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Factory Stock Optometry Equipment 57mm Thermal Printer ARK-1 Optical Auto Refractometer Keratometer

$1,850-2,150 Min. Order: 1 piece

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JK-ARM ABBE Refractometer Portable Refractometer Laboratory Brix Refractometers WYA 2WAJ

$155-210 Min. Order: 5 pieces

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High Precision Decibel Meter With Hygrothermograph DM219N Noise Detector DB Sound Level Meter for Classroom Home Factory

$18-21 Min. Order: 1 piece

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Water Tank Level Sensor WIFI Home Alarm System Tuya App Monitoring 120db With 5M Water Level Sensor Underground Water Detector

$65-80 Min. Order: 1 piece

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Noise Meter Digital Sound Level 35-135dB Decibel Detector Audio Tester Decibel Monitor

$36.80-49.80 Min. Order: 1 piece

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Chicheng GC210 Carbon Monoxide Detector High Accuracy Sound Alarm ODM OEM Customization

$300-600 Min. Order: 2 sets

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ARS 60 Multi-functional Gaming Microphone Noise Cancellation Monitor Mix Condenser Desktop RGB Mic for PC

$14 Min. Order: 35 pieces

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TES 1357 Digital Sound Level Meter Multifunctional Noise Meter with 30dB to 130dB for Test Range for Instrument Testing

$279-350 Min. Order: 1 piece

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2240 Sound Survey Meter Class 1 Sound Level Meter LOC#K102

$1,358.50 Min. Order: 1 piece

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IP67 Oxygen Meter Air Oxygen Measurement Device 30%vol Portable O2 Oxygen Gas Detector with Visual Audible Vibrating Alarm

$60-80 Min. Order: 1 set

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S30 Mini Wireless Lavalier Microphone 2.4G Magnetic Charging Case C Active Noise Cancellation for Live Streaming TikTok Vlogging

$6.05-9.85 Min. Order: 10 sets

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Professional Metal Handheld Wireless Karaoke Microphone System with 20+ Meters Range Noise Cancelling Portable Design

$6-7.80 Min. Order: 50 pieces

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WIFI CO2 Air Quality Monitor Indoor TVOC Meter Desktop Portable Gas Monitor for Air Quality CO2 Temp RH PM 1.0 PM2.5 TVOC HCHO

$68-70 Min. Order: 1 piece

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48K USB Conference Microphone 360° Omnidirectional Condenser Mic with AI Noise Reduction for Zoom Teams Business Meetings

$59-72 Min. Order: 1 set

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HT003 UHF Wireless Microphone Transmitter for Silent Disco System with Bluetooth & LCD Screen for Church Tour Guide

$75 Min. Order: 1 piece

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KT LS6+ Water Velocity Detector Ultrasonic Acoustic Doppler Current Meter Ultrasonic with Probe 0.020m/s~6.00m/s Range

$880 Min. Order: 1 set

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Portable Ultrasonic Doppler Current Meter KT LS6+ River Current Water Velocity Portable Flow Meter with Suitcase

$880 Min. Order: 1 set

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HT003 UHF Wireless Microphone Transmitter with Bluetooth & LCD Screen for Silent Disco System Church Translation & Tour Guide

$75 Min. Order: 1 piece

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Professional Digital Noise Meter HY128 Octave Band Analyzer for Construction Site School Residential Noise Evaluation

$690-1,390 Min. Order: 1 piece

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Portable Digital Noise Decibel Sound Level Meter

$8.50-12.50 Min. Order: 1 piece

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Noise Measuring Instrument Db Meter 30~130dB Mini Audio Sound Level Meter Decibel Monitor

$8.50-12.50 Min. Order: 1 piece

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Portable Ultrasonic Cavitation Intensity Meter 10KHz-1000KHz for Industrial Cleaning Machine Quality Assurance 1 Year Warranty

$1,500-1,980 Min. Order: 1 piece

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1012 Professional Plastic High Accuracy Sound Pressure Decibel Sound Level Meter Data Logger Noise Tester 31.5Hz-8KHz

$35-48 Min. Order: 1 piece

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46 Probe Car Reverse Camera with Real Person Voice Buzzer Switch Parking Assist Parking Aid Featuring Atmosphere Light Screen

$4.50-5 Min. Order: 100 sets