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When mounted on the
measuring stand, the tester can be used as a stationary hardness tester.
This compact, lightweight checker (2.5kg) can be carried around on-site.
< 초음파 경도계 비교 >
|
Model |
SONODUR PLUS (독일) |
MIC-10 / MIC-10 DL (독일) |
SH-21 (일본) | |
|
외관 |
|
|
| |
|
시스템 |
테스트방식 |
UCI Method |
UCI Method |
UCI Method |
|
표준 (DIN 50159, ASTM A1038) |
표준 ( ASTM A1038) |
| ||
|
Test Loads |
|
|
| |
|
휴대용 |
(1kgf), (5kgf), (10kgf) |
(1kgf), (5kgf), (10kgf) |
(1kgf), (2kgf), (4kgf) | |
|
전동식 |
(0.1kgf), (0.3kgf), (0.9kgf) |
(0.1kgf), (0.3kgf), (0.9kgf) |
| |
|
Range |
10 ~ 9,999HV |
20 ~ 1740HV |
50 ~ 999HV | |
|
측정정확도 |
±3% 이하 |
±3.6% |
±3% | |
|
경도 스케일 전환 |
HV, HB, HK, HRB, HRF, |
HV, HB, HRC, HRB |
HV, HRC, HS, HB | |
|
HRC, HRA, HRD, HR45N, Mpa | ||||
|
전원 |
Li-ion 충전배터리 (3.7V / 3000mAh) |
2 x 1.5V AA |
Li-ion 충전배터리 | |
|
작동시간 |
전동: 8시간 또는 500회 측정이상 |
|
| |
|
32시간 또는 2500회 측정이상 |
15시간 (백라이트 켜지 않은채) |
5시간 (백라이트 켜지 않은채) | ||
|
기기 |
디스플레이 |
640 x 320 pixel (터치스크린) |
4 digit LCD (Backlight) |
4 digit LCD (Backlight) |
|
Interface |
USB, Bluetooth, WLAN |
RS232 |
RS232 | |
|
저장용량 (내부+외부) |
내부 75MB + 외부 2GB (약 10,000,000개) |
MIC10: X (MIC10 DL: 1,800개+590개) |
2,000개 | |
|
보호등급 (방진, 방수) |
IP65 (Watertight and dustproof) |
데이터없음 |
데이터없음 | |
|
충격방지 |
MIL Standard 810 516V |
데이터없음 |
데이터없음 | |
|
(1.2M에서 26번 떨어뜨림) | ||||
SH-21 Hand-Held Hardness Checker SONOHARD®
The SH21 is very easy to use and requires no special knowledge of hardness testing in order to operate the instrument. The unit includes all four hardness scales and you can switch between them at the touch of a button.
Quick measurement (few
seconds).
Best repeatability and
precision.
Direct reading of
hardness.
Easy to use hand held probe can be
quickly applied to a variety of surfaces from any direction.
Easy to use - no prior experience of
hardness measurement techniques required.
Built in memory for data and
calibration points.
Measures Vickers, Rockwell, Brinell
and Shore scales.
Interchangeable probes for use with
different profiles, pipes, concave surfaces, gears valves
etc.
Portable works with rechargeable
lithium ion battery.
Applications
Evaluation of carburizing, standard quenching and high-frequency quenching
Weld hardness measurement for welded structures (tanks, hulls, bridges, steel towers ,etc.)
Hardness measurement for a gear tooth flank (narrow area)
Measurement of structural strength or hardness of a facility
100% online inspection for components (engine valves, rack bars, crankshafts, bearings, etc.)
Specifications
| Measuring Indenter | Diamond indenter for Micro-Vickers (facing-to-surface angle of 136 deg) |
|---|---|
| Measuring load | Approx 1kgf (roughly
10N) Approx 2kgf (roughly 20N) Approx 4kgf (roughly 40N) (These loads indicate those in typical applications. As the specification varies according to the object to be measured, please contact us for details.) |
| Measuring range | Rockwell hardness: HRC10.0
to HRC70.0 Vickers hardness: HV50 to HV999 Shore hardness: HS20.0 to HS99.9 Brinell hardness: HB85 to HB550 |
| Reproducibility | HRC:± 1.0HRC , HV : ± (3%rdg)HV , HS: ± 1.0HS , HB : ± (3%rdg)HB |
| Power source | AC adapter (100 to 240V) or lithium ion rechargeable battery |
| Minimum target size | 15 mm (width) x 15 mm (length) x 7 mm (thickness) |
Measuring Stand (option)
Measurement Principle
The Handy Hardness Tester model SH-21 differs completely from traditional hardness testers. Instead of measuring the size of the indentation of the test sample using a microscope, it uses a diamond indenter equipped with a vibrating rod that presses on the test surface at a fixed load and then measures its hardness by applying ultrasonic vibrations and analyzing its damping effect. When the vibration rod is applied to a soft-surfaced test sample with identical qualities and at a fixed force, it makes a deep indentation and gets locked into the groove. Due to this, the resonance frequency increases. Conversely, it does not get locked in when used on hard test samples and the resonance frequency drops. The test sample's hardness can be calculated using the correlation between this deviation and the tested hardness.
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