KERN & SOHN HK-D User Manual

Sauter GmbH
Ziegelei 1
Instruction Manual
HK-D
D-72336 Balingen E-Mail: info@sauter.eu
Tel: +49-[0]7433- 9933-199 Fax: +49-[0]7433-9933-149 Internet: www.kern-sohn.com
MOBILE LEEB HARDNESS TESTER

1 General description

1.1 Features

LCD display of 128×64 matrix is use d.  Converts to all common hardness scales (HV, HB,
HRC, HRB, HRA, HS).
English displaying and menu operating, the
operation is easy and convenient.
With RS232 interface, multiple communication
modes are adopted to meet customized requirements of various users.
Equipped with 7 types of impact devices which need
not to be recalibrated when changing them, the system can identify the type of impact device automatically.
Max 600 groupsimpact times: 321of data can
be stored at internal non volatile data storage.
Upper and lower limit of hardness can be pres et; If
the tested value exceeds the limits, alarm will be sent out automatically to make convenient for the requirements of batch measurements.
Back light display has been used to make
convenient for the use in poor light.
Test values software calibration function.  Material of “cast steel” is added; HB values can be
read out directly when D/DC impact device is used to measure “cast steel” work piece.
Printer be separated from main unit and copies of
testing results can be printed as required.
Power is two of AA battery. Continuous working
period: approx. 200 h (no back light on).
Software of PC can be installed according to the
requirements of user, the function will be more powerful to satisfy the more st rict demands of qualit y control and management.

1.2 Main Application and Testing Range

1.2.1 Main Application
The assembled machinery and permanently inst alled
parts
Die cavity of molds  Heavy work piece  Failure analysis of pressure vessel, steam turbo-
generator set and other equipment
Narrow testing space where work piece installed  Bearings and other parts  Cases which require the test result with normalized
original recording
Material identification of the metal material
warehouse
Quick tests of large range and multipoint measuring
positions for heavy work piece
1.2.2 Testing Range
Testing range see table 1 and table 2.
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Material
HV
HB
131~387
127~364
HB
19~164
23~210
32~168
Bronze
alloys)
Wrought
Steel and cast steel
Hammered
steel
Cold work
tool steel
Stainless
steel
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Table 1
Hardness
method
HRC
HRB
HRA
HB
HV 83976 80937 80996 80950
HS
HB 143~650
HRC
HV 80898 80935
HRB
HB 85655 HV 85802
D/DC D+15 C G DL
17.968 .5
59.699 .6
59.1~85. 8
12765
1
32.299 .5
20.467 .1
46.510
1.7
Material
Gray cast
19.367 .9
80638 80683 90646 81646
33.399
iron
.3
19.868 .2
Hardness
method
20.069 .5
31.810
2.1
20.768 .2
10094
1
HRC
HB 93334 92326
47.799 .9
Table 1
D/DC D+15 C G DL
20.668
37.099
30.696
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.2
.9
.8
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Nodular cast
iron
Cast
aluminum
alloys
Brass(coppe
r-zinc
alloys)
(copper-
aluminum/c
opper-tin
copper
alloys
HRC
HV
HRB 23.884.6 22.785.0 23.885.5
HB 40173
HRB 13.595.3
HB 60290
HB 45315
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Table 2
No.
Material
HLD
Strength σb(MPa)
2
High-carbon steel
3
Cr steel
4
Cr-V steel
5
Cr-Ni steel
6
Cr-Mo steel
7
Cr-Ni-Mo steel
8
Cr-Mn-Si steel 9
Super strength steel
10
Stainless steel
No.
Remarks
1
Main unit
1
3
Small supporting ring
1
1
Communication cable
with
DataView Software ATC 01
2. in case of choosing G type impact device
Various non-conventional types of impact devices
Various non-conventional types of impact supporting rings
Non conventional impact devices
Test tip Hardness
1600HV
1600HV
1600HV
1600HV
mpact device
50g
Max. hardness of workpiece
Mean roughness of the Ra
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1 Mild steel

