ReviewsPassive Humidity Sensor

ORIA Indoor Outdoor Thermometer with 3 Wireless Sensors, Digital Hygrometer Thermometer, Temperature Humidity Monitor Meter with LCD Backlight, Wireless Thermometer for Home, Office, Bedroom, White

【3 Wireless Transmit Sensors】 The 3 remote sensors can be put in three different places whatever indoor or outdoor. The thermometer can display the indoor temperature and 3 sets of outdoor temperature and humidity simultaneously. Besides, The rate of changing icon detects rapid changes in temperature and humidity..
【Humidity Expression】 Large LCD display with simple and clear readings. Indoor temperature (0 - 60℃).
Humidity (10% - 99%). The temperature and humidity accuracy: ± 1℃ / ± 5%.
DRY: humidity﹤45%. The express changes following the changing of the humidity..
【Backlight & Battery Life】 You can press the "Light" button to turn on the backlight. It will automatically turn off after 5 second if without any operation. This help you to read the data clearly even though at night. Minimum 12 months for base station with one sensor..
【Max & Min Record】 Max & Min functions on indoor and outdoor on both temperature and humidity. The data update every 60 seconds. Press the ℃/°F button to switch between celsius and fahrenheit. Perfect on your house, office, factory, etc. Time & Alarm Clock, Calendar, Snooze / Light..

Check Stock

Leviton IPHS5-1LW 3A Single Pole White - 3 Pack

NEW GENERATION: We update a critical opition for minimum run time, you can setting for how long the fan runs in auto/manual mode, default time is 1....
DEHUMIDIFICATION FUNCTION: Our Ortis humidity sensor fan switch uses a microprocessor combined with the advanced digital sensing technology. To detect....
AUTO/MANUAL MODE: When set to automatic mode, it can automatically detects the humidity in the room and turns on the bathroom fans, it will....
EASY TO SEE: Our in-wall humidity sensor & fan control uses LCD screen, displays real-time humidity value. It is easy for you to view and manage the....
NO DISTURB AT NIGHT: Are you still worried about that the loud exhaust fans at night will cause you to have trouble sleeping? Our wall humidity sensor....

Check Stock

KeeKit Indoor Outdoor Thermometer, Digital Hygrometer Meter Gauge with 3 Wireless Sensors, Temperature Humidity Monitor with LCD Backlight, Min/Max Record for Home, Office, Restaurants, Bars, Cafe

3 Wireless Transmit Sensors The 3 remote sensors can be put in three different places whatever indoor or outdoor. The thermometer can display the indoor temperature and 3 sets of outdoor temperature and humidity simultaneously. Besides, the rate of changing icon detects rapid changes in temperature and humidity. The station and transmitter signal distance is 100M/328ft (open area)..
Large Backlit LCD Screen Large LCD display with simple and clear readings. You can press the "Light" button to turn on the backlight. This helps you to read the data clearly even in the dark. And then, the digital hygrometer will automatically turn off after 10 seconds if without any operation..
Accurate Max & Min Record Max & Min record functions on indoor and outdoor on both temperature and humidity. The data update every 60 seconds. Press the /F button to switch between Celsius and Fahrenheit. Perfect on your house, office, factory, restaurants, warehouse baby room and so on..
Humidity Expression Indoor temperature (0 - 60).
Humidity (10% - 99%). The temperature and humidity accuracy: 1 / 5%.
DRY: humidity45%. The express changes following the changing of the humidity..

Check Stock

ThermoPro TX-2B Additional Humidity Sensor Fitting Outdoor Waterproof Transmitter for 915MHz Indoor Outdoor Thermometer Wireless Outside Thermometer and Temperature Monitor

Additional Sensor: Outdoor temperature sensor is compatible with ThermoPro 915MHz indoor outdoor thermometers.
(Before purchasing a new transmitter, please confirm the model and frequency of the transmitter you already own.).
500FT Remote Range: Additional remote temperature monitor sensor transmits temperature and humidity readings for ThermoPro indoor outdoor thermometer up to 500 feet/150m range.
Humidity & Temperature Range:The outdoor thermometer wireless sensor temperature range is -4°F to 158°F (-20°C to 70°C),Temperature accuracy is(±2°F).
Humidity range is (10% ~ 99%),Humidity accuracy is (±2to3%RH).
Monitoring Up to 4 Locations: With additional inside outside thermometer remote thermometer wireless sensors, you can track environmental conditions in 4 locations at most. The outdoor thermometer sensor initial channel is channel ONE, when connecting, please ensure to slide button on the back to set channel 1, 2, 3.
Multiple Mounting Options: Place the wireless temperature sensor anywhere with the tabletop and wall-mounted design.
Requires 2 AAA batteries (batteries included).

