ENERAC 700, Instruction Manual

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CHAPTER 3
POWER REQUIREMENTS
Power is supplied by a battery pack consisting of four D-size Ni-MH rechargeable
batteries. A 120 –240 Volt AC charger having a 12 Volt DC/ 1.5 A. output is
supplied with the instrument. The battery charger will charge the 9,000 mAH
batteries in about six hours.
Battery life is approximately 4-6 hours of continuous operation. When the battery
voltage drops to 4.0 volts, a “battery low” warning will appear on the display. A
few minutes later the instrument will automatically turn off to preserve the
remaining battery power for the sensor biases.
• The CO, NO, and SO2 sensors needs a tiny amount of electrical power
even when the analyzer is off.
• Do not allow the batteries to discharge completely. When not in daily use,
remember to charge your analyzer periodically.
• If the analyzer has been without power for a long time, you may need to wait
a few hours after recharging the battery for the sensors to be restored.
You can check the condition of the battery at any time:
1. Press the
DISPLAY DATA
key and observe the battery icon, located at the bottom
of the display.
Battery Full
Battery Empty
Battery Charger Connected
Fast-Charge Mode
2. Press the
LEFT ARROW and RIGHT ARROW
keys together and observe the
current battery voltage, listed as
BAT
. When the unit is operating on its
batteries, the voltage displayed will vary from an initial 5.2–5.4 volts (fully
charged), dropping slowly to 4.2 volts (batteries nearly empty).