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PRTXD Series
Loop Powered RTD Temperature
Transmitters
M-445 5/0818
Spring-loaded RTD probes MUST be used with a thermowell. Probe length is measured from
top of full threads to tip of probe. Length = thermowell “A” or “element length” dimension. See
the Omega thermowell specifications. Probe length is NOT the same as thermowell insertion
depth.
NOTE:
.75”
3.0”
3.5”
3 ft long,
2-conductor
22 AWG
cable
(–)BLACK
(+)RED
Remote Device
Loop Power
Supply
24 VDC typical
(–)
(+)
(–)
(+)
0.75”
2.0”
0.25” dia.
Probe Length
A
Hex nipple
1/2” NPT x 1/2”
NPT
316 stainless
Spring-Loaded
Models
Approx. 0.25”
longer to compress
element in
thermowell.
0.50” max.
compression
Continuous
weld on fixed
probe models
1.37”
1.25”
e-mail: [email protected]
For latest product manuals:
www.omegamanual.info
Shop online at
omega.com
User’s Guide
PRTXD Series RTD Transmitters
MODEL
PROBE
LENGTH
PROBE
TYPE
PRTXD-4
4”
Fixed
PRTXD-4-SL
4”
Spring-Loaded
*
PRTXD-12
12”
Fixed
PRTXD-12-SL
12”
Spring-Loaded
*
*Thermowell required for spring-loaded versions
WARNING:
This product can expose you to chemicals including
lead, nickel and chromium, which are known to the State of
California to cause cancer or birth defects or other reproductive
harm. For more information go to www.P65Warnings.ca.gov
TM