Check Stock

TOPGREENER Humidity Sensor Switch, New Model, Air Moisture Detection for Ventilation Fan, Bathroom Fan Automated Control, Adjustable Timing, Neutral Wire Required, UL Listed, TDHS5-BK, Black

Sensor switch detects excess humidity and automatically turns the ventilation fan on.
perfect for high humidity locations such as the bathroom, laundry room, basement, etc..
Humidity control switch turns fan ON automatically when moisture levels exceed preset level and turns it OFF after levels drop.
Humidity sensor features three levels to choose from (low, medium, high) to suit specific ventilation needs of the room.
features a manual ON/OFF switch to bypass the humidity sensor.

Check Stock

ThermoPro TP65 Indoor Outdoor Thermometer+ThermoPro TX-5 Universal Rainproof Transmitter

TP65: Large backlit touchscreen: 4 inches large lcd display features a backlit touchscreen, making the indoor outdoor weather station easier to read in dim light conditions and superbly simple to use.
TX-5: Dual-Purpose Sensor: ThermoPro TX-5 outdoor sensor a 1'' LCD display not only transmits data back to the base station but can also be used an indoor thermometer. Only compatible with TP60S/TP62/TP65 Series Indoor Outdoor Thermometer.
TP65: Wireless temperature and humidity monitor: Measures indoor/outdoor temperatures and humidity percentages simultaneously.
Capable of displaying the readings from up to 3 outdoor remote sensors to monitor 4 different locations at the same time if you buy 2 additional sensors.
TX-5: Super Long Battery Life: Using an advanced rechargeable lithium battery technology to allow the sensor to monitor outdoor temperatures as low as -31°F(-35°C) unlike other indoor out door thermometers which stop working, plus sustain a charge for about 6 months!.
TP65: Max and min records: All time/24 hours max and min temperature and humidity percentages recorded and displayed on humidity gauge.
Temperature/humidity trend arrows indicate whether it’s getting warmer or colder or more humid near the remote sensor.

Check Stock

TOPGREENER Humidity Sensor Switch, New Model, Air Moisture Detection for Ventilation Fan, Bathroom Fan Automated Control, Adjustable Timing, Neutral Wire Required, UL Listed, TDHS5-LA, Light Almond

Sensor switch detects excess humidity and automatically turns the ventilation fan on.
perfect for high humidity locations such as the bathroom, laundry room, basement, etc..
Humidity control switch turns fan ON automatically when moisture levels exceed preset level and turns it OFF after levels drop.
Humidity sensor features three levels to choose from (low, medium, high) to suit specific ventilation needs of the room.
features a manual ON/OFF switch to bypass the humidity sensor.

Check Stock

Leviton IPHS5-1LW Humidity Sensor and Fan Control, Single Pole, White

Automatically detects excess humidity in a room and activates the ventilation fan to lessen condensation which helps reduce mold and mildew, Sensor uses microprocessor and digital sensing technology to continuously monitor and manage humidity levels in a room.
Built-in timer sets the “minimum ON time” for the ventilation fan. The sensor time settings can be custom set to 10, 20, 30 or 45 minute intervals. The sensor will continue to operate the fan for the minimum time set or until there is a reduction in room humidity level.
A sensitivity level adjustment allows users to adjust the sensor’s sensitivity to ambient air to prevent false cycling.
Features an Air Cycle mode which automatically turns ON the ventilation fan for a set period of time and repeats the cycle hourly (eg. 20 minutes ON/40 minutes OFF each hour).
Replaces a single pole switch for control of ventilation fan or a fan/light combination, Fits in a standard wall box and requires a neutral for operation, The device’s built-in humidistat control meets CALGREEN requirements for Indoor Air Quality and Exhaust, Five-Year Limited warranty.
Automatically detects excess humidity in a room and activates the ventilation fan to lessen condensation which helps reduce mold and mildew.

