JOHNSON YOKOGAWA YF102-ALSA1A-S3S3 Fmf Tbs Yewflo Vortex C/fmf/tbs Flowmeter Parts/repair

( Brand: Johnson Yokogawa ), ( Manufacturer Part Number: YF102-ALSA1A-S3S3 ), ( Flow Meter Type: Vortex Flow Meter ), ( Country Of Origin: Japan )

Review JOHNSON YOKOGAWA C/fmf/tbs Yewflo Vortex Flowmeter Parts/repair

The **Johnson Yokogawa YF102-ALSA1A-S3S3 C/FMF/TBS YEWFLO Vortex Flowmeter** is a high-performance, industrial-grade flow measurement instrument designed for precision monitoring and control in demanding applications across a variety of industries, including oil and gas, chemical processing, power generation, and water treatment. This model belongs to the **YEWFLO series**, renowned for its robust construction, advanced vortex shedding technology, and exceptional accuracy in measuring fluid flow rates. The **YF102** variant is specifically engineered for **gas and steam applications**, featuring a **S3S3 sensor configuration** (likely indicating a dual-sensor or high-precision design for enhanced reliability) and equipped with **ALSA1A electronics**, which provide superior signal processing and communication capabilities. The **C/FMF/TBS** designation suggests compatibility with **FMF (Field Mounting Flange)** installation, **TBS (Turbine Blade Sensor)** technology for improved vortex detection, and potentially **FMF-compliant certifications** for safe operation in hazardous environments.

This vortex flowmeter operates on the principle of **K rm n vortex shedding**, where a bluff-body sensor inserted into the fluid stream generates periodic vortices as the fluid passes by. The frequency of these vortices is directly proportional to the flow velocity, allowing the device to calculate and display real-time flow rates with high precision. The **YEWFLO series** is particularly well-suited for **high-temperature and high-pressure applications**, making it ideal for steam, natural gas, and other corrosive or abrasive media where traditional flow meters may struggle. The **S3S3 sensor** configuration ensures minimal pressure loss while maintaining accuracy, and the **ALSA1A electronics** integrate advanced digital signal processing to filter noise, compensate for temperature and pressure variations, and provide stable, repeatable measurements even under fluctuating conditions.

For maintenance and repair purposes, this flowmeter is designed with **modularity and accessibility** in mind, allowing technicians to service individual components such as the **sensor assembly, electronics module, or communication interface** without replacing the entire unit. The **Field Mounting Flange (FMF)** design simplifies installation and removal, enabling quick access for calibration, cleaning, or replacement of worn parts. The **TBS (Turbine Blade Sensor)** technology further enhances durability by reducing erosion and wear, which is critical in applications involving abrasive fluids or particulate-laden streams. Additionally, the **YEWFLO series** supports multiple communication protocols, including **HART, Profibus, Foundation Fieldbus, and Modbus**, ensuring seamless integration with existing SCADA systems or PLC-based control networks. This flexibility makes it a versatile choice for both new installations and retrofitting existing infrastructure.

When sourcing replacement parts or performing repairs, it is essential to verify compatibility with the original **YF102-ALSA1A-S3S3** specifications, including the **sensor diameter, material grade (e.g., stainless steel or Hastelloy for corrosive environments), and electronic module version**. The **YEWFLO series** is built to withstand extreme operating conditions, with pressure ratings typically exceeding **400 bar (5,800 psi)** and temperature ranges from **-40 C to 400 C**, depending on the sensor material. For long-term reliability, regular maintenance should include **inspection of the sensor for erosion or damage, recalibration of the electronics, and verification of signal integrity** all of which can be efficiently addressed with the modular design of this flowmeter. Whether used in **pipeline monitoring, process optimization, or safety-critical applications**, the **Johnson Yokogawa YF102-ALSA1A-S3S3** delivers unmatched performance, making it a cornerstone of modern fluid measurement systems.

