Specifications

Specifications
2420 and 2420-C SourceMeter® Specifications
ADDITIONAL SOURCE
SPECIFICATIONS
SOURCE SPECIFICATIONS
VOLTAGE PROGRAMMING ACCURACY (LOCAL OR REMOTE SENSE)
ACCURACY (1 Year)
RANGE
PROGRAMMING
RESOLUTION
(% rdg. + volts)
NOISE
(peak-peak)
0.1Hz – 10Hz
200.00 mV
2.00000 V
20.0000 V
60.0000 V
5 µV
50 µV
500 µV
1.5 mV
0.02% + 600 µV
0.02% + 600 µV
0.03% + 3.2 mV
0.03% + 8.0 mV
10 µV
50 µV
500 µV
1.5 mV
23°C 5°C
TEMPERATURE COEFFICIENT (0°-18°C & 28°-50°C): (0.15 × accuracy specification)/ °C.
MAX. OUTPUT POWER: 66W, four quadrant source or sink operation.
SOURCE/SINK LIMITS: 21V @ 3.15A, 63V @ 1.05A.
VOLTAGE REGULATION: Line: 0.01% of range. Load: 0.01% of range + 100µV.
NOISE 10Hz – 1MHz (p-p): 10mV typical into a resistive load.
OVERVOLTAGE PROTECTION: User selectable values, 5% tolerance. Factory default = none.
CURRENT LIMIT: Bipolar current limit (compliance) set with single value. Min. 0.1% of range.
OVERSHOOT: <0.1% typical (full scale step, resistive load, 10mA range).
CURRENT PROGRAMMING ACCURACY (LOCAL OR REMOTE SENSE)
ACCURACY (1 Year)2
RANGE
PROGRAMMING
RESOLUTION
(% rdg. + amps)
NOISE
(peak-peak)
0.1Hz – 10Hz
10.0000 µA
100.000 µA
1.00000 mA
10.0000 mA
100.000 mA
1.00000 A1
3.00000 A1
500 pA
5 nA
50 nA
500 nA
5 µA
50 µA
50 µA
0.033% + 2 nA
0.031% + 20 nA
0.034% + 200 nA
0.045% + 2 µA
0.066% + 20 µA
0.067% + 900 µA
0.059% + 2.7 mA
50 pA
500 pA
5 nA
50 nA
500 nA
50 µA
150 µA
23°C 5°C
TRANSIENT RESPONSE TIME: 30µs minimum for the
output to recover to its spec. following a step change in load.
COMMAND PROCESSING TIME: Maximum time
required for the output to begin to change following the
receipt of :SOURce:VOLTage|CURRent <nrf> command.
Autorange On: 10ms. Autorange Off: 7ms.
OUTPUT SETTLING TIME: Time required to reach 0.1%
of final value after command is processed. 100µs typical.
Resistive load. 10µA to 100mA range.
OUTPUT SLEW RATE (±30%):
0.14V/µs, 60V range, 100mA compliance.
0.08V/µs, 20V range, 100mA compliance.
DC FLOATING VOLTAGE: Output can be floated up to
±250VDC from chassis ground.
REMOTE SENSE: Up to 1V drop per load lead.
COMPLIANCE ACCURACY: Add 0.3% of range and
±0.02% of reading to base specification.
OVER TEMPERATURE PROTECTION: Internally
sensed temperature overload puts unit in standby mode.
RANGE CHANGE OVERSHOOT: Overshoot into a fully
resistive 100k load, 10Hz to 1MHz BW, adjacent range
changes between 200mV, 2V, and 20V ranges, 100mV
typical.
MINIMUM COMPLIANCE VALUE: 0.1% of range.
1. Full power source operation regardless of load to 30°C ambient.
Above 30°C and/or power sink operation, refer to the Power
Equations section of the User’s Manual.
2. For sink mode, 10µA to 100mA range, accuracy is:
±(0.5% + offset*3)
For 1A and 3A range, accuracy is:
±(1.5% + offset*3)
TEMPERATURE COEFFICIENT (0°-18°C & 28°-50°C): (0.15 × accuracy specification)/ °C.
MAX. OUTPUT POWER: 66W, four quadrant source or sink operation.1
SOURCE/SINK LIMITS: 3.15A @ 21V, 1.05A @ 63V.
CURRENT REGULATION: Line: 0.01% of range. Load: 0.01% of range + 100pA.
VOLTAGE LIMIT: Bipolar voltage limit (compliance) set with single value. Min. 0.1% of range.
OVERSHOOT: <0.1% typical (1mA step, RL = 10k , 20V range).
