User’s Manual
9
2. PRODUCT DESCRIPTION / FEATURES
As capacitors age and wear, their internal chemistries change, leading to a decrease in
capacitance. It is important to be able to measure this capacitance, and thus estimate the
remaining useful life of your capacitor bank. This can help reduce expensive pre-emptive
replacement. Capacitors stored for long periods of time also display chemistry changes,
which may cause them to fail if full voltage is suddenly applied.
The Bonitron M3628ACF is a portable, digitally controlled DC power supply with a variable
output voltage and current limiting. The digital display indicates the current status and
charging profile as well as the calculated capacitance. This product may be used for many
purposes, including charging, discharging and forming of capacitors.
2.1. RELATED PRODUCTS
M3528 ULTRA CAPACITOR/ BATTERY CHARGER
The M3528 charger can charge strings of batteries or ultra capacitors to voltages
required for industrial and commercial applications. AC or DC input is available, along
with separate float and equalization charge levels. The charger is current limited, and
designed for use in integrated storage and backup systems, but can also be used in
bench or mobile systems.
KIT 3628T ULTRA CAPACITOR DISCHARGER
Large capacitor banks store huge amounts of energy, and can be a hazard when
systems are shut down for system maintenance. The KIT 3628T system discharges
capacitor banks to safe working levels quickly, allowing work on the system to begin
in seconds, rather than hours.
M3628PCF PORTABLE CAPACITOR FORMER
The M3628 portable capacitor former can be used to charge or discharge capacitor
banks as large as 50 kJ. The output voltage is manually variable between 0 and 800
VDC, and the system is capable of supplying 1 ADC continuously. The unit can also
be used for reforming disused capacitors.
M3628PUT PORTABLE ULTRACAPACITOR TESTER
The M3628PUT portable ultracapacitor tester can be used to charge, discharge, and
measure ultracapacitors as large as 500 kJ. The output voltage can be set to between
0 and 130 VDC, and the unit is capable of supplying up to 7 ADC. After discharging,
the unit reports the capacitance and ESR of the ultracapacitor.
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