TUF-250-BN | Tenant ultrasonic BTU flowmeter | DN25 pipe size and 3.5 m3/h permanent flow rate with BACnet® communication. | Dwyer
Tenant ultrasonic BTU flowmeter, DN25 pipe size and 3.5 m3/h permanent flow rate with BACnet® communication.
Documents and manuals
Dwyer TUF-250-BN Documents
Overview
Details for TUF-250-BN
Tenant ultrasonic BTU flowmeter | DN25 pipe size and 3.5 m3/h permanent flow rate with BACnet® communication.
Series TUF Ultrasonic Energy Meter
The Series TUF Ultrasonic Energy Meter is a highly accurate and stable energy meter that utilizes ultrasonic technology to measure heating and cooling energy consumption. The Series TUF is a compact meter with a flowmeter and energy calculator in one, making it great for installation on chillers and boilers.
INSTRUCTIONS FOR ORDERING
• Choose 1 ultrasonic energy meter model (includes 2 BSPP pipe fittings, 2 tightening nuts, 2 o-rings, and 1 thermowell with welding collar)
• Choose 1 pipe fitting model given the appropriate fitting size if NPT or BSPT connections are required (for DN15 to DN40 only)*
Example: TUF-150-MD, Fitting Size: A, select pipe fitting Model WM-ACC-C01 or WM-ACC-C11.
Product Applications
- Heat metering
- Utilities billing
- Tenant billing
- Monitoring of water heating or cooling: radiators, fan coils
- Lower maintenance costs with local parameter display and no moving parts
- Seamless data transfer with serial communication output standard
- Eliminate the need for multiple units with a flow and temperature monitor in one
Specifications
- Series
- TUF Ultrasonic Energy Meter
- Service
- Clean; compatible liquids.
- Wetted Materials
- Brass and 316L SS.
- Range
- See chart on catalog page.
- Display
- 8-digit LED.
- Accuracy
- BTU: EN1434/CJ128 Class2; Flow: ±(2+(0.02 Qp / Q))%;Temperature: ±0.1°C.
- Power Requirements
- 24 VDC/VAC(model dependent) or 3.6 V ER26500lithium metal battery; user suppliedand installed; battery acts as back-up ifpower is lost.
- Power Consumption
- 1 W.
- Temperature Limits
- Ambient: 41 to 131°F (5 to 55°C); Process: 36 to 203°F(2 to 95°C).
- Humidity Limit
- <93%.
- Pressure Limits
- 232 psi (16 bar) for DN15 to DN40; 362 psi (25 bar) for>DN50.
- Pressure Drop
- <1.5 psi (10 kPa).
- Process Connection
- See chart on catalog page.
- Serial Communications
- Modbus® RTU or BACnet MSTP (selectable)**.
- Enclosure Rating
- IP65.
- Enclosure Material
- Plastic.
- Repeatability
- Flowmeter: 1%.
- Electrical Connections
- 3' (0.91 m) 4x0.2 mm2 cable with terminal block.
- Flow Direction
- Unidirectional.
- Mounting Orientation
- Horizontal or vertical.
- Weight
- See chart on catalog page.
- Agency Approvals
- CE.
- **M-BUS available upon request.
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