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Specification Converter Model HLF810 HLF820 Measurement Time-of-flight Accuracy ±1% F.S.(DIW 20 deg C) Data update cycle 0.01 second power source Voltage 24 V DC ±10 % (21.6 - 26.4 V) Power 4 W approx. 5 W approx. Display - VFD (16 charactors / 2 line) Digital input Open collector (Max 35 V / 0.1 A x 2) Selectable from integrated value reset or 0 (zero) point adjustment input Output 4-20 mA current 2 Resolution: 12bit (RLMax. = 450Ω） Digital Open collector (Max 35 V / 0.1 A) x 2 Selectable from comparison, integrated pulse, instantaneous frequency or error output Interface RS-485 (MODBUS protocol, RTU mode) Up to 32 converters can be concatenated (address setting : 1- 32) Baud rate: 9600, 19200, 38400, 57600 bps Case material ABS Operating temperature 0 - 50 deg C (No condensation) Weight 130 ｇ 230 g Installation DIN rail Panel mount Sensor Model HLFS01-04 HLFS01-06 HLFS01-08 HLFS01-12 Application Ultrapure water / Pure water / Chemical liquid Flow rate range 0 - 2 L/min 0 - 6 L/min 0 - 20 L/min 0 - 50 L/min Tube size 1/4 inch 3/8 inch 1/2 inch 3/4 inch Max. operating pressure 0.5 MPa (0 - 90 deg C) / 0.2 MPa (90 - 180 deg C) Max. fluid temp. Standard type: 0 - 90 deg C High-temperature type: 0 - 200 deg C Operation temperature 0 - 80 deg C Wetted surface NEW PFA Weight 90 g 110 g 130 g 160 g Pressure loss factor 3.7863 0.6937 0.1146 0.0138 Pressure loss ⊿P＝AQ2
⊿P: Pressure loss[KPa] , A: Pressure loss factor (20 deg C Pure water), Q: Flow rate [L/min]