Dc Voltage Additional Errors; Ac Voltage; Ac Voltage Input Characteristics - Fluke 2638A User Manual

DC Voltage Additional Errors

AC Voltage

AC voltage specifications are for ac sine wave signals >5 % of range. For inputs from 1 % to 5 % of range and <50 kHz,
add an additional error of 0.1 % of range. For 50 kHz to 100 kHz, add 0.13 % of range.
Maximum Input ...................................................... 300 V rms or 425 V peak or 3 × 10
Measurement Method ........................................... AC-coupled true-rms. Measures the ac component of input with up to
AC Filter Bandwidth:
Slow .................................................................... 20 Hz
Fast ..................................................................... 200 Hz
Maximum Crest Factor ......................................... 5:1 at full scale
Additional Crest Factor Errors ............................ Crest factor 1-2, 0.05 % of full scale

AC Voltage Input Characteristics

Range
100 mV
1 V
10 V
100 V
300 V
info@Fluke-Direct.com
Digits NPLC
6 ½ 200
6 ½
100
6 ½
10 (Slow)
5 ½ 1 (Medium)
4 ½ 0.2 (Fast)
4 ½ 0.02
Resolution
4 ½
Digits
100.0000 mV 10 µV
1.000000 V 100 µV
10.00000 V 1 mV
100.0000 V 10 mV
300.000 V 100 mV
Fluke-Direct
Product Overview and Specifications
Ch. x01 – x20
add 2 µV
add 2 µV
add 2 µV
add 2 µV
-
-
less) for any range.
300 V dc bias on any range.
Crest factor 2-3, 0.2 % of full scale
Crest factor 3-4, 0.4 % of full scale
Crest factor 4-5, 0.5 % of full scale
Resolution
5 ½ 6 ½
Digits Digits
1 µV 0.1 µV
10 µV 1 µV
100 µV 10 µV
1 mV 100 µV
10 mV 1 mV
Measurement Specifications
Additional NPLC Noise
Error
-
-
-
add 0.0008 % of range
add 0.002 % of range + 12 µV
add 0.014 % of range + 17 µV
7
volts-Hertz product (whichever is
Input Impedance
1 MΩ ±2 % shunted by 150 pF
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