Precision Measurement Starts Here.

Trusted instruments and accredited calibration for temperature, humidity, airflow, and more — serving professionals since 1976.

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Unique, time-efficient adjustment of ventilation

Adjusting ventilation doesn’t get any easier than this. All you need is our Celsicom V600 adjustment tool, an optional air flow meter and a mobile or tablet device. With this at hand, you can perform super-efficient adjustments. Even on really large ventilation systems. All on your own. Just connect the Celsicom meter to the reference device and you can start adjusting airflows using automatically, accurately calculated and updated measurement data.

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Easy settings for precise adjustments in Celsiview

Here are some views that show you how to quickly and easily get started with accurate, time-efficient adjustments of ventilation 
systems on your mobile phone or tablet.

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In the "Ventilation" menu item, select the sensor (reference flow meter) to be used for the adjustment.

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You simply set the values for the reference sensor and all other sensors included in the adjustment.

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Based on the current values of the reference actuator, Celsiview constantly calculates updated values for all actuators you are going to adjust.

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Celsiview makes it easier and gives you up-to-date measurement data

Here are the main benefits of our web-based cloud service:

  • Here are the main benefits of our web-based cloud service:
  • Shows the reference device flow (l/s), pressure (Pa) and flow as a percentage of the design flow
  • Calculates the flow rates to which all valves in the ventilation system should be adjusted
  • If a pressure change occurs, all values are recalculated in seconds
  • Saves a lot of time as the reference device does not need to be checked several times
  • Enables a ventilation technician to perform large and small adjustments all by himself

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

Lorem Ipsum is simply dummy text of the printing.

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

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The parts of the Blower Door from Retrotec

Fan

big-fan

Used to pressurize the building. The robust fan (with a 10-year warranty on the shell) is precision calibrated, has large, easy-to-grip knobs and can withstand high air pressures without deforming or cracking.

Differential pressure gauges

pressure_gauge

Ergonomic gauge with Wi-Fi and Bluetooth. Features color-coded connections, apps for practice and leak testing, and high-resolution touchscreen with real-time display of pressure value curves.

Door panel

door_panel

Mounted together with the fan in the front door opening. Consists of a powerful and easy to assemble aluminum frame and a door cloth that allows very accurate pressure values.

Fan

big-fan

Used to pressurize the building. The robust fan (with a 10-year warranty on the shell) is precision calibrated, has large, easy-to-grip knobs and can withstand high air pressures without deforming or cracking.

Fan

big-fan

Used to pressurize the building. The robust fan (with a 10-year warranty on the shell) is precision calibrated, has large, easy-to-grip knobs and can withstand high air pressures without deforming or cracking.

Precision Measurement Starts Here.

  • Heating system

  • Cooling/air conditioning

  • Indoor environments / walls

  • Leakage

  • Electrical system

  • Mechanical equipment

Heating system

Heating system

Heating systems can be tested very quickly with the testo 860i. The DeltaHeat measurement program helps you determine the distribution of supply and return temperatures on radiators.

In the event of deviations, information is provided about possible causes and a proposed course of action based on Delta T.

Cooling/air conditioning

Cooling/air conditioning

You can check refrigeration and air conditioning systems quickly and easily with the testo 860i. The DeltaCool measurement program helps you determine the temperature difference with step-by-step instructions.

Indoor environments / walls

Indoor environments / walls

Moisture, for example, in walls can be visualized very clearly in the thermal images. The camera's moisture function uses the traffic light principle to show where there are thermal weak points and the risk of mold. You can manually enter the desired measured values ​​for room temperature and humidity or transfer them automatically to the testo Smart app, for example with the testo 605i humidity and temperature sensor (optional).

Leakage

Leakage

Hidden defects such as water leaks can be detected quickly with the testo 860i without you having to do any damage to walls, floors and ceilings.

Electrical system

Electrical system

With the testo 860i you can quickly and easily identify hotspots on individual components and entire electrical systems.

Alternatively, the testo 770-3 clamp meter connects to the testo Smart app. For example, when checking a control cabinet, you can record the load status together with the thermal image and reliably assess the condition of the system.

Mechanical equipment

Mechanical equipment

The testo 860i is also perfect for preventive maintenance of components and mechanical systems. The camera quickly detects heat build-up on motors, shafts, etc.

All Products

Blower Door – retrotec 5100

75 290 :- Art.nr 3940 1002

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Blower Door – retrotec 5100

75 290 :- Art.nr 3940 1002

cartIcon Add to Cart

Blower Door – retrotec 5100

75 290 :- Art.nr 3940 1002

cartIcon Add to Cart

Blower Door – retrotec 5100

75 290 :- Art.nr 3940 1002

cartIcon Add to Cart

Blower Door – retrotec 5100

75 290 :- Art.nr 3940 1002

cartIcon Add to Cart

Testo Smart Apps.

Both scale and valve have stable Bluetooth connectivity and are powered by replaceable batteries and have a long operating time. They are compatible with the testo Smart app which gives you a clear overview of the filling process and the ability to store all important measurement values.

