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Platinum RTD Probes
Spring Loaded for Use in Thermowells
Standard and Metric Dimensions
PR-19 sub-miniature
aluminum head.
PR-14 miniature
aluminum head.
PR-18
aluminum
head.
PR-12
1
⁄2 NPT
mounting
thread
standard.
Products shown
smaller than
actual size.
cast iron
head.
Standard Dimensions
To Order Visit omega.com/pr-sl_series for Pricing and Details
Length
Model Number Lead Type
PR-(**)-2-100-(*)-6-E-SL 2 100 6"
PR-(**)-2-100-(*)-9-E-SL 2 100 9"
PR-(**)-2-100-(*)-12-E-SL 2 100 12"
PR-(**)-2-100-(*)-18-E-SL 2 100 18"
PR-(**)-2-100-(*)-24-E-SL 2 100 24"
Specify 1/8, 3/16 or 1/4 for probe diameter in inches. Other lengths readily available.
*
Specify protection head style: 12 = cast iron; 14 = miniature aluminum; 18 = aluminum; 19 = subminiature aluminum.
**
† 3-wire lead configuration standard, contact sales for other configurations.
Ordering Example: PR-12-2-100-1/14-6-E-SL, industrial RTD probe with cast iron head, 3-wire configuration (style 2), 100 Ω,
Class “A” DIN Platinum 1⁄4" diameter, 6" length, European curve (a = 0.00385).
Metric Dimensions
To Order
Model Number Lead Type
Visit omega.com/pr-sl_series for Pricing and Details
PR-(**)-2-100-(*)-150-E-SL 2 100 150 mm
PR-(**)-2-100-(*)-225-E-SL 2 100 225 mm
PR-(**)-2-100-(*)-300-E-SL 2 100 300 mm
PR-(**)-2-100-(*)-450-E-SL 2 100 450 mm
PR-(**)-2-100-(*)-600-E-SL 2 100 600 mm
Specify: M30, M45 or M60 for probe diameter in millimeters. Other lengths readily available.
*
Specify protection head style: 12 = cast iron; 14 = miniature aluminum; 18 = aluminum; 19 = subminiature aluminum.
**
† 3-wire lead configuration standard, contact sales for other configurations.
Ordering Example: PR-12-2-100-M60-150-E-SL, industrial RTD probe with cast iron head, 3-wire configuration (style 2), 100 Ω, Class “A”
DIN Platinum 6 mm diameter, 150 mm length, European curve (a = 0.00385).
†
Ω at 0°C Sheath Length
†
Ω at 0°C Sheath Length
U Include Spring Loaded
U Standard Probes are Suplied
U Multiple Connection Head
U A Full Line of Connection
PR Series
ACCURACY
IEC CLASS
(±0.15ºC @ 0ºC)
A
Probes for Improved
Response Time and Vibration
Resistance When Used in
Thermowells (See omega.com
for Thermowells)
with 100 Ω, Class “A” DIN
Platinum Elements in 3-Wire
Configurations
Options Include Screw
Cover
Enclosures
and Snap Locking
with Ceramic
Terminal Boards (See
Table on Next Page)
Head Mountable 4 to 20 mA
Transmitters are Available
for Use with Some Connection
Head Models (See Table on
Next Page)
Note: When installed in a thermowell, the
thread engagement will equal the spring
loading compression length.
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Connection Head Options
Model No. Connection Head Style Material Conduit Connection
PRTF-12 NB1 screw top Cast iron
PRTF-14 NB2 screw top sub
miniature
Aluminum
fitting for
1
⁄2 NPT with compression
PRTF-18 NB3 flip top Aluminum
PRTF-19 NB4 screw down,
subminiature compression fitting
All of these sensors are
supplied with ceramic
terminal blocks with the
sensors wired as shown.
Use RTD Extension Wire,
e.g., EXTT-3CU Series.
See omega.com
Aluminum
M16 x 1.0 with
1
⁄2 NPT
1
⁄8 to 1⁄4" OD cable
1
⁄2 NPT
C
For Additional
Transmitter
Options See
omega.com
TX92 miniature transmitter,
see omega.com
When the sensors are used in remote locations, or in environments where electro-magnetic noise is prevalent. Transmitters are
a perfect choice. The transmitters shown above will convert the resistance of the RTD to a 4 to 20 mA signal.
TX94 ultra-low profile transmitter,
see omega.com
TX904 field rangeable transmitter,
see omega.com
OMEGA can supply your thermowell needs, the following are styles available from stock:
260S Series general use thermowell,
see omega.com
260L Series lagging extension thermowell
see omega.com
,
260A Series limited space thermowell,
see omega.com
260F Series flanged thermowell,
see omega.com
C-96
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