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CONTENTS
General Overview 3
Specifications 4
Installation and Placement 5
Connecting to the Computer 6
SpecWare Software 7
Battery Replacement 8
Trouble Shooting 9
Service and Support 10
Warranty 11
This manual will familiarize you with the features and
operation of your new WatchDog Data Logger. Please read
this manual thoroughly before using your instrument. For
customer support, or to place an order, call Spectrum
Technologies, Inc. at (800)248-8873 or (815) 436-4440
between 7:30 am and 5:30 p.m. CST, FAX at (815)436-4460,
or E-Mail at info@specmeters.com.
www.specmeters.com
Spectrum Technologies, Inc
2
12360 S Industrial Dr . East
Plainfield, IL 60544
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General Overview
Thank you for purchasing a WatchDog Data Logger.
This manual describes how to use your WatchDog
Logger and keep it working accurately for many years.
Read this manual thoroughly in order to get effective
performance from your data logger.
This WatchDog Data Logger series will allow you to
record conditions at remote sites. The WatchDog’s
blinking LED light confirms the logger is recording.
Download the accumulated data at your convenience
using the powerful SpecWare software. SpecWare will
present the data in graphical and tabular form. Use the
software to calculate growing degree days and chill
hours, and/or view daily, monthly, and yearly reports.
3
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Specifications
Model # Internal
Sensors
110
115
125
Temp
None
Temp
Measurement
Range
-4° to 158°F
-20° to 70°C
N/A
Internal
-4° to 158°F
-20° to 70°C
- - - - - - - - -
External
-22° to 212°F
-30° to 100°C
Accuracy Measurement
Capacity
±1°F
±0.6°C
N/A
±1°F
±0.6°C
measurement
(2.55” max
per interval)
measurement
7,000
data points
7,000
intervals
7,000
data points
(3,500 per
channel)
External
Channels
None
Rainfall
Temp
130
150
4
Temp
Temp/RH
Temperature
-4° to 158°F
-20° to 70°C
- - - - - - - - -
Leaf Wetness
0 to 15
-4° to 158°F
-20° to 70°C
±1°F
±0.6°C
±1°F
±0.6°C
- - - - - - - ±3%RH
7,000
measurement
data points
(3,500 per
channel)
7000
measurement
data points
(3,500 per
channel)
Leaf
Wetness
None