Medium Reach Test Probes

  • Industry standard height for test jigs and production line test positions

  • Wide range of widths depending on the test centre spacing (pitch)

  • Testing of components, transformers, connectors and sub-assemblies

  • Replaceable test probe by use of a receptacle

What is a test probe?

A medium reach, general purpose test probe for testing at a minimum of 2.54mm centres

Test Probe Specification

Full travel
6.35mm (.250″)
Working travel
4.24mm (.167″)
Spring force
at wkg travel
‘L’ Light spring
57g (2.0oz)
‘S’ Light spring
114g (4.0oz)
‘X’ Heavy spring
170g (6.0oz)
‘U’ Ultra heavy spring
283g (10.0oz)
Current rating DC (maximum continuous)
8 amps max. unless shown otherwise in extra spec tab
Operating temperature
-55’C – +150’C (or shown with tip style if different)
Minimum test centres (apart from large heads)

2.54mm (.100″)

Receptacle Specification

Mounting hole size: 1.70mm softer material/1.75mm harder material.

1.75mm drill is most commonly used:
1.70mm holes, drill part no. DA3. 1.75mm holes, drill part no. DA3A.
Receptacle insertion tool part nos. TA3, TA4A

How To Use

Product Selection (PDF)
Watch our YouTube video about test probe and receptacle selection
Fitment & Usage (PDF)
After Care (PDF)

View PA4 Series Range

A medium reach, general purpose probe for testing at a minimum of 3.2mm centres.

Test Probe Specification

Full travel
6.35mm (.250″)
Working travel
4.24mm (.167″)
Spring force
initial
at wkg travel
‘S’ light spring
51g
130g
‘X’ heavy spring
71g
180g
Current rating DC cont (max)
6 Amps
Temperature range
Light spring
-55 to 105 C
Heavy spring
-55 to 150 C
Minimum test centres
3.18mm

Receptacle Specification

Mounting hole size: 2.39/2.44mm.
2.4mm drill is most commonly used:
Drill part no. DA5, Receptacle insertion tool part no. TA5

How To Use

Product Selection (PDF)
Watch our YouTube video about test probe and receptacle selection
Fitment & Usage (PDF)
After Care (PDF)

View PA5 Series Range

A medium reach, general purpose probe for testing at a minimum of 4.75mm centres.

Test Probe Specification

Full travel
6.35mm (.250″)
Working travel
4.24mm (.167″)
Spring force
initial
at wkg travel
‘S’ light spring
63g
136g
‘X’ heavy spring
91g
195g
‘U’ heavy spring
190g
335g
Current rating DC cont (max)
7 Amps
Temperature range
Light spring
-55 to 105 C
Heavy spring
-55 to 150 C
Minimum test centres
4.75mm

Receptacle Specification

Mounting hole size: 2.72/2.77mm.
2.75mm drill is most commonly used:
Drill part no. DA6. Receptacle insertion tool part no. TA6

How To Use

Product Selection (PDF)
Watch our YouTube video about test probe and receptacle selection
Fitment & Usage (PDF)
After Care (PDF)

View PA6 Series Range

A medium reach, general purpose probe, with a high spring force for testing at a minimum of 4.75mm centres.

Test Probe Specification

Full travel
6.35mm (.250″)
Working travel
4.24mm (.167″)
Spring force
initial
at wkg travel
 
173g
454g
except PA7JL
50g
213g
Current rating DC cont (max)
8 Amps
Temperature range
-55 to 150 C
Minimum test centres
4.75mm

Receptacle Specification

Mounting hole size: 3.58/3.63mm.
3.6mm drill is most commonly used:
Drill part no. DA7, Receptacle insertion tool part no. TA7

How To Use

Product Selection (PDF)
Watch our YouTube video about test probe and receptacle selection
Fitment & Usage (PDF)
After Care (PDF)

View PA7 Series Range