HMP LFGpro User manual

CONTENTS
Service [phone]/2017 Instruction Manual HMP FGpro – en
1
General Information
Applications .................................................................................... 2
Safety instructions .......................................................................... 2
Intended Use .................................................................................. 3
Technical Terms of Reference / Transport ..................................... 3
The Light Weight Deflectometer
Construction of the Instrument ....................................................... 4
Function .......................................................................................... 5
Specifications ................................................................................. 5
Electronic Settlement Measuring Instrument HMP LFGpro ...................... 6
Measuring
Getting Ready for Measuring ....................................................... 10
Measuring Procedure ................................................................... 11
Store, Print and Display Current Measured Data ......................... 12
Completing the Test ..................................................................... 13
Error Menus .................................................................................. 13
Measured Data
Display / Print the Stored Measured Data .................................... 14
Export the Stored Measured Data ................................................ 14
Delete Measuring Results ............................................................ 15
Settings
General ......................................................................................... 16
Display .......................................................................................... 16
Device ........................................................................................... 17
Printer ............................................................................................ 17
Service .......................................................................................... 17
Calibration Menu .......................................................................... 18
Maintenance Menu ....................................................................... 18
Options
Thermal printer AP1300 ................................................................ 19
Maintenance and Repair
Cleaning ........................................................................................ 22
Calibrating ..................................................................................... 22
Hotline ........................................................................................... 22
Attachment
1 Certificate „BASt-authorised calibration institute …“
2 Certificate of Conformity

GENERAL INFORMATION
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Applications
The dynamic plate load test employing the ight Weight Deflectometer is used
in earthworks and traffic route construction. It serves to determine the soil
bearing capacity and the degree of compaction of soils and non-cemented
base courses, and assists in soil improvement.
The test method is suited for coarse-grain and mixed-grain soils with a
maximum grain size of 63 mm. It may be used to determine the deformation
modulus of soil within the measuring range of E
vd
= 15…70 MN/m².
Further applications
❙ Road- and railway construction, earthworks
❙ Quality assurance in canal construction
❙ Compaction control in pipe trenches
❙ Testing of pavement beddings
❙ Testing of foundation backfill
❙ Quality inspection in boreholes
❙ Testing of modulus of deformation within the framework of soil examination.
The ight Weight Deflectometer being easy to handle and use is particularly
suited for intra-company monitoring.
Safety instructions
Information for sers
This instruction manual was prepared such that users can easily become
familiar with the » ight Weight Deflectometer – WD«, abbreviated herein-after
as WD, and make use of the tester for intended applications.
Users should carefully read this instruction manual and the safety instructions
prior to using the WD. Follow the instructions contained in this Instruction
Manual without exception.
Symbols sed
Warnings and instructions are highlighted as described below:
Warning
This symbol is used in conjunction with related text to draw user's
attention to hazards and risks which may cause bodily harms, failure
of tester components or adversely affect operating procedures, in
case users do not take the corresponding precautions.
Note
This symbol and the related text identify technical requirements and
provide additional information to be taken into account by the
operator to carry out the following operations effectively and safely.

GENERAL INFORMATION
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Legal terms of reference
The ight Weight Deflectometer complies with the current state of the art and
all applicable safety regulations.
The WD meets the basic safety requirements laid down in the EU Directives
for Harmonisation referenced in the EC Certificate of Conformity.
Construction and function of the WD meet the requirements laid down in
»Technical Test Code for Soil and Rock in Road Construction TP BF – StB
Part B 8.3 / Issue 2012« and »ASTM E2835-11 – Standard Test Method for
Measuring Deflections using a Portable Impulse Plate oad Test Device«.
Intended se
The ight Weight Deflectometer is exclusively intended for determining the soil
bearing capacity and the compaction quality of the soil referred to »Technical
Test Code for Soil and Rock in Road Construction TP BF – StB Part B 8.3 /
Issue 2012« and »ASTM E2835-11 – Standard Test Method for Measuring
Deflections using a Portable Impulse Plate oad Test Device«.
Its intended use also includes:
❙ Compliance with the safety instructions and safety regulations contained in
this operating manual;
❙ Compliance with the maintenance and servicing instructions contained in
this operating manual.
Any other use or any use beyond this definition is not intended and may cause
injury to people and damage to property.
The manufacturer/supplier shall not be held liable for damages resulting from
other than the intended use. The risk shall be borne solely by the user.
Technical Terms of Reference / Transport
To avoid damage to the unit and prevent accidents during transport the ight
Weight Deflectometer is provided with a transportation lock which is fixed to
the guide tube during transport.
The LWD is equipped with a transportation lock designed to avoid
damage to the instrument and make sure that it can be safely
transported and handled. This lock must be used to secure the drop-
weight on the guide tube whilst the equipment is moved from job to
job.
The drop height determined for the drop-weight by calibration ( calibration
record) has been preset. The drop height is secured against changes and
must not be altered by the user.
Engage the drop-weight in the release mechanism prior to any test. To release
the drop-weight, just actuate the release mechanism.
Prior to any measurement, test the release mechanism to be sure it
functions as necessary.
Support the drop-weight by hand after every impact to avoid faulty
measurements.

