Casella STORM Guardian 운영자 핸드북 매뉴얼 - 페이지 3

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Introduction

Casella Tipping Bucket Rain Gauges are reliable and extremely robust devices. When

paired with a Casella LOG 8 telemetry data logger they have the ability to take

measurements from a single or a multi-parameter sensor at regular intervals, and

stores this data in internal memory. This instrument will from here on in be referred to

as STORM Guardian.

Using GPRS or GSM telemetry, the LOG 8 contacts a data collection system, typically

once per day, and transfers data to the data collector.

The LOG 8 can also be configured for alarms with user-specified set points. When a

measurement exceeds a set point, the LOG 8 contacts the data collector and transfers

data along with an alarm message. The alarm message is typically forwarded by the

data collector as an email or an SMS message.

The LOG 8 manages power to both the modem and sensors. An external battery is

needed, in the range of 3.6V to 20V. This battery charges and internal rechargeable

cell (an HLC) which will run the system for a short period during battery changing.

The battery and sensor connect via a 6-way screw connector, which is protected by a

piercable sealing grommet.

Figure 1: The Tipping bucket rain gauge with the outer cover removed.