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Under $20 Light Meters

Shop the best prices on 1,646 great value under $20 light meters. Shopping for light meters is easy with Fruugo, with SALE discounts, offers and savings on Asiv, Elsavct, Enshishixiaoweiyuejianwangluokejiyouxiangongsi and more. Buy light meters online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 1,646
For Penta Marine Tachometer Hour Meter LCD Display & Ribbon
$20.95 Save $20.00 RRP: $40.95
Digital Alcohols Tester, High Sensitivity Breath Testing Tool, Lightweight Precise Breathtester for Alcohols Testing
$22.95 Save $26.00 RRP: $48.95
PX640 Battery Adapter for Film Camera Exposure Meter Mercury Electro 35 HM-N
$9.95 Save $39.00 RRP: $48.95
PZEM-022 Digital Electronic Meter+Open CT 32A
$19.95
1Pcs MR-9 Battery Adapter for Film Camera & Exposure Meter MR9 PX625 PX13 Fits for LR44 1.4V Zinc A
$10.95 Save $22.00 RRP: $32.95
Scoliometer, Easy to Use Scoliosis Meter ABS Housing 0 to 30 Degree for Home Use Back and Spine Scoliosis Diagnosis-Yvan
$14.95 Save $11.00 RRP: $25.95
Digital Display Counter 22mm Hole Mount 0-999999 Square Counter Meter with Ventilation Hole Quick Response Counter Yellow
$18.95 Save $2.00 RRP: $20.95
3-in-1 Radiation Dosimeter Counter Geiger Emf Meter Automatic Alarm Real-time Measure Radiation Det
$10.95 Save $14.00 RRP: $24.95
3-In-1 Radiation Dosimeter Counter Geiger EMF Meter Automatic Alarm Real-Time Measure Radiation Dete
$18.95 Save $32.00 RRP: $50.95
Force Sensor Plastic Quick Response Industrial Equipment for Automobile Quality Detect
$13.95 Save $15.00 RRP: $28.95
2025 Latest Model 4pcs Spring Dynamometer Professional High Accuracy Bar
$20.95 Save $12.00 RRP: $32.95
[Upgrade] High-precision diamond tester Professional jeweler for beginners and experts - Diamond Selector II (Black Diamond Tester)
$17.95 Save $51.05 RRP: $69.00
Digital Display Counter 22mm Hole Mount 0-999999 Square Counter Meter with Ventilation Hole Quick Response Counter Yellow
$20.95
5pcs Couch Protector Furniture Cat Scratch Guards
$14.95 Save $8.00 RRP: $22.95
Digital pH Meter 0.01 High Precision, 0-14 Range for Aquarium Pool Lab Water Testing
$12.95 Save $51.05 RRP: $64.00
5-1PCS UVB Tester Reptile UVA UVB Fluorescent Lamp Tester Card Reptile Lamp UV Sensor 10 Seconds Quick Test Meter Pet Supplies
$0.95 Save $1.00 RRP: $1.95
LED Ohm Meter Coil Voltage Measuring 0.01-19.9Ω Resistance Tester
$12.95 Save $2.00 RRP: $14.95
2DU3 Silicon Photodiode Visible Light Detector Silicon Photocell Photoresistor
$14.95 Save $12.00 RRP: $26.95
Handheld EMF Meter Portable Electromagnetic Radiation Detector Household Laboratory Hospital Digital Electric Field Detector Multi-functional Radioac
$17.95 Save $11.00 RRP: $28.95
Multifunction Digital Meter Square 3-Digit Display AC Voltage Current Hertz TesterBlue
$14.95 Save $15.00 RRP: $29.95
Handheld Portable Densitometer Antifreeze Density Meter Dial Calibrate Car Radiator Coolant Tester ℃/℉ Temperature Measurement Tool
$9.95
Digital Illuminance Light Meter Tester 200,000Lux Meter Luxmeter Lighting Intensity Brightness Measu
$18.95 Save $27.00 RRP: $45.95
LTR390-UV Digital UV Sensor C-Type I2C Interface Can Measure Ambient Light Intensity
$20.95
TL90 LCD Digital Pitch Gauge Propeller Blades Angle Measurement Tool Backlight Gyro Sensor ST250-800 Size Helicopter
$19.95 Save $39.05 RRP: $59.00
High Precision Digital Tachometer with 0.56-Inch Green LED Display Motor Speed Measurement Module Speed Value Measurement
$13.95 Save $32.00 RRP: $45.95
Shower Temperature Meter Led Digital Display Temperature Gauge
$12.95 Save $36.00 RRP: $48.95
Power Meter Type-C Tester Multifunction Digital Display Ammeter Power Meter Detector for Electrici
$16.95 Save $5.00 RRP: $21.95
Mini Optical Power-meter Portable Leds Lighting High Precise Network Fiber Optic Cable Tester Tools--
$16.95 Save $17.00 RRP: $33.95
Multifunction Digital Meter Square 3-Digit Display AC Voltage Current Hertz Tester Blue Compact Handheld Electrical Measurement Tool
$10.95
BEM-5C Digital Electronic Tally Counter 5 Digit LCD Display 0 to 99999 Counting Device Handheld Mechanical Counter
$12.95
Digital LCD Water Quality Tester Pen TDS Meter 0-9999 PPM with Temperature Measurement White Purity Filter Testing Tool
$6.95
5pcs Couch Protector Furniture Cat Scratch Guards Elsavct
$20.95 Save $108.05 RRP: $129.00