1.3 Types and specification

Standard Delivery
Additional Optional Delivery
2 D type impact device 1
2 Printer 3+4 Nylon brush1 and 2
5
350522 374780 500710 7371670 500730 7071829
500750 7041980 500~750 7632007 500738 7211875
540738 844~1933 500750 7551993
630800 11802652 500710 7031676
See table 3
Table 3
Impacting energy Mass of impact body
Diameter of tes t tip Material of test tip
I Diameter Impact device Length Impact device Weight
workpiece surface of
HK-D-BA-e-1311 3
6
DC(D)/DL D+15 C G
11Mj
5.5g/7.2g
3mm Tungsten carbide
20mm 86(147)/
75mm
940HV 940HV 1000HV 650HB
1.6μm 1.6μm 0.4μm 6.3μm
11mJ
7.8g
3mm Tungsten carbide
20mm 162mm 80g
2.7mJ
3.0g
3mm Tungsten carbide
20mm 141mm 75g
See table 4
90mJ
20.0g
5mm Tungsten carbide
30mm 254mm 250g
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Min. weight of sample
Measure directly
5kg
Min. thickness of sample coupling
Available type of
D:
Hole or
groove or
D+15:
groove or
C:
parts or
G:
heavy or
Need support firmly Need coupling tightly
>5kg 25kg
0.052kg
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>5kg 25kg
0.052kg
>1.5kg
0.51.5 kg
0.020.
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>15kg 515kg
0.55kg
tightly Min.layer thickness for surface harden
Hardn ess 300HV
Hardn ess 600HV
Hardn ess 800HV
impact device
Indentation diameter
Indentation depth
Indentation diameter
Indentation depth
Indentation diameter
Indentation depth
5mm
0.8mm
0.54mm 0.54mm 0.38mm 1.03mm
24μm 24μm 12μm 53μm
0.54mm 0.54mm 0.32mm 0.90mm
17μm 17μm 8μm 41μm
0.35mm 0.35mm 0.35mm --
10μm 10μm 7μm --
General test DC:
hollow­cylindrical test
DL:
Slender narrow
hole test
5mm
0.8mm
reentrant surface
1mm
0.2mm
small, light, thin
surface of hardened layer
10mm
1.2mm
large, thick,
rough surface steel
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Sketch of supporting ring
For testing cylindrical outside
For testing cylindrical outside
For testing cylindrical outside
For testing cylindrical inside R12.5~R17
For testing cylindrical inside
SR10~SR15
For testing spherical outside SR14.5~SR30
For testing spherical inside
For testing spherical inside
For testing spherical inside SR16.5~SR30
1
2
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Table 4
No.
1
2
3
4
5
6
non conventional
For testing cylindrical inside
Remarks
surface R10R15
surface R14.5R30
surface R25R50
surface R11R13
surface
surface R16.5R30
For testing spherical outside
7
8
9
10
11
surface
surface
surface SR11SR13
surface SR12.5SR17
surface
For testing cylindrical
outside surface,
12

1.4 Operating conditions:

Ambient temperature: -10℃~40 Relative humidity: ≤90 No vibration, no strong magnetic field and no corrosive
medium and heavy dust in ambient environment.

2 Structure features and Testing principle

2.1 Structure features

2.1.1 Hardness Tester
radius adjustable
R10

1: Main unit

2: Impact device

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Type
device
hardness value of standard
hardness block
760±30HLD 530±40HLD
±6 HLD ±10 HLD
6 HLD 10 HLD
±6 HLDC HLDC
878±30HLDL 736±40HLDL
766±30HLD+15 544±40HLD+15
±12 HLD+15
590±40HLG 500±40HLG
725±30HLE 508±40HLE
822±30HLC 590±40HLC
4
2
1
6
3
5
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2.1.2 Main unit

1: Shell 2: Communication socket 3: Impact device socket 4: Keypad 5: LCD screen 6: Name plate
2.1.3 D type impact device
1 2 3 4 5 6 7
1: Release button 2: Loading sheath 3: Guide tube 4: Coil part 5: Connection cable 6: Impact body 7: Support ring
2.1.4 Non conventional types of impact devices
DC DL C D+15 E G
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3 Technical capabilities
3.1 Specifications
Measuring range: HLD170960HLD Measuring direction: 360° Hardness scale: HL, HB, HRB, HRC, HRA, HV, HS Display: LCD, 128×64 matrix LCD Data memory: 48600 groups impact times: 32~1) Range of upper and lower limit: the same as measuring range Working voltage: 2*1.5V Continuous working period: approx. 200 h (no back li ght on) Communication interface: RS232 Accuracy and repeatability of displayed value, see table 5.

