The AQ100 is a hand-held, highly sensitive, and extremely accurate IAQ monitor perfect for various IAQ applications, says the company. It has a fixed CO2 and temperature probe. The CO2 sensor measures from 0-5,000 ppm with a resolution of 1 ppm. The IAQ tester measures temperature from -4 to 176°F. Features include an IP54 dust protective cover; big, easy-to-read, ice blue, backlit LCD display with two lines; and Min/Max/Hold/Unit Selection. The unit has a battery indicator and one 9-V battery is included. The unit has an ABS shock-proof housing and adjustable shutoff.

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

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