YOKOGAWA WT210, Руководство пользователя, Страница: 305 / 316

16-10
IM 760401-01E
Item Specifications
Unit symbols m, k, M, V, A, W, VA, var, deg, Hz, h
±
, TIME, %
Number of displayed digits Select 5 or 4 digits
Display update rate During normal measurement
Select 0.1 s, 0.25 s, 0.5 s, 1 s, 2 s, or 5 s.
During harmonic measurement
Select 0.25 s, 0.5 s, 1 s, 2 s, or 5 s.
Response time Approx. (display update rate + 100 ms) (The time it takes to reach the accuracy of the final value
when the displayed value changed from 0 to 100% or 100 to 0% of the rated range)
Auto range monitor The indicator illuminates when the input signal meets the conditions for auto range switching.
Overrange display Overrange “- - oL-” is displayed for the following conditions.
During normal measurement
When the measured value exceeds 140% of the rated range
During harmonic measurement
• For 600-V range or 20-A range (300 V range or 10 A range if the crest factor is set to 6)
When the measured value exceeds 140% of the rated range
• For other ranges
When the measured value exceeds 200% of the rated range
Hold Holds the displayed value.
Single update Updates the displayed value once each time the TRIG key is pressed during Hold.
MAX hold Holds the maximum displayed value of V, A, W, VA, var, voltage peak, and current peak.
Internal memory
Item Specifications
Measured data Number of stored data points
Product Normal Harmonic
measurement measurement
WT210 (single-phase model, 760401) 600 blocks 30 blocks
WT230 (three-phase, three-wire model, 760502) 300 blocks 30 blocks
WT230 (three-phase, four-wire model, 760503) 200 blocks 30 blocks
Store interval
Display update rate or in the range of 1 s to 99 hrs 59 min 59 s.
Recall interval
Display update rate or in the range of 1 s to 99 hr 59 min 59 s.
Setup information Stores/Recalls four patterns of setup information.
16.3 Functions