TENMARS TM-184

Features/ Benefits High Accurate Humidity Measurement ± 1% R.H. Relative Humidity range from 1% to 99% . Dual LCD backlit display with Temperature and Humidity readings. Maximum primary display: 1999. Maximum secondary display: 9999. Min/ Max, and Data Hold function. Auto power Off with disable function. Low battery indication. Alarm for Hi Low limit: Temperature and Humidity. Dew-Point and Wet bulb. USB Datalogger: 30000 records. Length of wire for sensor: approx. 1 meter. Real-time clock and calendar. Specifications Temperature Ranges -20° C to 60° C ( -40° F to 140° F) Temperature Accuracy ± 0.5° C ( 0° C to 40° C) , ± 1.5° F ( 32° F to 104° F) , other ± 2.0° C/ 3.6° F Temperature Resolution 0.1° C and 0.1° F Temperature Updating Rate One time per second Temperature Sensor Type Diode Relative Humidity Range 1.0% to 99.0% Relative Humidity Accuracy ± 1% RH ( at 25° C, 15% to 90% RH) ± 2.5% RH ( at 90% RH) Relative Humidity Resolution 0.1% Dew Point Range -30° C to 100° C ( -22° F to 212° F) Wet Bulb Range 0° C to 80° C ( 32° F to 176° F) Relative Humidity Response Time Below 10 seconds LCD Character Dimensions 42mm x 32mm ( 1.656 " x 1.26 " ) Power Supply 9 volts DC Dimensions 130mm ( L) x 54mm ( W) x 38mm ( D) Weight 250g