Table of Contents
Advertisement
2790 SourceMeter
MAINFRAME FUNCTION SPECIFICATION
AC MEASUREMENT SPECIFICATIONS
Function
Range
Resolution
2
100.0000 mV
Voltage
1.000000
V
10.00000
V
100.0000
V
100 µV
750.000
V
2
Current
1.000000
A
14
3.00000
A
4
Frequency
100 mV 0.333 ppm
and Period
to
3.33 ppm
750
V
33.3 ppm
Additional Uncertainty ±(% of reading)
Low Frequency Uncertainty
20Hz -
30Hz
30Hz -
50Hz
50Hz - 100Hz
100Hz - 200Hz
200Hz - 300Hz
> 300Hz
5
CREST FACTOR
:
Additional Uncertainty:
AC MEASUREMENT CHARACTERISTICS
AC Volts
MEASUREMENT METHOD: AC-coupled, True RMS.
INPUT IMPEDANCE: 1MΩ ±2% // by <100pF.
INPUT PROTECTION: 1000Vp or 400VDC
module.
AC Current
MEASUREMENT METHOD: AC-coupled, True RMS.
SHUNT RESISTANCE: 0.1Ω.
BURDEN VOLTAGE: 1A <0.3Vrms, 3A <1Vrms. Add 1Vrms when
used with 7702 modules.
INPUT PROTECTION: 3A, 250V fuse.
Switch System Specifications
All Ranges
Calibration Cycle
0.1 µV
90 Days
1.0 µV
10 µV
1 Year
1.0 µV
3
(Temp. Coeff.)/°C
1.0 µA
90 Day/1 Year
10 µA
3
(Temp. Coeff.)/°C
90 Day/1 Year
MED
FAST
0.3
—
0
—
0
1.0
0
0.18
0
0.10
0
0
1–2
2–3
3–4
0.05
0.15
0.30
, 300Vrms with 7702
1
Accuracy: ±(% of reading + % of range), 23°C ±5 °C
3 Hz-
10 Hz-
13
10 Hz
20 kHz
0.35 + 0.03
0.05 + 0.03
0.35 + 0.03
0.06 + 0.03
0.035 + 0.003
0.005 + 0.003 0.006 + 0.005
3 Hz-10 Hz
10 Hz-3 kHz 3 kHz – 5 kHz
0.30 + 0.04
0.10 + 0.04
0.35 + 0.06
0.15 + 0.06
0.035 + 0.006
0.015 + 0.006 0.015 + 0.006
(3 Hz-500 kHz) (333 ms-2 µs)
80 ppm + 0.333 ppm (SLOW, 1s gate)
80 ppm + 3.33 ppm (MED, 100ms gate)
80 ppm + 33.3 ppm (FAST, 10ms gate)
Frequency and Period
MEASUREMENT METHOD: Reciprocal Counting technique.
GATE TIME: SLOW 1s, MED 100ms, and FAST 10ms.
AC General
6
AC CMRR
: 70dB.
MAXIMUM CREST FACTOR: 5 at full-scale.
VOLT HERTZ PRODUCT: <= 8 × 10
AC OPERATING CHARACTERISTICS
60Hz (50Hz) Operation
Function
ACV, ACI
Frequency,
Period
All Ranges
20 kHz-
50 kHz-
50 kHz
100 kHz
0.11 + 0.05
0.6 + 0.08
0.12 + 0.05
0.6 + 0.08
0.01 + 0.006
0.14 + 0.04
0.18 + 0.06
7
.
Digits
Readings/s
Rate
8
6.5
2s/Reading
SLOW
8
6.5
1.4 (1.1)
MED
9
6.5
4.8 (4)
MED
9
6.5
35 (28)
FAST
6.5
1 (1)
SLOW
5.5
9 (9)
MED
4.5
35 (35)
FAST
10
4.5
65 (65)
FAST
100 kHz-
300 kHz
4.0 + 0.5
4.0 + 0.5
0.03 + 0.01
7
Bandwidth
3 Hz-300kHz
30 Hz-300kHz
30 Hz-300kHz
300 Hz-300kHz
3 Hz-300kHz
30 Hz-300kHz
300 Hz-300kHz
300 Hz-300kHz
HW 11/04/03
Rev. D
Advertisement
Table of Contents