### **Pros and Cons of buying a Johnson Yokogawa YF102-ALSA1A-S3S3 (C/FMF/TBS) YEWFLO Vortex Flowmeter for Parts/Repair**

#### **Pros**

1. **Brand Reliability and Quality**

Johnson Yokogawa (now part of Yokogawa Electric Corporation) is a well-established manufacturer in industrial instrumentation, known for durable and precise flow measurement devices. The YF102 series is part of their YEWFLO line, which is designed for high-performance applications in industries like oil & gas, water treatment, and chemical processing. This suggests that the components are likely robust and built to last, making them a reliable choice for repair or replacement.

2. **Compatibility and Standardization**

The YF102-ALSA1A-S3S3 model is part of a standardized series, meaning that parts, wiring diagrams, and calibration procedures are widely documented. This makes it easier to source compatible components, troubleshoot issues, or find technical support. The "ALSA1A" designation likely refers to a specific sensor or transmitter variant, while "S3S3" may indicate a particular signal output or mounting configuration, ensuring that replacements align with the original specifications.

3. **Wide Availability of Parts**

As a legacy or widely used model, the YF102 series may have a larger pool of available parts compared to newer or niche models. This reduces the risk of obsolescence and makes it easier to find sensors, connectors, wiring harnesses, or calibration tools. Dealers, distributors, or even eBay, Alibaba, or specialized industrial marketplaces often carry these parts due to their longevity in the market.

4. **Technical Documentation and Support**

Yokogawa provides extensive technical documentation, including wiring diagrams, calibration guides, and troubleshooting manuals for their flowmeters. This can be invaluable when repairing the unit, as it ensures that replacements are installed correctly and the device is recalibrated properly. Some distributors may also offer technical support or warranty extensions for parts.

5. **Cost-Effectiveness for Repairs**

Purchasing the flowmeter for parts rather than a new unit can be significantly cheaper, especially if the core components (such as the vortex shedding sensor, transmitter electronics, or housing) are still functional. This is particularly useful for older systems where a full replacement would be prohibitively expensive.

6. **Compatibility with Existing Systems**

The YF102 model is likely designed to integrate seamlessly with existing control systems, HMI interfaces, or data acquisition setups. This avoids the need for additional modifications or software updates, making it a straightforward replacement option.

---

#### **Cons**

1. **Potential for Obsolete or Hard-to-Find Parts**

While the YF102 series is well-documented, some specific variants (e.g., certain sensor types, connectors, or firmware versions) may become difficult to source over time. This is especially true if the model is no longer actively produced. Always verify the availability of critical components (e.g., the vortex shedding sensor, transmitter PCB, or calibration certificates) before purchasing.

2. **Age of the Model**

- **Outdated Technology:** The electronics or signal processing may not be as advanced as newer models, potentially limiting features like digital communication (e.g., Profibus, HART, or Modbus) or remote diagnostics.

- **Compatibility Issues:** If the system requires modern interfaces (e.g., Ethernet/IP or wireless connectivity), the YF102 may not support them without additional adapters or upgrades.

- **Firmware Limitations:** Older firmware may lack security updates or compatibility with newer SCADA systems.

3. **Higher Risk of Failure in Core Components**

If the flowmeter is being purchased for parts, the likelihood exists that the unit itself may have internal failures (e.g., damaged wiring, corroded sensors, or failing transmitters). Without a thorough inspection, you may end up with a unit that requires additional repairs or has hidden defects. Always request a functional test or visual inspection if possible.

4. **Limited Warranty or Support**

Since the YF102 is likely a discontinued model, the seller may not offer a warranty or technical support. This shifts the responsibility entirely to the buyer to ensure proper installation, calibration, and troubleshooting. Some distributors may void warranties if the unit has been previously repaired or modified.

5. **Potential for Counterfeit or Mismatched Parts**

The used or refurbished market can sometimes include counterfeit or mismatched parts that do not function as intended. This is a risk when purchasing from unverified sellers. Always verify the authenticity of the unit (e.g., check serial numbers, model markings, or purchase from reputable distributors like Yokogawa-authorized dealers).

6. **Calibration and Certification Challenges**

Vortex flowmeters require precise calibration to ensure accurate measurements. If the unit has been damaged or mishandled, recalibration may be necessary. Some sellers may not provide calibration certificates, and obtaining them from a third party can add to the cost and time required for the repair.

