DATA LOGGING RAIN GAUGE
RG3 and RG3-M
User’s Manual
Table of Contents
Welcome ............................................................................................. 2
Specifications ...................................................................................... 2
Functional Overview ........................................................................... 4
Accessing the Logger ......................................................................... 4
Using the Logger for Temperature Measurement .............................. 5
Connecting the Logger to Computer .................................................. 6
Logger Triggered Start ....................................................................... 6
Internal Events .................................................................................... 7
Logger Operation ................................................................................ 7
Data Storage ....................................................................................... 7
Protecting the Logger ......................................................................... 7
Battery ................................................................................................ 8
Mounting the Rain Gauge ................................................................... 9
Maintenance ..................................................................................... 11
Field Calibration ................................................................................ 11
2
RG3 and RG3-M Data Logging Rain Gauge User’s Manual
Welcome
Thank you and congratulations on your purchase of a Data Logging Rain Gauge
from Onset Computer Corporation. With proper care, it will give you years of
accurate and reliable measurements. Please be sure that you read and understand
this manual before operating the Rain Gauge.
Contents of This Package
•
Data Logging Rain Gauge, Onset Part No: RG3 or RG3-M
•
Mounting Accessories: 2 Hose Clamps, 3 Screws
•
This User’s Manual
Additional Required Equipment
•
Optic USB Base Station and Coupler, Onset Part No: BASE-U-1
•
Onset HOBOware
®
software version 2.1 or later
WARNING:
The black-anodized aluminum knife-edged ring is extremely
sharp and can cause injury if not handled properly. Do not press edge against
any body parts as severe cuts and bleeding may occur.
Specifications
Rain Gauge
Maximum Rainfall Rate
12.7 cm (5 in.) per hour
Calibration Accuracy
±1.0% (up to 2 cm per hour for the RG3-M or up to 1 in. per
hour for the RG3)
Resolution
0.2 mm (RG3-M) or 0.01 in. (RG3)
Calibration
Requires annual calibration: can be field calibrated or
returned to the factory for re-calibration
Operating
Temperature Range
0° to +50°C (+32° to +122°F)
Storage
Temperature Range
-20° to +70°C (-4° to +158°F)
Environmental Rating
Weatherproof
Housing
15.24 cm (6 in.) aluminum bucket
Tipping Bucket
Mechanism
Stainless steel shaft and bearings
Dimensions
25.72 cm height x 15.24 cm diameter (10.125 x 6 in.);
15.39 cm (6.06 in.) receiving orifice
Weight
1.2 Kg (2.5 lbs)
Part Numbers
RG3 (0.01 in. per tip)
RG3-M (0.2 mm per tip)
The CE Marking identifies this product as complying with all
relevant directives in the European Union (EU).
