Hanna Instruments HI141DH Temperature Datalogger with External Sensor, Molded Hook and LCD Display,

Logging interval from 1 second to 24 hours
Logging delay start up to 199 hours and magnetic start
Programmable high and low alarms
Waterproof casing
Measures 86.5mm diameter by 35mm height

Technical Details

Size (LWH): 4.7 inches, 4.6 inches, 3.3 inches
Product Details
Product Dimensions: 4.7 x 4.6 x 3.3 inches
Shipping Weight: 0.45 pounds (View shipping rates and policies)
ASIN : B0085WSTHQ