Extech HW30, multi-function stopwatch. Displays a digital up/down timer, temperature, humidity and heat index. Additional features include a 12/24-hour clock, stopwatch, 30 lap/split memory and programmable alarm.
EXTECH RHT10 humidity and temperature USB datalogger with user programmable sample rates from 2 seconds up to 24 hours. Records up to 16000 readings for each parameter.
EXTECH RHT30, easy-to-use, USB datalogger records humidity and temperature with date/time stamp. Compact size housing with built-in NTC thermistor and capacitive humidity sensor designed with standard USB connector for easy data downloading to a PC.