YOKOGAWA WT110 User Manual

IM 253401-01E
4-14
• Useful when setting a function other than VA (apparent power) for
display A and displaying VA on display C.
: Displays the result of display A × display B.
Computation example :
Display A Display B Display C Wiring method
V1rms A1rms V1rms×A1rms Any
• Absolute value of the impedance
: Displays the result of display A ÷ display B.
Computation example :
Display A Display B Display C Wiring method
V1rms A1rms |Z|=
V1rms
Any
A1rms
V 1
A 1
SOURCE
LOAD
• Voltage ratio across the wires and phase current ratio for a three-phase
wiring.
: Displays the result of display A ÷ display B.
Computation example :
Display A Display B Display C Wiring method
V1rms A3rms
V1rms
3Φ3W
A3rms
A1rms A3rms
A1rms
A3rms
V 1
SOURCE
LOAD
V 3
A 1
A 3
• Impedance, resistance and reactance
: Displays the result of display A ÷ (display B)
2
Computation example :
Display A Display B Display C Wiring method
VA1 A1rms |Z|=
VA1
Any
(A1rms)
2
W1 A1rms R=
W1
(A1rms)
2
Var1 A1rms |X|=
Var1
(A1rms)
2
V 1
A 1
SOURCE
LOAD
• Resistance
: Displays the result of (display A)
2
÷ display B
Computation example :
Display A Display B Display C Wiring method
V1rms W1 R=
(V1rms)
2
Any
W1
V 1
A 1
SOURCE
LOAD
4.7 Using the Four Arithmetical Operation Function (Applies to WT110/WT130 with ROM Version 2.01 or later)

YOKOGAWA WT110 Specifications

General

Brand	YOKOGAWA
Model	WT110
Category	Measuring Instruments
Language	English