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Under $20 Transducers

Shop the best prices on 2,228 great value under $20 transducers. Shopping for transducers is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Guangzhou Buqi Trading Co., Ltd, Joyy and more. Buy transducers online safely with Fruugo, with secure payment and fast shipping to Australia.

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1 - 32 of 2,228
1 Pcs CR18-8DN Capacitive Proximity Switch Sensor Quality
$13.95 Save $95.05 RRP: $109.00
SCT-013-000 Open-Close Current former SCT013 Non-Invasive AC Current Sensor Split Core Current
$12.95
Flexible Piezoelectric Film Sensor High Sensitive Polymer PVDF Piezoelectric Sensor Piezoelectric Film Force Sensor
$19.95 Save $3.00 RRP: $22.95
PT100 0-200 Degree Temperature Sensing mitter 4-20MA Output Head Mounted Temperature mitte
$13.95 Save $3.00 RRP: $16.95
IR Flame Sensor Module 2 Way Fire Detection Sensor Board with Wide Voltage LM393 Comparator
$17.95 Save $21.00 RRP: $38.95
2100--2700MHz Bluetooth WiFi LTe Dipole Antenna 2.1dB Gain Antenna Accessory
$21.95 Save $21.00 RRP: $42.95
5 pcs IR Flame Sensor Module Detector Smartsense For Detecting Flame
$21.95 Save $21.00 RRP: $42.95
AZ7795G 18dbi High Gain 5G Antenna SMA Omni Directional Full Band Antenna for Routers Wireless Monitoring
$17.95 Save $21.00 RRP: $38.95
5PCS NZ4GFPC005 Internal Antenna 2G 3G 4G High Gain FPC Antenna with IPEX Interface for GSM GPRS
$21.95 Save $21.00 RRP: $42.95
WiFi Wireless Omni Directional Thumb Antenna Network Router Antenna 5dbi Waterproof Antenna
$19.95 Save $21.00 RRP: $40.95
AC Current Detection Sensor Module 12V Relay Protection Module 5A Overcurrent Protection Switch Output
$21.95 Save $21.00 RRP: $42.95
Fiber Optic Sensor Diffuse Reflection Digital Optical Cable Probe Photoelectric Sensing Probe 1 Meter
$21.95 Save $21.00 RRP: $42.95
WIFI Antenna Internal 2400 MHz to 2500 MHz FPC Antenna FPC Soft Board 2.4g Flexible IPEX High Gain Antenna
$21.95 Save $21.00 RRP: $42.95
1pc DF9-40 High Precise Resistance Type Thin Film Pressure Sensor Force Sensor (0-5kg)
$19.95 Save $21.00 RRP: $40.95
1pc DF9-40 High Precise Resistance Type Thin Film Pressure Sensor Force Sensor (0-500g)
$19.95 Save $21.00 RRP: $40.95
2 Way Tracing Module Black White Line Detection Obstacle Avoidance Sensor for Smart Car
$19.95 Save $21.00 RRP: $40.95
AZ7795G 18dbi High Gain 5G Antenna SMA Omni Directional Full Band Antenna for Routers Wireless Monitoring
$21.95 Save $21.00 RRP: $42.95
10pcs Wifi Internal Antenna Stable 2.4g Transmission Strong Signal High Gain IPEX Interface Internal Antenna
$21.95 Save $21.00 RRP: $42.95
MD30-60 Thin Film Pressure Sensor Force Sensor 0~30KG Diameter 30mm
$21.95 Save $21.00 RRP: $42.95
TP‑002 2G 3G 4G 5G Antenna Full Band 8DBI High Gain Antenna WiFi Wireless Antenna for HouseholdWhite
$21.95 Save $21.00 RRP: $42.95
Lj18a3-8-z/bx 8mm Approach Sensor Inductive Proximity Npn No Switch Dc 6-36v
$17.95 Save $17.00 RRP: $34.95
PT100 Thermal Resistance RTD Temperature Sensor Transmitter RS485 MODUBS RTU Module
$10.95
Film Pressure Sensor Environmental Protection Oxidation Resistance Durability Force Sensor RPC30ST
$17.95 Save $5.00 RRP: $22.95
24G Human Presence Inductive Radar Millimeter Wave Motion Sensor Module LD2410B
$19.95 Save $8.00 RRP: $27.95
DC 3 Wire 6-36V PNP IR Photoelectric Sensor Switch 30cm E18-B03P1
$4.95 Save $2.00 RRP: $6.95
Turbidity Sensor Suspended Turbidity Value Detection Module Kit for
$18.95 Save $11.00 RRP: $29.95
BERM Approach Switch Sensor Cylindrical 3‑Wire Power Control Equipment PRL18‑8DN 10-30VDC
$14.95 Save $9.00 RRP: $23.95
10PCS 27mm Sounder Sensor Trigger Drum Disc + wire copper Piezo Elements
$17.95 Save $81.05 RRP: $99.00
8Pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch
$12.95 Save $2.00 RRP: $14.95
DPS310 Precision Barometric Pressure and Altitude Sensor
$18.95 Save $4.00 RRP: $22.95
Small Personal Safety Alarm for Women& Kids - Self Keychain
$12.95 Save $3.00 RRP: $15.95
Thin Film Pressure Sensor 0-20kg High Precise DF9-40 Resistance Type Force Sensor for Robotics Automation Testing
$11.95