PHD LITE CONFINED SPACE GAS DETECTOR
Biosystems, Inc.: Measures oxygen, combustible gas, and up to three additional toxic gases. Automatic calibration adjustment and all routine procedures are accessed through a single on/off mode button. Includes a large graphics display, integration keys, and a compact metal-plated case. Rechargeable or alkaline batteries provide up to nine hours of continuous operation. (800) 711-6776.
