Fluke 45 - Manual (Page 26)

Getting Started
Operating the Meter Under Battery Power (Optional)
2
2-9
To perform a diode or transistor junction test, press
G to select the diode/continuity
function. (Each press of
G turns the continuity beeper on and off.) Then connect the
test leads across the diode as shown in Figure 2-8. Notice how the test leads are placed.
Reversing the polarity will reverse-bias the diode.
Operating the Meter Under Battery Power (Optional)
The meter can be powered by an 8 V, lead-acid battery. The battery module consists of a
battery, battery bracket, and battery charger circuit assembly. The battery is rechargeable,
requires no maintenance, and is fully operable at ambient temperatures between 0 and
50 °C. Refer to Appendix A for specifications.
The battery has a typical operating time of eight hours. When less than 1/2-hour of
battery life remains,
N turns on. If you turn the meter off when it is being operated
under battery power, you must wait five seconds before turning the meter back on.
Otherwise the meter will not power-up.
To maintain a fully charged battery (and maximize battery life), always recharge the
battery after the meter has been operated on battery power. To recharge the battery, plug
the meter into line power and turn the meter off. It will take approximately 16 hours to
fully recharge a discharged battery with the meter turned off.
The battery remains fully charged as long as the meter is connected to line power. You
need not be concerned about over-charging the battery. Do not store the battery for
extended periods in a discharged state. Always fully charge the battery before storage and
at least once every six months during storage. If the meter has been stored for a long
period with the battery installed, fully recharge the battery before using the meter on
battery power.
Rack Mounting
You can mount the meter in a standard 19-inch rack using the M00-200-634 Rack Mount
Kit. The rear feet can be rotated to clear a narrow rack space.
To install the rack mount kit, refer to the instructions provided with it.