Shop humidity sensor with alarm

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$333.28
Extech SD500 Humidity And Temperature Datalogger
Amazon.com
8
Free shipping
$333.28
Extech SD500 Humidity And Temperature Datalogger
Amazon.com
8
$84.70
Traceable Thermohygrometer With Alarm, Ambient Sensor | Cole-Parmer
Cole-Parmer
$84.70
Traceable Thermohygrometer With Alarm, Ambient Sensor | Cole-Parmer
Cole-Parmer
$104.40
Traceable Thermohygrometer With Alarm, External Sensor | Cole-Parmer
Cole-Parmer
$104.40
Traceable Thermohygrometer With Alarm, External Sensor | Cole-Parmer
Cole-Parmer
$54.95
HT1 Smart Temperature Sensor And Humidity Sensor - Bluetooth Thermometer And Hygrometer With App Monitoring - Indoor/Outdoor Temperature And Humidity
Amazon.com
4K+
Free shipping
$54.95
HT1 Smart Temperature Sensor And Humidity Sensor - Bluetooth Thermometer And Hygrometer With App Monitoring - Indoor/Outdoor Temperature And Humidity
Amazon.com
4K+
$89.00
Watchdog Home Monitor - Water, Temperature, Humidity, And Power Outage Alarm Sensor With Wifi
Amazon.com
85
Free shipping
$89.00
Watchdog Home Monitor - Water, Temperature, Humidity, And Power Outage Alarm Sensor With Wifi
Amazon.com
85
$149.00
Temp Stick Remote Wifi Temperature & Humidity Sensor, Data Logger. No Subscription. 24/7 Monitor, Unlimited Text, App & Email Alerts. Made In America.
Amazon.com
3K+
Free shipping
$149.00
Temp Stick Remote Wifi Temperature & Humidity Sensor, Data Logger. No Subscription. 24/7 Monitor, Unlimited Text, App & Email Alerts. Made In America.
Amazon.com
3K+
$66.49
$89.99
Govee Wifi Thermometer Hygrometer 2Pack H5103, Indoor Temperature Humidity Sensor With Electronic Ink Display, App Notification Alert, Free Data
Amazon.com
976
Free shipping
26% off
$66.49
$89.99
Govee Wifi Thermometer Hygrometer 2Pack H5103, Indoor Temperature Humidity Sensor With Electronic Ink Display, App Notification Alert, Free Data
Amazon.com
976
$12.79
Digital Thermometer Hygrometer Indoor Outdoor Temperature Meter Humidity Monitor With LCD Alarm Clock, 1m Probe Cord Temperature Humidity Gauge For
Amazon.com
70
$12.79
Digital Thermometer Hygrometer Indoor Outdoor Temperature Meter Humidity Monitor With LCD Alarm Clock, 1m Probe Cord Temperature Humidity Gauge For
Amazon.com
70
$49.50
Traceable Monitoring Hygrometer, 4.5625" X 0.5625" | Cole-Parmer
Cole-Parmer
$49.50
Traceable Monitoring Hygrometer, 4.5625" X 0.5625" | Cole-Parmer
Cole-Parmer
$249.00
Extech RH390 Precision Psychrometer With Humidity, Temperature, Dew Point And Wet Bulb - Dual Probe Digital Meter With High Accuracy, Fast Response,
Amazon.com
41
Free shipping
$249.00
Extech RH390 Precision Psychrometer With Humidity, Temperature, Dew Point And Wet Bulb - Dual Probe Digital Meter With High Accuracy, Fast Response,
Amazon.com
41
$69.95
$79.95
