5.3 Measurement specifications
150
D/A Output Specifications
(PW3336-02/-03 and PW3337-02/-03 when D/A output specified at time of order)
Number of output channels 16
Configuration 16-bit D/A converter (polarity + 15 bits)
Output parameters U1 to U3 (voltage level) or u1 to u3 (instantaneous voltage waveform) (switchable)
I1 to I3 (current level) or i1 to i3 (instantaneous current waveform) (switchable)
P1 to P3 (active power level) or p1 to p3 (instantaneous power waveform) (switchable)
Psum (active power level) or Hi-Psum (high-speed active power level) (switchable)
Psum and Hi-Psum output is not available (0 V) when using the 1P2W wiring mode.
P12 is output when using 1P3W, 3P3W, or 3P3W2M, or 3V3A and P123 is output
when using 3P3W3M, or 3P4W.
D/A1 to D/A3
Select any 3 from channel or sum value for voltage, current, active power, apparent
power, reactive power, power factor, phase angle, total harmonic voltage/current dis-
tortion, inter-channel voltage/current fundamental wave phase difference, voltage/
current crest factor, time average current/active power, voltage/current ripple rate,
frequency, efficiency, current integration, active power integration (harmonic output is
not available for individual orders).
Hi-P1 to Hi-P3 and Hi-Psum (high-speed active power level): Fixed to AC+DC
For level outputs other than Hi-P1, Hi-P2, Hi-P3, or Hi-Psum, select AC+DC, AC+DC
Umn, DC, AC, or FND.
Output accuracy f.s.: Relative to the output voltage rated value for each output parameter
Level output: (Output parameter measurement accuracy) + (±0.2% f.s.)
High-speed active power level output: (Output parameter measurement accuracy) +
(±0.2% f.s.)
Instantaneous waveform output: (Output parameter measurement accuracy) + (±1.0%
f.s.)
Instantaneous voltage, instantaneous current: RMS value level
Instantaneous power: Average value level
Output frequency band Instantaneous waveform output, high-speed active power level output
At DC or 10 Hz to 5 kHz, accuracy is as defined above.
Conditions of guaranteed
accuracy
Temperature and humidity for guaranteed accuracy: 23°C±5°C (73°F±9°F), 80%RH or less
Warm-up time: 30 minutes, after zero-adjustment
Output voltage Level output
Voltage, current, active power, apparent power, reactive power, time average current/
active power:±2 V DC for ±100% of range
Power factor:±2 V DC at ±0.0000, 0 V DC at ±1.0000
Phase angle, inter-channel voltage/current fundamental wave phase difference
: 0 V DC at 0.00°, ±2 V DC at ±180.00°
Voltage/current ripple rate, total harmonic voltage/current distortion: + 2 V DC at 100.00%
Voltage/current crest factor: +2 V DC at 10.000
Frequency: Varies with measured value.
+2 V DC per 100 Hz from 0.1000 Hz to 300.00 Hz
+2 V DC per 10 kHz from 300.01 Hz to 30.000 kHz
+2 V DC per 100 kHz from 30.001 kHz to 220.00 kHz
Efficiency: +2 V DC at 200.00%
Current integration, active power integration: ±5 V DC at (range) × (integration set time)
Waveform output: 1 V f.s. relative to 100% of range
Error output: Level output of ±7 V DC is generated when the output parameter display
is [o.r] or when the PEAK OVER U or PEAK OVER I indicator lights up.
Waveform output and high-speed active power level output is generated
up to approx. ±7 V DC. When that value is exceeded, the waveform is
clipped. Output of 0 V is generated for [- - - - -] (invalid data display).
Maximum output voltage Approx. ±12 V DC
Output update rate Level output: Fixed at 200 ms ±50 ms (approx. 5 times per sec.)
Update rate is unrelated to number of averaging iterations setting and display hold op-
eration.
Waveform output: Approx. 11.4 μs (approx. 87.5 kHz)
High-speed active power level output: Updated once every cycle for the input waveform
set as the synchronization source.
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