Shenzhen Graigar Technology Co., Ltd: Liaocheng, Shandong, China; Main products: NDT Instruments, Environmental Testing Equipment, Digital?Metal?Detector

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Pocket Size Integrated Leeb Hardness Testers DHT-300 Integration Digital Hardness Test Equipment

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Product Details

Brand Name	GRAIGAR OR OEM		Place of Origin	China
Model Number	DHT-300

Delivery Time:3 working days after received your payment
Certification:CE/ROHS/SGS/ISO9001

Leeb Hardness Meter tester DHT-300 Integration digital Hardness test of metal materials

Features

Pocket size, easy to operate

Based on the hardness HL value, conversion can be performed to HRB, HRC, HV, HB, and HS

For most metals

Automatic orientation correction

USB interface for both recharging and data transfer to PC

Internal memory in a batch of 1250 average readings

Lower and upper limits setting with Low-High display judge

Works on 3.7V rechargeable lithium-battery with working more than 16 hours continuously

Auto shutdown after 5 minutes

Conforming to ASTM A 956

Technical Specification

Testable workpiece

Hardness parameter	HL, HRC, HRB, HV, HB, HS
Measuring range / metallic materials	See the table 1
Display	112 64 LCD with backlight
Display functions D	Impact direction, Battery power consumption, Hardness scale, Hardness value, Average value, Max/Min value, Material, Type of impact device
Accuracy Statistics	Within 0.5% (HLD=800)
Testable workpiece	Thickness coupled: Minimum 3 mm or more (Except with Impact device G:10mm)
Mass: 5kg or more (2-5kg on solid support ,<2kg with couplant paste)
Surface roughness: Ra 10
Radius (convex/concave): Rmin=30mm or more (<30mm with support ring )
Test Points	5mm or more from the edge of the sample, 3mm or more to each of the tested points
Memory	1250 groups
Output	USB port
Impact device (standard)	D
Optional Impact Device	DL / C
Power	3.7V rechargeable lithium-battery with working more than 16 hours continuously
Operating temperature	-20? ~ +40
Overall dimensions	158mm 41mm 26mm
Weight	120g

Table 1 ?(For impact device D)

Shenzhen Graigar Technology Co., Ltd: Contact nameMr. Lee
Chat Now; Phone86-755-27541660; AddressXinfu Building,Center Road,Shajing Street, Baoan District,Shenzhen China, Liaocheng, Shandong

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