Welcome! Since 1990 we have been servicing the complete line of Cahn Instruments Microbalance, Analytical toploaders, Analog and Digital Recording Balance, TGA and DCA. Our engineer is factory trained and has over 15 years experience. Our Customers From one man contract business, universities, government agencies and large corporations, these instruments are used in research, quality control and general lab weighing. General Motors University of Wisconsin OSHA Penn State University Scott Products Ohio State University Surface Measurement Science University of Iowa  Monsanto ...more University of Southern California ...more Instruments We Service  C20 - C27 series Microbalance ( analog control )  C28 - C29 series Microbalance ( digital control )  C30 - C35 series Generations 2 and 3 Microbalance  TA-450, 4100 and 4200 Analytical Toploading scale  TGA 121, 131, 141, 151 and 171 - Thermo Gravimetric Analyzer  DCA 312 and DCA 322 - Dynamic Angle Analyzer  C1000, C2000 - Analog Recording Balance  D100, D200 series Digital Recording Balance International Customer - Prepayment is required before the balance is sent back to the customer.   Contact Information (562) 303-2313 Customer Service. (562) 292-0342 Fax. Contact us by e-mail: microtech@microbalance.com