SourceMeter
®
Line Specifications
SYSTEM SPEEDS
1
Reading rates applicable for voltage or current measurements. Auto zero off, autorange
off, filter off, display off, trigger delay = 0, and binary reading format.
2
Purely resistive lead. 1µA and 10µA ranges <65ms.
3
1000 point sweep was characterized with the source on a fixed range.
4
Pass/Fail test performed using one high limit and one low math limit.
5
Includes time to re-program source to a new level before making measurement.
6
Time from falling edge of START OF TEST signal to falling edge of END OF TEST signal.
7
Command processing time of :SOURce:VOLTage|CURRent:TRIGgered <nrf> command
not included.
NOISE REJECTION:
NPLC
NMRR
CMRR
Fast
0.01
—
80 dB
Medium
0.1
—
80 dB
Slow
1
60 dB
100 dB
1
1
Except lowest 2 current ranges = 90dB.
LOAD IMPEDANCE: Stable into 20,000pF typical.
COMMON MODE VOLTAGE: 250V DC (40V DC for Model 2440).
COMMON MODE ISOLATION: >10
9
Ω
, <1000pF.
OVERRANGE: 105% of range, source and measure.
MAX.VOLTAGE DROP BETWEEN INPUT/OUTPUT AND SENSE TERMINALS: 5V.
MAX. SENSE LEAD RESISTANCE: 1M
Ω
for rated accuracy.
SENSE INPUT IMPEDANCE: >10
10
Ω
.
GUARD OFFSET VOLTAGE: <150µV, typical (300µV for Models 2430, 2440).
SOURCE OUTPUT MODES:
Pulse (Model 2430 only)
Fixed DC level
Memory List (mixed function)
Stair (linear and log)
SOURCE MEMORY LIST: 100 points max.
MEMORY BUFFER: 5,000 readings @ 5 digits (two 2,500 point buffers). Includes
selected measured value(s) and time stamp. Lithium battery backup (3 yr+ bat-
tery life).
PROGRAMMABILITY: IEEE-488 (SCPI-1995.0), RS-232, 5 user-definable power-up
states plus factory default and *RST.
DIGITAL INTERFACE:
Interlock: Active low input.
Handler Interface: Start of test, end of test, 3 category bits. +5V@ 300mA supply.
Digital I/O: 1 trigger input, 4 TTL/Relay Drive outputs (33V @ 500mA, diode
clamped).
POWER SUPPLY: 100V to 240V rms, 50–60Hz (automatically detected at power up).
Model 2400: 190VA. Model 2410: 210VA. Model 2420: 220VA. Model 2425, 2430:
250VA. Model 2440: 240VA.
COOLING: (Model 2410, 2420, 2425, 2430, 2440): Forced air, variable speed.
WARRANTY: 1 year.
EMC: Conforms to European Union Directive 89/336/EEC, EN 61326-1.
SAFETY: Conforms to European Union Directive 73/23/EEC, EN61010-1.
VIBRATION: MIL-PRF-28800F Class 3 Random.
WARM-UP: 1 hour to rated accuracies.
DIMENSIONS: 89mm high
×
213mm wide
×
370mm deep (3
1
⁄
2
in
×
8
3
⁄
8
in
×
14
9
⁄
16
in).
Bench Configuration (with handle & feet):104mm high
×
238mm wide
×
370mm
deep (4
1
⁄
8
in
×
9
3
⁄
8
in
×
14
9
⁄
16
in).
WEIGHT: 3.21kg (7.08 lbs) (Model 2425, 2430, 2440: 4.1kg, 9.0 lbs).
ENVIRONMENT:
Operating: 0°–50°C, 70%R.H. up to 35°C. Derate 3% R.H./°C, 35°–50°C.
Storage: –25°C to 65°C.
ACCESSORIES SUPPLIED: Model 1754 Universal Test Lead Kit, User’s Manual,
Service Manual, LabVIEW and TestPoint Drivers.
Specifications subject to change without notice.
SourceMeter
®
is a registered trademark of Keithley Instruments, Inc.
All other trademarks are the property of their respective companies.