La Crosse Online Temperature And Humidity Wireless Alert Sensor With Wet Probe
Vintage Cellars Official
12% off
$69.95
$79.95
La Crosse Online Temperature And Humidity Wireless Alert Sensor With Wet Probe
Vintage Cellars Official
$54.99
Protmex Digital Temperature Humidity Meter, Thermometer Hygrometer With Ambient Dew Point And Wet Bulb Temperature Indoor And Outdoor, Data Logger
Amazon.com
153
Free shipping
$54.99
Protmex Digital Temperature Humidity Meter, Thermometer Hygrometer With Ambient Dew Point And Wet Bulb Temperature Indoor And Outdoor, Data Logger
Amazon.com
153
$89.99
Sensorpush HTP.Xw Smart Temperature Sensor & Humidity Sensor - Bluetooth Thermometer, Barometer, & Hygrometer With App Monitoring - Premium Barometric
Amazon.com
834
Free shipping
$89.99
Sensorpush HTP.Xw Smart Temperature Sensor & Humidity Sensor - Bluetooth Thermometer, Barometer, & Hygrometer With App Monitoring - Premium Barometric
Amazon.com
834
$39.99
Copeland - Sensi Smart Temperature And Humidity Sensor - White
Best Buy
Free shipping
$39.99
Copeland - Sensi Smart Temperature And Humidity Sensor - White
Best Buy
Free shipping
$51.44
Digi-Sense Precalibrated Humidity And Temperature Indicator With External Probe, 4.5625" X 0.5625" | Cole-Parmer
Cole-Parmer
$51.44
Digi-Sense Precalibrated Humidity And Temperature Indicator With External Probe, 4.5625" X 0.5625" | Cole-Parmer
Cole-Parmer
$79.98
$99.99
Govee Wifi Hygrometer Thermometer 6 Pack H5100, Indoor Wireless Temperature Humidity Sensor Monitor With Remote App Notification Alert, 2 Years Data
Amazon.com
1K+
Free shipping
20% off
$79.98
$99.99
Govee Wifi Hygrometer Thermometer 6 Pack H5100, Indoor Wireless Temperature Humidity Sensor Monitor With Remote App Notification Alert, 2 Years Data
Amazon.com
1K+
$16.00
Liberty Safe Humidity And Temperature Monitor Hygrometer
Amazon.com
246
$16.00
Liberty Safe Humidity And Temperature Monitor Hygrometer
Amazon.com
246
$35.99
$39.99
Govee Bluetooth Hygrometer Thermometer, Wireless Thermometer, Mini Humidity Sensor With Notification Alert, Data Storage And Export, 262 Feet
Amazon.com
12K+
Free shipping
10% off
$35.99
$39.99
Govee Bluetooth Hygrometer Thermometer, Wireless Thermometer, Mini Humidity Sensor With Notification Alert, Data Storage And Export, 262 Feet
Amazon.com
12K+
$13.99
Hiletgo 2Pcs DHT22/AM2302 Digital Temperature And Humidity Sensor Module Temperature Humidity Monitor Sensor Replace SHT11 SHT15 For Arduino
Amazon.com
583
$13.99
Hiletgo 2Pcs DHT22/AM2302 Digital Temperature And Humidity Sensor Module Temperature Humidity Monitor Sensor Replace SHT11 SHT15 For Arduino
Amazon.com
583
$20.82
$28.99
Thermopro TP49 3 Pieces Digital Hygrometer Indoor Thermometer Humidity Meter Mini Hygrometer With Temperature And Humidity Monitor Outdoor And Room
Amazon.com
1K+
28% off
$20.82
$28.99
