8 Equipment
79
Technical specification
Accuracy:
Current range
0,5…100 A
100…800 A
800…1000 A (AC)
800…1400 A (DC)
Basic uncertainty
1)
1.5% + 1 A
2.5%
4%
1)
as % of measured value
Phase error (45...65 Hz):
Current
range
10…200 A
200…1000 A
Phase error
2.5
2
ratio:
1 mV/1 A
frequency range:
DC...5 kHz
output impedance:
100
Ω
DC zero adjustment range:
±10 A
noise:
DC up to 1 kHz:
1mVp-p (or 1 Ap-p)
DC up to 5 kHz:
1.5mVp-p (or 1.5 Ap-p)
1 Hz up to 5 kHz:
0.5mVp-p (or 0.5 Ap-p)
Additional errors:
caused by current frequency:
65..440 Hz:
-2%
440..1000 Hz: -5%
1..5 kHz:
-4 dB
caused by battery voltage:
≤1 A/V
caused by temperature:
300 ppm/
C or 0.3%/10
C
caused by relative humidity in the10…85% range:
≤0.5%
caused by position of
20 mm conductor:
DC up to 440 Hz:
0,5%
DC up to 1 kHz: <1%
DC up to 2 kHz: <3%
DC up to 5 kHz: <10%
caused by a parallel conductor with the 50…60 Hz AC, at 23 mm from the probe:
<10 mA/A
caused by the 400 A/m (50 Hz) external magnetic field on the centered conductor
<1.3 A
common mode rejection ratio
65
dB A/V (50…400 Hz)
Other data
insulation type:
double, according to IEC 61010-1
measuring category acc. to IEC 61010-1:
III 600 V,
protection rating acc. to IEC 60529:
IP 30
power supply:
9 V battery (6LR61, 6LF22, NEDA 1604)
operating time with alkaline battery:
about 120 h
dimensions:
237 × 97 × 44 mm
weight:
about 520 g
Summary of Contents for PQM-700
Page 85: ...85 Notes...