7. **Environmental and Installation Considerations**

The YF102 may not be designed for extreme environmental conditions (e.g., high temperatures, corrosive media, or high-pressure applications). If the original installation was in such conditions, the unit may have degraded components that are not easily replaceable. Always confirm that the parts you purchase are suitable for the intended application.

---

### **Conclusion**

Buying the Johnson Yokogawa YF102-ALSA1A-S3S3 vortex flowmeter for parts or repair can be a **cost-effective and practical solution** if your primary goal is to restore functionality to an existing system. The model s reliability, standardization, and widespread availability of parts make it a strong candidate for repairs, especially in industries where Yokogawa equipment is commonly used. However, the potential risks such as obsolescence, hidden defects, or compatibility issues must be carefully considered.

### **Recommendation**

1. **Verify Part Availability**

Before purchasing, confirm that all critical components (sensor, transmitter, connectors, and wiring) are available from a reputable source. Contact Yokogawa s official distributors or authorized service centers to check for genuine parts.

2. **Inspect the Unit Thoroughly**

If possible, request a functional test or visual inspection of the flowmeter to ensure that the core components (e.g., vortex shedding sensor, electronics) are intact. Look for signs of physical damage, corrosion, or electrical issues.

3. **Check for Compatibility**

Ensure that the YF102 model is compatible with your existing system s communication protocols, power supply, and environmental conditions. If the unit lacks modern features (e.g., digital interfaces), consider whether an upgrade is necessary.

4. **Purchase from Trusted Sources**

Buy from authorized Yokogawa dealers, industrial equipment resellers, or verified online platforms (e.g., Grainger, McMaster-Carr, or specialized flowmeter suppliers) to avoid counterfeit or mismatched parts. Avoid sellers with no return policy or poor reviews.

5. **Budget for Calibration and Testing**

Factor in the cost of recalibration and certification if the unit requires it. Some service centers offer calibration services for vortex flowmeters, which may be essential for regulatory compliance or accurate measurements.

6. **Consider Alternatives if Necessary**

If the YF102 proves difficult to repair or if parts are unavailable, evaluate whether a newer model (e.g., Yokogawa s YF series with advanced features) or a compatible alternative (e.g., from Emerson, Siemens, or ABB) would be a better long-term investment.

7. **Document the Repair Process**

Keep records of all parts replaced, calibration certificates, and any modifications made. This ensures traceability and simplifies future troubleshooting or maintenance.

The YF102-ALSA1A-S3S3 is a **viable option for repair** if you prioritize cost savings and have access to genuine parts. However, weigh the risks of obsolescence and compatibility carefully. For critical applications, prioritize units with full documentation and support, or consider upgrading to a newer model if the YF102 s limitations become problematic.

Details:

It has not been tested. Please see pictures for more detail. Only items shown in pictures are included. Function: This item is for PARTS/ REPAIR.

Sale Includes: YOKOGAWA YEWFLO YF102-ALSA1A-S3S3 C/FMF/TBS Vortex Flowmeter, For Parts/Repair. Item has not been opened or disassembled. There are some minor scratches, scuffs, and/or blemishes on the item. Condition of internal components is unknown.

Cosmetic condition: This item is in good condition cosmetically. Sorry, no other parts, wiring or accessories included. Functionality is unknown. Shipping Method: Fed Ex.

part #: yf102alsa1as3s3 prices

• $300.00-$1299.00

specifications pneumativalv:

• brand: Johnson Yokogawa
• mpn: Yf102-alsa1a-s3s3
• flow meter type: Vortex Flow Meter
• country of origin: Japan

general pneumativalv:

• condition: For parts or not working
• Pump Flow Controllers > Flow Controllers Meters > Flow Meters

payments pneumativalv:

• other
• wallet: Google-pay
• credit card: Visa

returns pneumativalv:

• policy: No Returns

seller pneumativalv:

• rating: 99.6%
• city: Houston, Texas
• # reviews: 6558

offer pneumativalv:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: March 25, 2026
• best offers: True

shipping pneumativalv:

• carrier: FedEx, USPS
• type: Calculated
• cost: $49.60
• class: Standard
• transit: 3-8 Days
• service: FedEx Ground / FedEx Home Delivery, USPS Ground Advantage

