Sign in
Top picks

Product categories

Multifunctional Support Data Logging Ozone Detector O3 Detector Indoor and Outdoor Temperature and Humidity Detector Hot Selling
$43-50
Min. order 2 units
New Manufacturer Portable Radon Monitor with Rechargeable Lithium Battery and LCD Screen
$54-63
Min. order 1 piece
Industrial PM2.5 Tester with LCD Display Carbon Dioxide Detector Air Quality Analyzer Data Storage Hygrothermograph Gas Analyzer
$49-60
Min. order 2 pieces
1 recent viewed
Professional Alcohol Meter Blowing Type Breathalyzer Accurate Quick Breath Alcohol Test Alcohol Tester Sensor Breath Analyser
$5.50-10
Min. order 1 piece
6 sold
negative ion tester detector
All products
negative ion tester detector
Portable Air Negative (oxygen) Ion Detector Concentrator Anion Oxygenation Detector Industrial Level
$210-280
Min. Order: 1 piece
Negative Oxygen Ion Concentration with Multi-sensor Collaborative Coverage of Temperature Humidity PM2.5/1.0/10
$210-280
Min. Order: 1 piece
Negative Oxygen Ion Detector air Quality Monitor Professional Negative Oxygen Ion Industrial Grade Tester European Standard
$210-280
Min. Order: 2 pieces
Portable High-precision air Negative Oxygen Ion Counter Real-time Monitoring of Environmental Health Indicators PM2.5/PM1.0/PM10
$210-280
Min. Order: 2 pieces
Portable High-precision air Negative Oxygen Ion Counter Real-time Monitoring of Environmental Health Indicators
$210-280
Min. Order: 2 pieces
Visualization of Negative Oxygen Ion Concentration ultra Sensitive air Negative Oxygen Ion Detection
$210-280
Min. Order: 2 pieces
Portable High-precision air Negative Oxygen Ion Counter Real-time Monitoring of Environmental Health Indicators
$210-280
Min. Order: 2 pieces
Negative Oxygen Ion Portable Environmental Analyzer air Quality Data Is clear at a Glance
$210-280
Min. Order: 2 pieces
Comprehensive Environmental European Standard Negative Ion Monitoring Supporting Synchronous Analysis of Multi Parameter
$210-280
Min. Order: 2 pieces
Portable air Negative Oxygen Ion Counter for Precise Measurement of Negative Oxygen Ion Concentration
$210-280
Min. Order: 2 pieces
Air Negative (oxygen) Ion Detector Support Time and Date Display European Standard Built-in Large-capacity Lithium Battery
$210-280
Min. Order: 2 pieces
Air Negative (oxygen) Ion Detector with Rechargeable Lithium Battery 5000mah PM2.5/1.0/10 US Plug or European Plug
$210-280
Min. Order: 2 pieces
Air Negative (oxygen) Ion Detector European Standard with Rechargeable Lithium Battery 5000mah PM2.5/1.0/10 Silvery Metal
$210-280
Min. Order: 2 pieces
Negative Oxygen Ion Detector air Quality Monitor Professional Negative Oxygen Ion Industrial Grade Tester Silver 5000mah
$210-280
Min. Order: 2 pieces
Professional Air Negative (oxygen) Ion Detector air Quality Monitor Negative Oxygen Ion Industrial Grade Tester Silver Color
$210-280
Min. Order: 2 pieces
Negative Oxygen Ion Detector air Quality Monitor Professional Negative Oxygen Ion Industrial Grade Tester Silver Gas Analyzer
$210-280
Min. Order: 2 pieces