3.2 Dimensions, size and weight

3.2.1 Dimensions: 132×82×33mm (main unit)
3.2.2 Weight: approx. 0.6kg (main unit);
Table 5
of
No.
impact
1 D
2 DC
3 DL 4 D+15 5 G 6 E
Leeb
760±30HLDC 530±40HLDC
Error of displayed value
±10
±12 HLDL 12 HLDL
±12 HLG 12 HLG ±12 HLE 12 HLE
Repeatability of displayed value
6 HLD 10 HLD
12 HLD+15
7 C
4 Testing
4.1 Preparation and Inspection prior to testing
4.1.1 The preparation of work piece surface
The preparation for work piece surface should comply with the relevant requirements specified in table 3
2.2 Testing principle
Let an impact body whose weight is definite rush into the surface of sample, the hardness value comes from the rate of rebound velocity and rush velocity at 1mm distanc e from testing surface. The calculation formula is following: Fehler! Textmarke nicht definiert.HL=1000×VB/ VA In which: HL——Leeb hardness value VB——Rebounding velocity of the impact body VA——Impacting velocity of the impact body Output signal diagram of the impact device is as following.
HK-D-BA-e-1311 6
During the preparation for sample, the affect to surface hardness of sample caused by overheating, cold processing and etc. should be avoided as far as possible. If the surface to be tested is too rough, measuring error will appear. So the surface of the sam ple must have metallic luster and the surface must be flat, smooth and have no oil dirt. Curved surface: it is better that the testing surface of work piece is plane. When the curvature radius R of the curved surface to be tested is less than 30mm (for D, DC, D + 15, C, E and DL type impact device) and less than 50mm (for G type impact device), a small support ring or non conventional support ring should be used.
±12 HLC 12 HLC
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Note: the hardness value of standard hardness test
can be calibrated via user calibration function.
Type of
The distance of
The distance
piece
No less than
No less than
D
3
5
DL 3 5
D+15
3
5
G 4 8
work piece supporting —— Support is not necessary for heavy test work piece —— The work piece with medium weight must be placed on flat and solid plane, and it must be placed stably without any shaking. Enough thickness of work piece is necessary, and the min. thickness should comply with the specification in table 3. As for test piece with hardened surfac e layer, the depth of hardened layer should comply with table 3. Coupling ——The work piece with lightweight must be firmly coupled with the support; both coupled surface must be flat, smooth and the coupling agent should not be too much. The measuring direction must be vertical to the coupled surface. ——When the work piece is a large area plat e, long rod or bending piece, it can be deformed and become unst able even the weight and the thickness is heavy and the test value may not be accurate. So i t should be reinforced or supported at the back of the work piece. Self magnetism of work piece should be less than 30 Gauß.
4.1.2 System setting of tester
Specific procedures for setting, refers to 6.9.
4.1.3 Measuring condition setting of tester
Specific procedures for setting, refers to 6.5.
4.2 Testing
A standard hardness block should be used to check the tester prior to the testing; and the reading value er ror and repeatability should not be more than t he specification in table 5.
block can be measured via a Leeb hardness tester which had been calibrated; five measurements should be carried out in direction of vertical down and the arithmetic mean of these five values should be used as the hardness value of standard hardness test block. If the value exceeds the standard range, it
4.2.1 Start-up
Insert the impact device plug into the socket of impact device located on the right of the tester.
Press into the measuring state.
4.2.2 Loading
Push down the loading sheath to lock the impact body; for DC type impact device, the l oadi ng bar can be at t racted on testing surface and insert DC type impact device into loading bar until the stop position, then loading has been finished.
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key to turn on the power, then the test er enters
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Press tightly the support ring of impact device on the surface of test s ample, the direction of impact should be vertical with testing surface.
4.2.3 Testing
