Manual
Table Of Contents
- Quick Start
 - Overview
 - Connecting the Logger to Your PC
 - Setting Up the Logger To Record Data
 - Custom Interval Setup
 - Alarm Setup
 - Using the Software to Check Logger Status
 - Ending the Logging Session
 - Powering Down the Logger
 - Loading Logger Data
 - Automatic Data Retrieval
 - Working With the Data Graph
 - Using the Zoom Feature
 - Data Listing Window
 - Using the Data Filter
 - Hiding or Viewing Channels
 - Exporting Logger Data
 - Printing the Logger Data
 - Calibrating the Logger
 - Setting the Calibration Password
 - Setting the Logger Real Time Clock
 - Data Security
 - Specifications
 - MTL-30 Temperature Humidity Logger
 - Replacing the MTL-30 Battery
 - MTL-30 Specifications
 - MTL-30 Logger Status LED
 - MTL-20 Temperature Logger
 - Replacing the MTL-20 Battery
 - MTL-20 Logger Status LED
 - MTL-20 Specifications
 - GDL Temperature Humidity Logger with Display
 - Turning the GDL On and Off
 - GDL Sample Screen
 - The GDL Summary Screen
 - GDL Graph Screen
 - GDL Buttons
 - Replacing the GDL Battery
 - GDL Specifications
 

DwyerLog User’s Guide  Versin 1.2x  5/25 
To select a logger click on one of the loggers on the list, and click the Connect button. 
Setting Up the Logger To Record Data 
To set your logger to start recording data, select Setup from the Logger menu. The setup options window is shown 
below. 
•  Sample Interval (Total Recording Length): Select the sample interval from a predefined list of intervals. 
•  Custom Interval: Add your own interval to the sample interval list. 










