Description Overview GAOTek advanced water meter with TMR technology is a water meter that integrates electronic modules on traditional single jet water meter with advanced TMR technology. It was launched by Joy and combines years’ experience in metering research and development. It has been proven that VOHA is reliable and absolutely matured achievement in accurate measurement and data transmission. Features Precise sampling up to 0.008L Optional communication ports Automatic events recording and reporting Static consumption less than 15µA High LCD resolution up to 1L Real-time anomaly monitoring Stable measurement anti-vibration Anti-magnetic protection and records Technical Specifications Size DN15 to DN20 Temperature T30or T90 Communication MBus/RS485/lorawan Protection Class IP65 or IP68 Diameter, Mm DN15 or DN20 R (Q3-Q1) 2.5 or 4 Q3, M³/h 3.125 or 5 Q4, M³/h 4 or 5 Q1, M³/h 0.025 or 0.04 Connection G¾ or G1¼ Length, Mm 110 or 130 Width, Mm 73 Height, Mm 91 Flow Sensor Type Single-jet, dry Flow Sensor Material Brass Temp. Class T30 Pressure Loss ΔPΔ3 Sensitivity to Irregularity U4003 Max. Working Pressure, MPa 1.6 Accuracy ±2.5% Environmental Classification B3 Electromagnetic Environment H2 Start Flow Rate 15 L/h Installation Direction Horizontal Installation Environment Indoor LCD Display 2 Digit LCD Resolution 0.01 m³ Communication Interface M-Bus, lorawan Event Storage 32 Records Data Storage Memory, flash Power Supply DC 3.6V or battery Meter Life 10 Years (reads hourly) Static Consumption < 15 µA Protection IP65 (DB), IP68 (lorawan) Standard ISO4064, EN14114, OIML R49 Compliance EN13757, C11/98 Ambient Temp 23°F to 131°F (-5°C to 55°C) Storage Temp -4°F to 158°F (-20°C to 70°C)
