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PR-12-Series
Process Temperature
Accuracy
-
Nominal Resistance and
100 Ω a
nd 1000 Ω at
0°C standard;
Process
Connection
1/2” NPT
1/2” NPT 1/2” NPT
Dimensions
Diameters: 1/8, 3/16 and
1/4
inch.
Ingress Protection
IP67 IP67 IP67 Response time T90 (s)
1/8”
2.4 sec
1/8”
2.8 sec
1/8”
9 sec
Vibration
IEC 60068
-2-
6; 5 to 2000 Hz sweep
rate, one active per minute;
Shock
IEC 60068
-2-
27; 50g/11ms (15 probes tested together) Duration: 1 day
________________________________________________________________________
RTD Probe with Cast Iron Protection Head
Our PR-12 series probe with chemical-resistant cast iron protection head
and screw-on cap includes PT100 Ω platinum RTD element or PT1000
RTD element, 1/2" NPT mounting threads and sheath of 316 stainless
steel. When properly sized, these can go directly into and bottom out in a
thermowell. All probes include a screw terminal block for easy connection of
insulated copper extension wire. Using our probe configurator, replacement
probes (without head assembly) are available as well as a "spring-loading"
option which allows for the probe to bottom out in a thermowell for quicker
and more accurate response. Applications for this probe include installation
into large vessels and tanks, as well as large pipes for temperature
monitoring.
Features
Class A accuracy, conforming to IEC 60751
Low temperature range: -50 to 250°C (-58 to 482°F)
High temperature range: -50 to 450°C (-58 to 842°F)
Extreme temperature range: -200 to 600°C (-328 to 1112°F)
Standard probe lengths of 2, 3, 4, 6, 9, 12, 18, and 24”
Resistance value: PT100 Ω or PT1000 Ω
Cast iron head with screw-on cap
Choice of PT100 and PT1000 Ω element
IP67 Ingress Protection
Range
Curve
Specifications
Model PR-12L (Low) PR-12H (High) PR-12E (Extreme)
-50 to 250°C
(-58 to 482°F)
Class A
-50 to 450°C
(-58 to 842°F)
Class A from -50 to 300°C
(-58 to 572°F); or else Class B
TCR = 0.00385 Ω/Ω/°C standard
Standard probe length of 2, 3, 4, 6, 12, 18 and 24 inch.
Other lengths may be built using our configurator.
3/16” 2.8 sec
1/4” 3.25 sec
3/16” 4.11 sec
1/4” 5.41 sec
number of sweep cycles 10 and acceleration 5g (15 probes tested together)
Duration: 1 day
-200 to 600°C
(-328 to 1112°F)
Class A from -100 to 450°C
(-148 to 842°F); or else Class B
3/16” 9.8 sec
1/4” 10.6 sec
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