biosystems gas detection for sale, brand-new and used.

Biosystems Phd Ultra Atmospheric Monitor p/n54-05-a0101 installed 3 double a batteries booted up and took readings The PhD Plus portable gas detector monitors up to four atmospheric hazards simultaneously. The PhD Plus detector measures oxygen, combustible gas, and up to two additional toxic gases. The Biosystems' "smart sensor" technology used by these meters improves instrument performance, and makes regular maintenance even easier.