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Circuit Tester,SIUKE Handheld Portable Dual-Channel VI Curve Tester Circuit Board Online Detection ASA Tester 4 Gear Frequency Alternating Speed AdjustableAmazon$13.97
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Motor Servo Tester Multifunction ESC Master Speed Controller Motor Checker Rc Servo Tester Brushless Motor TesterAmazon$44.90
2 in 1 Non-contact Digital Tachometer Gauge Auto Ranging 0.5~99,999 RPM Range Meter Speed TesterAmazon$38.04
PM6208A Contact-Type Digital Tachometer Meter Motor Speed Gauge TesterAmazonSAVE $1.60
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1Set RC Servo Tester Speed Controller Kit with Power Supply & Micro 9g Servo Metal Gear *4 Cell AA Battery Holder for Helicopter Car Boat Robot ServoAmazon$163.99
Digital LED Stroboscope Measuring 60~99,999 RPM/Hz,Non-Contact Tachometer Adjustable Strobe Light Timing Speedometer for HVAC Motor Engine Speed Tester, Rechargeable High Accuracy 0.001%Amazon$14.99
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USB 3.0 Tester, Eversame IPS Color Display Digital Multimeter Voltmeter Current and Voltage Monitor, DC 5.1A/30V/150W Power Meter Tester, Test Speed of Chargers, Cables, Capacity of Power Banks-BlackAmazon$13.88
Wishiot Micro Servo Tester Kit, FS90R 9g Servo Motor 360°+3CH Digital Servo Tester ESC Speed Controller Checker+AA Battery Holder CaseAmazon$6.99
Ferwooh 2PCS Simple RC Servo Tester 3CH 4.8-6V Digital Multi Servo Tester ECS Consistency Speed Controller Checker Adjustment Steering Gear TesterAmazon$12.59
Motor Servo Tester Electronic Speed Controller Checker Master for RC Plane Car BoatAmazon$12.18
YWBL-WH Servo Tester 3CH Digital Multi Servo Tester RC Aluminum Shell Servo Tester ECS Consistency Speed Controler Checker for RC Planes & Helicopters CarsAmazon$13.99
4 Digital LED Tachometer RPM Speed Meter Tester with Hall Proximity Switch Sensor NPN Set Blue 0.56Amazon$12.95
Digital Laser Non-Contact Tachometer RPM Range Photoelectric Speed Meter Tester 2.5-99999RPM, 3 Reflective Tapes IncludedAmazon$16.49
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PEAKMETER PM6208B Non-Contact Digital Tachometer 50~99999RPM max Speed Meter Rotation TesterAmazon$33.76
DT2236C Digital Photo Tachometer Pocket Rotation Gauge Digital Speed Tach Tester for Automobile Maintenance, Contact 0.5-19999rpm, Non Contact 2.5~99999rpmAmazon$595.00
Z-Rok Portable Hardness Tester – Metal Hardness Tester– Digital Harness Test Kit for Large Hard Metal Parts – Fast Speed, Accurate Results – Handheld Tester KitAmazon$27.03
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Motor Servo Tester with 3 Modes CCMP Consistency Speed Controller Checker for RC Car Boat Connect 1-3 Servos Connect 1-3 ESCs Aluminum Alloy Shell for CCPM HelicopterAmazon$35.51
Tachometer PM6208A Handheld Contact Digital Tachometer Meter Motor Speed Gauge Tester 50RPM-19999RPM 100 Groups Data Logging Data Hold Max/Min/AVG LCD Backlight Accuracy?± (0.03%Amazon$43.22
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Dynamic Torque Sensor,DYN-200 100N.M Power Torsion Speed Torque Rotating Sensor Measuring Instrument,Torque Power Tester for Motor Speed MeasurementAmazon$4.55
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Water Velocity Meter Flow Rate Meter Flow Velocity Meter Tester with Speed Range 0.01-5.00m/s LCD Display Pole Positioning Measurement for Agricultural Drainage and Irrigation Hydrogeological SurveyAmazon$8.99
