Newtons4th PSM1700 - 13.1 Power meter specification

PSM1700 PsimetriQ user manual
13-4
13.1 Power meter specification
Power meter
current input
external shunt
display
5 digits
measurement
W, VA, PF, fundamental, rms, phase
coupling
ac or ac+dc
frequency
dc to > 1MHz
20mHz to 500kHz (fundamentals)
ac coupling cut off
~1.5Hz (–3dB)
max input
100V peak 50V rms
input ranges
100V, 30V, 10V, 3V, 1V, 300mV,
100mV, 30mV, 10mV
ranging
full auto, up only, or manual
input impedance
1M // 30pF (exc. leads)
accuracy (ac)
0.15% range + 0.15% reading < 1kHz
1.5% range + 1.5% reading < 50kHz
2% range + 8% reading < 1MHz
accuracy (dc)
0.2% range + 0.3% reading
CMRR (typical)
60dB @ 50V 50Hz
50dB @ 50V 1kHz
40dB @ 10V 1MHz
time constant
0.2s, 1.5s or 12s
Conditions:
23ºC +/- 5ºC ambient temperature
instrument allowed to warm up for 30 minutes
sinewave, power factor > 0.7
slow speed, normal filtering
ac+dc coupling
autoranging or manual ranging  1/3 range
0.1% current shunt selected to give 100mV rms