Press down the release button on the top of the impact device to make a test. At this point, the test sample, impact device and the operator are all required to be s table; and the force direction should comply with the axis of the impact device. Five measurements should be carried out per measuring position of test sample. The divergence of dat a should be not exceeds ±15HL of mean value. Distance between any two indentations, or the distance between any indentation centre and the edge of test sample should be in accordance with the speci fication of table 6. For any special material, a comparative test must be performed to obtain relevant conversion relation if Leeb hardness value accurately conversing to other type of hardness value is required. Procedures are as f ollowing: tests are made on the same test sample via Leeb hardness tester which recalibrated well and relevant hardness meter respectively; for each hardness value, fi ve points which uniformly distributed around hardness indentation should be chos en to make tests, and test s for three (at least) indentations should be made; the mean value of Leeb hardness and the mean value of relevant hardness will be act as relevant values respectively to make a comparative hardness curve. Three groups corresponding data should be included at least in comparative curve.
Table 6
4.2.4 Read measured value
4.2.5 Print out the measuring result
For specific setting method, see 6.3.3 and 6.6.
4.2.6 Press
4.2. 7 The processing of testing results
The mean value of five valid testing points c an be served as a testing data of Leeb hardness.
4.2.8 Expression of testing results
Hardness value will be displayed ahead of HL (the symbol of Leeb Hardness), and type of impact device will be displayed back of HL. For example, 700HLD expresses that the Leeb hardness is 700 by means of the measurement made by D type impact device. For other type hardness which changed from Leeb Hardness value, corresponding hardness symbol should be added ahead of Leeb hardness symbol. For example, 400HVHLD expresses that the Vickers hardness value is
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two
impact device
DC
C 2 4
indentations center
key to turn off
between indentation center and edge of test
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400, which changed from Leeb hardness value measured by D type impact device.
Note: HL values which measured by various impact devices are various. For example: 700HLD≠700HLC.
5 Special prompts
Replacing impact device must be performed under the condition of turn off, otherwise the impact device type can not be identified automatically, and even it i s possible to cause the damage of circuit board of the tester. In normal conditi ons, the current measured value can be printed or stored if the Impact timesvalue which had been set is not satisfying. If the printing and storing are required at this point, Averagekey can be pressed to finish measurement, then printing can be carried out. The functions of Auto Save, Auto Print, and Auto Trans.will be inactive in case of pressingAverage】 key to finish measurement in advance. Only D and DC type impact device have strength measuring function so that Hard/σ changed if other types of impact devices are used; if the setting has been changed into 【σ devices, the Hard/σ Hard when other impact devices had been installed instead of D/DC type impact device. When 【σ set (cursor will skip off Hardnes s Scal e). Not all materials can be changed into every hardness scale, hardness scale will return to Leed hardness (HL) automatically after material has been changed. So Material will be set firstly when setting measurement parameters, and Hardness Scaleshould be set subsequently.
6 Detail Testing procedures
6.1 Start-up Press
will be displayed.
Tester will check and display the type of im pact device. At this point carefully observe whether the t ype is right or not , then enter the main measuring display interface.
6.2 Turn On or turn off
Tester can be turn on or turn off by press display status.
6.3 Testing
The tester will enter the main display interface after turn on, as the following figure
has been set, hardness scale will not been
b
key to turn on the equipm ent , following interface
setting will be changed into
b
setting can not be
b
via D/DC type impact
b
key in any
The measured values are displayed with big font in this interface, and multiple shortcut key operation functions supplied.
6.3.1 Explanation of the main display interface
Battery information: displaying rest capacity when no charging, and displaying charging degree when charging.
Impact direction: current impact direction. Average value indicator: average value will be dis played
when impact times setting has been achieved. Hardness scale: the hardness scale of c urrent m easuring
value. Measured value: current single measured value (without
average value indicator), current average value (with average value indicator). It expresses the value is more
than conversion or measuring range when and it expresses the value is lower than conversion or
measuring range when
Material: material that has been set currently. Impact times: impact times that has been finished will be
