Model WDCFM8951 is an airflow instrument that measures cfm, Btu, temperature, humidity, dew point, and wet bulb. Features include a small wind vane and long telephone-style cord. Model PCO 1000 carbon monoxide (CO) detector pen has a sensitivity of 50 to 1,000 ppm. The pen has a red LED that will light and an audible alarm that will sound when it detects CO. The PRL 3000 refrigerant leak detector pen detects R-22, R-12, R-502, R-404A, and R-134a. It has a sensitivity of 50 to 2,000 ppm. The PNG 2000 detects LNG, LPG, butane, methane, and isobutene gas. Features of the PRL 3000, PNG 2000, and PCO 1000 include a wrist strap and a battery.

Mannix Testing & Measurement, P.O. Box 866, Lynbrook, NY 11563; 516-887-7979; 516-887-7844 (fax);

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