SERIES 33

Probe Technical Data
Mechanical
MINIMUM CENTERS: .050 (1.27)
FULL TRAVEL: .160 (4.06)
WORKING TRAVEL: Up to .160 (4.06)
OPERATING LIFE: 1,000,000 cycles

Electrical
MAXIMUM CURRENT:3 amps continuous
at working travel, non-inductive
RESISTANCE: At 35 mA test current,
20 mOHMS mean

Materials and Finishes
PLUNGER: Heat treated beryllium
copper, 24Kt gold plated over nickel
BARREL: Nickel silver with precious
metal clad ID.
SPRING: Music wire, silver plated

Spring Force +/- 20% oz. (grams)

Type	Preload	@ 2/3 Travel	@ Full Travel
Std.	2.0 (57)	4.0 (113)	5.0 (141)
-1	2.7 (173)	6.1 (173)	7.8 (221)

Receptacle Technical Data

The top of the barrel sets flush with the top of the receptacle.
MOUNTING HOLE SIZE: .0368/.0378
(.935/.960) diameter
STYLE:
R33-1 Single press ring
R33-3 Double press ring

Material and Finishes
TUBE: Beryllium copper, nickel
clad ID and OD
PLUG HOUSING: Stainless
steel, precious metal clad ID

Wire Plug Technical Data
CONNECTIONS:
WT33-28 Accepts 28 AWG wire wrap wire
WT33-30 Accepts 30 AWG wire wrap wire

Material and Finishes
gold plated brass with insulator

To Order
PROBE:
Select tip style and spring force
EXAMPLE: 33-A has a cup style tip
with a 4.0 oz. (113 grams) spring
33-A-1 has a 6.1 oz. (173 grams) spring
RECEPTACLE & WIRE PLUG:
Order part number as shown