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TIF is showing a new family of HVAC system test instruments with infrared capabilities. TIF 3310/3320 takes differential temperature readings with dual type-K thermocouple probes and non-contact surface temperatures using the IR thermometer probe. TIF 3110 is an IR thermometer/psychrometer that provides speedy checks on indoor air quality. TIF 3220 measures air speed and temperature, enabling airflow measurements of targeted areas at various air returns and vents. TIF 3420 allows technicians to measure differential, absolute, and static pressures.
TIF Instruments, an SPX brand, 655 Eisenhower Dr., Owatonna, MN 55060; 800-327-5060; 507-455-7451 (fax); www.tif.com
This overview of the benefits of zoning includes tips for selling to consumers and businesses. Tom Jackson discusses options for new construction and retrofit, as well as some ways a residential contractor can get into the light commercial business with zoning products. Speaker: Tom Jackson, CEO, Jackson Systems
With access to over one million professionals and more than 60 industry-specific publications, 
