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Measurement and Storage Unit -  MSU

 
   

Measurement Line Type ( using CT and PT)

 

1phase 2 wire, 1 phase 3 wire, 3 phase 3 wire and 3 phase 4 wire at frequency 50/60 Hz

 

Measurement Range

 

Two voltage ranges and three current ranges

 

Frequency Range

 

40 to 70 Hz

 

Measurement Method

 

Simultaneous digital sampling voltage and current, PLL synchronization

 

Accuracy

 

0.2 % for active & 0.5 % reactive energy- IEC 62053-22

 

Input Methods

 

Voltage: Isolated input using PT
Current: Isolated input using CT

 

Display

 

4×20 LCD interface Display
Update Rate : 1second

 

Input resistance

 

Voltage: 2 MΩ +/- 10%
Current: 200 KΩ +/- 10%

 

Maximum Measurements

 

Voltage: 600 Vrms
Current: 0.25 Vrms

 

Power Supply Voltage Rating

 

190v to 240v AC at 50/60 Hz

 

Internal Memory Capacity

 

2 MB

 
 
 
 
 
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