Thermopro TP49 3 Pieces Digital Hygrometer Indoor Thermometer Humidity Meter Mini Hygrometer With Temperature And Humidity Monitor Outdoor And Room
Amazon.com
1K+
$194.00
Hioki LR9504 Temperature/Humidity Sensor, -4F To 18F, (40MM) For LR5001
Transcat
$194.00
Hioki LR9504 Temperature/Humidity Sensor, -4F To 18F, (40MM) For LR5001
Transcat
$31.49
$34.99
Govee Indoor Hygrometer Thermometer 3 Pack, Bluetooth Humidity Temperature Gauge With Large LCD Display, Notification Alert With Max Min Records, 2
Amazon.com
41K+
10% off
$31.49
$34.99
Govee Indoor Hygrometer Thermometer 3 Pack, Bluetooth Humidity Temperature Gauge With Large LCD Display, Notification Alert With Max Min Records, 2
Amazon.com
41K+
$41.95
La Crosse Technology WS-9160UV3 Digital Indoor Outdoor Thermometer Wireless - Multi-Format Remote Temperature Sensor, Temperature Humidity Monitor
Amazon.com
8K+
Free shipping
$41.95
La Crosse Technology WS-9160UV3 Digital Indoor Outdoor Thermometer Wireless - Multi-Format Remote Temperature Sensor, Temperature Humidity Monitor
Amazon.com
8K+
$226.20
ACI | A/RH2-AN-BC-O | Oat/Rh Sensor | Humidity - Humidity Temperature
Kele
$226.20
ACI | A/RH2-AN-BC-O | Oat/Rh Sensor | Humidity - Humidity Temperature
Kele
$26.90
Timloon Indoor Outdoor Digital Thermometer Hygrometer With 3 Wireless Sensors, 4.7 Inch Display Temperature Humidity Monitor With 330ft Range Remote
Amazon.com
16
$26.90
Timloon Indoor Outdoor Digital Thermometer Hygrometer With 3 Wireless Sensors, 4.7 Inch Display Temperature Humidity Monitor With 330ft Range Remote
Amazon.com
16
$95.45
Monnit Corporation MNS2-9-W1-HU-RH ALTA WIRELESS HUMIDITY SENSOR -
DigiKey
$95.45
Monnit Corporation MNS2-9-W1-HU-RH ALTA WIRELESS HUMIDITY SENSOR -
DigiKey
$227.41
$236.00
Lascar EL-Wifi-TH+ Accuracy Temperature Humidity Data Logging Sensor
Test Equipment Depot
$227.41
$236.00
Lascar EL-Wifi-TH+ Accuracy Temperature Humidity Data Logging Sensor
Test Equipment Depot
$93.95
$98.03
Humidity/Temperature Monitor With Remote Temperature Sensor
MSE Supplies
$93.95
$98.03
Humidity/Temperature Monitor With Remote Temperature Sensor
MSE Supplies
$199.99
Level Sense Pro - Sump Pump High Water Alarm, Wi-Fi Enabled, Temperature, Humidity, & Leak Detection
Sump Pumps Direct
8
$199.99
Level Sense Pro - Sump Pump High Water Alarm, Wi-Fi Enabled, Temperature, Humidity, & Leak Detection
Sump Pumps Direct
8
$225.00
Hioki LR9503 Temperature/Humidity Sensor, -4F To 18F, (10M) For LR5001
Transcat
$225.00
Hioki LR9503 Temperature/Humidity Sensor, -4F To 18F, (10M) For LR5001
Transcat
$69.99
FLIR Extech 445715 HUMIDITY ALERT WITH REMOTE PROBE
DigiKey
$69.99
FLIR Extech 445715 HUMIDITY ALERT WITH REMOTE PROBE
DigiKey
$13.99
$21.99
T1 Temperature And Humidity Sensor- Requires Aqara Hub, Supports Apple Homekit, Alexa, Google, Smartthings - White
Best Buy