4 Sep 2007
SPEC-2420 Rev. D
Page 1 of 3
2420 and 2420-C SourceMeter® Specifications
CONTACT CHECK SPECIFICATIONS
MEASURE SPECIFICATIONS1,2
SPEED: 350µs for verification and notification.
VOLTAGE MEASUREMENT ACCURACY (LOCAL OR REMOTE SENSE)
ACCURACY (1 Year)
RANGE
DEFAULT
RESOLUTION
200.00 mV
1 µV
23°C 5°C
INPUT RESISTANCE
(% rdg. + volts)
>10 G
0.012% + 300 µV
2.00000 V
10 µV
>10 G
0.012% + 300 µV
20.0000 V
100 µV
>10 G
0.025% + 2 mV
60.0000 V
1 mV
>10 G
0.025% + 4 mV
CONTACT CHECK:
2
15
50
No contact check failure
<1.00
<13.5
<47.5
Always contact check failure
>3.00
>16.5
>52.5
TEMPERATURE COEFFICIENT (0°-18°C & 28°-50°C): (0.15 × accuracy specification)/ °C.
CURRENT MEASUREMENT ACCURACY (LOCAL OR REMOTE SENSE)
ACCURACY (1 Year)
23°C 5°C
RANGE
DEFAULT
RESOLUTION
VOLTAGE BURDEN
10.0000 µA
100.000 µA
1.00000 mA
10.0000 mA
100.000 mA
1.00000 A
3.00000 A
100 pA
1 nA
10 nA
100 nA
1 µA
10 µA
10 µA
<1 mV
<1 mV
<1 mV
<1 mV
<1 mV
<1 mV
<1 mV
3
(% rdg. + amps)
0.027% + 700 pA
0.025% + 6 nA
0.027% + 60 nA
0.035% + 600 nA
0.055% + 6 µA
0.066% + 570 µA
0.052% + 1.71 mA
TEMPERATURE COEFFICIENT (0°-18°C & 28°-50°C): (0.10 × accuracy specification)/ °C.
RESISTANCE MEASUREMENT ACCURACY (LOCAL OR REMOTE SENSE)
RANGE
<0.20000
4
DEFAULT RESOLUTION
-
DEFAULT TEST CURRENT
-
NORMAL ACCURACY (23°C 5°C)
1 YEAR, (% rdg. + ohms)
Source IACC + Meas. VACC
2.00000
10 µ
1A
0.17% + 0.0003
20.0000
100 µ
100 mA
0.10% + 0.003
200.000
1m
10 mA
0.08% + 0.03
2.00000 k
10 m
1 mA
0.07% + 0.3
20.0000 k
100 m
100 µA
0.06% + 3
200.000 k
1
10 µA
0.07% + 30
2.00000 M
10
10 µA
0.11% + 300
20.0000 M
100
-
1 µA
>20.0000 M
TEMPERATURE COEFFICIENT (0°-18°C & 28°-50°C): (0.15 × accuracy
specification)/ °C.
SOURCE I MODE, MANUAL OHMS: Total uncertainty = I source accuracy
+ V measure accuracy (4-wire remote sense).
SOURCE V MODE, MANUAL OHMS: Total uncertainty = V source
accuracy + I measure accuracy (4-wire remote sense).
6-WIRE OHMS MODE: Available using active ohms guard and guard sense
(except on 1A and 3A ranges). Max. Guard Output Current: 50mA. Accuracy
is load dependent. Refer to White Paper no. 2033 for calculation formula.
GUARD OUTPUT IMPEDANCE: <0.1
-
0.11% + 1 k
Source IACC + Meas. VACC
1. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications,
except 200mV, 1A, 3A ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset
specifications, except 200mV, 1A, 3A ranges, add 0.5%.
2. Accuracies apply to 2- or 4-wire mode when properly zeroed.
3. 4-wire mode.
4. Manual ohms only.
in ohms mode.
4 Sep 2007
SPEC-2420 Rev. D
Page 2 of 3
2420 and 2420-C SourceMeter® Specifications
SYSTEM SPEEDS
MEASUREMENT1
MAXIMUM RANGE CHANGE RATE: 65/second.
MAXIMUM MEASURE AUTORANGE TIME: 40ms (fixed source)2.
SWEEP OPERATION3 READING RATES (rdg./second) FOR 60Hz (50Hz):
SPEED
Fast
IEEE-488.1 Mode
Fast
IEEE-488.2 Mode
Medium
IEEE-488.2 Mode
Normal
IEEE-488.2 Mode
NPLC/TRIGGER
ORIGIN
0.01 / internal
0.01 / external
0.01 / internal
0.01 / external
0.10 / internal
0.10 / external
1.00 / internal
1.00 / external
SOURCE-MEASURE5
TO MEM
TO GPIB
MEASURE
TO MEM.
