Battery Status Monitor Operator's Guide TM500A

P/N 973-0012-01-02 Rev. A 05/01

Indicators and Controls (continued)

Basic Meters

To display one of the four meters;

• Press the SELECT button until the desired indicator illuminates.

• The LED display indicates the values for the selected function.

Available Meters

% (state-of charge)

When this indicator is illuminated, the LED display shows the battery’s

state-of-charge based upon the amp-hour reading divided by the amp-hour

capacity of the batteries (or battery bank). The values displayed are:

LO (when battery is below 27.5%)

30 to 90% numerical value (in 5% increments)

FULL when the battery’s state-of-charge is over 92.5% capacity

V (VOLTS)

When this indicator is illuminated, the LED display shows the real time

voltage from 08.0 to 35 volts (for 12- to 24-volt systems) ±0.1 volt accuracy,

or 16.0 to 69.9 volts (for 48-volt systems) ±0.2 volt accuracy.

A (AMPS)

When this indicator is illuminated, the LED display shows the real-time

charge or load current in amps. The range is from ±0.1 to ±999 amps with

a refresh rate of one second. The accuracy is ±1.5%.

Figure 4-2

Meter Selection and LED Indicators

12.4

Value for selected

mode appears in

the display

Press SELECT until the

desired function LED

illuminates

Polarity Indicator

4.0 OPERATION