PCE Instruments PCE-1000N Manuel utilisateur

PCE-1000N Barcol Hardness Tester

User Manual

User manuals in various languages (Deutsch,

français, italiano, español, português, nederlands,

türk, polski, русский, 中文) can be downloaded here:

www.pce-instruments.com

Last change: 13 October 2017

v1.0

English

Contents

1Safety notes........................................................................................... 1

2Specifications........................................................................................ 2

2.1 Technical Specifications:.................................................................................................. 2

2.2 Delivery Contents:............................................................................................................ 2

3System description............................................................................... 3

3.1 Device.............................................................................................................................. 3

3.2 Structure and Function Keys ............................................................................................ 4

3.3 Display............................................................................................................................. 5

4Getting started.......................................................................................5

4.1 Power supply ................................................................................................................... 5

4.2 Preparation ...................................................................................................................... 5

5Operation ............................................................................................... 6

5.1 Measurement................................................................................................................... 6

5.2 Further Functions............................................................................................................. 6

6Calibration ............................................................................................. 7

6.1 Low end calibration .......................................................................................................... 7

6.2 High end calibration.......................................................................................................... 7

6.3 Display value calibration................................................................................................... 7

7Troubleshooting....................................................................................8

7.1 Pin Replacement.............................................................................................................. 8

8Further information............................................................................... 9

8.1 Approximate conversion curve ......................................................................................... 9

8.2 Hardness conversion........................................................................................................ 9

9Warranty...............................................................................................12

10 Disposal ...............................................................................................12

1 Safety notes

Please read this manual carefully and completely before you use the device for the first time.

The device may only be used by qualified personnel and repaired by PCE Instruments

personnel. Damage or injuries caused by non-observance of the manual are excluded from our

liability and not covered by our warranty.

The device must only be used as described in this instruction manual. If used

otherwise, this can cause dangerous situations for the user and damage to the meter.

The instrument may only be used if the environmental conditions (temperature,

relative humidity, …) are within the ranges stated in the technical specifications. Do

not expose the device to extreme temperatures, direct sunlight, extreme humidity or

moisture.

Do not expose the device to shocks or strong vibrations.

The case should only be opened by qualified PCE Instruments personnel.

Never use the instrument when your hands are wet.

You must not make any technical changes to the device.

The appliance should only be cleaned with a damp cloth. Use only pH-neutral

cleaner, no abrasives or solvents.

The device must only be used with accessories from PCE Instruments or equivalent.

Before each use, inspect the case for visible damage. If any damage is visible, do not

use the device.

Do not use the instrument in explosive atmospheres.

The measurement range as stated in the specifications must not be exceeded under

any circumstances.

Non-observance of the safety notes can cause damage to the device and injuries to

the user.

We do not assume liability for printing errors or any other mistakes in this manual.

We expressly point to our general guarantee terms which can be found in our general terms of

business.

If you have any questions please contact PCE Instruments. The contact details can be found at

the end of this manual.

2 Specifications

2.1 Technical Specifications:

Parameters

Barcol Hardness (Hba)

Brinell Hardness (HB)

Vickers Hardness (HV)

Webster Hardness (HW)

Rockwell Hardness (HRB/HRE/HRF/HRH)

Measurement range

0~100 HBa, equivalent to a Brinell hardness

of 25~150HB

Resolution

0.1 HBa

Measurement error

81~88 HBa±1 HBa

42~48 Hba±2 HBa

Repeatability error

81~88 HBa±1.5 HBa

42~48 HBa±2.5 Hba

Operating conditions

- temperature

- humidity

0~50°C

<50%RH

Power supply

2 x 1.5 V AAA batteries

Dimensions

170 x 63 x 82 mm

Weight

390g (without batteries)

2.2 Delivery Contents:

1 x Barcol hardness tester PCE-1000N

2 x spare pins

2 x calibration plates

1 x pin length calibration block

3 x screwdrivers

1 x wrench

1 x carrying case

1 x instruction manual

3 System description

3.1 Device

The PCE-1000N is a digital indentation hardness tester for measuring the hardness of

aluminium. It comes with many different features, such as a digital display, good stability, a

maximum and average value function. It is mainly used in the aluminium processing industry for

testing aluminium castings and forgings. It can also be used for softer metals, such as copper or

lead, as well as for fibre-reinforced plastics. The device meets the following standards: ASTM

B648-00, ASTM HD2583-07 and GB / T 3854-2005.

