Specifications A-5
AC SPECIFICATIONS
1
Accuracy: ±(% of reading + % of range),23°C ± 5°C
Calibration 3 Hz– 10 Hz– 20 kHz– 50 kHz– 100 kHz–
Function Range Resolution Cycle 10 Hz 20 kHz 50 kHz 100 kHz 300 kHz
Voltage
2
100.0000 mV 0.1 µV 90 Days 0.35 + 0.03 0.05 + 0.03 0.11 + 0.05 0.6 + 0.08 4.0 + 0.5
1.000000 V 1.0 µV
10.00000 V 10 µV 1 Year 0.35 + 0.03 0.06 + 0.03 0.12 + 0.05 0.6 + 0.08 4.0 + 0.5
100.0000 V 100 µV
750.000 V 1.0 µV (Temp. Coeff.)/°C
3
0.035 + .003 0.005 + .003 0.006 + .005 0.01 + .006 0.03 + .01
3 Hz–10 Hz 10 Hz–5 kHz
Current
2
1.000000 A 1.0 µA 90 Day/1 Yr. 0.30 + 0.04 0.10 + 0.04
3.00000 A 10 µA 0.35 + 0.06 0.15 + 0.06
(Temp. Coeff.)/°C
3
0.035 + 0.006 0.015 + 0.006
(3 Hz–500 kHz) (333 ms–2 µs)
Frequency
4
100 mV 0.333 ppm 90 Day/ 1 Yr. 100 ppm + 0.333 ppm (SLOW, 1s gate)
and Period to 3.33 ppm 100 ppm + 3.33 ppm (MED, 100ms gate)
750 V 33.3 ppm 100 ppm + 33.3 ppm (FAST, 10ms gate)
Additional Uncertainty ±(% of reading)
Low Frequency Uncertainty MED FAST
20 Hz - 30 Hz 0.3 —
30 Hz - 50 Hz 0 —
50 Hz - 100 Hz 0 1.0
100 Hz - 200 Hz 0 0.18
200 Hz - 300 Hz 0 0.10
>300 Hz 0 0
CREST FACTOR:
5
1 -2 2 - 3 3 - 4 4 - 5
Additional Uncertainty:
0.05 0.15 0.30 0.40
AC MEASUREMENT CHARACTERISTICS
AC Volts
MEASUREMENT METHOD: AC-coupled, True RMS.
INPUT IMPEDANCE: 1MΩ ±2% // by <100pF.
INPUT PROTECTION: 1000Vp or 400VDC. 300Vrms with plug in modules.
AC Current
MEASUREMENT METHOD: AC-coupled, True RMS.
SHUNT RESISTANCE: 0.1Ω.
BURDEN VOLTAGE: 1A <0.3Vrms, 3A <1Vrms. Add 1Vrms when used with plug in modules.
INPUT PROTECTION: 3A, 250V fuse.
Frequency and Period
MEASUREMENT METHOD: Reciprocal Counting technique.
GATE TIME: SLOW 1s, MED 100ms, and FAST 10ms.
AC General
AC CMRR
6
: 70dB.
MAXIMUM CREST FACTOR: 5 at full-scale.
VOLT HERTZ PRODUCT: <= 8 × 10
7
.
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