![](/html/68/684f/684fe75d4e38fbf4db81fa39eef6e1f5655ebddb7f15c05bacec565694b4b359/bg1.png)
Short RTD Probe
PR-20 Series
ACCURACY
IEC CLASS
(±0.15ºC @ 0ºC)
U 2" Compact Design for
Applications with Space
Restrictions
U Transitions Directly
to Lead Wires
(No Transition Fitting)
U Temperature Range:
PFA: -50 to 260ºC
(-58 to 500ºF)
Fiberglass: -50 to 450ºC
(-58 to 842ºF)
Depending on
Cable Selection
U High-Accuracy, 100 Ω,
Class “A” DIN Platinum
Elements per IEC751
(alpha = 0.00385 Ω/Ω/ºC)
U 2-, 3-, 4-Wire
Constructions Available
These general purpose 2" long
sensors can be used in most liquid
and air applications. When used
in liquid environments, the epoxysealed end should not be immersed
A
1
⁄8, 3⁄16 or 1⁄4" Diameter
PR-20-2-100-1/8-2-E-T,
shown actual size.
PR-20-2-100-3/16-2-E-T sensor,
shown smaller than
actual size.
BRLK-316-18 fitting,
shown smaller
than actual size,
visit omega.com.
PFA insulation shown
directly into the liquid. Compression
fittings are also available for
installation. These probes can
be used as stand-alone sensors,
or they can be configured with a
2"
C
PFA insulation shown.
1 m (40") of #26 AWS
stranded nickel plated
copper, PFA insulated
and jacketed or fiberglass
insulated and jacket cable.
variety of termination
options, and combined
with controllers,
indicators, or precision
thermometers to create
complete measurement systems.
To Order Visit omega.com/pr-20 for Pricing and Details
Model Number Probe Diameter (inch) Lead Wire Style* Max Temp Range °C (°F)
PR-20-2-100-1/8-2-E-T
PR-20-2-100-3/16-2-E-T
PR-20-2-100-1/4-2-E-T
PR-20-2-100-1/8-2-E-G
PR-20-2-100-3/16-2-E-G
PR-20-2-100-1/4-2-E-G
Note: For leads longer than 40", add “(-desired length in inches)” to the model number for additional price.
For 4 wire configurations change the “2” to a “3” in the model number for additional price.
*
4-wire constructions are not available in 1⁄8" diameters.
Terminations Available: for “-LUG”, for “-OTP” and “-MTP” connectors. Visit omega.com for additional price.
Ordering Example: PR-20-2-100-3/16-2-E-T, 2", 3⁄16" diameter, 3-wire 100 Ω RTD probe with 40" PFA insulated lead wire.
Accessories
Model Number Description
MTP-U-M Miniature male 3-prong flat pin connector
OTP-U-M Heavy-duty male 3-prong round pin connector
DPi32
1
⁄32 DIN panel meter
SSLK-18-18 Compression fitting for 1⁄8" probe with 1⁄8 male NPT
SSLK-14-14 Compression fitting for 1⁄4" probe with 1⁄4 male NPT
SSLK-316-14 Compression fitting for 3⁄16" probe with 1⁄4 male NPT
SSLK-316-18 Compression fitting for 3⁄16" probe with 1⁄8 male NPT
1
⁄8 3-wire/PFA insulation 260 (500)
3
⁄16 3-wire/PFA insulation* 260 (500)
1
⁄4 3-wire/PFA insulation* 260 (500)
1
⁄8 3-wire/fiberglass insulation 450 (842)
3
⁄16 3-wire/fiberglass insulation* 450 (842)
1
⁄4 3-wire/fiberglass insulation* 450 (842)
C-82