displayed when measuring; Impact times that has been set will be displayed when impact times is been set by shortcut key, and the times which corresponding to single measured value will be displayed when viewing single measured value.
6.3.2 Testing procedures
Testing can be carried out under this i nterface status, and the current measured value will be displayed whenever one measurement is finished. The counting of impact times will add 1 per measurement is perform ed. The buzzer will send out a long sound provided that the value exceeds tolerance limit; and the buzzer will send out two short sounds if the impact times which has been set is achieved. After 2 seconds waiting, average value will be dis played with a short sound given out by buzzer.
6.3.3 Key operation
Press SAVE】 key to save current group data. The key can only be active after average value has been displayed; furthermore the save can be done only once. Press DELETE】 key, the latest single measured value can be deleted, but the deletion should be confirmed in the following interface.
is displayed.
is displayed;
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Press the or key t o move the cursor to YES . Then press the ENTERkey to confirm the deletion of the latest single measured value.
Press the Then press the ENTERkey to cancel the deletion. Deletion can be also cancelled by pressing the ESCkey wherever the cursor is located.
Single measured value can be viewed by press
key, and the average value or latest measured
value can be showed again by press ESCkey. The
or key to move the cursor toNO】 .
or
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viewing sequence is different by press key. Measurement can be finished by press Average】 key i n case of impact times setting has not been achieved, and the average value will be displayed. LCD back light can be turn on or off by press 】 key. Press MENU or ENTER key to return to main interface. Press MENU】 key to enter main menu interface.
Shortcut key setting:
Impact direction setting can be changed by press DIREC. key. Impact times setting can be c hanged by press TIMES key, the current impact times can be showed by press TIMES at the first time; the counting will add 1 when press TIMESonce, and it will return to 1 if times of 32 is achieved. Hardness scale setting can be changed by press HARD key. Whenever press the key once, a circulating conversion among all hardness scales that available to current material and impact device will be perf ormed. The hardness scale will be changed into Leeb hardness if the current setting is strength measurement. Material setting can be changed by press MAT’L】 key. Whenever press the key once, the circulating conversion among all material setting will be perf orm ed, and hardness scale will be changed into Leeb hardness, therefore, material should be set firstly when measuring, then hardness scale should be set.
Note: what is called “conversion” refers to the corresponding relationship of Leeb Hardness and other hardness for a certain material, which established on basis of abundant tests. According to the conversion relationship, the Leeb hardness value which measured will be changed into other hardness scale value automatically via calculating by hard ness tester.
6.4 Menu structure diagram
The parameter setting and additional function of equipment can both realized by menu operating. At the main display interface, pressing MENUkey to enter the main menu.
or
6.5 Measuring condition setting
When you are in main display interface, pressMENU key to enter the main menu.
Press ENTER】 key to enter 【 TEST Setmenu. Press
】【 】 key to move cursor to the item which will be
set, then press ENTER key.
Note: 1. If the 【Hard/σ scale could not be selected obviously. Therefore, the cursor will skip over the item moving.
2. Only D/DC type impact device is provi ded with the function of strength measuring, therefore, cursor can not be moved to item impact device is used.
3. The symbol on the left bottom of menu shows the menu is not end, which can be paged down by press
key; The symbol on the top of menu shows
the menu is not end, which can be paged up by press
】 .
is set to 【Hard】, hardness
b
Hard/σ
b
Hardness】 while
when other type of
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6.5.1 Impact direction setting
Press which will be set. Press ENTERkey to finish the change. Press ESC】 key to cancel the change.
6.5.2 Mean times setting
The mean times can be modified in the range of 1~32. Press number key to input the value, and the cursor can move in circles to right automatically. Press ENTERkey to finish the change. Press ESCkey to cancel the change.
6.5.3 Material setting
