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Under $20 Hygrometers

Shop the best prices on 3,374 great value under $20 hygrometers. Shopping for hygrometers is easy with Fruugo, with SALE discounts, offers and savings on Uiamuion, Shanghai Yangxin, Lycxames and more. Buy hygrometers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 3,200
High-Accuracy Temperature and Humidity Sensor Telecommunications Room Monitoring Device Transmitter 0-10V Voltage BG2010
$12.95
6Pack for DHT22 for AM2302 Temperature and Humidity Sensor Module with Cable for Arduino and Raspberry Pi
$19.95 Save $12.00 RRP: $31.95
Relay Compatible with Leer 35A Potential Relay for Refrigeration, HVAC Systems - Compatible with Fr
$20.95 Save $6.00 RRP: $26.95
Digital Humidity Controller Hygrometer Humidity Control Switch 0~99%Rh Hygrostat With Humidity Senso
$13.95 Save $15.00 RRP: $28.95
Tuya Wifi Temperature Humidity Sensor Meter Indoor Hygrometer Thermometer Smart Life App Control
$3.95 Save $13.00 RRP: $16.95
2025 LCD Round Shape Mini Humidity Temperature Meter Hygrometer Room Indoor Thermometer(Black)
$0.95 Save $1.00 RRP: $1.95
PT100 Sensor Temperature Control Thermocouple Probe 1M 3.3ft
$13.95
Mini Digital LCD Thermometer Hygrometer Temperature Meter Humidity Indoor New
$9.95 Save $1.00 RRP: $10.95
Sauna Furnace External Control Probe Wire Temperature Control Probe
$19.95 Save $12.00 RRP: $31.95
3x Tuya Wifi Temperature and Humidity Sensor Indoor Thermometer Hygrometer
$11.95 Save $24.00 RRP: $35.95
TempU 03 USB Reusable RH TEMP Datalogger Humiture Recording Meter
$20.95 Save $38.05 RRP: $59.00
12Pack Mini Hygrometer Indoor Humidity Meter Hygrometer Digital Thermometers Humidity with () for G 1031 szbym02
$19.95 Save $44.05 RRP: $64.00
I2C Enableds Digital Temperature Humidity Sensorings Module Easy Integration For Microcontroller Platforms Multicolor
$21.95
LCD Digital Hygrometer Thermometer Embedded Type Electronic Temperature and Humidity Meter with Prob
$21.95 Save $6.00 RRP: $27.95
Household Indoor High Precision Temperature Humidity Meter Thermometer Hygrometer Measure ToolTH108 White
$16.95 Save $9.00 RRP: $25.95
Square Digital Temperature Humidity Thermometer Hygrometer with Probe 1.5m Line(Black)
$19.95 Save $12.00 RRP: $31.95
Household Indoor High Precision Temperature Humidity Meter Thermometer Hygrometer Measure Tool
$16.95 Save $9.00 RRP: $25.95
Household Indoor High Precision Temperature Humidity Meter Thermometer Hygrometer Measure Tool
$16.95 Save $9.00 RRP: $25.95
Square Digital Temperature Humidity Thermometer Hygrometer with Probe 1.5m Line(Black)
$19.95 Save $12.00 RRP: $31.95
Hygrometer Thermometer Digital Humidity Temperature Monitor Gauge Alarm Clock
$11.95 Save $21.00 RRP: $32.95
Digital Hygrometer Thermometer - LCD Indoor Temperature Alarm Clock White
$12.95 Save $22.00 RRP: $34.95
Digital Hygrometer Thermometer Humidity Temperature Monitor
$15.95 Save $29.00 RRP: $44.95
Mini Digital LCD Thermometer Hygrometer Temperature Humidity Tester Portable Thermometer Thermo Hygrometer Indicator for Office Kitchen Humidors Incub
$13.95 Save $26.00 RRP: $39.95
Tire Inflator Hose Car Tire Hoses Inflator Rubber Air Hose Tyre Pressure Gauge Hose for Car Motorcycle Bicycle Tyre Pressure Gauge
$17.95 Save $33.00 RRP: $50.95
KKmoon Mini Indoor Thermometer Hygrometer with Digital LCD Display
$3.95 Save $7.00 RRP: $10.95
Mini Digital LCD Thermometer Hygrometer Humidity Temperature Meter Probe
$8.95 Save $15.00 RRP: $23.95
ANENG AP01 Thermohygrometer Electronic Clock Multiscene Measurement High Definition Screen Digital Air Thermometer Hygrometer
$17.95 Save $25.00 RRP: $42.95
Tuya Smart Zigbee Temperature Humidity Sensor Indoor Hygrometer APP Remote Real-Time Monitoring Works with Alexa Google
$18.95 Save $17.00 RRP: $35.95
Digital Hygrometer Thermometer with Clock Humidity Monitor Timer Alarm for Home Office Baby Room White
$15.95 Save $21.00 RRP: $36.95
White(B) Built-in Temperature and Humidity Meter Electronic Temperature and Humidity Meter FY-11 Dual Screen
$20.95
High-low Thermometer, Digital Hygrometer Monitors Temperature Fluctuations For Indoor Outdoor Use, Weatherproof With Flip-out Roof Offers Reliable
$19.95 Save $12.00 RRP: $31.95
Car Air Conditioning Outdoor Temperature Sensor 675000358 for Quattroporte 2017+
$19.95 Save $5.00 RRP: $24.95