Hi, I am a engineering student, just want to ask if a dht11 - Humidity Sensor withstand 95 deg celsius in 2 hours?
thanks in advance :))
What does the spec sheet have to say about this?
Datasheet does not state much, it can measure 0..50C
for recalibration a temperature up to 60C is advised.
From datasheet
(3) Restoration process when (1) & (2) happen
Step one: Keep the DHT sensor at the condition of Temperature 50~60Celsius, humidity <10%RH for 2 hours;
Step two:K keep the DHT sensor at the condition of Temperature 20~30Celsius, humidity
>70%RH for 5 hours.
(4) Temperature Affect
Relative humidity largely depends on temperature. Although temperature compensation technology is used to ensure accurate measurement of RH, it is still strongly advised to keep the humidity and temperature sensors working under the same temperature. DHT11 should be mounted at the place as far as possible from parts that may generate heat.
Hi, I am a engineering student, just want to ask if a dht11 - Humidity Sensor withstand 95 deg celsius in 2 hours?
Is the sensor on or off?
Is this a one time event or would it happen e.g. daily or weekly or ...
Based on info I found I would say no, but for only a few $$ you would know.
please share if you do the experiment
Datasheets usually have "Absolute maximum ratings" on page 2. That will tell you what temperatures it will survive.
I've read the specification sheets about dht11 and it seems that i can't use it, and i also read about dht22, but it seems that i cant also use because its operating range is -40'C to 80'C.
What temperature sensor can i use that can withstand a 95'C in 2 hours straight?
Thermocouples can handle very high temperatures, they're the probe of choice for ovens (up to 300 or even 400°C should be no problem).
Thermistors (NTC) may be suitable as well - do choose your pullup resistor based on the typical temperature you want to measure for best accuracy - though it may at the high end of their range.
Both options are cheaper and probably more accurate than the DHT11/DHT22 but of course do not measure humidity.
Most digital electronics are not rated for >85°C.
GrenHeim0:
What temperature sensor can i use that can withstand a 95'C in 2 hours straight?
DS18B20 has a range from -55°C .. 125°C (-67°F to +257°F), good accuracy and precission.
There exist a good library for Arduino for this sensor.
A watertight version is also available (e.g. for boiling water)
Thanks 
The library mentioned can be found here - GitHub - milesburton/Arduino-Temperature-Control-Library: Arduino Temperature Library
I have used a (waterproof) DS18B20 temperature sensor to test temperatures inside my (working) electric water heater (tea kettle). These devices certainly survive boiling water (report on: (5) Arduino monitored water kettle - Zonnestroompanelen in Nederland)
As far a humidity measurement @95 centigrade concerns I would bet on a Si7021 rather than a DHT11 or DHT22. (https://www.silabs.com/documents/public/data-sheets/Si7021-A20.pdf).
Succes, fForis