6.5.3.1 Following available materials will be displa yed in case of
Press which will be set. Press ENTERkey to finish the change. Press ESCkey to cancel the change.
Note: 1. After the materi al setting had been changed, hardness scale setting will return to HL automatically.
2. Material should be chosen prior to the hardness scale.
3. The symbol on the left bottom of menu shows the menu is not end, which can be paged down by press
menu is not end, which can be paged up by pressing
6.5.3.2 Following available materials will be displa yed in case of
or key to move cursor to the direction
【 Hard/σb】 is set to【 Hard】 :
or k ey to move cursor to the material
key; The symbol on the top of menu shows the
】 .
Hard/σb】 is set to【σb】 :
Press which will be set. Press ENTERkey to finish the change. Press ESCkey to cancel the change.
Note 1: The symbol on the left bottom of menu shows the menu is not end, which can be paged down
by press shows the menu is not end, which can be paged up by
press
6.5.4 Hardness scale setting
Press to the hardness scale which will be set. Press ENTERkey to finish the change. Press ESCkey to cancel the change.
Note:
1. For the current selected impact device and material, only the hardness scale which can be conversed will be displayed; hardness which can be conversed will not be displayed.
2. Material should be chosen prior to the hardness scale.
3. After the material setting had been changed, hardness scale setting will return to HL.
6.5.5 Tolerance limit setting
Press number key to input the value, and the cursor can move in circles to right automatically. Press 【 ENTER】 key to finish the change. Press ESCkey to cancel the change.
Note: 1. If the setting exceeds the measuring range, the tester will ask operator to reset.
2. Exchanging will be done automatically if the Min. tolerance limit is more than Max. tolerance limit.
】【 key to move cursor to the material
key; The symbol on the top of menu
】 .
】【 】 or【 】【 】 key to move cursor
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6.5.6 Hardness/σb setting
Press ENTER key to perform the selection between Hard/σ
hardness and strength.
Note: Only D/DC type impact device is provided with the function of strength measuring. Therefore, the item can only be set to or DC type.
6.6 Print function
If it is in main display interface, press MENUkey to enter main menu.
Press Function】 . Press ENTER】 key to enter 【 Print Functionmenu.
Press function required, then press ENTERto print.
6.6.1 Printing current value
Note: Information about serial number and operator should be filled by manual.
, and the cursor will exchange between
b
or key to move cursor to Print
or k ey t o move the cursor to the print
Hard】 if the impact device is not D
As for Print Memory, the group range is necessary to be selected firstly, and the group range which saved in memory will be displayed at the same time. Press number key to input the value, and the cursor can move in circles to right automatically. Press ENTERkey to confirm print. Press ESCkey to cancel print.
Information to be printed includes: tes ter name, date, type of impact device, impact direction, average times, material, group No., single measured value and average value.
If the information in the group is as the same as that in the previous group, such as date, type of impact device, impact direction, average times, material and hardness scale, only group No., single m easured value and average value can be printed, otherwise date and measuring conditions can also be printed out.
Note: 1. Actual number of groups will be printed in case of the number which had been set exceeds th e actual range.
2. No difference for the sequence to prin t the starting and ending group, that is to say if 1~5 groups will be printed, the sequence can be set from 1 to 5 or from 5 to 1.
3. Wider the range of groups, shows the nearer the group from current; on the contrary, it will be further.
6.6.3 Print all memory
Press Print All Memkey to print the values of all groups in the memory in the same format.
6.7 Memory manager
When in the main display interface, press MENU】 k e y to enter the main menu.
6.6.2 Print Memory value
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Press Manager】 . Press ENTERkey to enter menu Memory Manager】 . If no data in the memory, “No Mem ory!” will be showed, and return subsequently.
or k ey to move the cursor to Memory
Sauter GmbH
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Instruction Manual
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D-72336 Balingen E-Mail: info@sauter.eu
6.7.6 Confirm deletion
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Press function required, then press ENTERkey.
6.7.1 Viewing from the No.1 group/ Viewing from the end group
