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Under $20 Hygrometers

Shop the best prices on 7,291 great value under $20 hygrometers. Shopping for hygrometers is easy with Fruugo, with SALE discounts, offers and savings on Ydcy, Elsavct, Lycxames 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
6Pack for DHT22 for AM2302 Temperature and Humidity Sensor Module with Cable for Arduino and Raspberry Pi
$14.95 Save $9.00 RRP: $23.95
High-Accuracy Temperature and Humidity Sensor Telecommunications Room Monitoring Device Transmitter 0-10V Voltage BG2010
$9.95
Tuya WiFi Temperatures Humidity Sensor with External Probe Wireless Temperatures App Monitor for Freezer Fish Tank
$14.95 Save $29.00 RRP: $43.95
Relay Compatible with Leer 35A Potential Relay for Refrigeration, HVAC Systems - Compatible with Fr
$14.95 Save $5.00 RRP: $19.95
6Pack Mini Hygrometer Indoor Humidity Meter Hygrometer Digital Thermometers Humidity with () for G 25-26
$8.95 Save $9.00 RRP: $17.95
PT100 Sensor Temperature Control Thermocouple Probe 1M 3.3ft
$9.95
Relay Compatible with Leer 35A Potential Relay for Refrigeration, HVAC Systems - Compatible with Freezers and Coolers
$15.95 Save $9.00 RRP: $24.95
Mini Digital LCD Thermometer Hygrometer Temperature Meter Humidity Indoor New
$6.95 Save $1.00 RRP: $7.95
Sauna Furnace External Control Probe Wire Temperature Control Probe
$13.95 Save $9.00 RRP: $22.95
Soil Digital Temperature & Humidity Sensor Probe Waterproof Stainless Steel Case (SHT31)-Good Ydcy
$14.95 Save $8.00 RRP: $22.95
3x Tuya Wifi Temperature and Humidity Sensor Indoor Thermometer Hygrometer
$10.95 Save $10.00 RRP: $20.95
Hygrometer for Sauna Daily Temperature and Humidity Monitoring Tool
$10.95 Save $22.00 RRP: $32.95
Tuya Wifi Temperature Humidity Sensor Meter Indoor Hygrometer Thermometer Smart Life App Control
$2.95 Save $9.00 RRP: $11.95
Tuya WiFi Temperature Humidity Sensor Smart Life Backlight Hygrometer Thermometer Sensor Mobile Phone Remote Monitoring
$16.95 Save $11.00 RRP: $27.95
2 in 1 Thermometer Hygrometer for Indoor Office Home Room Outdoor Classic unbrand
$18.95
Hygrometer gauge for indoor temperature and humidity monitoring
$20.95 Save $43.05 RRP: $64.00
Ac 16a 250v 50 To 300 Celsius Degree 3 Pin Nc Capillary Thermostat For Electric Oven-MXBC
$7.95 Save $9.00 RRP: $16.95
SO-45 AC 0-300V Round Analog Dial Panel Meter Voltmeter Gauge Accurate for Phone Maintenance Machinery Lightweight Black Other
$20.95
Indoor Thermometer Hygrometer Pointer Wall Vertical Hygrometer Red Water Long White Bar Hanging Thermometer
$12.95 Save $4.00 RRP: $16.95
Tuya Smart Temperature Humidity Sensor WiFi APP Remote Monitor for Smart Home Works with Alexa Google Home
$14.95 Save $23.00 RRP: $37.95
Modbus RTU SHT30 Sensors Module -40-125 0-100%RH for Industrial Monitoring
$19.95
Temperature Humidity Wireless Sensor Hygrometer
$8.95 Save $14.00 RRP: $22.95
ZKU15 Voltage Current Testing Meter LCD Digital Display Multifunctional Volt Ammeter
$18.95 Save $40.05 RRP: $59.00
220V -20-199'C Square Digital Temperature Meter with Long for Professional and Household Applications Yellow
$18.95
220V -20-199'C Square Digital Temperature Meter with Long for Professional and Household Applications Yellow
$18.95
0-99999 LCD Digital Display Electronic Counter Punch Magnetic
$15.95 Save $11.00 RRP: $26.95
70ml Aluminum Herb Stash Jar Airtight Smell Proof Herbs Spices Storage Canister
$10.95 Save $14.00 RRP: $24.95
Mini Digital Hygrometer Gauge Indoor Thermometer LCD Monitor Temperature Outdoor Humidity Meter for Humidors Greenhouse Multicolor
$21.95
Mini Digital Hygrometer Gauge Indoor Thermometer LCD Monitor Temperature Outdoor Humidity Meter for Humidors Greenhouse
$20.95
Temperature and Humidity Sensor High Accuracy Quick Response Dew Point Transmitter DC12‑24V
$18.95 Save $9.00 RRP: $27.95
DC5-28V RS485 Temperature and Humidity Transmitter Modbus XY-MD03 Collector Temperature and Humidity -Pe Head
$12.95 Save $6.00 RRP: $18.95
Thermometer Hygrometer Pointer Type Full Metal Multifunction Indoor Thermometer for Baby's Room Hospital Pharmacy
$14.95 Save $5.00 RRP: $19.95