Specialist Test Products > Kelvin Test Probes > PK3 Series >

A range of concentric test probes intended specifically for making 4 to 6 pole (Kelvin) tests on PCBs, bus bars, equipment chassis and screw heads. A wide range of tip styles is available including sharp inner and outer probes for contact problem areas and concaved outer designed for contacting pan-head screws. This range makes low resistance measurements very easy. Contact us regarding our high current/heavy duty range.

Test Probe Specification

Full travel (outer)
4.0mm
Recommended travel
3.0mm
Spring force at F.T.
210g
Maximum current (outer)
5 Amp
Drill hole size for probe
2.90mm

Receptacle Specification

Optional receptacle part no: RK3
Drill hole size for receptacle: 3.25mm

See receptacles at bottom of page

For pricing, availability or to place an order
click on a part no. below

Tip Style

SERRATED/SPEAR

SERRATED/SPEAR

PK3HB

Tip Style

SERRATED/SERRATED

SERRATED/SERRATED

PK3HH

Tip Style

CROWN/SERRATED

CROWN/SERRATED
PK3QH-3.0 A=3.0mm  
PK3QH-3.5 A=3.5mm  
PK3QH-2.5 A=2.5mm    

Receptacle

RECEPTACLE

RECEPTACLE

RK3