Model 3000 Dital Survey Meter – LACO On

modal3000Dependable, H 2 S Measurement Made Easy For The Field. The MODEL 3000RS Portable H 2 S Analyzer is the perfect choice for safely and accurately measuring ppm levels of H 2 S inThe model 3000 features the latest SEPP OTL output circuit, using a Sansui developed drive transformer plus Mesa type silicon transistor 2SD45, provides