KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: info@kern-sohn.com
Tel: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Operating instructions
Hand Grip Dynamometer
KERN MAP
Version 1.2
08/2012
GB
MAP-BA-e-1212
GB
KERN MAP
Version 1.2 08/2012
Hand Grip Dynamometer
Table of Contents
1 Technical Data ............................................................................................... 3
2 Appliance overview ....................................................................................... 8
3 Basic Information (General) .......................................................................... 9
4 Basic Safety Precautions ............................................................................ 10
5 Transportation & Storage ............................................................................ 10
6 Removing packaging and initial start-up ................................................... 11
7 Operation ................................................................ ................................ ...... 18
8 Service, maintenance, disposal .................................................................. 28
9 Error messages ............................................................................................ 29
2 MAP-BA-e-1212
1 Technical Data
KERN
MAP 80K1
Capacity
80 kg
(blue)
40 kg
(green)
20 kg
(red)
Readability (d)
0.1 kg / 0.2 lb
Units
kg, lb
Auto Off
After 1 min without change of load
Electric Supply
1 x CR2450
Service life 53 h
Operating temperature
+ 5°C … + 35°C
Storage temperature
- 20°C … + 60°C
Humidity of air
max. 80 % (not condensing)
Dimensions fully mounted
(W x D x H) mm
212 x 55 x 102
Weight g (net)
300
MAP-BA-e-1212 3
KERN
MAP 80K1S
Capacity
80 kg
(blue)
40 kg
(green)
20 kg
(red)
10 kg
(yellow)
Readability (d)
0.1 kg / 0.2 lb
Units
kg, lb
Auto Off
After 1 min without change of load
Electric Supply
1 x CR2450
Service life 53 h
Operating temperature
+ 5°C … + 35°C
Storage temperature
- 20°C … + 60°C
Humidity of air
max. 80 % (not condensing)
Dimensions fully mounted
(W x D x H) mm
212 x 55 x 88
Weight g (net)
300
4 MAP-BA-e-1212
KERN
MAP 130K1
Capacity
130 kg
(white)
80 kg
(blue)
40 kg
(green)
Readability (d)
0.1 kg / 0.2 lb
Units
kg, lb
Auto Off
After 1 min without change of load
Electric Supply
1 x CR2450
Service life 53 h
Operating temperature
+ 5°C … + 35°C
Storage temperature
- 20°C … + 60°C
Humidity of air
max. 80 % (not condensing)
Dimensions fully mounted
(W x D x H) mm
212 x 55 x 102
Weight g (net)
300
MAP-BA-e-1212 5
1.1 Dimensions
MAP 80K1S:
6 MAP-BA-e-1212
MAP 80K1 , MAP 130K1
MAP-BA-e-1212 7
2 Appliance overview
1. Battery compartment, see chapter 7
2. Display, see chapter. 8
3. Keyboard, see chapter. 8
4. Spring set, see chapter. 7
Transport case
8 MAP-BA-e-1212
3 Basic Information (General)
Intended use
This device allows medical staff to test a patient‟s fitness status and to carry out controlled training during the rehabilitation
process.
The appliance should be checked for correct condition prior to
each utilisation by a person familiar with proper operation of
the balance.
Non-intended
use
Changes to the unit's design are not permitted. This may lead
to incorrect measuring results, safety-related faults and destruction of the unit.
The unit may only be operated in accordance with the described default settings. Other areas of use must be released
by KERN in writing.
Warranty
Warranty claims shall be voided in case
Our conditions in the operation manual are ignored
The appliance is used outside the described uses
The appliance is modified or opened
Mechanical damage and damage caused by media, liquids
Natural wear and tear
Non-intended use or electric installation
The measuring system is overloaded
Dropping the balance
Test device
control
As a precautionary measure during quality control, the metrological features of the device have to be tested on a regular
basis. The responsible user must define a suitable interval as
well as type and scope of this test. For further information
please go to KERN-Homepage (HYPERLINK http://www.kernsohn.com under www.kern-sohn.com).
MAP-BA-e-1212 9
4 Basic Safety Precautions
Carefully read this operation manual before setup and com-
missioning, even if you are already familiar with KERN balances.
Versions in other languages are non-binding translations.
The only binding version is the original document in German.
Staff training
The medical staff must apply and follow the operating instructions for proper use and care of the product.
5 Transportation & Storage
Testing upon
acceptance
When receiving the appliance, please check packaging immediately, and the appliance itself when unpacking for possible
visible damage.
Packing
Keep all parts of the original packaging in case you need to return the appliance.
Only use original packaging for returning.
10 MAP-BA-e-1212
6 Removing packaging and initial start-up
Place of
application
The unit is designed to achieve reliable measuring results under normal conditions of use.
Required conditions for place of operation:
Prevent extreme heat and temperature fluctuations
Protect the appliance against high humidity, vapours and
dust;
Do not expose the device to extreme dampness for longer
periods of time. Non-permitted condensation (condensation of air humidity on the appliance) may occur if a cold
appliance is taken to a considerably warmer environment.
If present, acclimatise device.
Avoid static charge
Avoid contact with water.
If electro-magnetic fields or static charge occur, or if the power
supply is unstable major deviations on the display (incorrect
weighing results) are possible. In that case, the location must
be changed.
