Measurement; Input Voltage - Fluke 1745 User Manual

1745
Users Manual
Memory model
Interface
Dimensions
Weight

Measurement

A/D converter
Sampling frequency
Anti-aliasing filter
Frequency response
Interval length
Averaging time for
min/max values
Time base

Input Voltage

Input range V P-N:
I
Input range V P-P
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Max. overload voltage
Input range selection
Connections
Nominal voltage V
Input resistance
Intrinsic uncertainty
Voltage transformer
Ratio selection
46
Linear or circular, user-selectable
RS-232, 9600 to 115.000 Baud, automatic selection,
3-wire communication.
170 mm x 125 mm x 55 mm
Approx. 0.9 kg
16 bit
10.24 kHz
FIR-Filter, fC = 4.9 kHz
Uncertainty < 1 % of Vm for 40 Hz to 2500 Hz
1, 3, 5, 10, or 30 seconds,
1, 5, 10, 15, or 60 minutes
½ , 1 line power period, 200 ms
1, 3, 5 s
Resolution: 10 ms (at 50 Hz) deviation: 2 s/day at
23°C.
69, 115, 230, or 480 V AC
120, 200, 400, or 830 V AC
1.2 V
I
Automatically set by user-entered nominal voltage
value.
P-P or P-N, 1- or 3-phase
≤ 999 kV (using PTs and ratios)
N
Approx. 820 ke per channel. Lx-N Single phase
(L1 or A, L2 or B, L3 or C connected): app. 300 ke
0.1 % of V
Ratio : < 999 kV / V
Optional: user-selectable
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