Battery Usage; Viewing Battery Life Remaining - Vaisala HMT140 User Manual

Battery Usage

The HMT140 has a built-in battery meter. This meter is
based on a count of its transmissions. To determine battery
life remaining, the meter records the amount of power used
during transmission relative to the power remaining.

Viewing Battery Life Remaining

The HMT140 Utility displays the estimated battery
expiration and the estimated battery life percentages on the
Status page.
Note:
CAUTION:When replacing batteries, the meter must be
To view battery life remaining:
 On the Status tab, view the batter meter status in the
Est. Life field.
To reset the battery meter after installing new batteries:
Note:
Turn off the HMT140. Make sure the configuration Cable
1
is disconnected.
Press and hold the SERVICE button.
2
• Turn the HMT140 on while the SERVICE button is
• Wait four seconds. You will hear eight beeps from the
Release the SERVICE button to complete the battery
3
meter reset.
Confirm that the battery meter is reset. Reconnect the
4
Configuration Cable to the HMT140 and view the
estimated battery life in the Status tab (it should
indicate 100%).
M211488EN-E
The shorter the transmit period, the shorter the
battery life.
reset to recognize the new battery status.
To install new batteries, see Battery Replace-
ment on page 48.
engaged.
beeper.
Battery Usage
37