Keithley SourceMeter 3A 2420 Service Manual page 110

SourceMeter
SYSTEM SPEEDS
MEASUREMENT 1
MAXIMUM RANGE CHANGE RATE: 75/second.
MAXIMUM MEASURE AUTORANGE TIME: 40ms (fixed source)
SWEEP OPERATION 3 READING RATES (rdg./second) for 60Hz (50Hz):
SPEED NPLC/TRIGGER ORIGIN
Fast 0.01 / internal
IEEE-488.1 Mode 0.01 / external
Fast 0.01 / internal
IEEE-488.2 Mode 0.01 / external
Medium 0.10 / internal
IEEE-488.2 Mode 0.10 / external
Normal 1.00 / internal
IEEE-488.2 Mode 1.00 / external
SINGLE READING OPERATION READING RATES (rdg./second) for 60Hz (50Hz):
SPEED NPLC/TRIGGER ORIGIN
Fast (488.1) 0.01 / internal
Fast (488.2) 0.01 / internal
Medium(488.2) 0.10 / internal
Normal (488.2) 1.00 / internal
COMPONENT INTERFACE HANDLER TIME for 60Hz (50Hz):
SPEED NPLC/TRIGGER ORIGIN
Fast 0.01 / external
Medium 0.10 / external
Normal 1.00 / external
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.
NOISE REJECTION:
NPLC
Fast 0.01
Medium 0.1
Slow 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).
9
COMMON MODE ISOLATION: >10
OVERRANGE: 105% of range, source and measure.
MAX.VOLTAGE DROP BETWEEN INPUT/OUTPUT AND SENSE TERMINALS: 5V.
MAX. SENSE LEAD RESISTANCE: 1MΩ for rated accuracy.
Ω.
10
SENSE INPUT IMPEDANCE: >10
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).
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.
Line Specifications
®
2 .
MEASURE
TO MEM. TO GPIB
2081 (2030) 1754
1239 (1200) 1254
2081 (2030) 1198 (1210)
1239 (1200) 1079 (1050)
510 (433) 509 (433)
438 (380) 438 (380)
59 (49) 59 (49)
57 (48) 57 (48)
MEASURE
TO GPIB
537
256 (256)
167 (166)
49 (42)
MEASURE
TO GPIB
1.04 ms (1.08 ms)
2.55 ms (2.9 ms)
17.53 ms (20.9 ms)
NMRR CMRR
— 80 dB
— 80 dB
60 dB 100 dB
Ω, <1000pF.
SOURCE-MEASURE 5
TO MEM. TO GPIB
1551 (1515) 1369
1018 (990) 1035
1551 (1515) 1000 (900)
1018 (990) 916 (835)
470 (405) 470 (410)
409 (360) 409 (365)
58 (48) 58 (48)
57 (48) 57 (47)
SOURCE-MEASURE
TO GPIB
140
79 (83)
72 (70)
34 (31)
4, 6
SOURCE
PASS/FAIL TEST
0.5 ms (0.5 ms)
0.5 ms (0.5 ms)
0.5 ms (0.5 ms)
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.
GENERAL
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.
1
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
Bench Configuration (with handle & feet):104mm high × 238mm wide × 370mm
in × 9 in × 14
deep (4 1 ⁄ 3 ⁄
8 8
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.
2400, 2400-C, 2410, 2410-C,
2420, 2420-C, 2425, 2425-C,
2430, 2430-C, 2440, 2440-C
SOURCE-MEASURE
PASS/FAIL TEST 4, 5 SOURCE-MEMORY
TO MEM. TO GPIB TO MEM.
902 (900) 981 165 (162)
830 (830) 886 163 (160)
902 (900) 809 (840) 165 (162)
830 (830) 756 (780) 163 (160)
389 (343) 388 (343) 133 (126)
374 (333) 374 (333) 131 (125)
56 (47) 56 (47) 44 (38)
56 (47) 56 (47) 44 (38)
5 SOURCE-MEASURE PASS/FAIL TEST
TO GPIB
135
79 (83)
69 (70)
35 (30)
SOURCE-MEASURE PASS/FAIL TEST
TO GPIB
4.82 ms (5.3 ms)
6.27 ms (7.1 ms)
21.31 ms (25.0 ms)
in × 8
1 ⁄
2
9 ⁄ in).
1 6
4
TO GPIB
165
163
164 (162)
162 (160)
132 (126)
131 (125)
44 (38)
44 (38)
4,5
5, 7
in × 14
3 ⁄ 9 ⁄ in).
8 1 6
Rev. A
5/17/01