-free 

documentation. 

testo Smart App 

for free download 

NOW IN 

Download at 

Product video 

testo 55x 


• Guided measurement menus and automatic recording of the 

most important parameters such as superheating, pressure 

drop test or evacuation 

• Automatic connection to the Bluetooth probes for temperature, 

pressure and humidity 

• The 90 most common refrigerants are already stored – 

free updates simply via App 


• Large, graphic display with clear arrangement 

• All results are also displayed in real time in the App 


• Directly on site via the free App – reports sent with photos 

via e-mail 

• Customer management in the App – all the information 

always to hand 

4

Wireless measurement. Easy 

documentation. The Testo heat pump kits. 

Heat pump kit testo 557s 

with Bluetooth ® and 4-hose filling set 

• Practical kit for the commissioning, 

service and maintenance of heat pumps 

• Digital manifold with 4-way valve block 

Included in the kit: 

• Set of 4 filling hoses 

• 2 x wireless temperature probes 

• Wireless vacuum probe 

• Transport case (incl. calibration certificate and 

batteries) 

Heat pump kit testo 550s 

with Bluetooth ® and 4-hose filling set 

• Practical kit for the commissioning, 

service and maintenance of heat pumps 

• Digital manifold with 2-way valve block 

Included in the kit: 

• Set of 3 filling hoses 

• 2 x wireless temperature probes 

• Transport case (incl. calibration certificate and 

batteries) 

New! 

XXX.XX € XXX.XX € 

Order no. 0564 5572 Order no. 0564 5503 

testo Smart Probes 

Refrigeration kit with 

smartphone operation 

• 2x testo 115i clamp thermometer 

• 2x high pressure measuring instrument 

testo 549i 

• testo Smart Case 

Order no. 0563 0002 10 

XXX.XX € 

testo 316-3 

Leak detector for refrigerants 

• High sensitivity (< 4 g/a) 

• Easiest operation with a single button 

Order no. 0563 3163 

XXX.XX € 

testo 316-4 

Leak detector for refrigerants 

• Very high sensitivity (< 3 g/a) 

• Visual and acoustic alarm for optimum 

leakage detection 

Order no. 0563 3164 

XXX.XX € 

5

testo 868 

Super vision. 

Super documentation. 

The thermal imager 

testo 868. 

The thermal imager testo 868 is ready to go for you when 

you need to check radiators and underfloor heating 

systems, discover leaks fast, localize pipes and lines or 

carry out quick function tests. You are equipped for every 

job with the best thermal image quality in its class, the 

automatic hot and cold spot recognition, the free App for 

easy analysis and reporting on site, as well as our free 

analysis software for creating professional reports. 

Product video 

testo 868 

testo Thermography App 


NOW IN 

Download at 


• Automatic hot-cold spot recognition directly displays 

critical temperature conditions 

• The App allows mobile end devices to be used 

as a second display or remote control 

• IFOV warner for determining distance to the 

measurement object – avoiding errors 


• Image quality with IR resolution of 160 x 120 pixels 

(with testo SuperResolution technology 320 × 240 pixels) 

• Built-in digital camera generates a real image – 

parallel to the thermal image 


• Create reports directly on site, save them online and send them 

by e-mail with the testo Thermography App 

• Free analysis software testo IRSoft for creating detailed reports 

6

Hotly sought after by pros. 

Testo thermal imager 

at a promo price. 

testo 868 thermal imager 

Ideal for checking radiators and underfloor heating, for detecting 

leaks and for the localization and function testing or pipes and 

lines. 

• Image quality with IR resolution of 160 x 120 pixels 

(with testo SuperResolution technology 320 × 240 pixels) 

• Thermal sensitivity of 0.10 °C 

• Free analysis software and App for report creation 

Promo! 

Order no. 0560 8681 

XXX.XX € 

You save xxx.xx € 


• Image quality thanks to IR resolution 

of 160 x 120 pixels (320 x 240 with 

testo SuperResolution) 


• Automatic detection of hot 

and cold spots 






• Wireless connection possible via 

Bluetooth probe for temperature and 

humidity 






• Integrated laser marker – is also exactly 

visible as the measurement point in the 

thermal image 

Order no. 0560 8650 Order no. 0560 8712 

Order no. 0560 8721 


XXX.XX € 

testo Thermography App 

With the testo Thermography App, your smartphone/tablet becomes a second display, and a 

remote control for your thermal imager. In addition to this, you can use the App to create and 

send compact reports on site, and to save them online. Free for Android or iOS. 

