Z-ROK Portable Hardness Tester



The new ZRX-2 is designed to test the hardness of large hard metal parts.
Blazing fast test speeds coupled with memory and output, this unit is a must have for virtually any work shop.
The ZRX-2 can perform tests that convert to the most popular hardness scales, including Rockwell, Brinell, Vickers, Shore, etc.
  • Easy to use keypad operation
  • Large LCD display with back light
  • USB Data Output
  • Automatic conversions to: Brinell, Rockwell  B & C, Vickers and Shore
  • Battery Indicator
  • Large Memory capacity
Standard Accessories: Included
  • Base instrument
  • Impact device D
  • Calibrated test block
  • Data Output Software
  • USB Cable
  • Custom carry case
  • Cleaning brush
  • Operation manual
Optional accessories:
  • Impact devices; DC, D+15, DL, G, C
  • Special support rings
  • NIST certified test blocks
  • Accuracy: +/- 4HLD
  • Repeatability: +/- 4HLD
  • Measuring range: 200-960 HL
  • Materials: steel & cast steel, alloy tool steel, stainless steel, grey cast iron, spheroidal iron, cast aluminum, brass, bronze, wrought copper alloy.
  • Battery type: AA alkaline (2)
  • Operating temperature: 5-104 degrees F
  • Dimensions: 150 x 74 x 32mm
  • Weight: 245 grams

Special Application Impact Devices
Impact Device D Universal standard device:
Use for the majority of hardness testing applications
Impact Device DL
Needle front section  .109” diameter x 1.96” length
Measurements in extremely confined spaces
Impact Device G
Enlarged test tip: For use on solid heavy components such as; rough castings and forgings.
Impact Device DC
Extremely short impact device
Used for very confined spaces such as holes, cylinders, internal measurements
Impact Device D+15
Slim front section with coil set back.
Hardness measurements in grooves, recessed surface.
Impact Device C
Reduced impact energy
For testing case hardened or thin walled components

Additional information

Weight 14 lbs
Dimensions 18 × 14 × 10 in
Model No.