THE LIGHT WEIGHT DEFLECTOMETER
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Construction of the Instrument
The WD consists of the following assemblies:
❙ oading mechanism
❙ oad plate
❙ Electronic settlement measuring instrument
Loading Mechanism and Load Plate
Construction of loading mechanism and load plate is described below with
reference to Figure 1.
Loading mechanism
1 Handle 5 Drop-weight
2 Release mechanism 6 Transportation lock
3 Bubble level 7 Resilient element with prestressed
disc springs 4 Guide tube
Load plate
8 Cap with sensor
9 Sensor socket (to connect the measuring cable)
10 oad plate carrying handles
The sensor which serves to measure the settlement is arranged under the
cap (8) of the load plate. The leads of the sensor are led out on the sensor
socket (9) and are connected to the electronic settlement measuring instru-
ment via a measuring cable.
Electronic Settlement Measuring Instrument
The battery-operated settlement measuring instrument is housed in a hand-
held case.
Settlement measuring instrument
(Figure 2)
1 TFT colour display
2 Measuring cable
3 Ambient ight Photo Sensor
4 USB port
5 Printer port
6 Function keys
Carrying case
(Figure 3)
1 Carrying case
2 Settlement measuring instrument,
beneath: USB cable, charger for printer (optional)
3 USB car charger, USB stick
4 AC/DC adapter (beneath cover)
5 Thermal printer AP 1300 (optional)
10
2
3
4
5
6
7
8
9
1
2
3
4
5
1
6
2
5
3
4
1
Figure
1
Figure
2
Figure
3

THE LIGHT WEIGHT DEFLECTOMETER
Service [phone]/2017 Instruction Manual HMP FGpro – en
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Function
The load plate is placed on the prepared area to be tested and the loading
mechanism is positioned on the load plate. Thereafter the connection is made
to the settlement measuring instrument. When the drop-weight is released and
drops freely onto the resilient element, the loading mechanism generates a
defined impulsive load. Thereby the total settlement of the soil under the load
plate is measured.
After the measuring routine is started (after the precompaction) three
measuring impacts are to be performed. After each impact, the measuring
instrument displays the settlement in millimetres and the settlement curve.
Upon completion of a series of measurement the individual settlement
amplitudes, the average settlement s
m
, the path-speed-ratio s/v and the
calculated deformation modulus E
vd
are displayed on the screen.
Results may be printed via a thermal printer or a printer at the PC, if required
(only instruments with thermal printer or PC-software).
Specifications
Mechanical loading mechanism
Total weight 15.0 kg
Weight of drop-weight 10.0 kg
Maximum impact force 7.07 kN
Duration of impact 17.0 ± 1.5 ms
Resilient element package comprising prestressed
disc springs
Load plate
Diameter 300 mm
Plate thickness 20.0 mm
Weight 15.0 kg
Electronic settlement measuring instrument
Power supply Rechargeable ithium-ion polymer
battery pack
( ithium polymer battery pack)
Dimensions 210 mm x 100 mm x 31 mm
Weight 0.45 kg
Settlement range measured 0.1 to 2.0 mm ± 0.02 mm
Range measured deformation modulus E
vd
< 225 MN/m²
Temperature range 0 bis 40 °C
Display 3.5“ TFT colour display
Interfaces Bluetooth, USB, thermal printer
GPS integrated
Memory capacity up to 1000 test series

