Home / Products tagged “Digital Pirani Bayard-Alpert gauge” Digital Pirani Bayard-Alpert gauge Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sort by Name: Alphabetical Sale! Pfeiffer HPT 200 AR Gauge PTR39141A | Digital Pirani Bayard-Alpert Gauge KF25, RS-485, Analog / Relay These Pfeiffer Vacuum HPT 200 AR, Digital Pirani Bayard-Alpert gauge KF25, RS-485, 0-10V, with Relay. PTR39141A $2,127.50 $2,021.50 Add to cart