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23A
23B |
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1/4" Dia. straight probe, 316 stainless steel
1/4" Dia. probe with rigid 1/2 - 14 NPT stainless hex fitting |
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RTD RESISTANCE SPECIFICATIONS (Ohms @ 0°C) |
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T01
T10
H10 |
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100 ± 0.12 (a = 0.00385 Ω/Ω/°C) thin film, IEC751
1000 ± 1.2 (a = 0.00385 Ω/Ω/°C) thin film, IEC751
1000 ± 1.2 (a = 0.00375 Ω/Ω/°C) thin film, Industrial |
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CONNECTION HEAD 23B Only (see table)
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PROBE LENGTH (specify L in inches) (see drawings) |
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LEAD WIRE CONFIGURATION |
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A
B
C
X3
X4 |
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Single element, 2 wires any length
Single element, 3 wires 36" or under in length
Single element, 4 wires 36" or under in length
Single element, 3 wire cable over 36"
Single element, 4 wire cable over 36" |
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ARMOR LENGTH (21A only)
Specify “X” in inches (ie. A0 = no armor, A60 = 60 inches)
(Single element only) |
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LEAD LENGTH (specify in inches)
(12" standard on 23A)
(4" standard on 23B) |
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Typical write-up for 23A |
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Typical write-up for 23B |
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![Dimensional Drawing](../images/dimensional.gif)
Type 23D Spring Loaded Probe Assembly
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![Type 23D](images/r-23D_pf.gif) |
![Ordering Specifications](../images/prod-ordering.gif) |
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23D |
1/4" Dia. Spring Loaded Stainless Hex Probe Assembly |
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RTD RESISTANCE SPECIFICATION (Ohms @ 0°C) |
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T01
T10
H10
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100 ± 0.12 (a = 0.00385 Ω/Ω/°C) thin film, IEC751
1000 ± 1.2 (a = 0.00385 Ω/Ω/°C) thin film, IEC751
1000 ± 1.2 (a = 0.00375 Ω/Ω/°C) thin film, Industrial |
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PROBE LENGTH IN THERMOWELL
( A bore depth in inches, see drawing) |
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PROBE LAG HARDWARE 1/2 x 1/2 NPT |
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A
*
GX
HX
JX
KX |
Hex nipple is 3/4" long stainless*, specify as A (standard)
Other stainlesss hardware, see Data Sheet R-21
(Coupling/nipple extension), black iron,
specify x = min. 3" plus 1" increments
(Union/nipple extension), black iron,
specify x = min. 3" plus 1" increments
(Close nipple, galvanized unsealed parting coupling, nipple extension), black iron,
specify x = minimum 1 1/2" + 1" increments (shortest union)
(Straight nipple), black iron, specify x = 1/8", 1/2", 1", + 1" increments (CREDIT) |
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CONNECTION HEAD (see table below) |
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LEAD WIRE CONFIGURATION |
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A
B
C
X3
X4 |
Single element, 2 wires any length
Single element, 3 wires 36" or under in length
Single element, 4 wires 36" or under in length
Single element, 3 wire cable over 36"
Single element, 4 wire cable over 36" |
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LEAD LENGTH (specify in inches)
(4" standard) |
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Typical write-up for 23D |
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NEMA 4 w/gasket |
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Conduit |
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Max. Temp |
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A |
Small cast aluminum head |
1/2 NPT |
125°C |
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C |
Cast Iron head |
3/4 NPT |
260°C |
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D |
For no connection head specify D |
- |
- |
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E |
Large cast aluminum head |
3/4 NPT |
260°C |
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F |
Economy conduit body |
1/2 NPT |
125°C |
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I |
Hinged plastic |
3/4 NPT |
125°C |
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J |
Hinged cast aluminum |
3/4 NPT |
125°C |
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K |
Din B cast aluminum |
1/2 NPT |
100°C |
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S |
Other (please specify when ordering) |
- |
- |
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T |
Transmitter, specify or supply w/head |
- |
- |
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