Starrett Portable Hardness Tester

Starrett Portable Hardness Tester 

• Combines the universal impact device D with tungsten carbide test tip and a data processor, designed into a single unit.

• Automatically computes at Vickers, Brinell, Rockwell and Shore hardness values. Statistical mean value is automatically provided. Cat No. Description 3811 Portable hardness tester

Specifications

Dimensions 64mmWx29mmD x 65mmL(2 1/20”x1 1/80”x6 1/20”)
Impact Device D (built-in) Impact Energy 8 fl-lbs (11 Nmm)
Test Tip tungsten carbide Measuring Accuracy ±0.8% (corresponding to ±1 HRC @HRC=58)
Maximum Hardness of Sample 980HV
Weight 8.1 oz (28.6 g)
Impact Direction Any angle
Operating Temperature 32o – 122o F (0 – 50o C)
Minimum Weight of Sample 11 lbs/5 kg (less than 5 kg – 0.1 kg coupled on solid support)
Minimum Thickness of Sample 0.20 (5 mm) (coupled: 0.120/3 mm)
Minimum Thickness of Layers 0.320 (0.8 mm)
Minimum Radius of Curved Surface 1.20 (30 mm) (with support rings: 0.430/11 mm)

• Coupling paste is available for testing thin or small parts weighing less than 2.4 lbs. (2 kg).

• Supplied with carry case, calibrated test block and manual.   
  
Part Number 3811