Compressed Air Thermal Mass Flow Meter SRK-DL for Leak Detection
The SRK-DL thermal mass flow meter is engineered for precise compressed air flow measurement, with the sensitivity to detect leaks as low as 2 sccm. Its thermal dispersion technology delivers direct mass flow readings, unaffected by pressure and temperature variations, making it an essential tool for energy conservation and system optimization in industrial plants.
Key Selling Points
Ultra-Low Flow Sensitivity: Detects air leaks down to 2 sccm (2 ml/min), validated by a long-term case study with over 10 years of reliable operation.
High Accuracy: ±1% F.S. accuracy ensures precise measurement of variable flow rates, from low night-time usage to peak production demands.
Versatile Outputs: Compatible with 0-5V, 4-20mA, and 1-5V outputs, easily integrating into DCS/PLC control systems.
Rugged Construction: Stainless steel body withstands demanding industrial environments, including temperature extremes and contaminants like oil and dust.
Wide Turndown Ratio: Accurately measures fluctuating flows, from intermittent usage to continuous operation, optimizing energy consumption.
Technical Specifications
Parameter
Value
Flow Range
2 sccm ~ 30 SL/M
Accuracy
± 1% F.S.
Output Signal
0~5V, 4-20mA, 1-5V
Communication
RS232/485, MODBUS
Power Supply
±15VDC, 24VDC
Material
Stainless Steel
Models and Options
Model SRK-DL is available in various configurations to suit different installation requirements. Options include different process connections, output signals, and communication protocols. Contact our sales team for detailed configuration assistance.
Materials and Structure
The flow meter body is constructed from stainless steel, ensuring durability and compatibility with compressed air systems. The thermal sensor elements are designed for minimal pressure drop and resistance to fouling.
Applications
Specifically designed for compressed air flow measurement in industries such as manufacturing, automotive, food and beverage, pharmaceuticals, textiles, electronics, petrochemicals, and energy. Ideal for:
Leak detection and quantification
Energy monitoring and saving projects
Compressor performance and scheduling
Departmental billing and allocation
Pressure drop and anomaly detection
Customization
We offer full customization to meet specific application needs. Options include special flow ranges, output signals, process connections, and materials. Our engineering team can develop tailored solutions for your unique requirements.
Case Study
Air Leak Detection in Manufacturing Plant (China)
A manufacturing facility used the SRK-DL for 2 sccm low flow air measurement. Three units were installed to detect air leakage down to 2 ml/min. The meters have been operating for more than 10 years, demonstrating extreme sensitivity in identifying even the smallest leaks, enabling significant energy savings and improved system efficiency.
FAQ
Q1: Can the SRK-DL measure fluctuating air flow?
Yes, the meter's wide turndown ratio and high accuracy (±1% F.S.) ensure reliable measurement even with fluctuating flow patterns typical in compressed air systems.
Q2: What output signals are available?
The SRK-DL supports 0-5V, 4-20mA, and 1-5V outputs, providing flexibility for integration with various control systems.
Q3: Is the meter suitable for variable pressure conditions?
Absolutely. Thermal mass flow meters measure mass flow directly, minimizing the impact of pressure variations on measurement accuracy.
Q4: How does the meter handle contaminants like oil and dust?
While the sensor is robust, we recommend appropriate filtration for heavily contaminated streams. The stainless steel construction offers resilience, but maintenance guidelines should be followed.
Q5: What communication options are supported?
RS232, RS485, and MODBUS communication protocols are available for remote monitoring and integration.
Q6: Does the meter require regular recalibration?
We recommend periodic calibration to maintain accuracy. Pre-shipment calibration is standard, and re-calibration services are available.
Q7: Can the SRK-DL be used for other gases?
Yes, it can be calibrated for various gases. Please contact us with your specific gas type and range.
Q8: What is the lead time for orders?
Most orders ship within 7-10 working days. We offer fast global delivery options.
Inquiry Information
For pricing, availability, or technical consultation, please contact our sales team:
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