CERTEON CK-ASW-1-K Ultrasonic Flow Meter Instruction Manual

1. Product Overview

This Card-Type Ultrasonic Flow Meter is a clamp-on, non-invasive device designed for measuring the flow rate of liquids in closed pipelines. It is suitable for water, seawater, sewage, and other compatible liquids. The instrument utilizes dual-channel ultrasonic transit-time measurement technology to provide stable and reliable flow data without cutting or interrupting the pipeline. The device supports bi-directional flow measurement and is widely used in agriculture, water resource management, municipal systems, and industrial applications.

CERTEON Card type ultrasonic flow meter with key features listed: DN50 to DN150, RS485 NB wireless module 4G, 2% Accuracy, Lithium Battery DC8-24V. — Figure 1: CERTEON Card-Type Ultrasonic Flow Meter highlighting key features and pipe diameter compatibility.

Lightweight and precise battery-powered card-style ultrasonic flowmeter. — Figure 2: The flow meter features a lightweight and precise battery-powered design.

Diagram of the ultrasonic flowmeter showing its components: waterproof junction box, protective cover, display screen and operation keypad, flow direction and diameter indicator, label, and independent transducer. — Figure 3: Detailed view of the flow meter components, including the waterproof junction box, display, and transducer.

Video 1: Chikong Automation company overview and product applications, showcasing manufacturing and use cases.

2. Specifications

Attribute	Value
Model Number	CK-ASW-1-K
DIY Supplies	Plumbing
Brand Name	CERTEON
Origin	Mainland China
Pipe Diameter Options	DN50 to DN150 with RS485, NB wireless module, 4G
Communication	RS485, customizable NB wireless
Material	Plastic
Installation Method	Flange Clamp
Accuracy	2%
Standard Compliance	IS04064-2014, GBT778-2018
Measured Fluid	Water, Sewage, Seawater (customizable for other liquids)
Fluid Temperature	0.1-30°C
Environment Temperature	-30-45°C; Humidity 100% (RH)
Pressure Resistance	1.6 MPa
Pressure Loss	None
Flow Field Sensitivity	U5 (Upstream), D3 (Downstream)
Climate & Mechanical Class	C
Electromagnetic Class	E2
Communication Interface	RS485/USART/Infrared, Optional M-BUS; NB-IoT wireless transmission
Output Signal	Optional OCT
Power Supply	Built-in Lithium Battery (3.6V, 4Ah) / External DC8-24V
Protection Rating	IP68
Display	Dual-line local display showing 9-digit cumulative flow, 6-digit instantaneous flow, and various status indicators and units
Data Storage	Ferroelectric memory stores parameters, automatically recording cumulative flow for the past 32 months and 31 days
Measurement Frequency	Standard: 1/sec (adjustable), Calibration: 4/sec
Power Consumption	<30uA, Battery lasts up to 15 years
Material Composition	Nylon + Fiberglass for tube, PEEK sensor, UV-resistant ABS

Detailed specifications for model ASW-1-K-DN(50) including protection level, communication, medium temperature, pressure level, accuracy, shell material, flange details, flow range, measuring range ratio, power supply mode, and meter thickness. — Figure 4: Specific technical details for the ASW-1-K-DN(50) model, including IP68 rating and communication protocols.

Product size diagram with dimensions W1, W2, H1, H2, D, D1, D2, and a side view showing thickness 50.80. — Figure 5: Dimensional drawing of the flow meter, indicating various measurements for installation planning.

3. Key Features

Dual-Channel Ultrasonic Measurement: Ensures long-term accuracy and stability in various fluid conditions.
Battery Powered: Equipped with a lithium battery that lasts up to 10 years, with an option for external power supply.
IP68 Waterproof Design: Robust waterproofing makes it suitable for harsh environments.
High-Definition LCD Display: Shows 9-digit cumulative flow, 6-digit instantaneous flow, multiple unit options, and status indicators.
No Moving Parts: Suitable for various water qualities, including those with sand and debris, reducing wear and tear.
Ultra-thin Body: Space-saving design made with special materials for high strength and corrosion resistance.
Bidirectional Measurement: Capable of measuring both forward and reverse instantaneous and cumulative flow rates.
Wide Pipe Material Compatibility: Suitable for steel, stainless steel, aluminum, PVC, and other dense pipe materials.

Card-style Ultrasonic Water Meter features: RS485 Communication compatible with MODBUS, Battery powered with 10 years lifespan, and Ultrasonic Measurement for long-term accuracy. — Figure 6: Core features of the ultrasonic flow meter, including communication, power, and measurement technology.

Key advantages of the flow meter: No moving parts, ultra-thin body, and support for bidirectional measurement. — Figure 7: Advantages such as no moving parts for durability and bidirectional flow measurement capability.

