H4000 Portable Hardness Tester


The H4000 portable hardness tester has an easy-to-read  LCD display, memory capacity of 999 readings , built-in printer and readily interchangeable impact probes.

The H4000 Portable Hardness Tester is a rebound device capable of measuring the hardness of a variety of metals and alloys with either flat or round surfaces. This instrument has an easy-to-read digital LCD display, memory function (storage capacity: 999 readings) and readily interchangeable impact probes.

While obtaining data at the test site, the built-in printer can be actuated to obtain a printout, or the unit can be connected to a computer to analyze and/or print data as desired. Leebs hardness numbers can be automatically converted to HLD, HRC, HRB, HB, HV, and HS for a menu of selected metals and alloys. An optional program is available for producing and adding to the menu custom conversions for other metals and alloys of the customer’s choosing.



·Menu operation
·Large LCD display with back-light
·High accuracy
·Automatic mean value display
·Accommodation for all impact devices:D,DC,D+15,G,C, DL, E;
no recalibration required
·Display of hardness values in HL, HRC, HRB, HB, HV & HS
·Testing can be performed at any angle
·Integral micro-printer
·USB interface to PC
·Conforms to ASTM A956
·Optional software for adding custom hardness info


Accuracy ±0.5 %
Display 320 x 240 matrix
LCD display with back light
Printer Built-in printer
Statistics function Average / Max. / Min. value calculation
Limits setting and alarm
Memory 999 data
Output: USB connection
Maximum hardness value:
999 HV (Impact devices D, DC, DL, D+15, C)
68 HRC (Impact devices D, DC, DL, D+15, C)
680 HB (Impact device G)
Minimum sample weight:
2 kg on solid support
0.2 kg with couplant paste
Minimum thickness coupled:
5 mm (Impact device D, DC, DL, D+15)
3 mm (Impact device C)
10 mm (Impact device G)
Low battery indicator
Power supply: 4 AA rechargeable batteries
Charger: 6 V DC, 1000 mA
Charging time: 2 hours
Operating temperature: -20°C to 40 ° C
Dimensions: 215 mm×145 mm×46 mm
Weight: 600 g

Standard package:

H4000 main processor with built-in micro-printer
Impact device D
LD test block
Calibration certificate
Software with USB communication cable
Rechargeable battery pack with charger
Cleaning brush
Instruction manual and carrying case

Optional accessories:

Support rings for curved surfaces
Impact device DC, C, D+15, G, DL
Program for custom alloy/hardness conversions
Hardness scale HL, HRC, HRB, HB, HV and HS
Impact devices D (standard),
DL, DC, D+15, C, G (optional)

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