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Under $20 Hygrometers

Shop the best prices on 4,362 great value under $20 hygrometers. Shopping for hygrometers is easy with Fruugo, with SALE discounts, offers and savings on Lycxames, Shanghai Yangxin, Atuman and more. Buy hygrometers online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 3,200
Relay Compatible with Leer 35A Potential Relay for Refrigeration, HVAC Systems - Compatible with Fr
$14.95 Save $5.00 RRP: $19.95
6Pack for DHT22 for AM2302 Temperature and Humidity Sensor Module with Cable for Arduino and Raspberry Pi
$14.95 Save $8.00 RRP: $22.95
High-Accuracy Temperature and Humidity Sensor Telecommunications Room Monitoring Device Transmitter 0-10V Voltage BG2010
$9.95
2 in 1 Thermometer Hygrometer for Indoor Office Home Room Outdoor Classic unbrand
$18.95
12Pack Mini Hygrometer Indoor Humidity Meter Hygrometer Digital Thermometers Humidity with () for G 1031 szbym02
$14.95 Save $32.00 RRP: $46.95
PT100 Sensor Temperature Control Thermocouple Probe 1M 3.3ft
$9.95
Sauna Furnace External Control Probe Wire Temperature Control Probe
$13.95 Save $9.00 RRP: $22.95
Relay Compatible with Leer 35A Potential Relay for Refrigeration, HVAC Systems - Compatible with Freezers and Coolers
$15.95 Save $9.00 RRP: $24.95
Tuya WiFi Temperature Humidity Sensor Smart Life Backlight Hygrometer Thermometer Sensor Mobile Phone Remote Monitoring
$16.95 Save $11.00 RRP: $27.95
0.28" Digital Temperature Meter with 1m NTC Metal Probe -20~100 Portable
$18.95
BERM K Type Screw Thermocouple Temperature Sensor Detector Gauge M6 Screw Thread 2 Wire Probe 2meter
$16.95 Save $18.00 RRP: $34.95
YS-11 Wireless Digital Meter Temperature Humidity Thermometer Hygrometer
$15.95 Save $15.00 RRP: $30.95
Temperature Humidity Meter, Indoor Thermometer Humidity Meter with LCD Digital Display, Thermometer Hygrometer Monitor BP9CL
$19.95 Save $18.00 RRP: $37.95
Dial Type Thermometer Hygrometer, Indoor Outdoor Thermometer Hygrometer Mini Hygrometer for Humidors Greenhouse Garden Home Safe ZWWVY
$16.95 Save $18.00 RRP: $34.95
Indoor Hygrometer Humidity Gauge Indicator Humidity Monitor Analog Hygrometer
$20.95
Sauna Thermometer Metal Dial Indoor Thermometer Hygrometer Hygro-thermometer Sauna Room Accessory Temp Monitor Gauge Multi
$19.95
Digital Thermometer Hygrometer Indoor Room Square Temperature Humidity Meter Gauge Monitor Large LCD Display Celsius
$19.95
Intelligent Thermometer Hygrometer Meter Multi Function Clock Digital Display Weather Station Sensor for Home unbrand
$11.95
Humidity Monitoring Thermohygrometer For Greenhouse Use White Plastic Material 1Pcs
$14.95 Save $7.00 RRP: $21.95
Temperature Humidity Meter LCD Hygrometer Thermometer for Violin Guitar Ukulele(Black)
$14.95 Save $4.00 RRP: $18.95
High Precision Sensor Pointer Hygrothermograph Multiple Use Thermometer Hygrometer for Sauna (Golden)
$18.95 Save $45.05 RRP: $64.00
Indoor Vertical Thermometer Hygrometer Wall-mounted Household Greenhouse Temperature and Humidity Meter for Room Temp
$14.95 Save $5.00 RRP: $19.95
Cute Electronic Digital Thermometers Hygrometer Magnetic Attachment And ABS Construction Indoor White
$18.95
NSHT30 Digital Temperature and Humidity Sensory Module for SHT30 Electronic Environmental Monitoring Replacement Multicolor
$19.95
Energy Saving Digital Thermometers Hygrometer Magnetic Back Standalone Placement LCD Display Comfort Indicator White
$18.95
Household Analog Thermometerwall-mounted Pointer Home Baby Room Indoor Temperature And Humidity Meter Pointer Thermometer Hygrometer
$20.95 Save $93.05 RRP: $114.00
Tuya Temperature and Humidity Sensor Wireless Tuya Zigbee Temperature and Humidity Meter Smart Detector
$18.95
2403 Rechargeable Thermometer and Hygrometer Indoor Thermometer and Hygrometer Backlight Display Face Thermometer
$16.95
Digital Monitor Hygrometer Thermometer Indoor Room Home Green
$16.95
Digital Thermometer Hygrometer / High Low Temperature Automatic Alarm Digital Storage Function Meter with LCD Screen
$17.95 Save $10.00 RRP: $27.95
LCD Digital Thermograph Hygrometer Thermostat Indoor Convenient Temperature Sensory Humidity Meter Gauge Instrument White
$20.95
Digital LCD Screen Indoor Convenient Temperature Sensory Humidity Meter Thermograph Hygrometer Gauge Portable White
$19.95