3
Setup and Operation
1. Insert the software CD into the PC. Double click the set up.exe file to launch the software
installation program.
2. Follow the installation wizard to complete installation; when complete, the “Datalogger”
software icon shortcut will be automatically placed on the PC desktop.
3. Plug the data logger into the computer USB port and double click on the “Datalogger”
software icon to launch the software.
4. Left click on the “Datalogger Setup” icon (tool image) in the top left corner to open
the “Setting” tab.
Manual start mode:
Allows you to move logger to a remote location. To start recording,
press and hold the Start button for 3 seconds until the green LED lights up. To stop
recording, press and hold the Start button for 6 seconds until the red LED lights up.
Instant start mode:
Recording begins automatically once the logger is removed from
the computer USB port.
5. Refer to the "Software Setup and Operation" section on pages 4–7 for full instructions.
Note:
Model 20250-44 must have the external type K thermocouple sensor connected
before recording.
LED Status Guide
*To conserve battery life, increase the LED flashing cycle to 30 seconds using the provided software.
†The LED status indication alternates every cycle. For example: If there is one alarm, the REC LED blinks
for one cycle and ALM LED will blink for next cycle.
‡When the battery is low, all operations will be disabled automatically (logged data will be retained).
Replace the battery and use provided software to restart logging operation and to download logged data.
LEDs
Indication
Action needed
REC ALM
Both LED lights off
– Logging not active
—
– No battery inserted or dead battery
‡
Replace battery and download data
REC ALM
Green single flash every 10 seconds*
– Logging in progress, no alarm condition
—
Green double flash every 10 seconds*
– Delayed start
To start, hold the Start button until
green and yellow LEDs flash
REC ALM
Yellow single flash every 10 seconds*
– Logging in process, LOW alarm condition
†
—
Yellow double flash every 10 seconds*
– Logging in process, HIGH alarm condition
†
—
Yellow single flash every 60 seconds
– Memory is full
Download data
REC ALM
Red single flash every 60 seconds
– Low battery
‡
Replace battery and download data
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