Features:

- The device is portable due to its small dimensions and can be operated with one hand

only.

- The device has a wide measuring range and can measure hard aluminium alloys as

well as soft pure aluminium and other softer metals, such as copper and lead. The

effective measuring range is equivalent to a Brinell hardness of 25~150HB.

- The max hold function shows the maximum value during the measurement.

- The PCE-1000N can be used for measuring not only Barcol hardness, but also Brinell

hardness (HB), Vickers hardness (HV), Webster hardness (HW) and Rockwell

hardness (HRB/HRE/HRF/HRH).

- With its average function, the device can calculate an average value of up to 29

readings.

With its standard load spring and standard pressure pins, the PCE-1000N can be used for a

variety of different materials, such as aluminium, aluminium alloy, copper, copper alloy, fibre-

reinforced plastics (glass, steel), other reinforced plastics, non-reinforced hard plastic, and other

materials. The typical hardness range is 25 –135 HBW (500kg, 10mm). The following chart

shows typical Barcol hardness values of different aluminium alloys:

Alloy and heat

treatment

1100-0

3003-0

3003H14

2024-0

Barcol

Hardness

Alloy and heat

treatment

5052-0

5052H14

6061T6

2024T3

Barcol

hardness

3.2 Structure and function Keys

The PCE-1000N measures the indentation hardness by pressing a specific pressure pin with a

specific pressure into the surface of the sample. The hardness is calculated via the indentation

depth. The device uses the following formula:

HBa=100-h/0.0076

HBa Barcol hardness value

H indentation depth (mm)

0.0076 indentation depth at 1 Barcol

2-1 housing screws

2-2 high end calibration button

2-3 low end calibration button

2-4 spring tube

2-5 lower spindle spring

2-6 pressure pin

2-7 main spindle adjusting screw

2-8 upper spindle

2-9 upper spindle spring

2-10 lever

2-11 supporting feet

2-12 lower spindle connecting screw

2-13 shield ring

2-14 display

2-15 average/minus button

2-16 hardness scale

2-17 power/menu button

2-18 max/plus button

3.3 Display

2-19 average indicator

2-20 statistical number indicator

2-21 battery indicator

2-22 number of recorded measurements

2-23 maximum indicator

2-24 measurement reading

4 Getting started

4.1 Power supply

When the low battery indication is displayed, you need to replace the batteries. Open the

battery cover and take out the batteries. Insert two new AAA batteries and close the cover of the

battery compartment. Mind the correct polarity.

4.2 Preparation

- To power on the tester, just press the Power / Menu key. There are 2 methods to

power off the tester: automatic power-off and manual power-off.

Press and hold the Power / Menu key for about 3 seconds to power off the device.

After 10 minutes of idling time, the tester shuts down automatically.

- To check the tester’s accuracy, place the supplied hardness blocks on a hard, flat

surface and take a measurement. The reading should be in the indicated range of two

hardness blocks. If it is out of the range, a calibration according to chapter 6 is

needed.

- The sample surface should be smooth, clean and without any mechanical damage.

The sample surface can be slightly polished to eliminate scratches or coatings.

- The specimen thickness should be not less than 1.5 mm and there should not be

any obvious deformation on the supporting surface after testing.

- The size of the sample should ensure that the minimum distance between the pin tip

and any edge is not less than 3 mm.

- Make sure that there are no previous test indentations in a radius of 3 mm around the

current test position.

- In order to ensure the accuracy of the measurement, the pin must be perpendicular to

the surface of the sample.

- Test samples should be placed stably. Small samples should be placed on a solid

surface. (e. g., steel, glass, etc.).

- During the measurement, the sample should not be tilted. The sample should also be

protected against slipping and deformation.

5 Operation

5.1 Measurement

Place the device on the sample and push it down on the surface with enough pressure. Read

out the hardness value from the display.

5.2 Further functions

5.2.1 Max hold function

Press the Maximum / Plus key. The ‘MAX’ indication appears in the upper right corner of the

display. The maximum value since the activation of the function is shown on the display. To exit

the max hold function, just press the Power / Menu Key. The ‘MAX’ indication disappears.

