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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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