The AQ100 is a hand-held, highly sensitive, and extremely accurate IAQ monitor perfect for various air quality applications, states the company. The CO2-temperature probe is included. The CO2 sensor measures 0-5,000 ppm and the CO2 resolution equals 1 ppm. The unit measures ambient temperature of -4 to 176°F. Features include a big, ice-blue two-line LCD display; min/max/hold/unit selection; and ABS shockproof housing.

E Instruments, Test & Measurement Dept., 172 Middletown Blvd., Ste. B201, Langhorne, PA 19047; 215-750-1212; 215-750-1399 (fax);

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