Model GDL-T Graphical Display Data Logger

3 External Temperature Sensors, 1 Internal Temperature Sensor

The Model GDL-T Four Temperature Graphical Display Data Logger can record and instantly display temperature, humidity, and dew point trends in a text or graphic format. The GDL-T accepts up to 3 external temperature sensors. With the included Windows® based software, the user can select the sampling interval, high/low alarms, logging channels, and recording start time. Over 40,000 data points can be recorded and the measured data stays secure with a recording session counter and password-protected calibration.

Product Applications

  • Refrigeration/Freezers

    • Medical Storage Facilities

    • Greenhouses/Florists

    • Wine Storage

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

COVID-19 Update: Due to high customer demand, lead time on some products may be up to two weeks. While this is a developing health situation, we are working continuously to take the necessary measures to ensure that the products you need are available with minimal interruption.

Model Description Usually Ships* Price Order
Ships: 2-3 Weeks
Price: $274.00
Four temperature view data logger with LCD display. 2-3 Weeks* $274.00 Order


Memory Size:
21,760 points for 4 temperatures, 29,010 points for 3 temperatures,
43,520 points for 2 temperatures, 87,040 for single temperature.
Internal Temperature Range:
15 to 150°F (-10 to 65°C).
External Probe Temperature Range:
-40 to 160°F (-40 to 70°C).
Temperature Accuracy:
±1°F (0.5°C).
Temperature Resolution:
Operating Temperature:
15 to 150°F (-10 to 65°C).
Time Accuracy:
±100 ppm @ 75°F.
Sampling Rate:
User selectable 1 second to 18 hours.
Computer Requirements:
Windows® 98SE, Windows® ME, Windows® 2000, Windows® XP, WindowsVista®,
and Windows® 7 operating systems. Compatible with 32 and 64 bit systems.
System Requirements:
5 MB of free space, 800 x 600 screen resolution, 1 USB port.
Power Requirements:
(3) AA alkaline batteries, installed functional, user replaceable.
Battery Life:
1 year continuous use, 2 years average use. Automatically powers off in 1 hour if not logging data.
Visual over and under alarm indicator for all 4 channels.
USB port. USB cable is included.
7.0 oz (200 g).
Agency Approvals:

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