THE LIGHT WEIGHT DEFLECTOMETER
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Electronic Settlement Measuring Instrument HMP LFGpro
Operation
The electronic settlement measuring instrument HMP LFGpro can be
operated easily and intuitively by means of the function keys.
Key Functions
Switch on / off measuring instrument
Select upward
Select downward
Select to the left / Scroll
Select to the right / Scroll
Confirm selection / Start action
Buttons/Symbols
The currently active button is displayed with colour, the inactive buttons are grey.
Main menu
Measuring page 11
(precompaction, measuring, store)
Measured data page 14
(… read, print, export, delete)
Settings/Service  page 16.
(display, device, printer, support, calibration)
General
Back to the previous menu
Next / measuring initiate
Restore measurement readiness
Scroll (test series/measured data)
Scroll (test series/measured data)
Store
Delete
Print test series
Export test series  page 14
a

THE LIGHT WEIGHT DEFLECTOMETER
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Display
In the main menu the display is subdivided into status line and button area
(Figure 4).
In the submenus the display is subdivided into status line, button area/
indicating area and footer (Figure 5). With the keys can be switched
between button area/indicating area and footer.
The information on the left of status line will be changed according to several
menus. In the main menu (Figure 4) type and number of device are displayed
for example.
The information on the right side of status line is the same in all menus:
Status Bluetooth
displaying in status line, in case Bluetooth is active
(during data transfer only)
Status GPS
displaying in status line, in case GPS is active and available
State of charge of the printer
displaying in status line, in case printer is connected
State of charge of the measuring instrument
Overview Menu Functions
Measuring Precompaction
Measuring Store E
Delete D
Print B
Export Q
Measured data Show single measurements Print B
Export Q
Export Q
Delete (all measurements) D
Settings Display K Date
Time
anguage
Device X Drop weight
GPS
Unit
Calibration
Printer B Head datea
Date/time
Graphics
Service L
Calibration menu M
Maintenance R
By confirming the button G you always come back to the previous menu.
Figure
4
Figure
5

THE LIGHT WEIGHT DEFLECTOMETER
Service [phone]/2017 Instruction Manual HMP FGpro – en
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Power Supply
The electronic settlement measuring instrument HMP LFGpro is powered by a
rechargeable ithium-ion polymer battery pack (abbreviated herein-after as
ithium polymer battery pack) which is provided with overcharge protection
and deep discharge protection.
Safety
❙
Do not dismantle, open or shred Lithium polymer battery pack.
Exposure to the ingredients contained within or their ingredients
products could be harmful.
❙
Do not expose Lithium polymer battery pack to heat or fire. Avoid
storage of device/battery pack in direct sunlight.
❙
Lithium polymer battery pack must not be short-circuited.
❙
Do not subject Lithium polymer battery pack to mechanical shock.
❙
Observe local, state and federal laws and regulations for disposal.
❙
The supplied accessories must only be used for devices supplied
by HMP and according to this instruction manual. Any other use
may cause damages.
Switching-off automatically
The electronic settlement measuring instrument HMP LFGpro switches off
automatically, in case there is no action for about 90 s.
The device will not switch off automatically, as long as it is in the
measuring mode.
If the ithium polymer battery pack of the electronic settlement measuring
instrument drops below the voltage required for operation, the device switches
off automatically, in order to prevent a deep discharging of the battery pack.
Before switching on the instrument again, please charge the battery pack.
Charging of Lithium polymer battery pack
ithium polymer battery pack should be charged only by means of the
supplied accessories (Figure 6). Accessories for charging the battery pack –
USB cable (1), USB car charger (2) and AC/DC adapter (3) – are placed in the
carrying case.
The USB car charger can be connected with a car-battery 12 V or by means of
AC/DC adapter to mains 230 V / 50 Hz.
❙
For charging Lithium polymer battery pack only the supplied
chargers, which are provided for use with this device, should be
used.
❙
Lithium polymer battery pack should not be charged over a longer
period if it is not needed.
2
1
3
Figure
6

THE LIGHT WEIGHT DEFLECTOMETER
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ithium polymer battery pack of electronic settlement measuring instrument
should be charged before first use and in case that state of charge is 15% or lower.
Lithium polymer battery pack should be charged at the latest when
the note on the left (Figure 7) appears on the screen of settlement
measuring instrument.
■ Switch off electronic settlement measuring instrument and connect it with the
USB car charger via USB cable.
■ Connect the USB car charger to a car socket 12 V or via AC/DC adapter to
mains supply 230 V / 50 Hz.
■ Disconnect the charger from mains supply when charging of ithium
polymer battery pack has been finished.
It is not possible to overload the ithium polymer battery pack, since it is
equipped with an overload protection. When the battery pack is fully charged,
the charging current entry is automatically interrupted.
The Lithium polymer battery pack will only be charged, in case that
the electronic settlement measuring instrument is switched off.
Figure
7