Aufmaster — FAQ
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Designed and manufactured in Germany

FAQ

Everything you need to know about Aufmaster.

In general, measurement refers to the recording of dimensions and quantities of an object or a construction. It is used to obtain precise information about the actual condition and forms the basis for further planning and calculations.

In the electrical industry, measurement is applied specifically to electrical installations and equipment. It includes the measurement and documentation of electrical lines, cables, switches, distribution boards, switch boxes and other electrical components. Measurement in the electrical industry makes it possible to obtain accurate information about the lengths of cables, the positioning of switches and distributors, the number of sockets, and other details.

Measurement in the electrical industry is important for several purposes:

  1. Planning: By accurately measuring electrical installations, detailed plans can be created to serve as the basis for planning new installations or renovations.
  2. Calculation: The measurement makes it possible to calculate the required quantities of materials such as cables, switches, sockets, etc. in order to make accurate cost estimates.
  3. Documentation: Measurement provides an accurate record of existing electrical installations, useful for future reference, maintenance, or alterations.
  4. Safety and Compliance: The survey can verify that the electrical installations comply with applicable safety standards and regulations.


The measurement in the electrical industry is usually carried out by electrical specialists, electrical engineers or electricians who have the necessary expertise and experience in electrical installation technology.

In the field of billing, measurement plays an important role, especially when it comes to costing construction projects. Once the measurement has been carried out and accurate information is available on the dimensions and quantities of the electrical installations, this data can be used to calculate the costs of material procurement and labor.

The recorded measurement data allows billing departments to create accurate cost estimates. They can use the lengths of wires, number of switches, outlets, and other electrical components to determine the quantities of materials needed. Based on current market prices of materials and labor hour costs, the total cost of electrical installation can be calculated.

Measurement also plays an important role in reviewing invoices and billing for services rendered. By comparing the work actually performed on the job site with the recorded measurement data, discrepancies, or discrepancies can be identified. This helps to create accurate billings and ensure that the work actually performed is recorded and paid for correctly.

In summary, in the electrical industry, measurement is not only important for planning and documenting electrical installations, but also has a direct impact on costing and billing of construction projects. It enables accurate cost estimation, verification of services rendered and preparation of correct invoices.

A measurement app can offer you a number of benefits as an electrician. Here are some of the most important benefits:

  1. Increased efficiency: With a measurement app, you can record your measurement data quickly and efficiently. Instead of manually recording measurements or routing work and making sketches, you can use the app to enter measurements directly or even record them with the Aufmaster AM1 cable length measuring device. This saves you time and reduces errors when transferring data manually.
  2. Accuracy: An allowance app helps you capture accurate measurements on site. The app can integrate precise measurement tools like the Aufmaster AM1 cable length measuring device and help you minimize errors or inaccuracies. This will help you achieve more accurate results and avoid potential problems later in the project.
  3. Data organization:A measurement app allows you to easily organize and manage measurement data. You can save and categorize items, recorded measurements, notes, and photos directly in the app. This makes it easier for you to search and access relevant information later on throughout the project.
  4. Calculation and Cost Management: With an allowance app, you can use the captured data to automatically calculate material quantities and costs. The app can access preset price lists or current market information and generate accurate cost estimates. This makes it easier for you to manage costs and helps with quoting and invoicing.
  5. Communication and Collaboration: A measurement app can improve communication and collaboration between you, project managers, and other stakeholders. You can easily share the data you capture, whether by exporting PDFs, sharing files, or accessing cloud-based platforms, such as Aufmaster Plus. This allows you all to stay on the same level of information and minimize any misunderstandings.
  6. Updating and customization: An allowance app allows you to make changes or additions to the captured data. For example, if project requirements change or additional measurements are needed, you can update the data in real time and adjust the plans accordingly.


Overall, a measurement app can improve your productivity, accuracy, organization, and communication as an electrician. It provides you with an efficient tool for measuring and supports the entire process from planning to billing electrical installation projects.

When you combine our free measurement app with the Aufmaster AM1 cable length measuring device, you'll get maximum efficiency out of each of your job sites.

A very good measurement app is characterized by several features. Here are some important features that a high-quality measurement app can have:

  1. User-friendliness: A good measurement app should be easy to use, quick to learn, multilingual and user-friendly. Navigating through the app, entering data and accessing various functions should be intuitive and without major hurdles
  2. Connection to measuring tools: A high-quality measurement app should offer connectivity to measuring tools, such as the Aufmaster AM1 cable length measuring devices, to capture accurate measurements on site.
  3. Flexibility and Adaptability: A good measurement app should be adaptable to different project scenarios and requirements. It should offer the ability to create custom lists, items, or templates to capture specific measurements or information relevant to the electrician.
  4. Data organization and management: A high-quality measurement app should provide efficient data organization and management. Storing and categorizing measurement data, adding annotations, managing photos and notes, and being able to easily search and retrieve data are important features.
  5. Integration and sharing of data: A good measurement app should allow integration with other tools or platforms. It should provide the ability to export data in various formats, share it with other team members, or import it into other software applications such as Aufmaster Plus.
  6. Offline availability: A useful feature of an allowance app is the ability to work offline. This allows electricians to take measurements in environments without an Internet connection and later synchronize the data when a connection is restored.
  7. Security and privacy: A trusted measurement app should ensure the security and privacy of the data it collects. It should implement robust security measures to protect sensitive information and comply with privacy regulations.
  8. Support and Updates: A good measurement app is regularly updated and improved. It should offer reliable customer support that is available when questions or problems arise, and app developers should provide regular updates to fix bugs and add new features.


These features can help a measurement app be considered very good and provide electricians with an efficient and reliable solution to capture, manage, and use their measurement data.

The right terminal for your measurement app on the construction site depends on various factors, including your personal preferences, your requirements, and the app's operating system. Of course, the cost factor also plays an important role. For example, Android devices (Huawei, Samsung, Oukitel…) are often significantly cheaper than iOS devices (Apple).  

Here are some common options that may be suitable for using a measurement app on the construction site:

  1. Smartphone: A smartphone is a practical choice for many electricians on the jobsite. Most smartphones offer a good combination of mobility, power, and connectivity. They are handy and easy to use, and there is a wide selection of measurement apps for both Android and iOS. Make sure the smartphone has enough memory, is well protected (either with a rugged protective case or directly from the manufacturer), has good camera quality, and adequate battery life to meet the needs of your surveying app.
  2. Tablet: A tablet can offer a larger screen size, which can be especially beneficial when viewing plans, sketches or detailed survey data. A tablet also offers longer battery life compared to smartphones. There are measurement apps that are optimized specifically for use on tablets. If you often need to capture extensive measurement data or view detailed plans on the construction site, a tablet can be a good choice.
  3. Laptop or notebook: In some cases, it may make sense to run a measurement app on a laptop or notebook. This can be especially relevant if you want to do extensive data processing or detailed calculations. A laptop typically offers a larger keyboard and display, which can make it easier to enter data and view information. Note, however, that mobility may be more limited with a laptop compared to a smartphone or tablet.


When choosing the right terminal for your site measurement app, it's important to consider your individual needs and priorities. Also remember that the hardware of the device should meet the requirements of the app and the potentially harsh environment. Therefore, check the system requirements of your chosen measurement app in advance to ensure that the device you choose is compatible.

We are happy to help you with the right selection of suitable end devices for use on your construction sites.

The Aufmaster can measure any cable with a cross-section of 0.25 to 16 mm² and at least two metallic conductors. Fiber optic cable is therefore not possible.

The Aufmaster has a protection class of IP54. This means it has complete protection against accidental contact and is protected from splashing water on all sides.

The Aufmaster must always be connected with two wires from the cable. Accordingly, it can not measure pure single-wire cables.

The Aufmaster can handle cable cross-sections between 0.25 and 16 mm² without any problems. The clamps supplied as standard are suitable for cross-sections up to 4 mm². However, these can be independently replaced with larger clamps at any time.

At Aufmaster, we maintain a gigantic cable database that grows daily. So chances are huge you can just plug the Aufmaster to the cable, scan or search for the cable in the Aufmaster app, and get started right away.

You simply create new cable types yourself in the Aufmaster app and measure them with a reference piece of the new cable (it must be at least 20 m (65 ft) long). Afterwards you can use the new cable type freely in the Aufmaster App, just like all other cable types. We show how this works in this video.

The battery of the Aufmaster is fully charged within 2 hours and lasts up to two weeks on construction sites.

No. The battery is completely encapsulated with protective dimensions due to the IP54 device protection class.

Of course, you can. You can replace our standard WAGO connection clamps (go up to 4 mm²) with your favorite ones at any time. You can also connect test probes. The only important thing is that the connecting cable on the Aufmaster is not unnecessarily extended.

No, the Aufmaster is not gauged.

The eight colors are used for easy identification in the Aufmaster app and on the construction site as soon as several Aufmasters are in use at the same time.

The connection between Aufmaster and Android smartphone or tablet is made via Bluetooth.

Yes, you can. The number of connected Bluetooth devices is defined and varies by the smartphone manufacturer. We do not directly limit the maximum number of connected Aufmasters in the Aufmaster app. However, we recommend not to use more than 5-8 Aufmasters at the same time in order not to overload the Android device's performance.

The connection between Aufmaster and smartphone or tablet is established via Bluetooth Low Energy. In the open field, you have a stable connection within a radius of at least 35m. Indoors, the range is 15 - 30m. It can decrease depending on the environment due to walls, metal shelves, machines, etc. If the connection is lost, an audible signal is emitted by your Android device that cannot be overheard.