TO GPIB
2081 (2030)
1239 (1200)
2801 (2030)
1239 (1200)
510 (433)
438 (380)
59 (49)
57 (48)
1754
1254
1198 (1210)
1079 (1050)
509 (433)
438 (380)
59 (49)
57 (48)
1551 (1515)
1018 (990)
1551 (1515)
1018 (990)
470 (405)
409 (360)
58 (48)
57 (48)
1369
1035
1000 (900)
916 (835)
470 (410)
409 (365)
58 (48)
57 (47)
SOURCE-MEASURE
PASS/FAIL TEST4,5
TO MEM.
TO GPIB
902 (900)
830 (830)
902 (900)
830 (830)
389 (343)
374 (333)
56 (47)
56 (47)
SOURCE-MEMORY4,5
TO MEM.
TO GPIB
981
886
809 (840)
756 (780)
388 (343)
374 (333)
56 (47)
56 (47)
165 (162)
163 (160)
165 (162)
163 (160)
133 (126)
131 (125)
44 (38)
44 (38)
165
163
164 (162)
162 (160)
132 (126)
131 (125)
44 (38)
44 (38)
SINGLE READING OPERATION READINGRATES (rdg./second) FOR 60Hz (50Hz):
SPEED
Fast (488.1)
Fast (488.2)
Medium (488.2)
Normal (488.2)
NPLC/TRIGGER ORIGIN
MEASURE TO GPIB
SOURCE-MEASURE TO GPIB5
SOURCE-MEASURE PASS/FAIL TEST4,5
TO GPIB
0.01 / internal
0.01 / internal
0.10 / internal
1.00 / internal
537
256 (256)
167 (166)
49 (42)
140
79 (83)
72 (70)
34 (31)
135
79 (83)
69 (70)
35 (30)
COMPONENT INTERFACE HANDLER TIME FOR 60Hz (50Hz):4,6
SPEED
Fast
Medium
Normal
NPLC/TRIGGER ORIGIN
MEASURE TO GPIB
SOURCE PASS/FAIL TEST
SOURCE-MEASURE PASS/FAIL TEST5,7
TO GPIB
0.01/ external
0.10 / external
1.00 / external
1.04 ms (1.08 ms)
2.55 ms (2.9 ms)
17.53 ms (20.9 ms)
0.5 ms (0.5 ms)
0.5 ms (0.5 ms)
0.5 ms (0.5 ms)
4.82 ms (5.3 ms)
6.27 ms (7.1 ms)
21.31 ms (25.0 ms)
1. Reading rates applicable for voltage or current measurements. Auto zero off, autorange
off, filter off, display off, trigger delay = 0, binary reading format, and source auto-clear
off.
2. Purely resistive load. 10µA range <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.
GENERAL
NOISE REJECTION:
Fast
Medium
Slow
NPLC
NMRR
CMRR
0.01
0.1
1
60 dB
80 dB
80 dB
100 dB1
1. Except lowest 2 current ranges – 90dB.
LOAD IMPEDANCE: Stable into 20,000pF typical.
COMMON MODE VOLTAGE: 250V DC.
COMMON MODE ISOLATION: >109 , <1000pF.
OVERRANGE: 105% of range, source and measure.
MAX. VOLTAGE DROP BETWEEN INPUT/OUTPUT AND SENSE
TERMINALS: 5V.
MAX. SENSE LEAD RESISTANCE: 1M
for rated accuracy.
SENSE INPUT IMPEDANCE: >1010 .
GUARD OFFSET VOLTAGE: <300µV, typical.
SOURCE OUTPUT MODES:
Fixed DC level
Memory List (mixed function)
Stair (linear and log)
SOURCE MEMORY LIST: 100 points max.
MEMORY BUFFER: 5,000 readings @ 5.5 digits (two 2,500 point buffers).
Includes selected measured value(s) and time stamp. Lithium battery
backup (3 yr+ battery life).
PROGRAMMABILITY: IEEE-488 (SCPI-1996.0), RS-232, 5 userdefinable power-up states plus factory default and *RST.
DIGITAL INTERFACE:
Output Enable: Active low input.
Handler Interface: Start of test, end of test, 3 category bits. [email protected]
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). 220VA.
COOLING: 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.
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: 4.1kg (9.0 lbs).
ENVIRONMENT:
For Indoor Use Only: Maximum 2000m above Sea Level
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: Test Leads, 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.
4 Sep 2007
SPEC-2420 Rev. D
Page 3 of 3
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