KERN MAP 80K1 Manuale utente

KERN & Sohn GmbH

Ziegelei 1

D-72336 Balingen

E-Mail: [email protected]

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

MAP-SH-e-1010

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

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

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

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

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

5 Trouble Shooting

MAP-SH-e-1010

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

7 Zero Count Adjustment

If the ZERO COUNT value is out of range, adjust R1 or R2 on the main board:

zero

count

below

500,

use

a variable

resistor on R1 to

adjust

the

zero count

zero

count

above

3000,

use

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

8 PCB Layout

Load cell

Battery connector

Indice

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