Common specifications for Ultrasonic Flowmeter for air ATZTA TRX/TRZ ver. 5 Nominal diameter ^I.This is normal flow-rate indicated under the condition of 20°C as the temperature and 700kPa as the pressure. ^2.At our shipping test facility. Specifications for External Power Supply Type (D) / Built-in Battery Type(B) Ultrasonic Flowmeter Introducing a new flow meter with higher cost performance!! RS485 Output Type Specifications Model Note 1) Nominal diameters 25 ~ 80mm correspond measurement of Nitrogen. Note 2) At the actual flow measurement setting, number of digits for accumulated flow volumes, number of digits for instantaneous flow-rate, and pulse output unit differ from the above table. *Piping conditions : 25mm & 32mm: Furnishing of straight pipe of 20D or more at the upstream side and 5D or more at the downstream side (In case of utilization of forward/reverse flow indication mode, 20D or more for the both upstream and downstream) 40mm and above : Furnishing of straight pipe of 10D or more at the upstream side and 5D or more at the downstream side (In case of utilization of forward/reverse flow indication mode, 10D or more for the both upstream and downstream) Note 3)Communication specifications can be downloaded from our company website. Note 4)In case of connection with a logger device, command sending interval shall be set to 200msec or longer. ■ Actual Flow Volume - Normal Flow Volume Conversion Table Standard equipping of Conversion-to-NORMAL [Temperature & Pressure Compensation) function Global brand ATZTA "ATZTA (Atsuta)" is the head letter of "A to Z to Aichitokei", and such thought that "Aichi Tokei Denki solves all the issues of fluid measurements" is put in it. Also, whereas "Atsuta" has been the location of the headquarter since the establishment, "ATZTA (Atsuta)" is the starting point of our manufacturing. Energy-saving Tool Manufactured and Distributed by Technical specifications in this catalog are up-to-date as of Feb 2020. Aichi tokei denki co.,ltd. 1-2-70 Chitose, Atsuta-ku, Nagoya, 456-8691, Japan For inquires, please contact us. Overseas Business Division TEL +81-(0)52-661-5150 | To Our Customers Please understand that product specifications may be changed without notice in order to improve performance. We are always happy to provide the latest catalogs and brochures, and respond to inquiries made to our offices.