KERN MAP 80K1 Bedienungsanleitung
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
Tel: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Service manual
Hand grip dynamometer
KERN MAP
Version 1.0
3/2010
GB
MAP-SH-e-1010
MAP-SH-e-1010
2
GB KERN MAP
Version 1.0 3/2010
Service manual
Hand grip dynamometer
Table of Contents
1Basic Information.............................................................................................. 3
2Technical Data................................................................................................... 4
3Overview of Display / Keys............................................................................... 5
4Error Message Indication.................................................................................. 6
5Trouble Shooting............................................................................................... 7
6Calibration Procedure....................................................................................... 8
7Zero Count Adjustment..................................................................................... 9
8PCB Layout...................................................................................................... 10
9Display Format ................................................................................................ 11
10 Assembly Drawing .......................................................................................... 12
MAP-SH-e-1010
3
1 Basic Information
Grundlegende Hinweise
The device must be repaired only by trained specialist staff or personnel with
professional formation (such as a repair-specialist accredited by law
concerning verification).
The service manual is obligatory for repair work.
After repair, original conditions of the device have to be restored.
Only original spare parts should be used.
Das Gerät darf nur von geschultem oder beruflich ausgebildetem
Fachpersonal (z. B. eichrechtlich anerkannter Instandsetzer) repariert werden.
Die Serviceanleitung ist bindend für Reparaturen.
Das Gerät muss nach erfolgter Reparatur wieder in den Originalzustand
zurückversetzt werden.
Es dürfen nur Originalersatzteile verwendet werden.
MAP-SH-e-1010
4
2 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
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
MAP-SH-e-1010
5
3 Overview of Display / Keys
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
MAP-SH-e-1010
6
4 Error Message Indication
Capacity of batteries exhausted.
Underload, set to zero by pressing /zero key
Overload
Preload error
EEPROM error
MAP-SH-e-1010
7
5 Trouble Shooting
MAP-SH-e-1010
8
6 Calibration Procedure
1. Switch-off the device.
2. While pressing the /zero key, after 1 second hit the Mode key sequentially
3 times and releases the /zero key. The display shows the internal zero
count (e.g. 1933).
3. Press the /zero key once. The display appears [ 0 ].
4. Load calibration weight (40kg). The display shows the internal span count
(e.g. 1146).
5. Press the /zero key once to start the calibration. Shortly after the value of
the calibration weight (40.0 kg) appears.
6. Remove the calibration weight and switch-off the device.
Calibration is completed.
MODEL ZERO Count SPAN Count Calibration
Weight
MAP 80K1 500-3000 500-2700 40kg
MAP-SH-e-1010
9
7 Zero Count Adjustment
If the ZERO COUNT value is out of range, adjust R1 or R2 on the main board:
If
zero
count
is
below
500,
use
a variable
resistor on R1 to
adjust
the
zero count
.
If
zero
count
is
above
3000,
use
a
variable
resistor on R2 to
adjust
the
zero
count.
After determination of the required resistor, solder it on the main board.
The total internal count is 7812. Overload was set at 7500 (in production).
<-------------------------------------- 7812 -------------------------------------------------------------------->
<-------------------------------------- 7500 ------------------------------------------------------> Overload
<- - 500~3000 (zero) +500~2700 (span)= 1000~5700 --> Safety range
MAP-SH-e-1010
10
8 PCB Layout
Load cell
Battery connector
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