Images showing compatibility with various pipe materials: carbon steel, aluminum, stainless steel, and PVC pipes. — Figure 8: Visual representation of the flow meter's compatibility with different pipe materials.

4. Setup and Installation

4.1 Preparation

Verify that the selected model matches the pipe diameter and material. Ensure the pipe is completely filled with liquid and free from excessive vibration. Confirm that the operating temperature and pressure are within the specified limits. Install the device using the flange clamp method according to the pipe size.

4.2 Installation Procedure

Secure the meter onto the pipeline at the designated installation position. Ensure correct upstream and downstream straight pipe lengths according to U5 and D3 requirements. Power the device using the internal battery or external DC supply. If communication output is required, connect the RS485 or selected interface according to the wiring specification provided by the seller.

Labeled diagram of the meter showing its waterproof junction box, protective cover, display screen and operation keypad, independent sensor structure, flow direction and diameter, label, and 2-inch thickness. — Figure 9: Diagram illustrating the meter's physical features relevant for installation.

Close-up of a DN50 ultrasonic flow meter, highlighting its RS485 communication, 4*M18 flange with 125mm center, and flow range of 0.635-50m³/h. — Figure 10: Specific details for the DN50 model, including communication interface and flange specifications for installation.

5. Operating Instructions

5.1 Data Reading

The LCD display cumulatively shows 9-digit cumulative flow and 6-digit instantaneous flow, along with various status indicators. Data can be transmitted via RS485, Infrared, M-BUS, or optional NB-IoT modules depending on configuration. For integration into external systems, use the communication protocol provided by the seller.

High-definition large display showing 9-digit cumulative flow, 6-digit instantaneous flow, infrared communication interface, touch-sensitive keys, multi-status indicators, and configurable for multiple flow units. LCD display content description includes recoverable fault, leak detection, wireless communication, communication in progress, permanent fault, and low battery warning. — Figure 11: Detailed view of the high-definition LCD display, explaining various indicators and data points.

6. Maintenance

6.1 Storage

Store the device in a dry, ventilated environment away from direct sunlight and corrosive gases. If not used for an extended period, keep the device in its original packaging.

6.2 Cleaning

Clean the exterior with a soft, damp cloth. Do not use solvents or abrasive cleaners.

6.3 Periodic Inspection

Periodically inspect the installation stability and sealing condition to maintain IP68 protection performance.

7. Troubleshooting

Specific troubleshooting steps are not detailed in the provided information. For issues, please refer to the comprehensive user manual (PDF) or contact customer support.

8. User Tips

For wireless data transmission, ensure you have a compatible module that supports RS485 and can integrate with your online system. The manufacturer can provide the interface protocol for easier integration.
When installing, pay close attention to the upstream and downstream straight pipe lengths (U5 and D3 requirements) to ensure optimal accuracy.
Regularly check the battery status via the display to ensure continuous operation, especially if using the internal lithium battery for extended periods.
Ensure the pipe is always completely filled with liquid and free from excessive vibration for accurate readings.

9. Safety Precautions

Installation must be performed by qualified personnel familiar with pipeline systems and electrical safety.
Before installation or maintenance, ensure the pipeline is depressurized to avoid injury.
Risk of electric shock: When using external DC power supply, disconnect power before servicing.
Do not install in explosive atmospheres unless certified for such environments.
Keep out of reach of children.
Proper disposal: This product contains electronic components and a lithium battery. Dispose of in accordance with the WEEE Directive and local regulations for electronic waste and batteries.
Ensure that the measured liquid is compatible with the sensor materials. For corrosive liquids, confirm customization before installation.
Do not exceed the maximum pressure of 1.6 MPa.
Operate only within the specified temperature and humidity ranges.
Avoid strong electromagnetic interference sources near the installation site.
Do not disassemble the device or replace the internal battery without authorization.
When using external DC power, ensure correct voltage within 8-24 V DC to prevent damage.

10. Warranty and Support

This product comes with a 13-month warranty, and is quality inspection certified. For technical support, customization inquiries, or bulk orders, please contact the manufacturer directly. Contact information may be found in the product packaging or official documentation.

Image highlighting features like ultra-low power consumption with 10 years battery life, original chip for enhanced precision, 13-month warranty with quality inspection, and ample stock. — Figure 12: Overview of product quality, warranty, and supply chain assurances.

For further details, refer to the official user manual (PDF): View User Manual (PDF)

11. Compliance Disclaimer

This document is provided for product instruction purposes only. It does not constitute legal advice. The seller is responsible for ensuring compliance with destination market regulations.

CERTEON CK-ASW-1-K