5.2.2 Average function

Press the Average / Minus key. The statistical measurement number indication ‘N’ and the

‘MAX’ indication appear on the display. Additionally, a ‘0’ appears on the left side of the display

and ‘0.0’ appears on the right side. The left value is the number of measurements taken. The

right value is the reading of the last measurement.

Take measurements until the number of measurements taken reaches the set value of the

statistical measurement number ‘N’. Now the device calculates the average value of the

measurements taken. The result is shown on the right side of the display. In addition, an ‘AVE’

indication appears and the device emits an acoustic signal.

5.2.3 Setting the statistical measurement number ‘N’

To set the statistical measurement number, press and hold the Power / Menu key for about 6

seconds until the ‘ ’ indication appears on the display. Press the Maximum / Plus key or

Average / Minus key to adjust the measurement number. The statistical measurement number

can be set between 1~29. Press the Power / Menu Key to return the standard measurement

mode.

Use the method of calculating the average of several measurements to figure out the

measurement value. The softer the sample is, the more measurements should be included. The

suggested number of measurements can be seen in the following tables:

Suggested number of measurements for aluminium alloys

(According to ASTM B648-2000)

Barcol hardness value

Min. number of measurements

Suggested number of measurements for reinforced and non-reinforced plastic (According to

GB/T3854-2005)

Non-reinforced

plastic

(hard plastic)

Min. number of

measurements

Reinforced plastic

(glass, steel)

Min. number of

measurements

6 Calibration

The calibration of this tester includes low end calibration, high end calibration, and display value

calibration. The device comes factory calibrated. If the reading is out of the indicated range of

the test blocks when checking the accuracy or if you replaced the pressure pin you need to

calibrate the device.

NOTE: It is necessary to loosen the main spindle adjusting screw before performing a

zero calibration or a full scale calibration.

6.1 Low end calibration

Press and hold the Power / Menu key for about 9 seconds until ‘’ ’ is shown on the display.

Release the key and a digit appears on the display. Press the Maximum / Plus key or the

Average / Minus key to adjust the digit until it equals the indicated value on the pin length

calibration block. Press the Power / Menu key to exit.

Use a small screw driver to loosen the main spindle adjusting screw in counter-clockwise

direction until the end. Put the pin tube into the hole of the pin length calibration block and push

the tester so that the pin draws back completely into the pin tube. The reading value should

equal the thickness value indicated on the pin length calibration block. If it is exceeded, press

the low end calibration button. The standard value will be displayed. Release the low end

calibration button. The low end calibration is now completed.

6.2 High end calibration

Use a small screw driver to loosen the main spindle adjusting screw in counter-clockwise

direction until the end. Place the tester on a solid flat surface, such as a glass plate. Push the

tester so that the pin draws back completely into the pin tube: ‘100.0’should be shown on the

display. If it is exceeded, press the high end calibration button and ‘100.0’will be displayed.

Release the high end calibration button. The high end calibration is now completed.

6.3 Display value calibration

Use a small screw driver to adjust the main spindle adjusting screw. The display value

decreases when turning it clockwise and increases when turning it counter-clockwise. Adjust the

screw until the measured value is in the indicated range of the 2 standard blocks.

7 Troubleshooting

With the frequent use of the tester, the pressure pin will be worn out slightly. When this

happens, the measurement value will deviate. So it is necessary to check the wear of the

pressure pin on a regular basis. If you do not get two readings which lie within the indicated

range of the two calibration blocks when performing a display calibration, this means that the

pressure pin is worn out and needs to be replaced. After that, the device needs to be calibrated

again.

7.1 Pin replacement

Loosen the screws on both sides of the handle with a small screwdriver (a total of 12). Take off

the case and take out the spring tube. Loosen the lower spindle connecting screw with a

spanner and take out the lower spindle. Now you can remove the used pin and replace it with a

new one, then reinstall the lower spindle and lock it with the spanner. Put on the spring tube,

remount the case and lock it with the screws. See the following picture for reference.

After replacing the pressure pin, you need to calibrate the device again.

When the tester is used over a longer period of time, especially when measuring soft aluminium

alloy materials, some material might remain on the pin which might affect the accuracy of the

device. To eliminate this error, make sure to check and clean the top of the measuring pin on a

regular basis.

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