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YOKOGAWA 2041 - Connections; 結線方法

YOKOGAWA 2041
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— 4 —
IM 2041-01
1. 結線方法
(1) 単相および直流電力測定
Fig. 2-1 のように電圧端子の “±” 端子を負荷側にして,電圧
端子の “±” と電流端子の A を結線します。
電力計が逆振れしたときは,電圧端子の二線を入れかえてくだ
さい。
負荷電力 (Watt) =計器の読み×乗数
直流電力測定の場合,外部磁界の影響を極力さけるため Fig.
2-1 の結線で測定した電力と Fig. 2-2 の結線で測定した場合の
電力との平均値を測定電力(負荷電力)として求めます。
1. Connections
1. Measurement on a single-phase or DC circuit
As shown in Figure 2-1, connect between the voltage terminal “±” and
the current terminal “A” while making sure the voltage terminal is
connected to the load side.
If the pointer deects backward, swap over the connections to the two
voltage terminals.
Measured power (watt)
= indicator reading × range multiplier
To minimize the external magnetic eld inuence on the DC power
measurement, use the mean value of the power levels measured when
the terminals are connected as shown in Figure 2-1 or 2-2.

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