(Chauvin Arnoux CA8331) POWER UNIT, 100/1000V AC/DC
Valid Article
(Chauvin Arnoux CA8331) POWER UNIT, 100/1000V AC/DC
Form
Power unit designed to power Chauvin Arnoux Qualistar+ C.A 833X analyzers, supplying external DC power to preserve the instrument's internal battery during long-duration measurements.
input voltage range: 110–1 000 V
output: 15 V DC, 15 W (17 V max no-load)
dimensions: 160 × 80 × 57 mm
weight: 510 g
cord length: 1.50 m with jack connector
protection rating: IP53, double insulation, IK04
Includes:
1 × PA31ER mains adapter
1 × set of safety leads
Per piece.
Fit
Interfaces and connections:
connects to the voltage inputs of the Qualistar+ analyzer (phase–neutral or phase–phase)
jack connector for the analyzer's external power input
compatible exclusively with Qualistar+ C.A 833X series
Key electrical characteristics:
input: 110–1 000 V, 0.8 Arms max
output: 15 V DC regulated, 15 W
automatic start-up with power indicator
Installation / integration:
ensures uninterrupted analyzer operation during long-term monitoring
leaves measurement inputs (voltage and current) fully available for normal use
indoor use only
Function
Used to provide stable external power to a Qualistar+ analyzer for extended-duration measurement sessions while saving the internal battery.
Usage: connect the adapter leads to a measurement input (phase–neutral or phase–phase), then plug the jack into the analyzer's external supply port.
Specific use: suited for long energy audits, power quality assessments, and continuous monitoring.
Limitations: not a charger; intended only for powering Qualistar+ C.A 833X instruments.
Required storing conditions: keep in a dry indoor area away from dust and moisture.
Use precautions:
inspect leads and housing before each use
avoid exceeding rated electrical limits
disconnect before cleaning
do not use solvents or alcohol