Keithley TEC SourceMeter 2510, Service Manual, Page: 39 / 120

2-12 Calibration Models 2510 and 2510-AT
Step 4: Temperature calibration
1. Connect the 100
Ω
resistor to the Model 2510 INPUT terminals, as shown in Figure 2-3.
2. From the CAL EXECUTE menu, select TEMPERATURE, then press ENTER. The
instrument will display the following message:
TEMPERATURE CAL
THERMISTOR RTD I-SS V-SS
3. Select THERMISTOR, then press ENTER. The instrument will display the following:
THERMISTOR CAL
100
Ω
1k
Ω
10k
Ω
100k
Ω
4. Select 100
Ω
, then press ENTER. The unit will display the following:
THERMISTOR CAL
Connect 100
Ω
to temperature
©
ß
sensor and press ENTER.
5. Make sure the 100
Ω
resistor is properly connected, then press ENTER. The
Model 2510 will display the following:
RES VALUE: 0.100000k
Ω
Use
ß
,
©
,
¹
,
ƒ
, ENTER or EXIT.
6. Use the EDIT keys to adjust the Model 2510 display to agree exactly with the
characterized 100
Ω
resistance value, then press ENTER. The unit will display the
following:
THERMISTOR CAL
Connect a Short to temperature
©
ß
sensor and press ENTER.
7. Short all four INPUT terminals together using clean copper wire, as shown in
Figure 2-4. Allow one minute for thermal equilibrium.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
120
LINE RATING
100-240VAC
50, 60 HZ
90VA MAX
LINE FUSE
SLOWBLOW
2.5A, 250V
!
!
CAT
I
IEEE-488
(ENTER IEEE ADDRESS
WITH FRONT PANEL MENU)
MADE IN
U.S.A.
ENABLE-DIG I/O
RS-232
TRIGGER
LINK
OUTPUT INPUT
F+ S+ S- F- F+ F- S+ S-
ISOLATION FROM EARTH: 30V MAX.
Model 2510
100
Ω
, 1k
Ω
, 10k
Ω
,
or 100k
Ω
Resistor
INPUT S-
INPUT F-
INPUT S+
INPUT F+
Connect sense (S) leads as close
as possible to resistor body.
Figure 2-3
Thermistor and RTD
calibration resistor
connections
2510-902-01 (E - Mar 2010)(Service).book Page 12 Tuesday, March 16, 2010 1:04 PM