FP Series probe specifications

Sensor type

 DescriptionActive area
2X-2502Dex™ standard sensor0.1 mm2

Temperature compensation

 Built-in thermistorTemperature range
StandardYes0 °C to 90 °C
Flexible-thinYes0 °C to 90 °C
CryogenicNo4 K to 363 K using external temperature data

Stem material

StandardAnodized aluminum tube with a 4 mm square cross sectionAnodized aluminum tube with a 1.55 mm maximum thickness by 4.57 ±0.13 mm rectangular cross sectionAnodized aluminum tube with a 2 mm diameter circular cross section
Flexible-thinNAFR-4 PCB 1.14 mm maximum thickness by 3.53 mm NA
CryogenicNA316 stainless steel tube with 4.75 +0.15/-0.11 mm diameter circular cross section316 stainless steel tube with 4.75 +0.15/-0.11 mm diameter circular cross section

Stem length

Distance from tip of sensor to beginning of handle

Stem operating temperature range

Standard0 °C to 90 °C0 °C to 90 °C0 °C to 90 °C
Flexible-thinNA0 °C to 90 °CNA
Cryogenic*NA4 K to 363 K4 K to 363 K

* Cryogenic probes are suitable for use at cryogenic temperatures, but may be damaged with fast thermal cycling. Allow all condensation to fully evaporate from probe before resubmerging into cryogen to avoid damage. Probes damaged by fast thermal cycling are not covered by the product warranty.


 Handheld (default)Mountable
Length, including strain relief138 mm110 mm
Diameter13 mmNA
ThicknessNA10 mm
WidthNA12 mm
MaterialABS/polycarbonate blend with anodized aluminum grip Machined aluminum with brass screws. Mountable to fixture using customer supplied M2 screws with 3.8 mm diameter socket head and 2 mm diameter alignment pins
Operating temperature range0 °C to 80 °C0 °C to 80 °C


Diameter4 mm (0.17 in)5.2 mm (0.21 in)
Bend radius40 mm (1.57 in)52 mm (2.05 in)
Operating temperature range-40 °C to 80 °C
Conductors4 twisted-pair8 twisted-pair
Cable shield100%-coverage foil
Cable insulationModified polyphenylene ether
Connector26-pin Mini-D with quick-release latch

Probe active areas

Active area - axial probeActive area - transverse probeActive area - 3-axis probe
Active area - cryogenic axial probeActive area - cryogenic transverse probe