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Specialist Test Products > Kelvin Test Probes >

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. tact us regarding our high current/heavy duty range.

PK2 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)
4.5mm
Recommended travel
3.0mm
Spring force at F.T.
195g
Maximum current (outer)
3 Amp
Drill hole size for probe
1.65mm

Receptacle Specification

Optional receptacle part no: RK2
Drill hole size for receptacle: 2.05mm


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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

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PK4 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)
7.0mm
Recommended travel
4.0mm
Spring force at F.T.
460g
- Except PK4QB-3.5, PK4M2J
250g
Maximum current (outer)
10 Amp
Drill hole size for probe
4.20mm

Receptacle Specification

Optional receptacle part no: RK4
Drill hole size for receptacle: 4.80mm

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PK5 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)
7.0mm
Recommended travel
4.0mm
Spring force at F.T.
480g
Maximum current (outer)
20 Amp
Drill hole size for probe
5.70mm

Receptacle Specification

Optional receptacle part no: RK5
Drill hole size for receptacle: 6.3mm

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