DHT-300 Integrated Hardness Tester by Time Instruments

Time Instruments’ DHT-300 Portable Hardness Tester is a pocket-sized digital impact Hardness Tester for testing material hardness. Data display of the DHT-300 hardness tester includes statistics, and hardness values of metals in Brinell, Rockwell, Leebs, Vickers, and Shore hardness scales. USB data transfer and recharging make the DHT-300 metal hardness tester up-to-date and convenient.

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The DHT-300 Digital Hardness Tester:

Measuring accuracy: +/- 0.5%
Impact device: Model D or DL
Hardness measurement values: HRC, HRB, HRA, HB, HV, HS and HLD
Automatic calculation of average and mean test values
Storage capacity: 1250
USB 2.0 interface
Impact direction: any angle
Impact energy: 8 ft-lbs (11Nmm)
Test tip: Tungsten Carbide
Dimensions: 158 x 41 x 26 mm
Weight: 120g
Operating temperature: 0°C – 50°C

Standard Delivery of the DHT-300:

Processor integrated with impact device
Calibration certificate
Standard test block
Software
USB cord
Battery charger
Support ring
Cleaning brush
Carrying case

DHT-300 HARDNESS RANGES

HL	HRB	HB-10D²	HV
ST & CAST ST	300~900	20.0~68.0	38.4~99.5	80~647		32.5~99.5	80~940
CWT STEEL	300~640	20.4~67.1	46.5~100.7				80~898
STAINLESS	300~800	19.6~62.4		85~656			85~802
GC IRON	360~650			90~334
NC IRON	400~660			131~367
CAST ALUM	174~560				20~190
BRASS	200~550		13.5~95.3		40~173
BRONZES	300~700				60~290
COPPER	200~690				45~315