51
36% off
$13.99
$21.99
T1 Temperature And Humidity Sensor- Requires Aqara Hub, Supports Apple Homekit, Alexa, Google, Smartthings - White
Best Buy
51
$209.00
$245.00
Marcell Pro - Temperature, Humidity & Power Monitor - 4G Cellular Connected Multisensor
Sensored Life
11
14% off
$209.00
$245.00
Marcell Pro - Temperature, Humidity & Power Monitor - 4G Cellular Connected Multisensor
Sensored Life
11
$99.00
$223.00
Marcell - Temperature, Humidity & Power Monitor - 4G Cellular Connected Multisensor
Sensored Life
245
55% off
$99.00
$223.00
Marcell - Temperature, Humidity & Power Monitor - 4G Cellular Connected Multisensor
Sensored Life
245
$75.24
$79.20
Hygrometer Air Temperature And Humidity Sensor Humiditysensor By Blebox
Wired4Signs
$75.24
$79.20
Hygrometer Air Temperature And Humidity Sensor Humiditysensor By Blebox
Wired4Signs
$149.59
ACI | A/RH3-R | 3% Accuracy RH Humidity Sensor | Room Zone Wall Humidity Sensor
Blackhawk Supply
$149.59
ACI | A/RH3-R | 3% Accuracy RH Humidity Sensor | Room Zone Wall Humidity Sensor
Blackhawk Supply
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    Shop humidity sensor with alarm

    Sponsored
    About our ads
    $333.28
    Extech SD500 Humidity And Temperature Datalogger
    Amazon.com
    8
    Free shipping
    $333.28
    Extech SD500 Humidity And Temperature Datalogger
    Amazon.com
    8
    $84.70
    Traceable Thermohygrometer With Alarm, Ambient Sensor | Cole-Parmer
    Cole-Parmer
    $84.70
    Traceable Thermohygrometer With Alarm, Ambient Sensor | Cole-Parmer
    Cole-Parmer
    $104.40
    Traceable Thermohygrometer With Alarm, External Sensor | Cole-Parmer
    Cole-Parmer
    $104.40
    Traceable Thermohygrometer With Alarm, External Sensor | Cole-Parmer
    Cole-Parmer
    $54.95
    HT1 Smart Temperature Sensor And Humidity Sensor - Bluetooth Thermometer And Hygrometer With App Monitoring - Indoor/Outdoor Temperature And Humidity
    Amazon.com
    4K+
    Free shipping
    $54.95
    HT1 Smart Temperature Sensor And Humidity Sensor - Bluetooth Thermometer And Hygrometer With App Monitoring - Indoor/Outdoor Temperature And Humidity
    Amazon.com
    4K+
    $89.00
    Watchdog Home Monitor - Water, Temperature, Humidity, And Power Outage Alarm Sensor With Wifi
    Amazon.com
    85
    Free shipping
    $89.00
    Watchdog Home Monitor - Water, Temperature, Humidity, And Power Outage Alarm Sensor With Wifi
    Amazon.com
    85
    $149.00
    Temp Stick Remote Wifi Temperature & Humidity Sensor, Data Logger. No Subscription. 24/7 Monitor, Unlimited Text, App & Email Alerts. Made In America.
    Amazon.com
    3K+
    Free shipping
    $149.00
    Temp Stick Remote Wifi Temperature & Humidity Sensor, Data Logger. No Subscription. 24/7 Monitor, Unlimited Text, App & Email Alerts. Made In America.
