DHT-300 Integrated Leeb Hardness Meter,rockwell hardness tester,hardness gauge,hardness tester

DHT-300 Integrated Leeb Hardness Meter,rockwell hardness tester,hardness gauge,hardness tester

DHT-300 Integrated Leeb Hardness Meter is a portable intergrated Leeb hardness tester which is suitable for the quick hardness test of metal materials. It features high accuracy, reliable performance, easy operation and convenient taking.

Feature & Use:

Pocket size, easy to operate

Based on HL hardness 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

Specifications:

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°C ~ +40°C

Overall dimensions: 158x41x26mm (6.3x1.6x1.03 inch)

Weight: 120g / 0.27lb