ZORN INSTRUMENTS ZORN D plus User manual

Quick Guide
ZORN D plus
The ZORN D plus is made for the wire-
less handling of your Light Weight
Deflectometer ZFG and serves the
generation of complete test reports on
your Android or iOS device (from And-
roid 4.4 and iOS 8 on).
Before using the ZORN D plus, also
read the operating instructions for your
Light Weight Deflectometer.
Subject to change
without prior notice.
Status: 01/2021
Read the operating instructions carefully before using the ZORN D plus!

Measured Data Display
• Underneath the second button on the
main menu you can find the
measurement data, which are
saved in the application.
• You can generate a test protocol from
the saved measurement data subse-
quently.
• You can switch between individual
measurements with the arrows at the
bottom of the screen.
• You can see following information:
• Individual measured values
• Settlement curves
• GPS coordinates
• Photo of the test location
Following requirements are necessary for using the ZORN D plus:
• You need to have the ZORN D plus application on your mobile device.
• You can download the application from the Google Play Store or from the Apple App
Store for free. Alternatively, you can receive the download link for the ZORN D plus
application from us.
• Your mobile device must have a Bluetooth function. The Bluetooth function must be
enabled for the usage with the ZORN D plus.
• Your Light Weight Deflectometer needs to be calibrated together with the ZORN D
plus and they must carry the same serial number.
Please read the instruction manual of your Light Weight Deflectometer before
using your ZORN D plus.
• Protect the device against outside influences such as excessive direct solar radiation,
humidity and soiling!
• Only open the protection cap for charging the device!
• Only use the included charging cable or rather a cable of the same type for charging
the device!
1. Safety Instructions
Measurement Performance
• You can see the home screen. By pressing the button “Take measurement” you can start
the measurement.
• Follow the instructions on your mobile device to perform the measurement.
• The GPS function of your mobile device must be enabled for recording the coordinates.
Preparation
• Assemble the loading plate and the loa-
ding device as it is described in the
according manual.
• Plug in the jack plug of the ZORN D plus
into the plug socket of the loading plate.
This plug socket also serves the connec-
tion between the loading plate and the
usual electronic device.
• Trough the magnets at the bottom of
your ZORN D plus you can place the
device skid-proof on the loading plate
easily.
• The built-in thermometer automatically
measures the environmental temperature.
Connection Establishment
• Turn on your ZORN D plus by pressing
the ZORN INSTRUMENTS logo. The right
blue LED underneath the ZORN INSTRU-
MENTS logo should blink quickly.
• Open the ZORN D plus applica-
tion on your mobile device. Tap
on the first button.
• Automatically, the ZORN D plus applica-
tion starts to search for Bluetooth devices
in the environment. You can see your
ZORN D plus.
• Select the ZORN D plus and press the but-
ton “Connect” at the bottom of the screen.
• The blue LED is now blinking significantly
slower.
2. Usage
You can open the settings by pressing the third button on the home
screen. You can change following settings:
• Appearance and Size: Changes on the user interface
• Language: Language settings in the application
• Use system time: The mobile device’s time is carried over for the measurements
standardly (Note: The time is given in the Standard Greenwich Mean Time Format.
The according time zone indicator is given additionally.).
• Preload: Recording of the preloading pulses can be activated or deactivated.
• Bluetooth-strength scan: Time period for searching Bluetooth devices
• GPS: Recording coordinates can be activated or deactivated
• Measuring type: Choice between the configuration of your ZFG Light Weight Deflec-
tometer loading plate diameter/falling weight (300 mm/10 kg or 300 mm/15 kg)
• Unit: Choice between MN/m² and MPa for Evd value
• Evd Decimal places: Number of the shown decimal places of the Evd value
• s/v Decimal places: Number of the shown decimal places of the s/v value
3. Settings
• After a successful measurement you can
• directly perform the next measurement,
• add a photo of the test location,
• show the results
• or go back to the main menu.
Select the appropriate button.
Test Protocol Generation
• If you are showing the measurement
results, you can create a test protocol
directly from this view.
• Step-by-Step, you can take manual
input in the test protocol.
• Contractor
• Customer
• Project title
• Place, Date
• Examiner’s name
• Test point position
• Floor assembly
• Coating Thickness
• Weather
• After the manual input you can see the
filled protocol. You can convert this
protocol into a PDF file and save this to
your data.

During the charging process the left LED underneath the ZORN INSTRUMENTS logo
glows red. Is the charging process complete, the LED glows green.
You can charge your ZORN D plus with the included Micro-USB-Cable.
4. Charging
• Dimensions: approx. 100 x 50 x 10 mm
• Weight: approx. 100 g
• Connection sensor: 6,35 mm stereo audio jack
• Connection mobile device: Bluetooth (Low Energy)
• Energy supply: Lithium Polymer Batterie (rechargeable)
• Control Indicator: two LEDs
• Languages: German/English
5. Technical Data
Read the operating instructions carefully before using the ZORN D plus!
ZORN INSTRUMENTS GmbH & Co. KG
Benzstraße 1 | 39576 Stendal | Germany
Phone: +49 3931 / 25 27 3-0
Fax: +49 3931 / 25 27 3-10
eMail: [e-mail]
Web: www.zorn-instruments.com