Inquiry (采购产品): Sensor needed Dear Sir/Madam. Our company is conducting research about measuring the resonant frequency of different fluids such as saliva, hormones and other medical fluids. Can you recomend a measuring device or sensor that can allow us to acheive such measurement? Warmest regards Alex Tobgy HMC/ Thailand **** Hidden Message ***** Alex Tobgy 253 Asoke, 25 Floor Bangkok, ON THA Company: Holistic Medical Center E-mail: tobgy@hotmail.com **** Hidden Message ***** tobgy@hotmail.com