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METAL SHEATH TYPE THERMOCOUPLE ELEMENTS
SANDELIUS NUMBERING SYSTEM

SHEATH O.D. IN
1000THS OF AN INCH
  ANSI CALIBRATION   SHEATH MATERIAL
ORDER
SYMBOL
APPROX.
FRACTION
020
032
040
063
125
188
250
313
375
500
1/50
1/32
1/25
1/16
1/8
3/16
1/4
5/16
3/8
1/2
 
ORDER
SYMBOL
CONDUCTOR MATERIAL
POSITIVE/NEGATIVE
TEMPERATURE
RANGE
E
J
K
R
S
B

N
T
Chromel/Constantan
Iron/Constantan
Chromel/Alumel
Platinum/Platinum 13%Rh
Platinum/Platinum 10%Rh
Platinum 6% Rh/
Platinum 30% Rh
Nicrosil/Nisil
Copper/Constantan
-328-1685ºF
32-1382ºF**
-325-2282ºF**
32-2642¼F
32-2642¼F
1598-3092ºF

32-2282ºF
32-662ºF
*A single letter calibration symbol is used for a single element. A double letter calibration symbol is used for dual element.
EXAMPLE: 125JJ316 is dual element type J.
** Type E, K & T may be used for cryogenic temperatures as low as -328ºF but must be specially ordered to insure accuracy in cryogenic range.
 
ORDER
SYMBOL
APPROX.
FRACTION
200
230
304
304L
310
310L
316
316L
321
347
400
446
600
601
625
702
800
276
277
279
285
337
906
915
Nickel 200
Hoskins 2300
304SS
304L
310SS
310L
316SS
316L
321SS
347SS
Monel 400
448SS
Inconel 600
Inconel 601
Inconel 625
Inconel 702
Inconel 800
Hastelloy C-276
Hastelloy X
Hastelloy B
Tantalum
Titanium
NICROBELL B
NICROBELL C

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