User manual

Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
1-888-KEITHLEY
www.keithley.com
Specifications are subject to change without notice.
Page 8 of 14 SPEC-2002 Rev. H / February 2009
Model 2002
Multimeter Specifications
4-WIRE RESISTANCE READING RATES
12, Error! Bookmark not defined.
Readings or Readings with Time Stamp/Second to Memory or IEEE-488
18
PLC
Measurement
Aperture Bits
Default
Digits
Autozero Off
Offset Comp. Off
Autozero Off
Offset Comp. On
Autozero On
Offset Comp. Off
Autozero On
Offset Comp. On
10 167 ms (200 ms) 29 8½ 6 ( 5 ) 3 (2.5) 2 (1.6) 1 (0.8)
2 33.4 ms (40 ms) 27 7½ 27 (22) 13 (10.7) 9 (7.4) 4 (3.5)
1 16.7 ms (20 ms) 26 7½ 50 (41) 25 (20) 42 (34) 20 (16)
0.2
37
3.34 ms (4 ms) 23 6½ 154 (137) 76 (68) 115 (102) 54 (48)
0.1
37
1.67 ms (2 ms) 22 6½ 184 (176) 92 (88) 123 (118) 63 (60)
0.02
37
334 µs (400 µs) 20 5½ 186 (186) 107 (107) 126 (126) 72 (72)
0.01
37
167 µs (167 µs) 19 4½ 211 (211) 107 (107) 133 (133) 72 (72)
DC AMPS
DCI INPUT CHARACTERISTICS AND ACCURACY
Relative Accuracy
39
Temperature Coefficient
39
±(ppm of reading + ppm of range) ±(ppm of reading + ppm of range)/°C
Range Full Scale Resolution
Maximum
Burden
Voltage
38
24 Hours
40
90 Days
41
1 Year
41
2 Years
41
Outside TCAL ±5°C
200 µA 210.00000 10 pA 0.25 V 50 + 6 275 + 25 350 + 25 500 + 25 50 + 5
2 mA 2.1000000 100 pA 0.3 V 50 + 5 275 + 20 350 + 20 500 + 20 50 + 5
20 mA 21.000000 1 nA 0.35 V 50 + 5 275 + 20 350 + 20 500 + 20 50 + 5
200 mA 210.00000 10 nA 0.35 V 75 + 5 300 + 20 375 + 20 525 + 20 50 + 5
2 A 2.1000000 100 nA 1.1 V 350 + 5 600 + 20 750 + 20 1000 + 20 50 + 5
DC Current Uncertainty: = ± [ (ppm reading) x (measured value) + (ppm of range) x (range used) ] / 1,000,000.
% Accuracy: = (ppm accuracy) / 10,000.
5ppm of Range: = 10 counts at 6½ digits.
DCI READING RATES
12, 17
Readings/Second to Memory Readings/Second to IEEE-488
18
Readings/Second with
Time Stamp to IEEE-488
18
PLC
Measurement
Aperture Bits
Default
Digits
Autozero Off Autozero On Autozero Off Autozero On Autozero Off Autozero On
10 167 ms (200 ms) 29 7½ 6 ( 5 ) 2 (1.7) 6 ( 5 ) 2 (1.6) 6 ( 5 ) 2 (1.6)
2 33.4 ms (40 ms) 27 7½ 29 (25) 9 (7.6) 29 (24) 9 (7.4) 27 (22) 9 (7.4)
1 16.7 ms (20 ms) 26 6½ 56 (48) 47 (40) 55 (45) 46 (38) 50 (41) 42 (34)
0.2 3.34 ms (4 ms) 23 6½ 222 (197) 157 (140) 209 (186) 150 (133) 156 (139) 113 (100)
0.1 1.67 ms (2 ms) 22 5½ 334 (321) 178 (171) 310 (298) 168 (161) 186 (178) 124 (119)
0.02 334 µs (400 µs) 20 5½ 334 (334) 184 (184) 310 (310) 174 (174) 187 (187) 127 (127)
0.01 167 µs (167 µs) 19 4½ 387 (387) 186 (186) 355 (355) 176 (176) 202 (202) 128 (128)
0.01
13
167 µs (167 µs) 19 4½ 2000 (2000) 2000 (2000)
SPEED AND ACCURACY 90 Days
ACCURACY
39, 11
±(ppm of reading+ppm of range+ppm of range rms noise
12
)
Range
1PLC DFILT On,
10 Readings
1PLC
DFILT Off
0.1PLC
DFILT Off
0.01PLC
13
DFILT Off
200µA 275+25+0 275+25+0.5 300+25+50 300+200+80
2 mA 275+20+0 275+20+0.5 300+20+50 300+200+80
20 mA 275+20+0 275+20+0.5 300+20+50 300+200+80
200 mA 300+20+0 300+20+0.5 325+20+50 325+200+80
2 A 600+20+0 600+20+0.5 625+20+50 625+200+80
PLC = Power Line Cycles. DFILT = Digital Filter.
KEITHLEY FACTORY CALIBRATION UNCERTAINTY
Range ppm of reading
200 µA 43
2 mA 40
20 mA 55
200 mA 162
2 A 129
38
Actual maximum burden voltage = (maximum burden voltage) × (I MEASURED/I FULL SCALE).
39
Specifications are for 1 power line cycle, autozero on, 10-reading repeat digital filter.
40
For T
CAL
± 1°C, following 55-minute warm-up. T
CAL
is ambient temperature at calibration (23°C at the factory).
41
For T
CAL
± 5°C, following 55-minute warm-up.