7

40 

years 

Testo flue gas 

analyzers 

Even better equipped: More measuring 

instruments for the heating season 

testo 310 

Flue gas analyzer 

Entry-level flue gas analyzer for the 

direct measurement of O₂, CO, exhaust 

gas and ambient temperature. 

testo 320 basic kit 

Flue gas analyzer 

Especially compact flue gas analyzer for 

oil and gas plants, measures exhaust 

gas, flue draught and pressure. 

testo 440 db 

Climate measuring instrument 

For the adjustment of air conditioning 

and ventilation systems, the monitoring 

of air quality or comfort measurements. 

Order no. 0563 3100 

XXX.XX € 

Order no. 0563 3223 70 

XXX.XX € 

Order no. 0560 4402 

XXX.XX € 

Smart Probes 

testo 915i 

Thermometer operated 

with your smartphone 

For wireless temperature measurement 

in the most diverse applications 

thanks to large selection of 

probes and compatibility with common 

Type K thermocouple probes. 

Order no. 0563 4915 

XXX.XX € 

New! 

XXX.XX € 

testo 915i 

Temperature kit 

• Air probe 

• Immersion/penetration probe 

• Surface probe (all TC Type K, Class 1), 

• Stowing bag 

• Batteries and calibration protocol 

Order no. 0563 5915 

testo 115i 

Clamp thermometer 

operated via smartphone 

Easy measurement of flow 

and return temperature, 

Bluetooth ® range up to 

100 m. 

Order no. 0560 2115 02 


Heating kit 

Compact kit with three measuring 

instruments in robust testo Smart Case: 

• testo 115i clamp thermometer 

• testo 510i differential pressure 

measuring instrument 

• testo 805i IR thermometer 

Order no. 0563 0004 10 

CO probe, fixed cable 

Order no. 0632 1272 

Order no. 0615 1212 

Order no. 0615 1712 

EUR xxx.xx 

Waterproof immersion/ 

penetration probe 

Robust air probe 

Clamp probe 

EUR xxx.xx 

EUR xxx.xx 

Optional instruments for testo 440 db 

XXX.XX € 

New! 

XXX.XX € 

Order no. 0615 5505 

EUR xxx.xx 

8

testo 324 

Gas and water kit 

Pressure and leakage quantity measuring 

instrument testo 324 with Bluetooth ® 

interface, incl. system case with feed 

unit, high-pressure probe, high-pressure 

connection, Y-distributor as well as other 

important accessories. 

testo 316-1 

Gas leak detector 

For leaks in natural gas lines, with 

audible and two-level optical alarm in 

cases of limit value violation. 

testo 316-2 

Gas leak detector 

Reliably detects methane, propane 

and hydrogen in the air, presents the 

gas concentration in the display as a 

simplified bar, and provides alarms in 

case of limit value violation. 

Order no. 0563 3240 77 

XXX.XX € 

Order no. 0632 0316 

XXX.XX € 

Order no. 0632 3162 

XXX.XX € 

testo 510 

Differential pressure kit 

Differential pressure measurement 

on gas boilers or at air conditioning 

system filters, as well as flow velocity 

measurements in ventilation ducts using a 

Pitot tube, incl. silicone connection hose, 

protective cap. calibration protocol, belt 

holder and batteries. 

Order no. 0563 0510 

XXX.XX € 

testo 510i 

Differential pressure measuring 

instrument operated with your 

smartphone 

For the measurement of differential 

pressure on gas boilers, air flow velocity 

and volume flow. 

Order no. 0560 1510 

XXX.XX € 

Use the testo Smart App for all your 

refrigeration, air conditioning, heating 

and ventilation applications with the 

Bluetooth measuring instruments 

from Testo. The App features intuitive 

measurement menus and smart 

functions such as creating and 

sending digital measurement reports. 

testo Smart App 


NOW IN 

Download at 

More measuring instruments 

for the heating season at 

www.testo.com 

9

Even more tools which give their all 

for an optimum comfort climate. 

Smart Probes with smartphone operation testo 440 

testo 440 

Hot wire kit 

For effortless measurement at air and 

ceiling vents. 

• testo 440 air velocity & IAQ measuring 

instrument 

• Hot wire probe (Ø 9 mm) with fixed 

cable (length 1.7 m) including 

temperature sensor, with telescope 

(can be extended to 0.85 m) 

• testo Smart Case 

Order no. 0635 9432 

Order no. 0563 4170 

Order no. 0563 4400 Order no. 0554 0960 Order no. 0563 4171 


VAC kit 

Ideal for measurements on ventilation 

systems. 

