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SH-A1 Ultrasonic Heat Meter
Introduction:SH-A1 heat meter is the first generation ultrasonic heat meter designed by SEASUN. The heat meter comprises a flow sensor, two temperature sensors and a calculator. The design of flow sensor is based on ultrasonic theory. The flow measuring unit is a non- wearing without mechanically moving parts. The long-life lithium battery is designed for calibration validity period. The communication mode is either pulse output or M-BUS. It is appropriate for heating management system in flats.Technical parametersCalculator:1) Ambient temperature: 5 - 55oC2) Power supply: Lithium battery for 6 or 11 years3) Temperature sensor: Pt5004) Communication: Standard optical interface，M-bus or pulse output5) Protocol: IEC870,300 Baud in Nb6) Mounting: cable length 1m, always removableFlow sensor:1) Operation temperature: 15 - 105oC2) Nom. pressure: 1.6MPa (PN 16)3) Overload: qs = 2 x qp (permanent)4) Mounting position: Horizon or vertical5) Measurement range: 1:100 (approved), 1:50 (calibrated)6) Measurement accuracy: EN 1434 cl.3Temperature sensor:1) Temperature sensor: Pt500 acc.to EN 60751, not removableConnection: 2-wire, permanentSensor type: DS direct insert, M10×27.5mm, according to EN1434 or rod sensor 45x 5.2mm (dia.)2) Cable length: 1.5m (standard), 5m (optical)3) Max. temperature: 105oC4) Installment inlet water temperature sensor5) Mounting element for DS 1/2″ x M106) Brass pocket: 1/2" for rod sensor7) Installment return temperature sensor8) Fix in flow sensor (when meter is for installment in return)Features:1) Non-wearing due to non-moving parts2) Measuring range of accuracy is 1:100, measuring range is 1:10003) Any mounting orientation, mounting in return or inlet water tube. It does notrequire a steady-flow part or a straight pipe section and can be installed any wayround4) Yearly set day5) Store 15 months data in meter6) Battery operated up to 11 years7) Communication function: pulse output or M-BUS (customer option)8) Self-diagnostics and indicate function
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