Sanitary RTD Assemblies
Spring Loaded Design with
Sanitary Thermowell
Allows Sensor
Removal/Calibration
Without Disturbing
Your Clean-In-Place
System
PRS-TW-M12 Series
U Removable Spring Loaded Probe in
Well for Good Thermal Response
U 11⁄2” 16 AMP Tri-Grip™ (Tri-Clamp®
Compatible) Fitting
U Standard Insertion Lengths of
15⁄8, 21⁄2, 41⁄2, 71⁄2, 101⁄2"
U 4-Wire M12 Male Connector
U 316L SS Thermowell with 32 µin
or Better Finish on Wetted Parts
U 4-Wire Pt100 Class A Element Standard
U -50 to 200°C (-58 to 392°F)
Temperature Range
Options
U Fitting Styles
U RTD Elements
Sensor Flange Size
3
to 4" Tri-Grip
4
⁄
Range
Process Flange.
See Page 5 or Visit
omega.com/tri-grip
for Details
M12 male
connection
plug.
11⁄2"
11⁄2"
TM
Insertion
length
PRS-3-100-A-TW-0250-D1-M12
shown smaller than actual size.
M12C-PVC-4-S-F-5,
mating cable sold
separately, visit
omega.com/m12c
for optional
extension cables.
1
⁄2 NPT fitting
spring loads
sensor in
thermowell.
316L SS 1
16 AMP
Tri-GripTM
cap standard.
1
⁄2"
32 µin Finish
The OMEGA® PRS-TW-M12 series RTD probes are
spring loaded into a sanitary thermowell, with a
1
⁄2 x 1⁄2 NPT fitting for easy removal. These probes
feature a 4-wire Pt100 Class A element
(100 ±0.06 Ω at 0°C) that is compatible with 3-wire
RTD instrumentation.
Please consult sales for available options, including
element types and curves, probe lengths, and sanitary
Standard well features include a 0.5" dia. stem
(0.75" stepped down for insertion lengths over 2.5")
stem with a 0.260" bore diameter. See the S-260 series
thermowells, visit omega.com/s-260_s-385 for complete
well dimensions.
M12 Connector Style Sensors
fitting styles.
To Order
Visit omega.com/prs-3-100-tw-m12 for Pricing and Details
Lead Wire Well Stem Insertion Shank
Model No. Style Ω at 0°C Length Length Diameter
PRS-3-100-A-TW-0163-D1-M12 4-wire 100 2
1
" 1
⁄
2
PRS-3-100-A-TW-0250-D1-M12 4-wire 100 4" 2
PRS-3-100-A-TW-0450-D1-M12 4-wire 100 6" 4
PRS-3-100-A-TW-0750-D1-M12 4-wire 100 9" 7
PRS-3-100-A-TW-1050-D1-M12 4-wire 100 12" 10
Visit omega.com/m12c for M12C series cables with M12 connectors. Please consult sales for available options, including element types and
curves, probe lengths, and sanitary fitting styles.
Ordering Examples: PRS-3-100-A-TW-0450-D1-M12 4-wire Pt100 RTD sensor (100 Ω @ 0°C, Class A accuracy) M12 4-wire male
connector, spring loaded in a 1
PRS-3-100-A-TW-0750-D1-M12 4-wire Pt100 RTD sensor (100 Ω @ 0°C, Class A accuracy) M12 4-wire male connector, spring loaded in a
1
1
" 16 AMP fitting thermowell with 9" stem length/7
⁄
2
21
Sanitary product line continues to expand,
1
⁄2" 16 AMP fitting thermowell with 6" stem length/4
1
⁄2" insertion length.
1
" insertion length.
⁄
2
5
"
⁄
8
1
"
⁄
2
1
"
⁄
2
1
"
⁄
2
1
"
⁄
2
3
step to
⁄
4
3
step to
⁄
4
3
step to
⁄
4
visit omega.com/sanitary for details!
1
"
⁄
2
1
"
⁄
2
1
"
⁄
2
1
"
⁄
2
1
"
⁄
2