Probe Specifications
Full Travel: .079 (2.01)
Working Travel:
.050 (1.27)
Mechanical Life Exceeds: 50,000

Operating Temperature -55°C to +105°C
Consult factory for other temperature requirements, and applications below -40°

Electrical (Static Conditions)
Current Rating: 2 amps
Maximum continuous current, non-inductive at working travel

Probe Resistance 50 milliohms
With a standard deviation of <4 milliohms @ 25 mA test current

Materials and Finishes
Plunger: Heat-treated steel, nickel boron plated
Barrel: Beryllium copper alloy, gold plated
Spring: Music wire, gold plated
Receptacle Specifications
Mounting Hole Size: .016/.017 (0.41/0.53)
.020 (0.51) Test Centers
A #77 drill is most commonly used

Wire Gauge:
33 AWG

Connections: RMR-22W Crimp
(To order with 32 inches of 32 AWG wire attached, add -32 to model number)

RMR-22F Crimp,
flush mounted

Materials and Finishes Heat-treated beryllium copper, HPA-GOLD" plated (I.D. and O.D.) over hard nickel

Micro Probe
Test Center .020 (0.51)

Spring Force


How to Order


Spring Force (top)

Spring Force in 0z. (grams)
Spring Type Preload Recommended
Travel in. (mm)
Force oz. (grams)
RMP-22 .51 (14) .05 (1.27) 1.50 (43)

Connectors (top)

How to Order (top)

For each probe, specify the probe model and tip style as shown in the example below. If required, specify the optional non-standard spring force.


Order Form


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