Agilent Technologies 34420A, User Manual

Page: 269 / 294

Type + lead - lead
Temperature
Range
Probe
Accuracy
Comments
B
U.S.
British
DIN
Japanese
French
Platinum – 30%
Rhodium
Gray
N/A
Red
Red
N/A
Platinum– 60%
Rhodium
Red
N/A
Gray
Gray
N/A
250 to 1820 ° C ± 0.5 ° C High Temperature. Beware
of contamination. Do not
insert in metal tubes.
J
U.S.
British
DIN
Japanese
French
Iron
White
Yellow
Red
Red
Yellow
Constantan
Red
Blue
Blue
White
Black
-210 to 1200 °
C
± 1.1 to 2.2 °
C
For vacuum, inert
environments.
Least expensive.
Not recommended for low
temperature.
K
U.S.
British
DIN
Japanese
French
Nickel – Chromium
Yellow
Brown
Red
Red
Yellow
Nickel – Aluminum
Red
Blue
Green
White
Purple
-200 to 1370
°
C
±
1.1 to 2.2
°
C
For oxidizing environments.
Good linearity above 8 ° C.
T
U.S.
British
DIN
Japanese
French
Copper
Blue
White
Red
Red
Yellow
Constantan
Red
Blue
Brown
White
Blue
-200 to 400 ° C ± 0.5 to 1 ° C Withstands moisture.
Has a copper lead.
Low temperature
applications.
E
U.S.
British
DIN
Japanese
French
Nickel – Chromium
Purple
Brown
Red
Red
Yellow
Constantan
Red
Blue
Black
White
Blue
-200 to 1000 °
C
± 1 to 1.7 ° C Highest output voltage.
Highest resolution.
N
U.S.
British
DIN
Japanese
French
Nicrosil
Orange
N/A
N/A
N/A
N/A
Nisil
Red
N/A
N/A
N/A
N/A
-200 to 1300 °
C
± 1.1 to 2.2 °
C
Superior stability to type K
at high temperatures.
R
U.S.
British
DIN
Japanese
French
Platinum – 13%
Rhodium
Black
White
Red
Red
Yellow
Rhodium
Red
Blue
White
White
Green
-50 to 1760 ° C ± 0.6 to 1.5 °
C
High Temperature. Beware
of contamination. Do not
insert in metal tubes.
S
U.S.
British
DIN
Japanese
French
Platinum – 10%
Rhodium
Black
White
Red
Red
Yellow
Platinum
Red
Blue
White
White
Green
-50 to 1760 ° C ± 0.6 to 1.5 °
C
Low error, good stability.
High Temperature. Beware
of contamination. Do not
insert in metal tubes.
Constantan = Copper–Nickel, Nicrosil = Nickel–Chromium–Silicon, Nisil = Nickel–Silicone–Magnesium.
N/A = Not Available
7
Chapter 7 Measurement Tutorial
Measurement Techniques and Sources of Error
269