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[Digital Noise Meter] Digital Noise Meter 30-130Db | Compact Sound Level Monitor | Ideal for ProfessPrice: 580.0

GOXAWEE 1pc Digital Water TDS Meter PH Meter, TDS PH Meters, Water Testing for Drinking Water, HydroPrice: 390.0

[Digital Noise Meter] Digital Noise Meter 30-130Db | Compact Sound Level Monitor | Ideal for ProfessPrice: 580.0

Professional Refrigerant Leak Detector & Halogen Gas Tester - Multi-Gas (R22/R32/R134A/HFC/HCFC/CFC/Price: 1700.0

[4-in-1 Digital Meter] 4-in-1 Digital PH/TDS/EC/Temperature Meter | Water Quality Monitor Tester forPrice: 950.0

Three-in-One Electromagnetic Radiation Detector, Electric Field, Magnetic Field, and Radiation TestePrice: 950.0

DT-1130 EMF Meter for Electromagnetic Radiation DetectorPrice: 390.0

Milesight Indoor Ambience Monitor - Temp, Humidity, PIR, Light, TVOC, CO2, Barometric, PM2.5/10Price: 8709.0

High-Precision PH Tester Water Quality Analyzer, HABOTEST HT630A, HABOTEST HT630BPrice: 1023.74

Meinl Sonic Energy Energy Series Singing Bowl - 1800gPrice: 5997.0

High-Precision Three-in-One Backlit TDS/EC/TEMP Water Quality Test Pen (Batteries Not Included)Price: 750.0

White - Atuman CF1 Multifunctional Carbon Dioxide Tester CO2 Temperature Humidity Display Clock dispPrice: 963.71

Komshine KPV-53 Optical Power Meter Fiber Loss Measuring Instrument, KPV-53-A/-70dBm～+6dBm, KPV...Price: 1194.41

WINTACT WT8825 Carbon Monoxide Detector Independent CO Gas Sensor Warning-up High Sensitive Poiso...Price: 1511.53

SMART SENSOR High-Precision Decibels Sound Noise Level Tester, ST844Price: 2789.65

Efficient SM852B 3 Phase Sequ Ence Tester For Phase Rotation DetectionPrice: 649.0

Refractometer ATC Refractometer Antifreeze Coolant Tester Battery TesterPrice: 565.0

Milesight Indoor Ambience Monitor - Temp, Humidity, PIR, Light, TVOC, CO2, Barometric, PM2.5/10Price: 8517.0

Smart Voltage Test PenPrice: 201.0

Combustible Gas Detector – Natural Gas Leak AlarmPrice: 350.0

4-In-1 Plug-In Gas Detector Carbon Monoxide Combustible Gas Temperature Humidity Monitor With Hig...Price: 628.84

EcoFlow Single Phase Smart Meter – Energy Monitoring Meter for OCEAN InvertersPrice: 755.0

Meinl Sonic Energy Energy Series Singing Bowl -1400gPrice: 4535.0

SMART SENSOR Split-Type Digital Luminance MeterPrice: 1225.63

Combustible Gas Detector – Natural Gas Leak AlarmPrice: 450.0

for GEIGER Counter Electromagnetic Radiation Tester For Home And OutdoorPrice: 1194.0

Home Noise Tester Detection Volume Device Z Weighted Decibel Device, TA652APrice: 1398.23

Kilowatt-hour Meter Active Electric Energy Current Range Frequency MeterPrice: 860.0

BENETECH GT1011 Digital Lux Meter Industrial Lighting Measuring, GT1011Price: 548.33

4-IN-1 TDS & EC DIGITAL WATER QUALITY TESTERPrice: 350.0

SMART SENSOR 4 In 1 Explosion-Proof Gas Concentration Detector, AR8900BPrice: 4012.73

MOES Carbon Monoxide Temperature & Humidity Detector Monitoring Alarm Sensor, 3 In 1 US Plug, 3 I...Price: 762.12

SMART SENSOR Rechargeable Formaldehyde Environmental Air Quality Alarm Detector, ST8306Price: 3183.5

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