Data Loggers, Indicating
Model GDL
Graphical Display Data Logger
Measure Temperature, Humidity and Dew Point, Instant Display
Series UDL
Universal Input Data Logger
Internal Temperature Sensor, Optional Internal Humidity Sensor and Display, Universal Inputs
Model GDL-T
Graphical Display Data Logger
3 External Temperature Sensors, 1 Internal Temperature Sensor
Series WTDL
Wireless Temperature/Humidity Data Logger
Transmission up to 400 Feet, Text/Email Alarm Updates