Technical Data; Technictfldata; Measuring Performance; Direct Voltage Measurements - Philips PM2521 Gebrauchsanleitung

14
2. TECHNICAL DATA
This apparatus has been designed and tested in accordance with IEC publication 348, Safety Requirements
for Electronic Measuring Apparatus, and has been supplied in a safe condition. The present instruction manual
contains some information and warnings which have to be followed by the user to ensure safe operation and
to retain the apparatus in a safe condition.
All values mentioned in this description are nominal; those given with tolerances are binding and guaranteed by
the manufacturer.
Manufacturer
Type number
Designation
Measuring quantities
NV Philips MIG S& I
PM 2521
Digital multimeter
V —, V ~, A —, A~, U -N-, s, Hz, °C, V peak
2.1. MEASURING PERFORMANCE
2.1.1. Di rect voltage measu rements
Ranges
Maximum input voltage in range 2000 V
Resolution
Number of representation units
Accuracy
Temperature coefficient
Input impedance
Offset current at input
Series Mode Rejection Ratio (SMRR)
Maximum Series Mode signal
Common Mode Rejection Ratio
(CMRR)
Maximum Common Mode voltage
Response time
Zero setting
Zero point drift
mV
200
V 2 -20-200 2000 V
1000 V
10 pV in range 200 mV
21000
± (0,03 % of reading + 0,01 % of range)
± 0,01 % of reading /°C
Range Input impedance
200 mV
2 V
20 MJ2//60 pF
20 V 11 MJ7//85 pF
200 V
2000 V
10 MJ2//95 pF
<20 pA
86 d.B for ac signals at 50 Hz ± 1 %
60 dB for ac signals at 60 Hz ±^j %
2x range end value with exception of range 2000 V
(1000 V)
100 dB for dc signals
100 dB for ac signals of 50 Hz or 60 Hz ± 1 %
400 V, 560 V peak
0,7 s without ranging
1,5 s including ranging
Automatic zero setting of the ADC
Manual with zero potentiometer at the front of the
PM 2521
5 /iV/°C between 0 °C and 35 °C
20 pV/°C between 35 °C and 45 °C
With pushbutton ZERO SET at the front of the PM 2521 Relative reference setting