D485(D480) Multi-function hand-held differential pressure meter
● Lowest range 0-100Pa (0.4in. W.c.) ● Measure positive pressure, Negative and differential pressure ● Durable aluminum alloy case in black ● Easy-to-read 0.4 large LCD display ● Switchable backlight for anywhere reading ● Instant choice of English/metric units ● One 9V battery for 100 hours operation ● Range calibration possibly
DF681 Handheld Digital Thermal Anemometer
The DF681 is a portable wind speed measuring instrument. Aluminum metal shell, large screen display, rechargeable design, standard USB-a charging interface, pluggable thermal probe. It is widely used in measuring pipeline environment, heating, air conditioning and refrigeration, environmental protection, energy saving monitoring, meteorology, agriculture, refrigeration, drying, labor health investigation, clean workshop, chemical fiber textile, various wind speed experiments and so on.
DF760 electronic air volume hood
The DF760 hood is used to measure ventilation and exhaust air in HVAC systems. The instrument consists of a gauge, a nylon hood, a handle and a base. The struts used in the air volume hood are made of fiberglass to provide strong support for the hood. The measuring rectangle of the air volume hood is arranged on the base of the air volume hood, and accurate measurement is realized through 16 measuring points covering the upper section and the lower section of the base of the wind volume hood; and the wind volume hood uses a differential pressure sensor for measurement, and meanwhile, the atmospheric pressure can be corrected.
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