DHT-300 Integrated Leeb Hardness Meter / Tester 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
DHT-300C DHT-300DL Two display modes interchange
Specifications:
Hardness parameter: HL, HRC, HRB, HV, HB, HS
Measuring range / metallic materials: See the table 1
Display: 112?4 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: 158x41x26mm (6.3x1.6x1.03 inch)
Weight: 120g / 0.27lb
Standard Delivery:
Main Unit with integrated Impact D
Cleaning brush
Test block with HLD value
Certificate
AC adapter / charger
Small supporting ring
Carrying case
Software and Cable
Operation manual
Optional Accessories:
Mini-printer and Cable Special support rings
Optional colors