Chapter 2 Installation DC Measurement
PM130 PLUS Powermeter Series_Installation Operation and Manual 35
2.5 DC Measurement
2.5.1 DC voltage measurement
PM130 enables measuring 1-3 independent DC sources via 3 independent DC voltage Inputs.
When the device is used as a single DC meter V1 and I1 shall be used. V2 and V3 must be connected to
GND.
When the device is used as a multichannel DC meter. V1/I1, V2//I2, and V3/I3 serve as independent
channels/meters.
PM130 Measures up to 675V DC via direct connection to the meter:
Measuring 1500V DC and 2500V DC systems is possible via the SATEC Voltage Ratio Module (VRM).
When using the VRM, it is recommended that the distance between the SATEC VRM and SATEC meter
should not exceed 2 meters, using cabling featuring minimum 600V Using the PM130 PLUS, enter “ratio”
= 11 Ratio coefficient = 11
Voltage Ratio Module Characteristics:
• Accuracy = 0.1%
• 3 Independent voltage inputs
• DIN-rail installation
• Using the PM130 PLUS, enter “ratio” = 11 Ratio coefficient = 11
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