GENERAL
Rev. A
5/17/01
2400, 2400-C, 2410, 2410-C,
2420, 2420-C, 2425, 2425-C,
2430, 2430-C, 2440, 2440-C
MEASUREMENT
1
MAXIMUM RANGE CHANGE RATE: 75/second.
MAXIMUM MEASURE AUTORANGE TIME: 40ms (fixed source)
2
.
SWEEP OPERATION
3
READING RATES (rdg./second) for 60Hz (50Hz):
SOURCE-MEASURE
MEASURE
SOURCE-MEASURE
5
PASS/FAIL TEST
4, 5
SOURCE-MEMORY
4
SPEED
NPLC/TRIGGER ORIGIN
TO MEM.
TO GPIB
TO MEM.
TO GPIB
TO MEM.
TO GPIB
TO MEM.
TO GPIB
Fast
0.01 / internal
2081 (2030)
1754
1551 (1515)
1369
902 (900)
981
165 (162)
165
IEEE-488.1 Mode 0.01 / external
1239 (1200)
1254
1018 (990)
1035
830 (830)
886
163 (160)
163
Fast
0.01 / internal
2081 (2030)
1198 (1210)
1551 (1515)
1000 (900)
902 (900)
809 (840)
165 (162)
164 (162)
IEEE-488.2 Mode 0.01 / external
1239 (1200)
1079 (1050)
1018 (990)
916 (835)
830 (830)
756 (780)
163 (160)
162 (160)
Medium
0.10 / internal
510 (433)
509 (433)
470 (405)
470 (410)
389 (343)
388 (343)
133 (126)
132 (126)
IEEE-488.2 Mode 0.10 / external
438 (380)
438 (380)
409 (360)
409 (365)
374 (333)
374 (333)
131 (125)
131 (125)
Normal
1.00 / internal
59
(49)
59
(49)
58
(48)
58 (48)
56 (47)
56 (47)
44 (38)
44 (38)
IEEE-488.2 Mode 1.00 / external
57
(48)
57
(48)
57
(48)
57 (47)
56 (47)
56 (47)
44 (38)
44 (38)
SINGLE READING OPERATION READING RATES (rdg./second) for 60Hz (50Hz):
MEASURE
SOURCE-MEASURE
5
SOURCE-MEASURE PASS/FAIL TEST
4,5
SPEED
NPLC/TRIGGER ORIGIN
TO GPIB
TO GPIB
TO GPIB
Fast (488.1)
0.01 / internal
537
140
135
Fast (488.2)
0.01 / internal
256 (256)
79 (83)
79 (83)
Medium(488.2)
0.10 / internal
167 (166)
72 (70)
69 (70)
Normal (488.2)
1.00 / internal
49 (42)
34 (31)
35 (30)
COMPONENT INTERFACE HANDLER TIME for 60Hz (50Hz):
4, 6
MEASURE
SOURCE
SOURCE-MEASURE PASS/FAIL TEST
5, 7
SPEED
NPLC/TRIGGER ORIGIN
TO GPIB
PASS/FAIL TEST
TO GPIB
Fast
0.01 / external
1.04 ms
(1.08 ms)
0.5 ms (0.5 ms)
4.82 ms
(5.3 ms)
Medium
0.10 / external
2.55 ms
(2.9 ms)
0.5 ms (0.5 ms)
6.27 ms
(7.1 ms)
Normal
1.00 / external
17.53 ms
(20.9 ms)
0.5 ms (0.5 ms)
21.31 ms (25.0 ms)
Summary of Contents for SourceMeter 3A 2420
Page 2: ...Model 24203A SourceMeter Service Manual A G R E A T E R M E A S U R E O F C O N F I D E N C E...
Page 15: ...1 Performance Verification...
Page 31: ...2 Calibration...
Page 53: ...3 Routine Maintenance...
Page 56: ...3 4 Routine Maintenance...
Page 57: ...4 Troubleshooting...
Page 70: ...4 14 Troubleshooting...
Page 71: ...5 Disassembly...
Page 78: ...5 8 Disassembly...
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Page 84: ...6 Replaceable Parts...
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Page 107: ...A Specifications...
Page 112: ...A 6 Specifications...
Page 113: ...B Command Reference...
Page 124: ...B 12 Command Reference...
Page 125: ...C Calibration Programs...
