DMTA-10004-01EN, Rev. D, November 2016
Chapter 2
34
2.3.1 Battery Operating Time
The battery operating time depends on the type of battery being used, the age of the
battery, and the instrument settings. To provide realistic battery operating times, the
38DL PLUS has been tested with mid-level operating parameters (update rate set to
4 Hz and display brightness set to 50 %).
The nominal battery operating times for new batteries are:
• Rechargeable Li-ion: 12 to 14 hours
• AA NiMH: 4 to 5 hours (externally recharged)
• AA Alkaline: 2 to 3 hours (nonrechargeable)
2.3.2 Charging the Battery
The 38DL PLUS charger/adaptor (P/N: EP-MCA [U8767042]) is designed to charge
38DL PLUS batteries only (P/N: 38-BAT [U8760054]). Do not attempt to charge any
other battery types (such as alkaline or NiMH) or use any other chargers/adaptors to
charge the 38DL PLUS batteries (P/N: 38-BAT [U8760054]). Doing so may cause an
explosion and injury.
Do not attempt to power or charge other electronic equipment with the 38DL PLUS
charger/adaptor (P/N: EP-MCA [U8767042]) as this may cause death or serious
personal injury as the result of the explosion while charging a battery.
To charge the internal battery
Connect the 38DL PLUS using the AC power (see “Using the AC Power” on
page 32).
The battery charges when the instrument is ON or OFF, but the rate of charge is
slower when the instrument is ON.
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