    Amazon.com
    3K+
    $66.49
    $89.99
    Govee Wifi Thermometer Hygrometer 2Pack H5103, Indoor Temperature Humidity Sensor With Electronic Ink Display, App Notification Alert, Free Data
    Amazon.com
    976
    Free shipping
    26% off
    $66.49
    $89.99
    Govee Wifi Thermometer Hygrometer 2Pack H5103, Indoor Temperature Humidity Sensor With Electronic Ink Display, App Notification Alert, Free Data
    Amazon.com
    976
    $12.79
    Digital Thermometer Hygrometer Indoor Outdoor Temperature Meter Humidity Monitor With LCD Alarm Clock, 1m Probe Cord Temperature Humidity Gauge For
    Amazon.com
    70
    $12.79
    Digital Thermometer Hygrometer Indoor Outdoor Temperature Meter Humidity Monitor With LCD Alarm Clock, 1m Probe Cord Temperature Humidity Gauge For
    Amazon.com
    70
    $49.50
    Traceable Monitoring Hygrometer, 4.5625" X 0.5625" | Cole-Parmer
    Cole-Parmer
    $49.50
    Traceable Monitoring Hygrometer, 4.5625" X 0.5625" | Cole-Parmer
    Cole-Parmer
    $249.00
    Extech RH390 Precision Psychrometer With Humidity, Temperature, Dew Point And Wet Bulb - Dual Probe Digital Meter With High Accuracy, Fast Response,
    Amazon.com
    41
    Free shipping
    $249.00
    Extech RH390 Precision Psychrometer With Humidity, Temperature, Dew Point And Wet Bulb - Dual Probe Digital Meter With High Accuracy, Fast Response,
    Amazon.com
    41
    $69.95
    $79.95
    La Crosse Online Temperature And Humidity Wireless Alert Sensor With Wet Probe
    Vintage Cellars Official
    12% off
    $69.95
    $79.95
    La Crosse Online Temperature And Humidity Wireless Alert Sensor With Wet Probe
    Vintage Cellars Official
    $54.99
    Protmex Digital Temperature Humidity Meter, Thermometer Hygrometer With Ambient Dew Point And Wet Bulb Temperature Indoor And Outdoor, Data Logger
    Amazon.com
    153
    Free shipping
    $54.99
    Protmex Digital Temperature Humidity Meter, Thermometer Hygrometer With Ambient Dew Point And Wet Bulb Temperature Indoor And Outdoor, Data Logger
    Amazon.com
    153
    $89.99
    Sensorpush HTP.Xw Smart Temperature Sensor & Humidity Sensor - Bluetooth Thermometer, Barometer, & Hygrometer With App Monitoring - Premium Barometric
    Amazon.com
    834
    Free shipping
    $89.99
    Sensorpush HTP.Xw Smart Temperature Sensor & Humidity Sensor - Bluetooth Thermometer, Barometer, & Hygrometer With App Monitoring - Premium Barometric
    Amazon.com
    834
    $39.99
    Copeland - Sensi Smart Temperature And Humidity Sensor - White
    Best Buy
    Free shipping
    $39.99
    Copeland - Sensi Smart Temperature And Humidity Sensor - White
    Best Buy
    Free shipping
    $51.44
    Digi-Sense Precalibrated Humidity And Temperature Indicator With External Probe, 4.5625" X 0.5625" | Cole-Parmer
    Cole-Parmer
    $51.44
    Digi-Sense Precalibrated Humidity And Temperature Indicator With External Probe, 4.5625" X 0.5625" | Cole-Parmer
    Cole-Parmer
    $79.98
    $99.99
    Govee Wifi Hygrometer Thermometer 6 Pack H5100, Indoor Wireless Temperature Humidity Sensor Monitor With Remote App Notification Alert, 2 Years Data
    Amazon.com
    1K+
    Free shipping
    20% off
    $79.98
    $99.99
    Govee Wifi Hygrometer Thermometer 6 Pack H5100, Indoor Wireless Temperature Humidity Sensor Monitor With Remote App Notification Alert, 2 Years Data
    Amazon.com
    1K+
    $16.00
    Liberty Safe Humidity And Temperature Monitor Hygrometer
    Amazon.com
    246
    $16.00
    Liberty Safe Humidity And Temperature Monitor Hygrometer
    Amazon.com
    246
    $35.99
    $39.99
    Govee Bluetooth Hygrometer Thermometer, Wireless Thermometer, Mini Humidity Sensor With Notification Alert, Data Storage And Export, 262 Feet
    Amazon.com
    12K+
    Free shipping
    10% off
    $35.99
    $39.99
    Govee Bluetooth Hygrometer Thermometer, Wireless Thermometer, Mini Humidity Sensor With Notification Alert, Data Storage And Export, 262 Feet
    Amazon.com
    12K+