YOKOGAWA WT310 User Manual

7-3
IM WT310-02EN
Specifications
1
2
3
4
5
6
7
App
Index
Item Specifications
Influence of common mode
voltage
When 600 Vrms is applied between the input terminal and case with the voltage input terminals shorted,
current input terminals open and external current sensor input terminals shorted.
Double the following values when the crest factor is set to 6.
• At 50/60 Hz
–80 dB or more (±0.01% of range or less)
• Up to 100 kHz (reference value)
0.01% of range or more. f is frequency of input signal in kHz.
• 15 V, 30 V, 60 V, 150 V
, 300 V, 600 V ranges, 0.5 A, 1 A, 2 A, 5 A, 10 A, 20 A ranges of WT310/
WT332/WT333, 1 A, 2 A, 5 A, 10 A, 20 A, 40A ranges of WT310HC and, external current sensor
input (/EX2 Option)
Within ± × 0.001 × f% of range
(Maximum rated range)
(Rated range)
The maximum rated range is 600 V for the voltage input terminal and 20 A for the current input
of WT310/WT332/WT333 and 40 A for the current input terminal of WT310HC and 2 V for option
/EX2.
• 5 mA, 10 mA, 20 mA, 50 mA, 100 mA, and 200 mA ranges of WT310
Within ± × 0.0002 × f% of range
(Maximum rated range)
(Rated range)
The maximum rated range is 20 A.
• External current sensor input (/EX1 Option) ranges
Within ± × 0.01 × f% of range
(Maximum rated range)
(Rated range)
The maximum rated range is 10V.
Line filter Select OFF or ON (cutoff frequency at 500 Hz).
Frequency filter Select OFF or ON (cutoff frequency at 500 Hz).
A/D converter Simultaneous conversion of voltage and current inputs. Resolution: 16 bits
Maximum
conversionrate:Approx.10μs
7.1 Input

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