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DIYmall RC Servo Tester 3CH Digital Multi Servo Tester ECS RC Consistency CCMP Master Speed Controller CheckerAmazon$1,025.00
CNYST Benchtop Friability Tester Tablet Friability Meter Tester for Check Uncoated Tablets for Friability with Double Tube Rotation Speed Range 25 RPM Automatically Preset Speed and Lap ParametersAmazon$45.37
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Haldzemo 4 Cell AA Battery Holder Case with 2P JR Connector Terminal + 3CH Digital Multi Servo Tester ESC RC Speed Controller Checker CCPM Servo Consistency Master (2 Pack, 3CH Servo Tester)Amazon$7.98
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Wishiot 4 Cell AA Battery Holder Case with JR Connector 2P Black Red Wire + 3CH Digital Servo Tester ESC Speed Controller Checker CCPM Servo Consistency Master for Helicopter Car Boat Robot ServoAmazon$11.99
2 in 1 LED Tachometer Gauge Digital RPM Voltmeter for Auto Motor Rotating Speed by KeaiduoaAmazon$44.44
GM8901 Handheld Digital LCD Wind Speed Meter Anemometer Air Flow Velocity Tester Measuring Device with Backlight for Measuring Wind Speed, Temperature and Wind Chill, Airflow andAmazon$30.19
1pc Resistance Meter Professional Tester Inductance Meter Capacitance Meter White High SpeedAmazon$19.90
Mini Handheld Anemometer Digital Display Wind Speed CFM Meter Gauge Air Flow Velocity TesterAmazonSAVE $314.36
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Starrett Portable Hardness Tester, High Precision, Versatile Scales, Fast Testing Speed, Ample Memory - 3811AAmazon$76.00
PEAKMETER Wind Speed Test Meter Multi-Function Digital Anemometer Tachometer / Air Volume Air Flow Meters Wind Humidity Tester(PM6252B)Amazon$23.34
UA965 Handheld Anemometer Mini Digital Anemometer Wind Speed Meter Air Flow Tester Wind Temperature Measuring Tools High Definition Color LCD -20℃~70℃ 0.4-30.0M/SAmazon$29.99
DROK USB Power Meter, DC 4-24V 5A LCD USB A&C Voltage Current Display USB Tester Multimeter, Test Speed of Charger Cables, Capacity of Power Bank, QC 2.0 3.0Amazon$769.00
CGOLDENWALL Benchtop Tablet Friability Tester Instrument CS-4 Rotation Speed: 25 r/min Number of Turns : 100 Circles Single CylinderAmazon$15.99
Wishiot 3CH Digital Servo Tester ESC Checker CCPM Consistency Speed Controler + 4 Cell AA Battery Holder Case for Helicopter CarAmazon$16.59
NUZAMAS Digital Tachometer LCD Display RPM Test Small Engine Motor Speed Meter Gauge Non-Contact Tester Wide Measuring Range 2.5-99999RPMAmazon$7.99
Wishiot 2pcs 3CH Digital Multi RC Servo Tester ECS Consistency CCMP Master Speed Controller Checker Adjustment for RC Car ServoAmazon$1,279.00
CNYST Tablet Friability Tester Benchtop Friability Meter with Double Tube Adjustable Speed(20~90)rev/min Adjustable Laps (5~900) CirclesAmazon$19.99
BTMETER Digital Tachometer BT-9235C, Non-Contact 7.0-99999 RPM Automotive Industrial Speed Meter, Engine Ratation Measurement Gauge TesterAmazon$22.24
Handheld Body Fat Tester, Body Composition Analyzer, Body Fat Measuring Instrument Bmi Meter Fat Analyzer Body Fat Monitor, The Measurement Speed is Fast and The Method is SimpleAmazonSAVE $20.40
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HoldPeak CFM Meter HVAC Anemometer with USB, Handheld Wind Speed Air Flow Velocity Meter Tester Gauge 100MPH with Temperature, MAX/MIN/AVG, Backlight, Memory Functions HP-856AAmazon