LTP - 1
Test Center .075 (1.97)


Spring Force


How to Order


Probe Specifications
Full Travel: .250 (6.35)
Working Travel:
.167 (4.24)

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

Electrical (Static Conditions)
Current Rating: 3 amps
Maximum continuous current, non-inductive at working travel

Probe Resistance 35 milliohms
With a standard deviation of <6 milliohms @ 25 mA test current

Materials and Finishes
Plunger: Heat-treated beryllium copper, gold plated over hard nickel
Barrel: Work-hardened nickel silver, HPA-GOLD" plated (I.D. and O.D.) over hard nickel
Spring: Music wire, gold plated
Receptacle Specifications
Mounting Hole Size: .053/.055 (1.35/1.40)
A # 54 or 1.4 mm drill is most commonly used

Wire Gauge:
24-28 AWG

Connections: LTR-1W Crimp

LTR-1W-1 Solder cup

LTR-1W-2 Wire wrap/square post. Vacuum leak rate not to exceed 1 x 10-4 CFM @ 15 psi

Materials and Finishes
Housing: Work-hardened nickel silver, gold plated over hard nickel
Square Post: Phosphor bronze, gold plated

Tips (top)

Spring Force (top)

Spring Force +/- 20% in 0z. (grams)
Spring Type   Preload 2/3 Travel
To order add dash number to Model Number
Standard Shown 1.64 (46) 4.0 (113)
Alternate -1 .89 (25) 5.5 (155)
Ultra High -2 1.89 (54) 8.0 (227)
Optional spring forces and materials are available

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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