YOKOGAWA WT310 User Manual

2-41
IM WT310-02EN
Making Preparations for Measurements
1
2
3
4
5
6
7
App
Index
Connecting to the WT330
In the wiring examples that follow, the WT330 input elements, voltage input terminals, and current
input terminals are simplified as shown in the following figure.
VOLTAGE
±
±
CURRENT
EXT
Input element
C
±
V
±
Voltage input
terminals
Current input
terminals
WT330
Also, the wiring examples are for when a CT is connected. When connecting a pass-through CT or a
clamp-type current sensor that outputs current, substitute the CT with the pass-through CT or clamp-
type current sensor.
Clamp-type current
sensor that outputs
current
C
±
±
V
L
CT
C
±
±
V
Input element Input element
Pass-through CT
C
±
±
V
Input element
2.11 Wiring the Circuit under Measurement When Using a Voltage or Current Transformer

YOKOGAWA WT310 Specifications

General

Model	WT310
Category	Digital Power Meter
Current Measurement Range	0.5 mA to 20 A
Weight	Approx. 3.5 kg
Voltage Measurement Range	15 V to 600 V
Frequency Range	100 kHz
Basic Accuracy	0.1%
Power Accuracy	0.1%
Display	LCD
Interfaces	USB, RS-232, GP-IB
Input Elements	1
Dimensions	213 mm x 88 mm x 346 mm