EPA-25 Probe, ECT

Probe Specifications

All dimensions in inches (mm.)

Full Travel:	.250 (6,35)
Recommended Working Travel:	.167 (4,24)
Mechanical Life (cycles):	exceeds 2 x 10⁶ cycles
Operating Temperature:	-55 degrees C to + 105 degrees C

Consult factory for other temperature requirements.

Electrical (Static Conditions)

Current Rating:	5 amps maximum continuous current, non-inductive at working travel
Probe Resistance:	25 mOHMS, with a standard deviation of <4 mOHMS at 25 mA test current

Spring Force +/- 20% in oz. (gram)

Spring Type	Dash Number	Preload	2/3 Travel
Standard	as shown	1.16 (33)	3.5 (99)
Alt. (except N)	-1	2.28 (65)	6.3 (179)
Alt. (N only)	-1	2.31 (65)	7.5 (213)
Ultra High (except N)	-2	2.53 (72)	8.0 (227)
Ultra High (N only)	-2	3.62 (103)	10.5 (298)
Ultra High (except N)	-3	5.07 (144)	10.0 (283)

To order, add dash number to Model Number.
Optional spring forces and materials are available.

Materials and Finishes

Plunger:
Finish:
Barrel:
Spring:
Ball:

Heat-treated beryllium copper
Gold plated over hard nickel
Work-hardened nickel silver, gold plated (I.D.& O.D.) over hard nickel
Music wire, silver plated
Stainless steel

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