Tech Zone


Issue 5 and Volume 152.

DEFENDER MULTIGAS DETECTOR BW Technologies: 13-ounce device has one-button operation, autocalibration, and large bright gas/alarm indicators. Dual-mode confined-space sampling pump can operate in either active or diffusion mode. Two-alarm levels per gas, TWA, STEL, and exposure readouts. Uses Black & Decker VersaPak rechargeable battery. (800) 663-4164.

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