Larson Davis HVM200, Reference Manual

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HVM200 Reference Manual A-4
Power Button Functions
A.4 Electrical Characteristics
Power Consumption
• USB Power: 130 mA in station mode; 180
mA in access point mode
• Battery run time: 12 hours in station mode;
9 hours in access point mode
Power Supply
• User replaceable rechargeable lithium-ion
battery
• Charge time: 3.5 hours with Larson Davis
PSA035 power supply
• External Power:
USB Type A to Micro-B USB cable, 3 ft (1 m)
Larson Davis Power Supply PSA035 (universal 100-
240 VAC to 5 V USB power adapter)
Electrical Testing
During electrical testing, the following circuit was
used:
Measurement
Running
The HVM200 is in the process of taking a measurement.
(Blinking)
Measurement
Run Pending
The HVM200 is stabilizing for an impending measurement, which may last up to
60 seconds, or is awaiting a delayed start set from the scheduling tab.
Overload
A signal from the accelerometer is currently exceeding the calibrated input range
of the HVM200.
(Blinking)
Overloaded
An overload has occurred in this measurement.
Power Button Functions
Action Press Power Button
Turn on power At least one second until Power LED is blue
Turn off power Until Power LED is blue and Status LED is dark
Start or stop toggle for manual measurement After turning on meter, less than three seconds
Shut down (if unresponsive) At least 16 seconds
Status LED