Instruments
Pendulum Hardness Tester

A pendulum resting on a coating surface is set into oscillation and the time for the oscillation amplitude to decrease by an amount specified in this International Standard is measured. The shorter the damping time, the lower the hardness.

      Two test procedures are considered in some detail, namely those of K?nig and Persoz. The Persoz and K?nig methods differ by the period and amplitude of the oscillation. The Persoz test measures the time taken for the amplitude of oscillation to decrease from 12° to 4°; the K?nig from 6° to 3°.

      The instruments embody the same principle — that the amplitude of oscillation of a pendulum touching a surface decreases more rapidly the softer the surface — but differ in respect of dimensions, period and amplitude of oscillation.

      BGD 509 Pendulum Hardness Tester is the newest product which can be used in accordance with the following National and International Standards: ISO 1522 which supersedes ASTM D4355; BS 3900-E5; DIN 53157; NBN T22-105; NF T30-016.

      It’s a simple to use instrument and can be supplied in one of three model types: Persoz, K?nig, and Persoz and K?nig combined

                                                       

Features

 Automatic counter range0999

High precision machined pendulums are good stable, ensure a repeatable and comparable testing result.

Can change two test procedure: K?nig or Persoz test

Suitable to different thickness substrates from 0.3mm6.0mm

Humanistic LCD Operator Interface

Release Pendulum with shutter release, can get more accuracy test result.

Lifting platform designed specially can fix specimen easily, platform can keep stable and no shake when pendulum is oscillating.

Spirit levels produced specially have high precision, convenient customer to adjust level precisely.

Can record automatically the time or times for the amplitude of swing to decrease from one angle to other angle and stop testing automatically.

Record the data with two light sensitive sensors

Can select record mode freely:  Timing mode or counting mode.

Single piece glass enclosure reduces the effects of air flow on final results.

Come with Calibration Certificate.



Ordering   Information

Technical   Item

BGD   509/K

BGD   509/P

BGD 509/K+P

Pendulum

K?nig

Persoz

K?nig+   Persoz

Weight

200g±0.2

500g±0.1

200g±0.2/500g±0.1

Ball   Diameter

5mm0.2in

8mm0.3in

5mm/8mm

Deflection   Start

6o

12o

6o/12o

Deflection   End

3o

4o

3o/4o

Period   of Oscillation

1.4s

1s

1.4s/1s

Damping   Time on Glass

250±10s

430±10s

250±10s/430±10s


Introduction Video


Operation Video


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Biuged Precise Instruments
(Guangzhou) Co.,Ltd

Add:No.15, Fuzhong Road, Zhong
xin Town, Zengcheng district,
Guangzhou City. China

Tel:+86-20-32955820

Fax:+86-20-32955819

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Biuged Laboratory Instruments
(Guangzhou) Co.,Ltd.

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Guangzhou.China

Tel:+86-20-32955999

Fax:+86-20-32955818

E-mail:sara@biuged.com

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(Shanghai) Co.,Ltd

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Zhujiajiao Town, Qingpu District,
Shanghai City, China.

Tel:+86-21-59240298

Fax:+86-21-59249719

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