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Dwyer Instruments TUF-650-MD | Tenant ultrasonic BTU flowmeter | DN65 pipe size and 25 m3/h permanent flow rate with Modbus® communication
Using ultrasonic technology to detect heating and cooling energy consumption, the Model TUF-650-MD Ultrasonic Energy Meter is an extremely precise and stable energy meter. Installing the Series TUF on boilers and chillers is a brilliant idea since it is a small meter that doubles as an energy calculator and flowmeter in one.
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| Accuracy | BTU: EN1434/CJ128 Class 2 Flow: +/-(2+(0.02 Qp / Q))% Temperature: +/-0.1°C |
| Approvals | CE |
| communication | Serial: Modbus® RTU or BACnet MSTP (selectable) |
| Connection | Electrical: 3' (0.91 m) 4x0.2 mm2 cable with terminal block |
| Connection | Meter: Flange |
| Display | 8-digit LED |
| ENCLOSURE MATERIAL | Plastic |
| Enclosure Rating | IP65 |
| Flow Direction | Unidirectional |
| Humidity | Limit: <93% |
| Manufacturer | Dwyer Instruments |
| Material | Wetted: Brass and 316L SS |
| Maximum Operating Pressure | 232 psi (16 bar) for DN15 to DN40 362 psi (25 bar) for >DN50 |
| Maximum operating temperature | Ambient: 41 to 131°F (5 to 55°C) Process: 36 to 203°F (2 to 95°C) |
| Mounting | Orientation: Horizontal or vertical |
| POWER CONSUMPTION | 1 W |
| Power | 24 VDC/VAC (model dependent) or 3.6 V ER26500 lithium metal battery, user supplied and installed, battery acts as back-up if power is lost |
| PRESSURE | Drop: <1.5 psi (10 kPa) |
| Range | Flow: 110 (417) |
| Repeatability | Flowmeter: 1% |
| Type | Tenant ultrasonic BTU flowmeter |
| Weight | 10.1 (4.6) |
- With no moving components and a local parameter display, maintenance expenses are reduced.
- Data transmission with serial communication output standard that is seamless.
- Combined flow and temperature monitoring in one device eliminates the need for separate ones.
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