YOKOGAWA WT130 User Manual

IM 253401-01E
5-2
Explanation
Continuous Maximum Allowable Input
• Voltage : peak voltage is 1.5kV, or the RMS value is 1.0kV, whichever is less.
• Current : peak current is 100A or the RMS value is 30A, whichever is less. In case of external
sensor input, the peak value is 5 times the measurement range or less.
Maximum Reading of the Display and Units
• Maximum reading : for voltage, current and power, each 9999
• Units : V (voltage), A (current), W (power)
• Prefix : m, k, M
Selecting the Display Function
The following selections are available.
• V : voltage will be displayed
• A : current will be displayed
• W : power will be displayed
Selecting the Input Element
The type of input element which can be selected depends on the model number. Make your
selection after having verified your model number.
• 1/2/3: Displays the measurement values of element 1/2/3
• ∑ : Displays according to the wiring method, and is as follows.
ΣV ΣA
ΣW
1Φ3W
2
V1+V3
V1+V3
2
A1+A3
W1+W3
W1+W3
W1+W2+W3
W1+W3
2
3
V1+V2+V3
3
V1+V2+V3
V1A1+V3A3
V1A1+V2A2+V3A3
V1A1+V3A3
var1+var3
var1+var3
var1+var2+var3
var1+var3
V1A1+V2A2+V3A3
3Φ4W
3V3A
3Φ3W
2
A1+A3
2
3
3
3
A1+A2+A3
3
A1+A2+A3
(
)
3
( )
ΣVA Σvar
ΣPF Σdeg
1Φ3W
3Φ4W
3V3A
3Φ3W
ΣW
ΣVA
cos
-1
ΣPF
Wiring method
Wiring method
5.1 Measuring/Displaying Voltage, Current and Active Power

YOKOGAWA WT130 Specifications

General

Brand	YOKOGAWA
Model	WT130
Category	Measuring Instruments
Language	English