Scope of supply
Device, see chapter. 3
Carrier case
3 Spring sets
Operating instructions
Battery
MAP-BA-e-1212 11
How to replace
a spring set
1. Press device until the two screws [1] become visible.
2. Remove screws.
3. Remove grip first, followed by springs.
4. Insert desired spring set.
5. Reassemble device in reverse order.
[1]
[1]
12 MAP-BA-e-1212
Install two additional washers only in the 130 kg-spring set. (s. fig.)
MAP-BA-e-1212 13
Battery
operation
1. Open battery cover, as shown on illustration.
2. Replace battery (CR-2450).
3. Reinsert the battery cover.
To save battery power, the device auto-disconnects automatically after 60 seconds have passed without a change of
display.
If the batteries are run down soon, "LO" appears in the
display. Replace battery.
If the balance is not used for a longer time, take out the „
batteries and store them separately. Leaking battery liquid
could damage the balance.
14 MAP-BA-e-1212
Commissioning
Correct
left hand right hand
MAP-BA-e-1212 15
Correct
left hand
right hand
16 MAP-BA-e-1212
wrong
MAP-BA-e-1212 17
7 Operation
Overview of
displays
1. Stability display
2. Battery status
3. Operation modus
4. Percentage display
5. Weighing unit "lb"
6. Weighing unit "kg"
Keyboard
overview
Button
Function / Zero
Switch-on / off, zeroing
Mode
Select operating mode
Set
Confirm display
In real mode: Switch unit from kg to lb
18 MAP-BA-e-1212
Turn on/off
Zeroing
Switch on the device by pressing the /zero key.
Zero display appears.
If the device does not exactly show zero, unload the device
and press the /zero key.
To switch off, keep /zero key pressed for approx. 3
seconds.
During power-up the device will return to the mode or unit (kg/lb)
it had been in before it was switched off.
MAP-BA-e-1212 19
7.1 Operating modes
The device is in real mode at delivery. Use the mode key to switch over the device
to the following operating modes.
Operating mode
Display
Function
Real time mode
Shows current strength.
Counting mode
Counts number of gripping actions
exceeding a previously set strength
limit.
Average mode
Calculates the average strength
derived from two hand grips
Peak/Max Mode
Shows max strength of hand grip.
20 MAP-BA-e-1212
Real time mode
1. Show actual strength
Relieve
Press
Release
2. Change unit kg lb
In real mode it is possible to switch from “kg” to “lb” by pressing
the set key – and vice versa.
During power-up the device will return to the mode or unit it had
been in before it was switched off.
MAP-BA-e-1212 21
Counting mode
1. Call mode
Switch on the device by pressing the /zero key.
Press mode key repeatedly until the count display ap-
pears.
2. How to define the strength limit
The currently set strength limit is displayed.
To change, press the mode key repeatedly until the de-
sired strength limit is displayed. Ensure that the capacity of
the spring is not exceeded (e. g. strength limit for 20 kg
spring set < 20 kg).
Confirm by pressing the set key; count display appears.
22 MAP-BA-e-1212
3. Counting gripping actions
The number of gripping actions carried out will be shown
on screen.
4. Start further counting
Press the /Zero button, the zero display disappears.
Count gripping actions as described under item 3.
Press, and release device as often as possible.
Each gripping action is acknowledged by an audio sound.
MAP-BA-e-1212 23
Average mode
1. Call mode
Switch on the device by pressing the /zero key.
Press mode key repeatedly until avg. display appears.
2. Determine average strength from two hand grips
Strength of first hand grip will be shown.
Strength of second hand grip will be shown.
Carry out first gripping action
Carry out second gripping action.
24 MAP-BA-e-1212
Press the set key; average strength derived from the two
hand grips will be calculated and displayed flashing.
3. Start further measurements
To return to measuring mode, press the set key.
Press the /Zero button, the zero display disappears.
Carry out further measurements as described under
item 2.
MAP-BA-e-1212 25
Peak/Max-Mode
1. Call mode
Switch on the device by pressing the /zero key.
Press the mode key repeatedly until max display appears.
2. Carrying Out Measurement
Example:
Example: A gripping action achieves a strength of 50 kg.
Now you are able to determine whether follow-up measurements
also reach 50 kg = 100% or for example only 31% = 15.5 kg (adjustable range 1-100 %)
The strength of the first hand grip will be displayed and can
be stored by pressing the set key.
The display shows the currently set percentage value.
Carry out gripping action
26 MAP-BA-e-1212
To change, press the mode key repeatedly until the desired percentage appears. Use the Set key to confirm.
If a new gripping action shows
a strength of less than for instance < 31 % (< 15.5 kg), the
previous max value will be retained.
If a new gripping action shows
a strength greater than for instance > 31 % (> 15.5 kg), the
new max value will be displayed.
The previous max value will be
overwritten with the new value.
MAP-BA-e-1212 27
8 Service, maintenance, disposal
Cleaning
Please do not use aggressive detergents (solvents etc.). Apply
soapy water to moist cloth or use household detergent. Prevent fluid from penetrating into device. Finish by polishing with
dry soft cloth. Remove dirt immediately.
Service, main-
tenance
The appliance may only be opened by trained service technicians who are authorized by KERN.
Disposal
Disposal of packaging and appliance must be carried out by
operator according to valid national or regional law of the location where the appliance is used.
28 MAP-BA-e-1212
9 Error messages
Capacity of batteries exhausted. For replacing of batteries, see
chapter. 7
Underload, set to zero by pressing /zero key
Overload, release device
Preload error, put minor stress on device during power-up
EEPROM error, switch-off and restart device. If the error message remains inform manufacturer.
MAP-BA-e-1212 29
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