Check Stock

Digital Hygrometer Indoor Thermometer, Humidity Gauge Indicator Room Thermometer, Built-in Clock and Time Display，Accurate Temperature Humidity Monitor Meter for Home, Office, Greenhouse (White)

【High Reliability & Accuracy With Temperature Sensor,】This humidity gauge indoor thermometer has wide measuring range that measures temperature from 14. 0℉ to 122. 0℉（-10. 0℃~50. 0℃), Humidity sensor measures humidity from 10% to 99%. With high accuracy within ± 5% RH and ±2 °F, Fast response that measures every 10 seconds with sensitive sensor to provide updated and accurate readings to show real time indoor air conditions..
【Multi-Function】This hygrometer thermometer measures indoor temperature and humidity with an accurate sensor and it also has a clock function. In addition, there is a emotion icon indicate three comfort level: comfortable, un-comfortable and normal conditions offering you a digital and better living condition to keep healthy..
【3 Mounting Options, Suitable For Indoor Use】 This humidity gauge thermometer has a fold-out stand, a mounting screw slot and magnetic backing. You can unfold the stand on the table , mount it to the wall or mounting the display to metal surfaces where space may be limited. The Humidity Meter can be easily and stably set up for any room in the house, such as bedroom, baby's room, storage room, greenhouse etc..
【Easy-To-Read Display】- This humidity gauge Thermometer has b....

Check Stock

Digital Hygrometer Indoor Thermometer, Humidity Gauge Indicator Room Thermometer, Built-in Clock and Time Display，Accurate Temperature Humidity Monitor Meter for Home, Office, Greenhouse (Wooden)

【High Reliability & Accuracy With Temperature Sensor,】This humidity gauge indoor thermometer has wide measuring range that measures temperature from 14. 0℉ to 122. 0℉（-10. 0℃~50. 0℃), Humidity sensor measures humidity from 10% to 99%. With high accuracy within ± 5% RH and ±2 °F, Fast response that measures every 10 seconds with sensitive sensor to provide updated and accurate readings to show real time indoor air conditions..
【Multi-Function】This hygrometer thermometer measures indoor temperature and humidity with an accurate sensor and it also has a clock function. In addition, there is a emotion icon indicate three comfort level: comfortable, un-comfortable and normal conditions offering you a digital and better living condition to keep healthy..
【3 Mounting Options, Suitable For Indoor Use】 This humidity gauge thermometer has a fold-out stand, a mounting screw slot and magnetic backing. You can unfold the stand on the table , mount it to the wall or mounting the display to metal surfaces where space may be limited. The Humidity Meter can be easily and stably set up for any room in the house, such as bedroom, baby's room, storage room, greenhouse etc..
【Easy-To-Read Display】- This humidity gauge Thermometer has b....

Check Stock

AMIR Wireless Indoor Outdoor Thermometer, Digital Hygrometer with Touchscreen LCD Backlight, Temperature and Humidity Monitor, 328ft/100m Range, Room Thermometer for Home Greenhouse Nursery Garden

【Wide Range & High Accuracy】The outdoor/indoor thermometer remperature & Humidity rang: Indoor temperature 14°F-122°F（-10°C-50°C).
Outdoor temperature -40°F-158F(-40°C-70°C).
Humidity (20% - 95%). The temperature and humidity accuracy: ± 1℃ / ± 5%.
The Station and transmitter signal distance: 100M/328ft. (enhanced Wireless Frequency: 433 MHz).
【Large Backlit Display & Touchscreen】Temperature and humidity monitor with 4'' Large LCD backlit display records outdoor and indoor temperature and humidity. Touchscreen design is easy to turn on the backlight to to make it clear and easy to read at night, 12 seconds auto-off. Automatic clearing of temperature and humidity MAX/MIN value records..
【328ft/ 100m Remote Range】Digital hygrometer temperature gauge with a range of up to 328ft./100m can connect up to 3 Wireless Sensors(only one included) to ensure you can monitor multiple locations at once, such as your bedroom, nursery and outdoor temperature..
【Multiple Installation Ways】This Room Thermometer for Home suport base stand & wall hanging, very convient to place.【NOTE: The station need 2* AAA Battery.
Sensor need 2*AAA Battery.(not included). When the sensor shows the low battery icon, that means you need to change the new batt....

Check Stock