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1-3-2500 Umeda 1-Chome
Kita-Ku, Osaka 530-0001
Japan

Phone : 81-6-6347-0685
Fax : 81-6-6347-7555

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TOP > Hardness Tester> SONOHARD SH-21

Handy Hardness Tester

SONOHARD SH-21

■SH-21

Features

・Measurement possible in just a few seconds.
Makes it possible to reduce measurement time.

・Extremely minute indentations (approximately 0.1mm²)
   Can be used for product inspections, as indentations are
virtually unnoticeable.

・ Direct reading of hardness values (HV,HRC,HS, and HB).
    The hardness value can be obtained with one
   measurement without using calculation formulas.

・Conversion to tensile strength (N/m㎡).
  The level of the strength of materials can be converted
according to tensile strength values.

・Measuring tables (wooden,iron,resin,etc) do not affect measurement.
   Can be used without worrying about the location of measurement.

・The backsides of test samples do not affect measurement.
   Measurements can be made without being influenced by the backside of work pieces.

・Data can be stored in memory up to 2,000 pieces.
   Data can be managed easily using customer's own developed software of data transfer to PC.

・10 pieces of calibration memory.
   It is not necessary to re-calibrate every time the nature of the work changes.

・The handy recharge pack makes it easy to carry out on-site measurements.
   This makes it possible to measure steel towers,ships,large-scale parts,complexly arranged
parts and other items both indoors and outdoors in their natural state.

・Free measuring ability in all directions.
  Not only vertically and horizontally but all directional measurements can be made without any
compensation.

・Beneficial to reducing costs by making periodic part replacement unnecessary.
  Static pressure types of loads eliminate the need for temporary parts and annual replacement.

・Hardening and annealing can be controlled according to hardness levels.
   It is possible to check the state of hardening and annealing of repaired metal casts according
   to their hardness levels.

・Possible to make output to an external printer (optional).
   This makes it possible to quickly record measurement data using a printer on site.

・Upper and lower limit alarms can be established.
It is possible to set up alarms to notify if the allowable limits of a work piece have been
surpassed.

Model name	Handy hardness Tester SONOHARD® SH-21(E) (Motorized/manual switchover type probe		Display make-up	a. Measured value： 3 digits b. TIMES： 2 digits (measuring frequency) c. MAX value： 3 digits d.MIN value： 3 digits e.σ： 4 digits (standard deviation) f. χ： 4 digits (average value)
Measuring indenter	Diamond indenter for Micro-Vickers (facing-to-surface angle of 136°)
Test load and control no. CE making complied models are required to add (CE) with control no.	1.Approx 2kgf (roughly 20N)	SH-21-E2
	2.Approx 1kgf (roughly 10N)	SH-21-E1
	3.Approx 4kgf (roughly 40N) (special type manual probe only)	SH-21-E4
Measuring range	1.Rockwell hardness HRC 10～70 2.Vickers hardness HV 50～999 3.Shore hardness HS 20.0～99.9 4.Brinell hardness HB 85～550
Reproducibility	HRC：±1.0HRC, HV：±(3％rdg)HV, HS ：±1.0HS, HB：±(3％rdg)HB		Set-up	a.UPPER (upper limit) b. LOWER (lower limit) c. TIMES (measuring frequency) d. CANCEL
Applicable test materials	With steel as the principle material,other metalic materials may also be measured by calibrating against a standard hardness test block.
Display of measured values	Digital display (LCD,4 digits) with EL backlight
Data memory	2,000 pieces
Digital display units	1HV, 0.1HRC, 0.1HS, 1HB, 1N/mm² (tensile strength)		Alarm	a. Alarm(buzzer sound)
Allowable operating temperature	0～50℃		Output	a. RS-232C output used for data transmission or printing
Power source	AC adapter (100～240V) or lithium ion rechargeable battery
Continious operating hours	5 hours when featuring a rechargeable BL；8 hours without BL *BL=backlight
Dimensions	Display unit：97(W)×50(D)×170(H) mm, Probe diameter：40mm,length：164mm		Frequency	1. Motorized/manual switchover type approx 69×71kHz 2. Manual type (special type) approx 38～40kHz
Weight	Display unit：approx. 400g (including battery), Probe and cable：approx. 400g
Carrying case dimensions	400(W)×220(D)×140(H)mm
Standard components	1 display unit, 1 probe(including standard attachment/UA5410), 1 hardness standard test block(arround HRC55), 1 probe cable 1.5m, 1AC adapter 100～240V (A05C1-09MI), 1 recharger (MK-8220), 1 lithium ion battery (MK-8401), 1 carrying case (MK-9701)		Conversion	HV、HRC、HS、HB、N/mm² according to JIS B 7731 ASTM E 140、DIN 50150
Options	Standard hardness test blocks HV600,HS50,HB300 used for scale calibration, Measuring stand for small objects(SH-S02),probe attachment for pipes materials(UA4-4005), Probe attachment for inner races(UA4-4006), Printer model DPUH245AS with cable, Printer paper(TP-H241L), Stand for the main unit(SH-P03)