D-Probe
Universal standard unit. Will handle the majority of hardness testing applications.
Weight: 75g
Model No.: PHT1800-100
Technical Data for Portable Hardness Tester Impact Devices
Note: Impact device D is standard device on all models. Specification is identical.

D+15 -Probe
Very narrow contact area with a set back measurement coil. This device is used to measure hardness in grooves and recessed surfaces.
Weight: 80g
Model No.: PHT1800-110
Technical Data for Portable Hardness Tester Impact Devices
Note: Impact device D is standard device on all models. Specification is identical.

DL -Probe
This model features a needle front section with a diameter of 4mm and a length of 50mm. It is suitable for testing in extremely confined spaces, the base of grooves and on special components such as as gear wheels. For use on steel and cast steel only!
Model No.: PHT1800-115
Technical Data for Portable Hardness Tester Impact Devices
Note: Impact device D is standard device on all models. Specification is identical.

DC-Probe
Very short impact device for those confined areas, i.e. inside bores for internal measurements. Conforms to the D measuring range.
Weight: 50g
Model No.: PHT1800-120
Technical Data for Portable Hardness Tester Impact Devices
Note: Impact device D is standard device on all models. Specification is identical.

G-Probe
This device has an enlarged test tip, and an increased impact energy range (approx. 9 times the D, 72 ft-lb.). Can be used on lower quality finishes for measuring hardness in the Brinell range only (max. 650 HB). Designed to be used with heavy components such as heavy castings and forgings.
Weight: 250g
Model No.: PHT1800-125
Technical Data for Portable Hardness Tester Impact Devices
Note: Impact device D is standard device on all models. Specification is identical.

C-Probe
A reduced impact energy impact device (approximately ¼ of the D Type 2 ft-lb.) for measuring the hardness of surface hardened components, coatings, thin wall or impact sensitive components. Applies a small superficial indentation.
Weight: 75g
Model No.: PHT1800-130
Technical Data for Portable Hardness Tester Impact Devices
Note: Impact device D is standard device on all models. Specification is identical.
