日本でChemitecの4204/P

説明: Ultrasonic Flow Meter for Open channel with flumes or weir

Techical specification: code: 9710619010 Measurement ranges: Flow: 0 ÷ 9999 mc/h Level: 0.30 - 5.00 Resolution: ± 0.01 mt. Accuracy: ±0.2% F.S. Temperature:-25 / +75.0 °C Resolution:1°C Accuracy:1% F.S: Measuring unit to be set: Flow: mc/h, lt/sec – Level: mt, cm, mm – Temperature: °C Direct flow calculation by selecting the following primary measuring devices (PMD): Weirs: rectangular, Cipolletti, Thompson, Flumes: Venturi, Parshall, Leopold Lagco, Also available free exponential calculation or multipoint table to be set by the user. N r.1 main Totalizer 9 digit non resettable – saved on Flash ROM non volatile Nr.1 resettable Totalizer 9 digit – To be reset in run mode. 6 key programming keyboard. Graphic display to visualise simultaneously: Instantaneous flow measurement (in absolute value + percentage of the full scale), main totaliser, condition of the digital outputs and alarms. In scrolling: level measurement, resettable totaliser, condition of the analogue outputs. Inside data logger (flash 4 Mbit) with possibility to visualise both by charts and tables the measurement trend showing the minimum, maximum and average values of the period. Logging of the totalized flow volumes at programmable interval, recorded by hour and date. Nr.5 independent digital outputs to be set for high/low level alarm or totalized flow pulse for remote totalizer. Nr.1 digital output for alarm Nr.1 primary analogue output, freely programmable within the measuring range. Nr.1 secondary analogue output to be set for level measurement/temperature/measure repetition. RS485 serial output with MODBUS RTU protocol. Possibility to simulate outputs through keyboard. Hardware technical characteristics: Graphic Display LCD STN 128x64 backlighted N°. 2 analogue outputs 0/4÷20mA 500mW galvanically isolated. N°. 5 Set Point outputs – Exchange Relay (max. load 1A a 230Vac resistive) N°.1 cumulative output for alarm – Exchange Relay (max. load 1A a 230Vac resistive) Nr.1 RS 485 serial output native MODBUS RTU protocol Power supply 90-260Vac 50-60Hz. (Optional 24Vac/dc) Transformer insulation 4KV Absorption < 12W ( Average) ABS container for wall assembly IP 65. Dim. mm 144x144x122,5 (d)

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