The Aufmaster then stores all measurement data on an internal memory for up to 10 minutes and retransmits them as soon as the Android device is reconnected to the Aufmaster.

The Aufmaster does not have a built-in GPS module. However, once a cable reel has been successfully commissioned, the Aufmaster app saves the current location of the cable reel (GPS data from the smartphone). Provided that authorization has been granted in the Aufmaster app.

No, the Aufmaster must always be used in conjunction with the Aufmaster app. You can download the Aufmaster app for free from the Google Play Store. It is not possible to use without the Aufmaster App.

We have equipped the Aufmaster with two screw holes. So you can easily fix it to the drum with two matching screws. If the Aufmaster is connected to a cable ring, it is best to place it in the middle of the ring. It does not mind that. The only important thing is a stable connection between the Aufmaster and the connected cable using the clamps.

We show how this works in this video.

For automatic cut detection, the Aufmaster is connected to the inner end of the cable drum or cable ring. To do this, strip a small piece of insulation and connect the two exposed wires to the clamps of the Aufmaster. The polarity does not matter. When determining the length of cables, the connection side is also irrelevant. The Aufmaster can then also be connected to the side where the cable is normally pulled out.

We show how this works in this video.

Yes, this works – however, there is no separate function for this in the Aufmaster app.
The following scenario: A cable with a length of 100 meters is connected to the Aufmaster and the Aufmaster determines a length of 30 meters, then it can be assumed that there is a short circuit after 30 meters.

We would like that, but it depends. If you're pulling cable in parallel with multiple drums at the same time, then, of course. If that's not the case, you can simply mount the Aufmaster on another drum after you've done your work, configure it, and keep on working. This applies equally to inventory management and construction site mode.

Yes, Aufmaster Plus will then remain free of charge for you. You can create articles, projects, and measurement protocols as you wish. If it's enough for you to just check your data in your web browser, that's absolutely fine with us.

And if you do need to export your measurement protocols at some point, you can buy credits and start the export at any time.

You have the option of paying by credit card, PayPal or SEPA direct debit.

Not yet, still to come. But no need to be sad now. We will be happy to recommend inexpensive Android devices suitable for construction sites that work perfectly with Aufmaster. Just write to us.

Only cables that are not yet in our cable database must be measured once with a reference piece that is at least ≥ 10 meters. We recommended pieces ≥ 20 meters. This can be done in a few seconds using the Aufmaster app. They are then available for selection in the cable database.

No. There are no subscriptions. You buy credits for the export of your measurement protocols as required.

Yes, without any problems. All measurement protocols for length and section detection are stored on your smartphone or tablet.

If you use Aufmaster Plus, your measurement protocols are transferred to the cloud as soon as the internet connection is restored. To do this, you must first log in once with an existing internet connection.

Of course! The software is currently available in German, English, French, Indonesian, Polish, Slovakian, Spanish, and Czech. Further languages are in preparation.

The user manual for the measuring device are available in German and English.

If you use Aufmaster Plus, you can easily export your measurement protocols as CSV via our office software. CSV is very generic and is understood by all systems. There is not yet a direct interface. But it's on our agenda for 2024.

Without Aufmaster Plus, you can send all measurement logs as PDFs by email.

The Aufmaster app works on Android devices from Android 7 (Nougat).

No, the Aufmaster Plus office software runs in the web browser and is therefore completely independent of the operating system.

The Aufmaster app is currently available for Android. It can therefore not be installed on the PC.

No, never. Our Aufmaster software updates (for the app and Aufmaster Plus office software, as well as for the Aufmaster hardware) are free of charge.

Access to the Aufmaster software is free of charge. You can download the app at any time, create an Aufmaster Plus company account and take a look at our software.

Yes, there is one. If you need help with the setup or have any other questions, you can find quick help in our help portal.

Measuring devices can be returned to us within 14 days.

No, you must pay for all returns to us yourself. We will not provide a shipping label.

Please send all returns to the following address: Ticket to Mars GmbH – Grüneburgweg 106 – D-60323 Frankfurt am Main.

A refund will be issued as soon as the device(s) have been returned to us and inspected.
Within 14 days, the amount due will be refunded to the payment method used at the time of purchase.

Shipping takes place within the EU. The costs for deliveries abroad are to be paid by the customer,
and will be specified in the respective offer.

Shipping within Germany is free of shipping costs. For shipping to other European countries, the shipping costs stated in our offer will apply.

If the shipment is made via one of our sales partners, shipping costs may also apply.

After your successful payment, the package is usually delivered within 2 to 3 business days (Monday to Saturday) within Germany. However, it can sometimes take longer – for example, in the pre-Christmas period or other holidays.