Hand-held Unit HFA-Ex - U2620 pages

1130B - B06 Metallic FDA table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:10.00pt "Arial", sans-serif; } .font1 { font:8.00pt "Verdana", sans-serif; } .font2 { font:36.00pt "Verdana", sans-serif; } hontzsch flow measuring technology Hand-held unit HFA-Ex A handy and easy-to-use anemo-meter for measuring flow velocity, volume flow and temperature of air/gases and water/liquids in explosive atmospheres. Measurable variables are the flow velocity v in m/s and the temperature t in °C. All associated Hontzsch vane wheel flow sensors with appropriate plug can be connected to the HFA-Ex display unit:  sensors for non ±directional sensing Օ sensors for ±directional sensing  sensors with integrated temperature probe PT100 Օ temperature probe PT100  sensors designed as probes or measuring tubes The HFA-Ex with its associated sensors is a piece of equipment in ATEX Ex ia IIC T4 type of protection, intended for use in potentially explosive tmospheres: Category 2 (Zone 1) Examples of Application Controlling measurement in potentially explosive atmospheres Օ measurements in outgoing air, exhaust gases, flue gases, process gases ... also in aggres-sive mediums up to 500 °C  incoming and outgoing air in paint spraying booths in the automobile industry Օ on filtering devices and ventila-ting fans  of deposit gas in garbage dumps Օ regulating and adjusting air conditioning and ventilating systems  monitoring/measuring backflow when using ± directional sensing sensors Օ using velocity area method to determine the flow rate or the average flow velocity by approval tests and inspections for proof of guarantee according to VDI/VDE 2640  distribution measurement of natural gas Corresponding Documents Օ U117 Data Sheet Vane Wheel Flow Sensors FA U116 Overview FA U205 User's Information FA Probes Օ U260 Directions for Use HFA-Ex U264 Operating Instructions HFA-Ex U262_HFAEx_DoP_e_111219 http://www.hoentzsch.com 1/3