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Under $20 Transducers

Shop the best prices on 1,151 great value under $20 transducers. Shopping for transducers is easy with Fruugo, with SALE discounts, offers and savings on Tcgg. Buy transducers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 1,151
Low Cost Capacitive Contact Typle Designed Liquid Level Switch Level Sensor for Both Metal and Non-Metallic Tank A
$13.95
IR Flame Sensor Module 2 Way Fire Detection Sensor Board with Wide Voltage LM393 Comparator
$20.95 Save $25.00 RRP: $45.95
AZ7795G 18dbi High Gain 5G Antenna SMA Omni Directional Full Band Antenna for Routers Wireless Monitoring
$20.95 Save $25.00 RRP: $45.95
PT100 Thermal Resistance RTD Temperature Sensor Transmitter RS485 MODUBS RTU Module
$11.95
BERM Proximity Switch PNP DC 3Wire LED Chip Flushed Inductive Sensor DC1030V PL05P
$20.95 Save $6.00 RRP: $26.95
XGZP6847A Air Pressure Oxygen Generator Sensor 0.5-4.5V mitter Module 0-100KPa Sensor mitter
$12.95 Save $66.05 RRP: $79.00
PDC Parking Sensor for Mercedes-Benz W176 W246 W242 X204 R231 A0009050342
$15.95 Save $14.00 RRP: $29.95
5 Pack Waterproof Temperature Sensor Probes with 2 Pack 4.7K Ohm Resistors for DIY
$15.95 Save $3.00 RRP: $18.95
BERM Approach Switch Sensor Cylindrical 3‑Wire Power Control Equipment PRL18‑8DN 10-30VDC
$16.95 Save $11.00 RRP: $27.95
10PCS 27mm Sounder Sensor Trigger Drum Disc + wire copper Piezo Elements
$20.95 Save $98.05 RRP: $119.00
8Pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch
$14.95 Save $2.00 RRP: $16.95
2X XGZP6847A Air Pressure Oxygen Generator Sensor 0.5-4.5V Transmitter Module 0-100KPa Sensor Transmitter
$20.95
2X PT100 0-200 Degree Temperature Sensing Transmitter 4-20MA Output Head Mounted Temperature Transmitter
$20.95
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$16.95
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$19.95
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$19.95
Xkc-y26-v Non-contact Water Liquid Level Sensor Induction Switch Detector 5-24v Shytmv - Ffy unbrand
$3.95 Save $3.00 RRP: $6.95
Analog Tds Sensor Tds Meter Water Conductivity Sensor Tester unbrand
$10.95 Save $7.00 RRP: $17.95
2 Pcs Buzzer Alarm Electronic Beep Buzzer Dc 3v 12v 24v Active Piezo Buzzer 100db Tone Alarm Ringer Continous Sound
$13.95 Save $37.00 RRP: $50.95
10pcs 41f/0h41/sh41/ss41f/s41 Bipolar Hall Element Sensor To-92ua Printing 41f
$13.95
BERM PR18-5DN Proximity Switch Inductive 3 Wire NO NPN Sensor Internal Amplifier Switch 10~30VDC 5mm
$19.95 Save $12.00 RRP: $31.95
TCGG-Lot de 30 presse-toupes en plastique tanche - PG7, PG9, PG11, PG13.5, PG16, PG19 - 3,5-15 mm Tcgg
$17.95 Save $32.00 RRP: $49.95
1pc DF9-40 High Precise Resistance Type Thin Film Pressure Sensor Force Sensor (0-5kg)
$17.95 Save $41.05 RRP: $59.00
1pc DF9-40 High Precise Resistance Type Thin Film Pressure Sensor Force Sensor (0-500g)
$20.95 Save $38.05 RRP: $59.00
Hall Current Detection Module ACS712 Hall Current Sensors Module for DIY Electronics and Robotics 30
$9.95 Save $2.00 RRP: $11.95
Sn04-n Dc 10-30v Npn 3-wire 4mm Approach Sensor Inductive Proximity Switch PXCL
$10.95 Save $8.00 RRP: $18.95
Optical Turbidity Sensor Module Advanced Water Turbidity Sensor Module for Accurate Confusion Detection unbrand
$19.95 Save $14.00 RRP: $33.95
For Anycubic 2 Series Proximity Switch Auto Leveling Position Sensor
$13.95 Save $8.00 RRP: $21.95
5Pcs -SR04 Ultrasonic Sensor, Distance Sensor with Ultrasonic Transmitter and Receiver Module for Ar-Duino
$20.95 Save $6.00 RRP: $26.95
For Air Flow Sensor Adapter Intake Meter Mount Base - 75mm For Mazda Subaru Suzuki, Car Adapter unbrand
$5.95 Save $2.00 RRP: $7.95
Digital Load Cell Weight Sensor-4 Sets 1kg Load Cell Hx711 Ad Weighit Amplifier Module Pressure Sens unbrand
$15.95 Save $10.00 RRP: $25.95
XGZP6847A Air Pressure Oxygen Generator Sensor 0.5-4.5V Transmitter Module 0-100KPa Sensor Transmitt
$13.95 Save $3.00 RRP: $16.95