Model 3000, 12 gauge - Smith & Wesson Forum

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 Ludlum Model 3000 is a durable, lhtweht instrument that is used with an external detector for alpha, beta, and gamma radiation survey. It features a large, easy-to-read LCD screen