2010Forum Batteries/Power
Compteurs de tension pour la surveillance de la puissance de la batterie sur les appareils photo
Il y a 16 ans. Le matériel et les prix ont peut-être changé depuis.
Ce que le fil a révélé
- Multiple voltage meter options exist for monitoring battery condition on location, including dedicated cinema meters and adapted automotive meters.
- The Martel meter can be mounted in a box and positioned to face the operator, allowing battery monitoring without rotating the rig, and offers more precise voltage readings than some battery manufacturer displays.
- Budget-friendly automotive cigarette lighter voltage meters can be adapted by removing the plug and soldering leads directly, though reliability over time may vary.
- The Lascar EMV 1200-40 is a compact, low-power-draw meter option imported from a UK manufacturer.
- Some operators monitor multiple batteries by installing separate meters for each power source.
- Gel-based battery maintenance products can potentially damage sensitive voltage meter electronics if applied excessively.
Dépend de
- Discussion involves older battery technology (nickel-cadmium) that differs from modern lithium-based systems.
- Automotive meter adaptations showed reliability issues in at least one reported case, with unclear root cause.
- Voltage ranges and accuracy specifications vary between meter types and may not be suitable for all battery chemistries.
- The threaded stud on some meters may require custom mounting solutions.
- Some meter options mentioned were difficult to locate or obtain at the time of discussion.