Threaded Bolt RTDs
(Series RF1)

RF1 RTD Catalog Page

Ordering Information

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Element Accuracy
Wire Configuration
Thread Size/Probe Diameter
Lead Wire Material
Lead Wire Length
Termination Style
Special Features

2 Element Type
T 100 Ω DIN 00385 (thin film)
U 500 Ω DIN 00385 (thin film)
W 1000 Ω DIN 00385 (thin film)
X 120 Ω Nickel DIN 00672 (thin film)
Y 100 Ω DIN 003916 (wire wound)
Z 500 Ω DIN 003916 (wire wound)
Q 10 Ω copper (thin film)

3 Element Accuracy
A Class A (0.06%)
B Class B (0.12%)

4 Wire Configuration
2 2-wire
3 3-wire
4 4-wire

5 Insertion Length
W 1/2"
X 5/8"
Y 3/4"
Z 1"

6 Thread Size
A 1/4-28/1/8" diameter
B 1/4-20/1/8" diameter
C 10-32 (Grounded only)
D 8-32 (Grounded only)
E M5 X 0.8 pitch
F M6 x 1 pitch/1/8" diameter
G M8 x 1 pitch/3/16" diameter
H M8 x 1.25 pitch/3/16" diameter
J M10 x 1 pitch
K M10 x 1.25 pitch
P M10 x 1.5 pitch
R M12 x 1.25 pitch
S M12 x 1.5 pitch
W M12 x 1.75 pitch
X 1/2-20
Y 1/8"npt

7 Lead Wire Material
A Fiberglass (800°F)
B Fluoropolymer (400°F)
C Fiberglass with stainless steel braid (800°F)
D Fluoropolymer with stainless steel braid (400°F)
E Fiberglass with armor cable (800°F)
F Fluoropolymer with armor cable (400°F)
  Options C & D require a transition fitting for thread size options F, H & M (transition fitting 3/16" OD X 1" long)

8 Lead Wire Length
  Over 999" contact factory

9 Termination Style
A 2" stripped leads (bare ends)
B 2" stripped w/ #8 spade lugs
C Standard male 2-pin plug (400°F)
D Standard male 3-pin plug (400°F)
F Standard 2-pin female jack (400°F)
G Standard 3-pin female jack (400°F)
H Miniature male 2-pin plug (400°F)
P Miniature male 3-pin plug (400°F)
J Miniature female 2-pin jack (400°F)
K Miniature female 3-pin jack (400°F)
R Dual molded male 4-pin plug (400°F) (for dual 2 wire)
T Dual molded female 4-hole jack (400°F) (for dual 2 wire)
W 2" stripped leads w/ pin terminals
Q 2" stripped leads w/ wire ferrules


Extra long lead wire length (beyond 2” stripped leads)

10 Special Features
02 1.5" long strain relief spring
03 1.5" long heat shrink where wire exits the probe
06 Epoxy seal
07 Cable Clamp
08 Bx Connector
09 Mating connector
27 Transition Fitting on tube & wire sensor
32 1/4-28 bolt w/ 5/16” hex (small hex)
33 1/4-28 bolt w/ 7/8” long thread (7/16” hex)