Fluke 2635A, User Manual

Page: 64 / 268

2635A
Users Manual
2-14
Table 2-3. Thermocouple Ranges
Positive Lead
(H) Color
Negative Lead Usable
Type Material ANSI* IEC**
Material Range (°C)
J Iron White Black Constantan -200 to 760
C*** Tungsten (5% Rhenium) White Tungsten (26% Rhenium) 0 to 2316
b Platinum (30% Rhodium) Gray Platinum (6% Rhodium) 0 to 1820
S Platinum Black Orang
e
Platinum (10% Rhodium) -50 to 1768
R Platinum Black Orang
e
Platinum (13% Rhodium) -50 to 1768
N NICROSIL Orang
e
NISIL -270 to 1300
T Copper Blue Brown Constantan -270 to 400
E Chromel Purple Violet Constantan -270 to 1000
K Chromel Yellow Green Alumel -270 to 1372
* American National Standards Institute (ANSI) device negative lead (L) is always red.
** International Electrotechnical Commission (IEC) device negative lead (L) is always white.
*** Not an ANSI designation but a Hoskins Engineering Company designation.
FUNC
ENTER
SET FUNC
OFF
°
F [
°
C]*
Hz
Ω
VAC
V DC
ENTER
SET FUNC
Typical
Required
Selecting the Temperature Mode. Press the
FUNC key to access the SET FUNC (Set
Function) menu. Press the up/down arrow keys
until
°
C (Centigrade) or
°
F (Fahrenheit) is
displayed, then press the ENTER key. (If the
opposite temperature scale is desired, refer to
Figure 2-2.)
Selecting the Type of Thermocouple. Select
the desired type of thermocouple from the menu,
for example, T, then press ENTER. The "Pt"
(Platinum) setting is used for RTDs only (See
Figure 2-9).
* Depends on
temperature scale.
** Only Pt can be
selected for Channel 0.
J
K
E
T
N
R
S
b
C
Pt**
op20f.eps
Figure 2-8. Configuring a Channel to Measure Temperature (Thermocouples)