• Thermal anemometer testo 405i, incl. 

extendible telescope 

• Vane anemometer testo 410i 

• Thermohygrometer testo 605i 

• Infrared thermometer 

• In the robust testo Smart Case 


Mould kit 

For early identification of mould risk. 

Order no. 0563 0003 10 Order no. 0563 0005 10 

testo 405i 

Thermal anemometer 

Measures flow velocity and temperature, 

ideal for measurement in ducts. 

Vane probe (Ø 100 mm) testovent 417 

flow straightener kit 

XXX.XX € 

Extendable telescope testo 417 

vane anemometer kit 

XXX.XX € XXX.XX € XXX.XX € 

• Temperature and humidity measuring 

instrument testo 605 

• Infrared thermometer testo 805i 

• In the robust testo Smart Case 


testo 410i 

Vane anemometer 

Measures flow velocity and 

temperature, ideal for measurement 

at vents. 

XXX.XX € 


HVAC/R Ultimate kit 

The ultimate kit for measuring temperature, 

humidity, flow velocity and pressure. 

2 x clamp thermometer testo 115i 

2 x high-pressure measuring instrument 

testo 549i 

2 x thermohygrometer testo 605i 

1 x thermometer testo 915i 

1 x infrared thermometer testo 805i 

1 x thermal anemometer testo 405i 

1 x vane anemometer testo 410i 

1 x differential pressure measuring 

instrument testo 510i 

1 x testo Smart Case 

Optional instruments for testo 440 db 

Order no. 0560 1405 

Order no. 0560 1410 

Order no. 0563 0002 32 

XXX.XX € XXX.XX € XXX.XX € 

10

The heating season is coming. 

We’re sending the reinforcements. 

Temperature & humidity & material moisture 

testo 830-T2 

Infrared thermometer 

With laser measurement spot marker 

for non-contact surface temperature 

measurement. 

Order no. 0560 8312 

testo 174 T kit 

Mini temperature data logger 

For continuous temperature 

measurements, measurement data 

memory for 16,000 values, incl. mini data 

logger USB interface for programming 

and readout, and wall bracket. 

Order no. 0572 0561 

testo 606-2 

Humidity measuring instrument 

For recording wood and material 

moisture as well as air temperature and 

air humidity. 

Order no. 0560 6062 


testo 174 H kit 

Mini data logger 

For continuous temperature and air 

humidity measurements, measurement 

data memory for 16,000 values, incl. 

mini data logger USB interface for 

programming and readout, and wall 

bracket. 

Order no. 0572 0566 


Electrical measurement parameters 

testo 745 

Non-contact voltage tester 

• Adjustable for phase detection or 

voltage indication 

• Visual and acoustic signal 

Order no. 0590 7450 

XXX.XX € 

testo 760-2 

Digital multimeter 

For measuring current, voltage and 

resistance. 

• Automatic measurement parameter 

recognition 

• Current measurement in the µA range 

• True root mean square measurement TRMS 

Order no. 0590 7602 

XXX.XX € 

testo 750-2 

Voltage tester 

• Patented all-round LED display 

• In accordance with DIN EN 61243-3:2011 

and CAT III 

• With flashlight for measurement point 

illumination 

• Including RC trigger function and vibrating 

load buttons 

Order no. 0590 7502 

XXX.XX € 

testo 770-3 

Clamp meter with Bluetooth ® 

Get a good grip on cables even when things 

are tight. 

• Easy to work with thanks to the 

fully retractable pincer arm 

• Auto AC/DC and large two-line display 

• Bluetooth connection to smartphone 

(with testo Smart Probes App) 

Order no. 0590 7703 

XXX.XX € 

11

Always on the safe side: 

With the Testo services 

We have the answers 

to your questions 

If you need assistance with 

certain measurement jobs, or 

if we can advise you on which 

measuring instrument is best 

suited to your application: 

Our experts are there for you. 

Contact 

Repair, service 

and instrument loans 

So that you’re always ready 

for action, we offer a 24-hour 

spare part service, including 

collection and delivery service 

as well as loan instrument 

service, for all Testo flue gas 

measuring instruments. 

Calibration: More 

precision, more security 

In our accredited laboratories, 

we ensure that your 

measurement technology 

works standard-compliantly 

and precisely. 

0981 XXXX/msp/05.2021 – Subject to change, including technical changes, without notice. 

All prices net, plus shipping costs and VAT, valid from 01/01/2021. Payment 30 days net. 

www.testo.com

Heating-2021-Brochure-WEB-EN

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