Get your Special Pricing!

Web Price:

$751.04

Availability: This product is currently available to purchase

Orders over $999 ship FREE*

*Free shipping applies within the continental US and weighing less than 50 lbs. Shipping and Returns Terms

Ship to Estimates

Are you from Chicago?

Yes / No

This item ships to

Change

Cancel

*shipping cost are estimated until you complete your order

The product is not cancelable or returnable unless found defective

Speak With a Technical Expert

Hours: 9am - 5pm CDT M-F

Call (847) 773-0645 Email Technical Expert

Documents: TUF-250-BN

F-TUF F-TUF-B F-TUF-V051 MODBUS Registry Tables Series TUF Catalog Page TUF More Info

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.

Brand: DwyerSKU: TUF-250-BN

The photo is for representation purposes only and may not be a photo of product being purchased.

Search products similar to TUF-250-BN

Jump to: Overview & Specifications Reviews

Overview Details for TUF-250-BN

See catalog product page for full listing

Tenant ultrasonic BTU flowmeter | DN25 pipe size and 3.5 m3/h permanent flow rate with BACnet® communication.

Series TUF Ultrasonic Energy Meter

Energy Monitoring Capability, No Moving Parts, Compact and Light Weight

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.

California Residents: Click Here for Proposition 65 WARNING.

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.