Product Overview
The TUF-2000 dual channel ultrasonic flow meter is designed for large-diameter flow measurement based on ISO 4064-2005 and GBT 778-2007 standards. It uses ultrasonic transit-time technology and dual channel layered fluid measurement to deliver accurate and stable metering performance.
This series is widely used in urban water supply, water resource management, and industrial production. It is suitable for measuring water, wastewater, and seawater in full pipelines. Other liquids are available by customization.
Key Features
Dual Channel Ultrasonic Measurement
The meter adopts newly developed ultrasonic transit-time measurement technology. With dual channel measurement, it supports accurate flow metering with stable and reliable operation.
- Dual channel layered fluid measurement
- High-accuracy measurement
- Wide turndown ratio
- Low power consumption
Durable Meter Body Construction
The meter body material meets international standards for new urban water transmission applications and satisfies ISO 4064 service life requirements for the meter housing.
- Meter body: ductile iron 450-10
- Optional full stainless steel 304 housing
- Cover and end cap: stainless steel 304
IP68 Waterproof Design
The complete meter is sealed to IP68 protection level. Each component, including the core unit, sensors, and battery, also reaches IP68 protection individually, allowing long-term operation even if water enters the meter body.
- Full meter waterproof design
- Component-level waterproof protection
- IP68 rating
- Can operate underwater at 2 meters
Display and Measurement Functions
The local display provides dual-line information including cumulative flow, instantaneous flow, status symbols, and units.
- Displays instantaneous flow and totalized flow on the same screen
- Selectable measurement units: cubic meter, US gallon, cubic foot, and liter
- Supports forward and reverse flow measurement
- Supports forward and reverse cumulative flow measurement
- Local display includes 9-digit totalizer and 4-digit instantaneous flow
Low Pressure Loss and Low Start Flow
The TUF-2000 series features no moving parts, maintenance-free operation, and low hydraulic resistance.
- No moving parts
- Maintenance-free design
- Low pressure loss, meeting ISO 4064 minimum pressure loss class ΔP10
- Helps reduce pump energy consumption and water supply cost
- Starting flow velocity lower than 0.01 m/s
Long-Life Power Supply
The meter includes a built-in lithium battery and also supports external power options.
- Built-in lithium battery: 3.6V, 19Ah
- Continuous operation for more than 6 years with one battery
- Automatic power-saving mode during empty pipe or long-term stagnant flow conditions
- Supports external 5V DC power supply
- Supports 4-20mA two-wire power supply
Communication and Output Options
The TUF-2000 dual channel ultrasonic flow meter supports multiple communication interfaces and signal outputs for integration into monitoring and management systems.
- Communication interfaces: RS485 / USART / Infrared
- Supports CJ-188 protocol for meter reading, parameter read/write, and software upgrade
- Output signals: two isolated OCT outputs or TTL pulse outputs
- One 4-20mA analog output
- RS485 or MODBUS wiring support
Infrared Communication Interface
- Supports meter reading
- Supports parameter read and write
- Supports software upgrade
Touch Operation
- Browse and set parameters
- Query yearly, monthly, and daily cumulative flow
- Modify selected parameters such as time and communication address
Multifunction Core Unit
The multifunction core unit allows wiring without opening the meter cover while maintaining waterproof performance. It provides terminals for sensors, battery, temperature measurement, analog output, communication, pulse output, and external power.
- 2-channel ultrasonic sensor wiring
- Battery wiring
- 2-channel temperature measurement wiring
- Two-wire 4-20mA output
- RS485 or MODBUS wiring
- Two isolated OCT outputs
- 2-channel TTL pulse output
- External power connection
Integrated Control and Data Functions
Built-in Batch Controller
The built-in batch controller can be started manually or automatically at preset times to support timed and quantified water supply or quantified irrigation.
- Manual or scheduled controller startup
- Automatic timed and fixed-quantity water supply
- Fixed-quantity irrigation support
- Up to 35 timing points per week
- Up to 5 timing points per day
- About 150 timing points per month
Time-of-Use Accumulator
The built-in time-segment accumulator supports cumulative flow recording within set time periods for tiered tariff applications.
Data Storage
- EEPROM / FLASH parameter storage
- Automatically records cumulative flow for the previous 128 months
- Automatically records cumulative flow for the previous 512 days
Technical Specifications
- Standards: ISO 4064-2005, GBT 778-2007
- Measured fluids: water, wastewater, seawater; other liquids by customization
- Pipe condition: full pipe
- Fluid temperature: 0.1-30℃
- Ambient temperature: -10 to 45℃
- Humidity: ≤100% RH
- Pressure rating: 1.6MPa / 2.5MPa optional
- Upstream flow disturbance sensitivity class: U3
- Downstream flow disturbance sensitivity class: D0
- Climate and mechanical environment safety class: C
- Electromagnetic compatibility class: E2
- Protection rating: IP68
- Measurement cycle: 1 time/second in measurement mode, adjustable to 2-4 times/second; 4 times/second in calibration mode
- Power consumption: <2.7Ah/year
Available Sizes and Flow Range
The TUF-2000 series covers a full range of sizes. Dual channel models are available from DN50 to DN300.
- DN50
- DN65
- DN80
- DN100
- DN125
- DN150
- DN200
- DN250
- DN300
The series flow table also includes DN15 to DN40 models, while the selection information specifies DN15-DN40 as single channel and DN50-DN300 as dual channel.
Applications
The TUF-2000 dual channel ultrasonic flow meter is widely used in:
- Urban water supply
- Water resource management
- Industrial production
- Water consumption monitoring in large supply systems
- Automatic timed water supply applications
- Quantified irrigation applications
Remote Reading and Networking
This series supports communication and meter reading solutions for different management needs.
- Wireless automatic meter reading for large water supply system management and water resource consumption monitoring where GSM network coverage is available
- Optional RF short-range wireless communication module and handheld wireless meter reader for manual wireless reading
Ordering Information
Selection code format: TUF-2000-1-□-□-□-□
- Size:
- DN15-DN40: single channel
- DN50-DN300: dual channel
- Body material:
- C: ductile iron
- S: stainless steel
- Output interfaces:
- 1: RS485
- 2: M-BUS (currently no hardware interface)
- 3: DC8-36V
- 4: two-wire 4-20mA
- 5: OCT1
- 6: OCT2
- 7: C1 TTL pulse output
- 8: C2 TTL pulse output
- Two output interfaces can be selected
- Standard configuration: 1 and 3
- Additional functions:
- 1: RF communication module (under development)
- 2: GSM module (under development)
Dimensions and Weight
Available dimensional and weight data are provided for DN50 to DN300 models under 1.6MPa pressure class.
- DN50: 10.0 kg
- DN65: 11.5 kg
- DN80: 13.6 kg
- DN100: 18.6 kg
- DN125: 23.5 kg
- DN150: 30.0 kg
- DN200: 35.5 kg
- DN250: 58.0 kg
- DN300: 76.0 kg