Filters

Under $20 Hygrometers

Shop the best prices on 3,377 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.

Filters
1 - 32 of 3,200
Relay Compatible with Leer 35A Potential Relay for Refrigeration, HVAC Systems - Compatible with Fr
$20.95 Save $6.00 RRP: $26.95
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
12Pack Mini Hygrometer Indoor Humidity Meter Hygrometer Digital Thermometers Humidity with () for G 1031 szbym02
$19.95 Save $44.05 RRP: $64.00
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
New Digital LCD Indoor Thermometer Hygrometer Humidity Meter Monitor Sensor Office
$20.95 Save $6.00 RRP: $26.95
Digital LCD Thermometer, Mini Circular Embedded Digital Hygrometer Humidity Temperature Meter Indoor(Black)
$19.95 Save $25.00 RRP: $44.95
Vdo 1/2 Npt 21Mm Thread Engine Oil Temperature Sensor Water Temperature Sensor For Generator Set
$14.95
Type K Thermocouple Wire Lead for Digital Thermometer
$7.95
Intelligent Thermometer Hygrometer Meter Multi Function Clock Digital Display Weather Station Sensor for Home
$14.95 Save $7.00 RRP: $21.95
ZigBee Humidity and Temperature Sensor Smart Hygrometer Thermometer Remote Monitoring and Alerts Smart Home
$17.95 Save $9.00 RRP: $26.95
DHT21/AM2301 Capacitive Digital Temperature and Humidity Sensor, DHT21 Temperature Humidity Sensor Module 2pack
$17.95 Save $9.00 RRP: $26.95
6Pack Mini Hygrometer Indoor Humidity Meter Hygrometer Digital Thermometers Humidity with () for Gr
$20.95 Save $98.05 RRP: $119.00
Cigar Hygrometer Analog Cigar Humidor Hygrometer Mechanical Round Hygrometer Humidity Gauge for Humidor Cigar Cabinet Cigar Cans Wonderful
$18.95 Save $6.00 RRP: $24.95
Mini Hygrometer Thermometer Digital Indoor Humidity Gauge Monitor with Temperature Meter Sensor Fahrenheit ()
$18.95 Save $60.05 RRP: $79.00
Medidor de pH para agua hidropnica, medidor digital de pH 0.01, tama?o de bolsillo de alta precisin con rango de medicin de 0-14 pH para beber en el h
$20.95 Save $13.00 RRP: $33.95
3x Tuya Wifi Temperature And Humidity Sensor Indoor Thermometer Hygrometer unbrand
$8.95 Save $5.00 RRP: $13.95
5 Pack Mini Digital LCD Display Temperature Humidity Meter Sensor Wall Mounted Indoor Room Weather
$14.95
4 Pack WiFi Temperature Humidity Sensor for Indoor Home, Pet Care, Greenhouse Monitoring, Smart Wireless Device Edition 1128
$18.95 Save $45.05 RRP: $64.00
4 Way Multi-Function Key, Convenient Universal Cabinet Key, Universal Cross Key for Water and Electricity Meters, Radiators, Gas Meters, Elevators (Si
$16.95 Save $9.00 RRP: $25.95
Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Humidity and Temperature Monitor
$21.95 Save $11.00 RRP: $32.95
Hygrometer Analog Hygrometer Mechanical Round Hygrometer Humidity Gauge
$19.95 Save $24.00 RRP: $43.95
Smart Wifi Temperature and Humidity Sensor for Home Iot Device
$20.95
Non-Contact Mini Infrared Thermometer IR Temperature Measuring Digital LCD Display Infrared Thermom
$19.95 Save $54.05 RRP: $74.00
Digital LCD Hygrometer Indoor Thermometer Humidity Monitor for Home, Office, Greenhouse (Black)
$16.95 Save $5.00 RRP: $21.95