Philips PM2521 Operating Manual page 18

17
2.1.4. Alternating current measurements
Ranges A A
2 20 200
mA
2 20 200
A
2 20
Maximum jnput current in range 20 A
Resoluffon
Number of representation units
Accu racy
(valid between 3 % and 100 % of range)
Temperature coefficient
Voltage drop over shunt
AC detector
Crest factor
Response time
Protection
Maximum Common Mode voltage
Maximum input voltage
4
10 A
1 nA in range 2 /tA
Measured value less than 0,5 % of range is displayed as zero
2100
40 Hz - 200 Hz ± (0,4% of reading +0,15% of range)
± (0,03 % of reading /°C + 0,01 of range /°C)
Range Voltage drop
Frequency
2 ju A
20 ju A
200 a A
2 mA
<2,5 mV
50 Hz
20 mA
200 mA
<25 mV
2 A
20 A
<250 mV
RMS convertor, ac coupled
2 at range end
1 s without ranging
3 s including ranging
Range , 2 a A - 20 mA; 250 V rms
Range 200 mA - 20 A are not protected
Imax . = 20A for 20 seconds
400 V rms, 560 V peak
In all ranges:
Between Hi and Lo 250 V rms
Between Hi and earth 400 V rms
Between Lo and earth 400 V rms