Tzonedigital_TT18 V1.4 June9, 2016
TZ-TT18
Temperature&humidity Transmitter
User Guide V1.5
1. Product overview
Temperature Transmitter (hereafter referred as TT18) built-in temperature
/humidity transmitter and GSM module, need to inset SIM card use.TT18 is with long
standby time and only wakes up when it is time to send data, or when the use operates
it. Other than this, it is in sleep state so can be used for a longer time to bring you
more convenience.
Temperature Transmitter can collect high-precision temperature/humidity quickly, and
then transmit to the server through GPRS. It is widely used in cold chain logistics,
medicine, transportation and other industries.