Concentration Meters
1pc Magnetic Propane Tank Fuel Level Indicator - Made Of PET Material, No Assembly Required, Suitable For RV, Camping, Cooking, Barbecue - Accurately Measure Gas Quantity, Reusable, Easy To Stick, LPG Fuel Gauge Without Refrigerant
NZ$5.74
-4%
Portable Alcohol Tester - Handheld Alcohol Test Device With LCD Digital Display And Type-C Interface, Compact Blood Alcohol Concentration Detector, Suitable For Home, Driving And Other Scenarios
NZ$19.74
-24%
1pc Professional Alcohol Tester - High Precision 0.001% BAC, LCD Display, Portable Breathalyzer (Battery Not Included), Suitable For Personal, Car, Home And Commercial Use
NZ$12.95
Alcohol Breathalyzer, Alcohol Tester (Shipped Without Battery)
NZ$14.29
-16%
NJTY Digital Refractometer Brix Meter, Portable Digital Sugar Refractometer With HD LCD Screen, Auto Temperature Compensation, Fast 3s Measuring Sugar Tester For Fruit, Juice, Beverage, Vegetables, Home And Industry Use
NZ$67.15
-4%
XIAOCETOOL High-Sensitivity Combustible Gas Detector | Imported Sensor, Accurate Leakage Concentration Measurement And Explosion-Proof Detection, Triple Display, Rapid Leak Detection, Universal Adjustable Flexible Probe, Simple And Measurement
NZ$74.95