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GAIN EXPRESS HOLDINGS LIMITED
HK
12YRS
Main categories: industrial Endoscope,PH meter,Refractometer,Fish Finder,Lux Meter
Top picks

Product categories

300cm long Cable ORP Electrode for ORP Meter Tester Controller (OEM packaging available)
$17.16 - $19.37
(Min. Order) 1 set
20x Magnification 20.5mm Jeweler Gem Loupe Triplet Lens Jewelry Optical Hobbyist Stamp & Coin (OEM Packaging Available)
$6.14 - $7.39
(Min. Order) 2 sets
3-in-1 Automotive Antifreeze Refractometer 1.100 - 1.400kg/l System Coolant Freezing Point (OEM Packaging Available)
$9.05 - $10.88
(Min. Order) 1 set
Gloss Surface Meter 0.1-200 GU Tester Meter 20deg 45deg 75deg for Ceramics Films Textiles Rechargeable Reflectometer Triple
$216.87 - $227.85
(Min. Order) 1 piece
3-in-1 Digital EC / CF / TDS Meter Combo Water Quality Tester IP65 Waterproof Conductivity with ATC (OEM packaging available)
$20.65 - $23.30
(Min. Order) 1 set
Greenhouse CO2 Controller w/ 4.5 Meters Remote CO2 Sensor Auto Detect Day Night Function Perfect for Grow Rooms, Home, Offices
$93.90 - $108.90
(Min. Order) 1 set
23 orders
Digital CO2 IAQ Monitor Controller 45M Cable NDIR Sensing Probe w/ Relay Function Green House Home, Office, Factory
$93.90 - $108.90
(Min. Order) 1 piece
CO2 Carbon Dioxide Monitor & Controller (Relay Function) w/ Remote Sensor for Home, Office, Hospital (OEM Packaging Available)
$93.90 - $108.90
(Min. Order) 1 piece
5 orders
Sound & Noise Level Meters
All products
Measuring Instruments
Sound & Noise Level Meters
Customizable
Ready to Ship
Smart Sound Level Tester 30dB to 130dB Decibel Meter Colored LED Screen Display Temperature Humidity Measurement
$26.20 - $29.57
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
Decibel Meter Digital Sound Level Meter Datalogger 30~130dB Range A / C / Z Weighted For Home, Factory, Noisy Neighbor
$31.26 - $35.28
Shipping: $14.95/piece
Min. Order: 5 pieces
Add to cart
Magnetic Mini Voice Activated Recorder 64GB Recording Device with Speaker 192kbps Sound Quality Long-Lasting Battery for Car Lec
$17.19
Shipping to be negotiated
Min. Order: 30 pieces
Sound Level Tester Smart Decibel Meter 30dB to 130dB Colored LED Screen Display Temperature Humidity (OEM Packaging Available)
$26.20 - $29.57
Shipping: $31.80/set
Min. Order: 1 set
Add to cart
Digital High Accuracy Sound Level Noise Meter Measuring 35dB~135dB Temperature Frequency with Backlight
$11.66 - $14.39
Shipping to be negotiated
Min. Order: 1 piece
Portable Compact Sound Level Meters Calibrator 94dB/ 104dB/ 114dB Noise Calibration Level for 13.2mm Microphone Size
$48.10 - $53.44
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Professional Sound Level Meter 30~130dB CD Software & wireless BT connector
$57.50 - $63.89
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
30~130 dB Decibel w/ Software /Multifunctional Digital Sound Noise Level Meter
$60.00 - $66.67
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
30~130dBA A/C Frequency Sound Level Meter Digital Audio Voice Decibel Tool Data Recording
$23.52
Shipping to be negotiated
Min. Order: 100 pieces
Digital Sound Decibel Noise Level Meter Tester 30~130dBA Range Factory Pre-calibrated w/ Tripod Mounting Hole
$19.14 - $21.60
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
Sound Level Meter Tester Noise Decibel Detector Instrument 30~130dBA Handheld Digital Device w/ Backlight & LCD Display
$9.55 - $11.49
Shipping: $28.00/piece
Min. Order: 1 piece
Add to cart
Digital Sound Noise Level Tester Calibrator for Sound Level Meter 94dB & 114dB output Class I w/ Battery +/-0.3 db Accuracy
$78.05 - $86.49
Shipping: $28.00/piece
Min. Order: 1 piece
6 sold
Add to cart
Professional Sound Level Meter 30dB-130dB Compact High Accuracy Measuring Instrument with Backlit
$17.63 - $19.90
Shipping: $10.14/piece
Min. Order: 5 pieces
Add to cart
High Accuracy Measuring 30dB-130dB with Data Record Function Sound Level Meter with Backlit Display Compact Professional
$24.05 - $27.14
Shipping: $10.14/piece
Min. Order: 5 pieces
Add to cart
Sound Level Meter
Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone Portable w/ Backlight Calibration Tool
$78.05 - $86.49
Shipping: $28.00/piece
Min. Order: 1 piece
1 sold
Add to cart
Sound Level Meter Digital Noise Meter 30~130dBA LCD display with Backlight +/-1.5dB Accuracy
$9.50 - $11.20
Shipping to be negotiated
Min. Order: 10 pieces