YOKOGAWA wt3000 User Manual

xi
IM 760301-01
1
1
2
3
4
5
6
7
8
9
10
10
11
11
12
12
App
App
Index
Index
Contents
Chapter 4 Measurement Conditions
4.1 Selecting the Wiring System ............................................................................................ 4-1
4.2 Selecting Independent Setting of Input Elements ............................................................ 4-4
4.3 Setting the Measurement Range for Direct Input ............................................................. 4-6
4.4 Setting the Measurement Range When Using the External Current Sensor ................. 4-12
4.5 Setting the Scaling Function When Using VT/CT .......................................................... 4-15
4.6 Selecting the Crest Factor ............................................................................................. 4-18
4.7 Setting the Measurement Period ................................................................................... 4-19
4.8 Selecting the Input Filter ................................................................................................ 4-22
4.9 Selecting the Averaging Function .................................................................................. 4-24
4.10 Selecting the Data Update Rate .................................................................................... 4-27
4.11 Hold and Single Measurement....................................................................................... 4-29
Chapter 5 Power Measurement
5.1 Displaying Numeric Data and Changing the Displayed Items ......................................... 5-1
5.2 Selecting the Voltage/Current Mode (RMS, MEAN, DC, or RMEAN) .............................. 5-9
5.3 Selecting the Frequency Measurement Source ............................................................. 5-10
5.4 Setting the User-Defined Function ................................................................................. 5-12
5.5 Setting MAX hold ........................................................................................................... 5-17
5.6 Measuring the Average Active Power ............................................................................ 5-19
5.7 Setting the Equation for Efficiency ................................................................................. 5-20
5.8 Setting the Wiring, Efficiency, and Two-Wattmeter Method Compensations ................. 5-22
5.9 Setting the Equations for Apparent Power, Reactive Power, and Corrected Power ...... 5-25
5.10 Selecting the Display Format of the Phase Difference .................................................. 5-28
5.11 Integration ...................................................................................................................... 5-30
5.12 Setting the Manual Integration ....................................................................................... 5-35
5.13 Setting the Normal Integration and Repetitive Integration ............................................. 5-38
5.14 Setting the Real-Time Integration and Real-Time Repetitive Integration....................... 5-41
5.15 Turning ON/OFF the Integration Auto Calibration.......................................................... 5-45
Chapter 6 Waveform Display
6.1 Waveform Display ............................................................................................................ 6-1
6.2 Selecting the Waveform to Be Displayed ......................................................................... 6-3
6.3 Setting the Time Axis ....................................................................................................... 6-5
6.4 Setting the Trigger ........................................................................................................... 6-7
6.5 Zooming Vertically and Moving the Vertical Position ..................................................... 6-12
6.6 Waveform Display on Divided Windows ........................................................................ 6-15
6.7 Selecting the Display Interpolation and Graticule .......................................................... 6-18
6.8 Turning ON/OFF the Scale Value and Waveform Label ................................................ 6-21
6.9 Cursor Measurement ..................................................................................................... 6-23
Chapter 7 Trend Display
7.1 Trend Display ................................................................................................................... 7-1
7.2 Selecting the Trend Data to Be Displayed ....................................................................... 7-3
7.3 Selecting the Trend Display Target .................................................................................. 7-5
7.4 Setting the Time Axis ....................................................................................................... 7-8
7.5 Setting the Scale ............................................................................................................ 7-10
7.6 Displaying Trends on Divided Windows ......................................................................... 7-12
7.7 Selecting the Display Interpolation and Graticule and Turning ON/OFF the Scale
Value and Waveform Label............................................................................................ 7-14
7.8 Restarting the Trend ...................................................................................................... 7-16
7.9 Cursor Measurement ..................................................................................................... 7-17

YOKOGAWA wt3000 Specifications

General

Frequency Range	DC, 0.1 Hz to 1 MHz
Number of Input Elements	Up to 4 elements
Harmonic Measurement	Up to 500th order
Interfaces	USB, Ethernet, RS-232
Sampling Rate	2 MS/s
Voltage Range	1.5 V to 1000 V
Display	8.4-inch LCD