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Your cart is empty.The RHT20 is a Humidity Temperature Datalogger which records up to 16,000 Humidity and 16,000 Temperature readings with a user programmable sample rate. USB interface for easy setup and data download. Dew Point indication via the included Windows-compatible software. Selectable data sampling rates of 2s, 5s, 10s, 30s, 1m, 5m, 10m, 30m, 1hr, 2hr, 3hr, 6hr, 12hr, and 24hr. User-programmable alarm thresholds for RH and Temperature. LCD displays current temperature and humidity readings plus Min/Max and Alarm status. Long battery life. Place or mount the datalogger in monitoring location (storage bin, truck, cargo hold, freezer, temperature-controlled room, etc.). Datalogger records temperature and humidity at sample rate set by user. Connect the datalogger to your PC via the USB interface to retrieve readings. Datalogger displays the current Humidity and Temperature plus Min/Max and alarm status so it can viewed anytime during the recording process. Complete with battery, mounting bracket, and software.
Glenn Wilson
Reviewed in the United States on November 15, 2023
This has always been my go to when i need dew point reading
Customer
Reviewed in Canada on March 4, 2021
L’appareil fonctionne très bien mais vous devez acheter des batteries avec votre achat celle qui vient avec ne fonctionne pas. Deux en deux
Ercan
Reviewed in the United Kingdom on December 7, 2021
I had a cheap (£5 plus) Clock/Thermometer/Hygrometer device and it was awful (even with the clock).So, I bought this Extech Instruments 445702 Hygro-Thermometer Clock, hoping that it would be more accurate, given that it costs £30 plus (most expensive among similar devices).The clock and temperature measurement seems okay but humidity measurement (the main reason i bought this for) is consistently inaccurate %20. See the attached photo for a comparison.Needless to say, I'm very disappointed and would not recommend this product.
William G.
Reviewed in Mexico on August 8, 2020
Producto excelente, marca muy bien temperatura y humedad, ademas del reloj y alarma.
RICARDOG
Reviewed in Mexico on June 1, 2019
Excelente manufactura, buen tamaño, el software es muy intuitivo y fácil usar, en general compre lo que describían en el articulo
JEM
Reviewed in the United States on June 28, 2018
Very useful and simple to use, software provides all I need to download and store logs, very efficient with battery as long as you program it right and not crazy logging.
Tom8osauce
Reviewed in Canada on May 10, 2018
These are the humidity meters that we use for work. We don't use the measured dew point, instead we do our own calculations to determine it (I find that the measured dew point is off).This meter is very easy to use. Just make sure that you aren't holding the meter too close to your face (otherwise your breath will skew the results).
Brian
Reviewed in Canada on February 12, 2018
Seems kinda cheap but works ok.
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