Digitech BT 

Simplify Your Fieldwork and Collect accurate measuring data securely, and wirelessly share with others!

The Digitech BT Caliper

The Digitech BT is a powerful electronic caliper, developed to communicate wirelessly on-line with mobile devices and existing field data collection systems.

The low weight and ergonomic design will give you the same feeling as when working with a manual caliper.

Digitech BT Advantages

  • Patented foldable jaws
  • Proven reliable measuring system
  • Long lasting rechargeable battery
  • Rugged, IP 67
  • Short start-up time and a user-friendly interface
  • Timber Cruising and Log scaling
  • Smart, built-in features such as cross-measuring and virtual extending the scale by 50cm or 18”.
  • Store locally up to 50.000 data sets
  • Android, iOS, and Windows ready
  • Work with the free app Haglof Link
  • Bluetooth® 4.0 (BLE)

Ready to connect to iOS & Android.

The app Haglof Link are available to download at Google Play or App Store!


Easy operation

One button to controls everything!

By holding down the button and movement in the scale to scroll through the functions.

Wireless Transmission (Online)

With Digitech BT in LINE mode, data is sent wirelessly to IOS or Android devices. Digitech BT continuously sends all data that is recorded, and nothing is stored locally in the caliper.

The transfer uses Bluetooth (BLE) but requires a custom software or application that can handle the data being sent. The app Haglof Link is an example of software that handles this online transfer.

Local storage

Data can also be stored locally in the Digitech BT as (XML) file. By connecting Digitech BT with Haglof Link on your mobile device or using the Windows application Haglof BLE Commander, you can transfear the file wirelessly via Bluetooth and open the file in Excel or other software.


Bluetooth® Low Energy 4.0

With Bluetooth® 4.0 We also support wireless transmission to both IOS, such as iPhones, iPads or Android
devices. It is possible to send data wirelessly up to 100 meters in favorable conditions.


Digitech BT has patented foldable jaws for convenient storage and transport. It is sturdy and lightweight, smooth to handle and extremely rugged. Exclusive, non-reflecting anodized aluminum scale, from 320 to 1020mm or 12” to 40” inch as standard lengths.

Digitech BT package includes: Digitech BT Caliper, Carrying case, USB cable, adapter, charger and user guide.

Haglof Link

Short start-up time and a user-friendly interface

The App Haglöf Link can receive data wirelessly when working in Line Mode or a complete inventory file if the measurements have been stored Local in the Digitech BT. Haglof Link is a free App available on both Google Play and App store.

Use Digitech BT in LINE mode and collect data wirelessly as you measure.

  1. Choose Tree inventory or Log Scaling.
  2. Create a new inventory list or select an exciting list.
  3. Connect the Digitech BT and start measuring

Tree Inventory

In LINE mode Digitech BT transmit Species, Diameters and Heights to Haglof Link.

Log Scaling

In LINE mode Digitech BT transmit Species and Diameter to Haglof Link. Length, ID, and Quality can be added in Haglof Link.


Use Digitech BT in LOCAL mode. Data is stored locally in the Caliper as a XML file. Once your work is done, send the XML file to Haglof Link Files.

Files sent to Haglof Link will be stored in Haglof Link file explorer and can be shared via email, Drop- box, iCloud, Google Drive etc. The XML files can be opened directly from your mobile device if you have an app that supports the file format e.g. Excel.


Haglof Link handles files from Digitech BT, MD II, DP II, Vertex Laser Geo and Laser Geo that have Bluetooth 4.0.

The app Haglof Link are available to download at Google Play or App Store!

Memory capacity: 50000 data sets. Data set: 2 diameters, One height and Specie code 1-8.
Temperature:  ‐20° to +45°C / ‐4°F to 113°F
Battery:  Rechargeable Li-Ion 3.7 voltage, 150 mAh.
User interface:
  • Graphical display 48×16 pixels
  • One button
  • Signal Buzzer
  • U Mini-USB for battery charging
Measuring system: Non-contact. Accuracy: +-1mm or 0.039 inch
Jaws: Patented foldable
Measuring range: From 320mm/12” to 1020mm/40” (standard).
Diameter resolution: 0.1mm/0.01” (Line Mode), 1mm/0.1” (Local Mode)
Weight: 764g/27 oz. (500mm/18” model)
Display:  Graphic, 128 x 64 pixles backlit, graphic interface.
Communication:  Wireless interface; Bluetooth 4.0 Low Energy (BLE), GATT database.
Classification:  IP67 Moist/dust resistant, CE, FCC, IC


Digitech BT 320 mm

Digitech BT package includes:

  • 1 Digitech BT caliper
  • 1 Carrying case
  • 1 Mini-USB cable for battery charging
  • 1 USB Mini Adapter
  • 1 Wall Charger USB
  • 1 User guide
Digitech BT 400 mm
Digitech BT 500 mm
Digitech BT 600 mm
Digitech BT 650 mm
Digitech BT 800 mm
Digitech BT 950 mm
Digitech BT 1000 mm
Digitech BT 1020 mm
Digitech BT 12 inch
Digitech BT 16 inch
Digitech BT 18 inch
Digitech BT 24 inch
Digitech BT 30 inch
Digitech BT 36 inch
Digitech BT 40 inch