Amazon.com: LAMJAD Breathalyzer, Professional Alcohol Tester with Digital LCD Screen, semiconductor sensors and 10 mouthpieces, Police-Specific Alcohol Meters for Personal and Professional use (D800) : Health & Household
What is the difference between Semiconductor & Fuel Cell breathalyzers? - Hanwei Electronics
Sentech Breathalyzer AL1102 Semiconductor type ±0.01% at 0.05%BAC 180g CE Silver | eBay
Semiconductor Testers-Warning!
LNGOOR Breathalyzer, Portable Breath Alcohol Tester Digital Alcohol Detector for Drive Or Home Use, High Accuracy Semiconductor Sensor Personal Breathalyzers with 25 Mouthpieces - Walmart.com