The testo Smart app is available on Google Play and the App Store. It is free to download and use.

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

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Discover innovations that take you further.

The new testo 565i enables fully automatic vacuum cleaning of refrigeration systems and heat pumps. The vacuum pump automatically stops the process when the target value is reached and performs a hold test immediately afterwards. All you have to do is start the vacuum and the smart pump will take care of the rest.

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What They’re Talking About Company

“Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took.”
client-img2

Vijay Kedar

Co-Founder and CEO

quote
“Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took.”
client-img1

Vijay Kedar

Co-Founder and CEO

quote
“Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took.”
client-img2

Vijay Kedar

Co-Founder and CEO

quote
“Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took.”
client-img1

Vijay Kedar

Co-Founder and CEO

quote
group-gadgets

It is as simple as this.

  1. Connect the scale and valve as well as a pressure gauge rack and a refrigerant bottle to the refrigeration or heat pump system.
  2. Turn on the scale, valve and manometer stand and open the testo Smart app on your phone – all devices are automatically connected to each other via Bluetooth.
  3. Select filling program: sub-cooling, overheating or weight
  4. Enter the desired target value, for example subcooling of 1.7 K.
  5. The scale, valve, manometer rack and app now take care of everything. On your phone, you can check the progress of the refill from time to time.

Meet our product specialists at the fair

Here are the people who will be at Nordtec’s stand at Nordbygg. Stop by for a demonstration of measurement products that may be of interest to you or if you want help with a specific measurement problem.
team1

Pelle Pedersen

Cooling/Heating, Energy & Climate

Pelle Pedersen

Cooling/Heating, Energy & Climate

"The testo 560i refrigerant scale will undoubtedly revolutionize the everyday life of refrigeration technicians"

team2

Mats Landin

Construction, Ventilation & Climate

Mats Landin

Construction, Ventilation & Climate

"The testo Smart app turns your mobile into a truly effective measurement and analysis tool."

team3

Amanda Lööv Miljevic

Food & Life sciences

Amanda Lööv Miljevic

Food & Life sciences

"Small, discrete data loggers can really make a big difference in temperature-critical environments."

oveSodergren

Ove Sodergren

Food & Life sciences

Ove Sodergren

Food & Life sciences

“Saveris 1 or Saveris 2 measurement system – your needs for flexibility and data security decide.”

Jens-Akervall

Jens Akervall

Construction, Ventilation & Climate

Jens Akervall

Construction, Ventilation & Climate

“Our connected, cloud-based measurement solutions are increasingly in demand in construction and real estate.”

All Products

product1
testo 925 – temperature meter type K
product2
Measurement kit for temperature measurement in asphalt
product3
testo 922 – differential temperature meter type K
product4
testo 625 – moisture & temperature meter 
product1
testo 925 – temperature meter type K
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The app that really lives up to its name.

The testo Smart app is free to download and is available on both the App Store and Google Play. It allows you to have access to all current measurement data at all times. You can do this using the app:

  • Configuring your measuring instruments
  • See graphical measurement value curves
  • Store all measurement data
  • Managing customers and measurement sites
  • Document all measurement jobs
  • Emailing reports to customers

Our Customers

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sisyphus
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The app that really lives up to its name.

270

testo 270 BT : Temperature measurement directly in the hot frying oil used.

Fast and reliable control of the most important measurements for good oil quality and good fried food. Including easy documentation in the testo Smart app.

110

testo 110 Food : Interchangeable sensors for versatile temperature measurement.

User-friendly interface for easy, fast and accurate measurements including complete documentation in the testo Smart app.

104

testo 104-IR BT : Handy thermometer with both IR and plug-in measurement.

Accurate measurement of surface and core temperatures as well as reliable and safe documentation in the testo Smart app. Quick and easy in every step.

270

testo 270 BT : Temperature measurement directly in the hot frying oil used.

Fast and reliable control of the most important measurements for good oil quality and good fried food. Including easy documentation in the testo Smart app.

270

testo 270 BT : Temperature measurement directly in the hot frying oil used.

Fast and reliable control of the most important measurements for good oil quality and good fried food. Including easy documentation in the testo Smart app.

Our Services

courses

Courses

What do you need help with? You are always welcome to visit, email or call us. We always aim to help you as quickly as possible.

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

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Calibration

We offer lab and field calibration of measuring equipment from all brands. We are accredited for the calibration of temperature, humidity, over/under pressure and differential pressure.

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

service

Service

In our well-equipped workshop, we can weld sensors, check for suspected leaks, replace broken screens and circuit boards - to name a few common service issues.

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

contact

Contact / support

Field calibration means that we calibrate measuring equipment at your site. Useful if you have fixed sensors, instruments and loggers that are difficult to take down.

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

calibration-img

Calibration

We offer lab and field calibration of measuring equipment from all brands. We are accredited for the calibration of temperature, humidity, over/under pressure and differential pressure.

Heading 1

with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

Lorem Ipsum is simply dummy text of the printing.

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

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