Keithley TEC SourceMeter 2510, Service Manual, Page: 43 / 120

2-16 Calibration Models 2510 and 2510-AT
44. Press ENTER to complete the shorted calibration step, then remove the shorting wires
from the INPUT terminals.
45. From the TEMPERATURE CAL menu, select I-SS, then press ENTER. The unit dis-
plays the following:
I-SS CAL
Connect 1k
Ω
to temperature
©
ß
sensor and press ENTER.
46. Connect the DMM and 1k
Ω
resistor to the Model 2510 (Figure 2-5). Press ENTER.
The Model 2510 will display the following:
RES VALUE: 01.00000k
Ω
Use
ß
,
©
,
¹
,
ƒ
, ENTER or EXIT.
47. Use the EDIT keys to adjust the Model 2510 display to agree exactly with the charac-
terized 1k
Ω
resistance value, then press ENTER. The unit will prompt for the DMM
voltage reading:
DMM RDG: +0.833330 V
Use
ß
,
©
,
¹
,
ƒ
, ENTER or EXIT.
48. Note the DMM reading, then adjust the Model 2510 display to agree with that value.
Press ENTER.
49. From the TEMPERATURE CAL menu, select V-SS, then press ENTER. The unit dis-
plays the following:
V-SS CAL
Connect 1k
Ω
to temperature
©
ß
sensor and press ENTER.
50. Make sure the 1k
Ω
resistor and the DMM are still connected to the Model 2510 INPUT
terminals (Figure 2-5).
51. Press ENTER. The Model 2510 will display the following:
DMM RDG: +2.500000V
Use
ß
,
©
,
¹
,
ƒ
, ENTER or EXIT.
52. Note the DMM reading, use the EDIT keys to adjust the Model 2510 display to agree
exactly with that value, then press ENTER. The unit will display the following:
V-SS CAL
Connect a Short to temperature
©
ß
sensor and press ENTER.
53. Short all four INPUT terminals together using clean copper wire (see Figure 2-4).
Allow one minute for thermal equilibrium.
54. Press ENTER. The Model 2510 will display the following:
DMM RDG: +0.000000V
Use
ß
,
©
,
¹
,
ƒ
, ENTER or EXIT.
2510-902-01 (E - Mar 2010)(Service).book Page 16 Tuesday, March 16, 2010 1:04 PM