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
S$3.83
-4%
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
S$54.62
-2%
1pc Portable Digital Alcohol Tester - Without Battery, Accurate Blood Alcohol Content Measurement, Compact And User-Friendly Design, Suitable For Car Safety And Personal Use
S$9.75
-6%
1‑Pack Upgraded Portable High‑Accuracy Handheld Breath Alcohol Tester, Minimalist Style Black LCD Digital Display Blow‑In Alcohol Detector For Personal Home Use
S$17.28
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
S$59.38
Alcohol Breathalyzer, Alcohol Tester (Shipped Without Battery)
S$10.65
-17%