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Yokogawa ALF111-50 Product Overview
The Yokogawa ALF111-50 is a high-precision flow meter designed for industrial applications requiring accurate and reliable fluid measurement. It is part of Yokogawa’s renowned ALF series, known for its durability, advanced technology, and adaptability to harsh environments.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | ALF111-50 |
| Measurement Range | 0.1 to 50 L/min (liquid) |
| Accuracy | ±0.5% of reading |
| Pressure Rating | Up to 1.0 MPa |
| Operating Temperature | -10°C to +60°C |
| Material | Stainless steel (wetted parts) |
| Output Signal | 4-20 mA, Pulse, RS-485 |
| Power Supply | 24 VDC (±10%) |
| Enclosure Rating | IP67 |
| Dimensions (L x W x H) | 130 x 127.5 x 32.8 mm |
| Weight | 0.4 kg |
| Process Connections | G1/2″ female thread |
Product Applications
The ALF111-50 is widely used in industries where precise flow measurement is critical:
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Chemical Processing: Monitoring reagent dosing and solvent flow.
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Pharmaceuticals: Ensuring accurate liquid dispensing in drug manufacturing.
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Water Treatment: Measuring chemical injection rates.
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Food & Beverage: Controlling flow rates in production lines.
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Oil & Gas: Monitoring lubricant or fuel flow in pipelines.
Product Advantages
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High Accuracy: ±0.5% deviation ensures reliable data for critical processes.
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Robust Construction: Stainless steel body resists corrosion and wear.
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Versatile Outputs: Supports analog, digital, and serial communication.
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Easy Integration: Compact design fits into existing systems seamlessly.
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Low Maintenance: No moving parts reduce downtime and servicing costs.
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IP67 Protection: Suitable for dusty or wet environments.
FAQ (Frequently Asked Questions)
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What fluids can the ALF111-50 measure?
It is designed for liquids, including water, chemicals, and light oils. -
Is the meter suitable for high-viscosity fluids?
Yes, but performance may vary; consult Yokogawa for specific fluids. -
Can it be used with corrosive liquids?
Yes, if the wetted materials (stainless steel) are compatible. -
How do I calibrate the ALF111-50?
Calibration requires a Yokogawa-approved setup or service technician. -
What is the lifespan of the product?
Typically 5+ years with proper maintenance. -
Does it require external power?
Yes, 24 VDC power is mandatory for operation. -
Is the output signal adjustable?
Yes, via onboard configuration or software. -
Can it measure bidirectional flow?
No, it is unidirectional unless specified otherwise. -
What is the lead time for delivery?
Standard lead time is 4-6 weeks; expedited options may be available. -
Is the ALF111-50 explosion-proof?
No, but Yokogawa offers ATEX-certified variants (e.g., ALF111-50Ex).
Recommended Related & Popular Models
Same Series (ALF Series)
| Model | Key Feature | Measurement Range |
|---|---|---|
| ALF111-10 | Compact design | 0.1–10 L/min |
| ALF111-100 | High-capacity flow | 5–100 L/min |
| ALF111-50Ex | Explosion-proof | 0.1–50 L/min |
| ALF112-50 | Enhanced temperature range | -20°C to +80°C |
| ALF120-50 | Digital display | 0.1–50 L/min |
| ALF130-50 | Multi-parameter output | 0.1–50 L/min |
Other Popular Yokogawa Models
| Model | Type | Application |
|---|---|---|
| AXF050G | Magnetic flow meter | Water/wastewater |
| DYF115 | Vortex flow meter | Steam/gas measurement |
| ROTAMASS TI | Coriolis flow meter | High-accuracy liquids/gas |
| UT550 | Ultrasonic flow meter | Non-invasive liquid flow |
| YF100 | Variable area flow meter | Low-cost visual monitoring |
| ADMAG AE | Compact magmeter | Chemical processing |
