Specifications

BLACKBOX PORTABLE QUICK REFERENCE GUIDE
July 2010
Elspec | On Site Setup
III—5
Step 3: Wire the Voltage and Current Measurement
Inputs
Connect Voltage Cords
The BLACKBOX Portable provides 4 fast sampling AC Voltage Sensor
Sockets and a VDC Probe Socket
To attach the AC Voltage Cords:
1. Attach voltage cords to the Voltage Sensor Sockets on the device
according to the color codes.
2. Attach Crocodile clips from the voltage cords to the measured power
source.
3. Verify connection with the Presence- Indication LEDs as above. The
LED light illuminates in blue for voltage levels above 10% of the
nominal value.
Make sure that the voltage measurement ground is
connected first, then neutral, and finally the phases.
Refer Circuit Topologies on page V—1 in order to
interface the device with your circuit topology.
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