Dewetron PUREC, Technical Reference Manual

Page: 28 / 58

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MAIN SYSTEM
V
600
High voltage via
MSI2-V-600
MSI2-V-600
Sensor connection 4 mm safety banana sockets
Input attenuation 250 ±0.5 %
Input type Differential
Rated input voltage to earth according IEC/EN 61010-2-30 300 V CAT III / 600 V CAT II
Common mode voltage
±1000 V
Overvoltage protection 1500 V
PK
/ 1000 V
RMS
(1 min)
Input impedance 5 MΩ differential / 2.5 MΩ to earth
Gain drift typ. 25 ppm/K (max. 40 ppm/K)
Input Offset drift 200 µV/K
Bandwidth (-3dB) 60 kHz
TEDS For adapter identification and calibration data
Voltage ranges ±1000 V; ±500 V; ±200 V; ±100 V
Accuracy DC to 1 kHz ±0.1 % of reading ±100 mV
>1 kHz to 5 kHz ±0.5 % of reading ±100 mV
>5 kHz to 10 kHz ±1 % of reading ±100 mV
Signal-to-noise ratio; spurious-free SNR;
Effective number of Bits; Noise mV
PP
SNR SFDR ENOB Noise
PP
Sample rate [dB] [dB] [Bit] [mV
PP
]
5 kS/s 102 130 16.7 37.4
10 kS/s 99 127 16.2 51.2
20 kS/s 96 122 15.7 77
50 kS/s 92 119 15.0 126
100 kS/s 89 117 14.6 177
200 kS/s 87 113 14.1 265
Typcial CMRR 74 dB @ 100 Hz
50 dB @ 10 kHz
MSI2-V-600 PU[REC]
Mode
IN+
EXC+
SHIELD
IN-
HOT
EXC-
+5 V EXC
-5 V EXC
100 pF
100 pF
2.5 MΩ
2.5 MΩ
10 kΩ
10 kΩ
Sense+
Sense-
Simplified schematic
V
IN
Voltage
1000 V Range
AC/DC
voltage
CAUTION: Voltage measurement up to 600 V
RMS
only with safety banana plug cords!