Press Vi ew from No.1k ey to display data in memory from the No.1 group. Press View from Endkey to display data in memory from the end group.
6.7.2 Viewing from selected group
Press View from No.key, selecting interface will be displayed Press number key to input the value. Press ENTER】 key to display data in memory from the starting group selected. Press ESCkey to cancel operation.
6.7.3 Transferring data
Press Transferkey to output the data in memory via RS232 interface in text format.
6.7.4 Deleting selected group
or k ey t o move the cursor to the
Confirming interface will be displayed when deleting data in memory.
Press then press ENTERkey to delete the data.
Press press ENTERkey to cancel the operation.
6.8 Viewing interface
The No., dates and average values of 8 data groups can be displayed at most in the same interface.
Press Press ESC】 key to exit view. By pressing ENTERkey, cursor will be shown and furthermore details can be viewed.
Press interface. Press ESC】 key to return to the previous viewing interface. Press ENTER】 key to view detail information in this group.
or key to turn over pages.
or key to select the group in this
】【 】 key to move cursor to 【 YES】 ,
】【 】 key to move cursor to 【 NO】 , then
Press Delete by No.ke y, an interface including group range to be deleted will be shown. Press number key to input digital value. Press Enterkey to cancel selected group. Press Esc】 key to cancel the operation.
Note: 1. If the input group number exceeds the actual range, then deletes the actual group among them.
2. No difference for the sequence to the starting and ending group, that is to say if 1~5 groups will be deleted, the sequence can be set from 1 to 5 or from 5 to 1.
3. Data group No. saved in memory will be reordered after deletion.
4. When deleting data, especially small group data, because the following data needs to be moved, max 30 seconds (approx.) m ay be required. Never to turn off power at this time, or data confusion can be caused.
6.7.5 Delete all
Press Delete Allto cancel all data in memory.
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Press average value, measuring condition or single measured value. Press ESC】 key to return to the previous viewing interface.
6.9 System Set
When in the main display interf ace, press ESCkey to enter the main menu.
or key to turn over pages to view
Sauter GmbH
Ziegelei 1
Instruction Manual
HK-D
D-72336 Balingen E-Mail: info@sauter.eu
6.9.2 Time and Date Set
Tel: +49-[0]7433- 9933-199 Fax: +49-[0]7433-9933-149 Internet: www.kern-sohn.com
Press Set】 . Press ENTER】 key to enter 【 System Set】 menu. Press
Press ENTER】 key to directly change, or enter corresponding changing interface. Press ESCkey to return. As for the items of Auto Save, Auto Print, Auto Delete, Auto Trans., Key Soundand Warn. Sound, ENTERkey can be pressed to selected On or Off. If Auto Saveis set to On, the current group data can be saved automatically after m easurement is finished and the average value is displayed. If Aut o Printis set to On, the current data can be printed out after measurement is finished and the average value is displayed. If Auto Deleteis set to On, gross error can be deleted automatically when average times had been achieved or measurement had been finished in advance by pressing AVE.key according to 3бrule. If some data had been cancelled, additional m easurements should be carried out to satisfy the times set. If Auto Trans.is set to On, the current group data can be output in text format via RS232 after measuring finished and average value displayed. If Key Sound】 is set to On, buzzer will send out a short sound with each pressing. If Warn. Sound】 is set to【 On, buzzer will send out a long sound in case of measured value exceeds the tolerance limit, data deletion or other things. If Auto Downis set to On, Power will turn off if neither measurement nor any key operation is performed within 5 minutes.
6.9.1 LCD brightness Set
or key to move cursor toSystem
or key to move cursor to the item to be set.
When in this interface, current time and date will be displayed on the screen, the format is “mm/dd/yy”.
Press
Press ENTER】 key to finish the change, which current time and date will be replaced by time and date set. Press ESC key to cancel the change.
6.10 About software
When in the main display interface, press MENU】 k e y to enter the main menu.
Press Software】 . Press ENTERkey to enter About Software】 .
Information about the tester and embedded software will be displayed on this interface. The software version and embedded software identification are subjected to change due to the upgrading of software without notifying in advance.
6.11 Calibration of the Tester
The tester and impact device must be calibrated with a standard Leeb hardness test block (not included in delivery) prior to the first use, or reus ing after a long term idle. One time calibration is enough for each type of impact device which equipped with a main unit; recalibration is not necessary after the replacement of impact device later.
Press ENTER】 key as well as enter the interface of software calibration
or key to input the value, Press
or key to move cursor.
or key to move cursor to About
key at the same time to
Press Press
Press ENTERkey to finish change. Press ESCkey to cancel change. The brighter of brightness, the deeper the colour; The darker of brightness, the lighter the colour;
HK-D-BA-e-1311 13
key to increase brightness. key to reduce brightness.
Impact direction should be set to 【 】 . Five points should be measured vertically down on the Leeb hardness test block.
Sauter GmbH
Ziegelei 1
Instruction Manual
HK-D
Failure
Cause
Solution
Failure in
Replace Probe
Calibration data
over again 1
Main unit
1 2
D type impact device
1
3
Small supporting ring
1 6
Instruction Manual
1
7
Carrying case
1 8
Screwdriver
1
10
Communication cable
Optional
11
DataView Software ATC 01
Optional
13
Printer
Optional
14
Printer cable
Optional
D-72336 Balingen E-Mail: info@sauter.eu
Average value will be showed after measuring. Press
Press ENTER】 key to finish calibration. Press ESCkey to cancel calibration. Calibration range is ±15HL.
6.12 Back light
The LCD display is equipped with a Led Back Light, which supplied for eas ily use in dark light conditions. The Back Light can be turned on or turned off by pressing 】 at any time when the tester is in operation.
6.13 Turn off the power automatically
Auto turn off function is supplied to save the energy of battery. If neither measurement nor any key operation is performed within 5 minutes, the tester will turn off automatically, a flash showing for 20 seconds on the LCD screen prior to
switch off. At this time, any key except to stop the flash of LCD screen, and c ancel the turn off operation. In case of too low battery voltage, “Battery Em pty!” will be displayed and turn off automatically.
6.14 Battery replacement
Battery symbol will flash At this point, User can replace the damaged battery according to the following procedures. Turn off the Power of main unit. Unscrew the screw. Remove the battery cover, take out used batteries. Install the new batteries in their place (pay attention to orientation of batteries, take caution not to connect the anode and cathode inversely). Put back the battery cover, then turn on the power to check if the tester is in normal operation or not.
6.15 The connection of data communication cable
The small 4-pin plug which located on the end of communication cable should be inserted in the RS232 socket on the left side of main unit, and D type 9-pin RS232 port 9-pin port should be inserted in PC communication or the serial port printer case.
7 Trouble shooting
starting No measuring
value Value is
inaccurate
or 】 】 key to input nominal value.
can be pressed
if battery capacity runs out.
Battery empty Replace battery Sensor cable
open circuit
lose
cable
Calibration
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8 Maintenance
8.1 Impact device
After using the impact device for 1000-2000 times, use the nylon brush, optional available, to clean the gui de t ube and the impact body of the impact device. To clean the guide tube, unscrew the support ring and then take out the impact body, spiral the nylon brush in the counter-clock direction into the guide tube. When the brush reaches the bottom, draw it out. Repeat this action for 5 times and mount the impact body and the support ring. Remember to release the impact body after use. Any lubricating agent is absolutely banned to use inside the impact device.
8.2 Standard maintenance procedures
If the error is > 2HRC when using standard Rockwell hardness block to test, maybe the test tip is disabled. Changing the test tip or impact body should be considered. If other abnormal phenomena occur, user should not disassemble or adjust any part which used f or fixing. You can return the hardness tester to the service department of our company.
9. Notice of Transportation and Storage.
The tester should be stored in room temperature, away from vibration, strong magnetic field, corrosive medium, dampness and dust.
10. Non-warranty parts
1 Sheath of Main unit 2 Panel 3 Impact body 4 Support ring 5 Sensor cable 6. Battery.
Leeb Hardness Tester Packing List
No Appellation Num
9
12 AA battery Optional
HK-D-BA-e-1311 14
Sauter GmbH
Ziegelei 1
Instruction Manual
HK-D
D-72336 Balingen E-Mail: info@sauter.eu
Tel: +49-[0]7433- 9933-199 Fax: +49-[0]7433-9933-149 Internet: www.kern-sohn.com
11. Declaration of Conformity
HK-D-BA-e-1311 15
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