Johnson Yokogawa YF102-ALSA1A-S3S3 Is Similar To:

• Eja110 Johnson Controls Yokogawa Differential Pressure Transmitter (30.2% similar) This is used and untested. Review the pictures for included elements and condition of item. It is a 4-20 ma output differential flow transmitter by Yokogawa. To make sure you are getting an accurate quote via the shipping calculator, your zip code is default when calculating cost for this item. It ...(February 25th, 2018)
• Yf 102-ab3a-s3s3 E-fmf-sct Johnson Yokogawa Vortex Flowmeter (38.2% similar) Industrial supplies equipment fiber optics lab restaurant automation controls test retail services semiconductor PCB equip. Lot of 500 250LDB, 022806, MSD28774, 21AA13C PCB boards T75498 1,000. A 05869ASSY T13139 1, ray chem 55PC2212-20-9-9CS2573, multi-conductor cable, 20 wag, 4902 ft us module ...(April 23rd, 2020)
• Johnson Controls Yfa11-aupa-05 E fmf sct Yfa11-aupa-05 E fmf sct Vortex Flow Converter 24v-dc (53.4% similar) Safety and security. Valve bodies and manifolds. Solenoid coils. Flow indicators. Shock absorbs. Solenoid valves. Electrical enclosures...(October 17th, 2024)
• Johnson Yokogawa Yfa11-gspa-02 C fmf tbl Used Yfa11-gspa-02 C fmf tbl Vortex Flowmeter 24vdc 257.5 P gal (65.4% similar) Johnson Yokogawa yewflo vortex flowmeter, model: YFA11, suffix: -GSPA-02 c/fmf/TB, supply: 24V dc, output: 4 - 20 ma k factor: 257.5 p/gal, range: 35 s cfm , no. 8022A018 1988 , location: Belgium, WI 53004, item no...(October 28th, 2024)
• Johnson Yokogawa Yfa11-lspa-05 C fmf tbl Used Yfa11-lspa-05 C fmf tbl Vortex Flowmeter 24vdc 33.1 P gal (65.7% similar) Johnson Yokogawa yewflo vortex flowmeter, model: YFA11, suffix: -LSPA-05 c/fmf/TB, supply: 24V dc, output: 4 - 20 ma k factor: 33.1 p/gal, range: 316 s cfm , no. 8042A013 1988 , location: Belgium, WI 53004, item no...(October 29th, 2024)
• Johnson Yokogawa Yfa11-aupa-04 E fmf tbl Used Yfa11-aupa-04 E fmf tbl Vortex Flow Converter 24vdc (61% similar) Johnson Yokogawa yewflo vortex flowmeter, model: YFA11, suffix: -AUPA-04 e/fmf/TB, supply: 24V dc, output: 4 - 20 ma no. 5352B009C 1995 , location: Belgium, WI 53004, item no...(October 30th, 2024)
• Johnson Yokogawa Yfa11-aupa-02 E fmf tbl sct Used Yfa11-aupa-02 E fmf tbl sct Vortex Flow Converter 24vdc (59.6% similar) 3332B011C 1993 , location: Belgium, WI 53004, item no. Johnson Yokogawa yewflo vortex flowmeter, model: YFA11, suffix: -AUPA-02 e/fmf/TB/Scot, supply: 24V dc, output: pulse, k factor: km 253.5 p/gal, no...(October 30th, 2024)
• Johnson Yokogawa Yfa11-aupa-05 E fmf tbl sct Used Yfa11-aupa-05 E fmf tbl sct Vortex Flow Converter 24vdc (59.6% similar) 70828020C 1997 , location: Belgium, WI 53004, item no. Johnson Yokogawa yewflo vortex flowmeter, model: YFA11, suffix: -AUPA-05 e/fmf/TB/Scot, supply: 24V dc, output: 4-20 ma k factor: km 33.52 p/gal, range: 0-100 GM, no...(October 30th, 2024)
• Johnson Yokogawa Yfa11-gspa-10 C fmf tbl sct Used Yfa11-gspa-10 C fmf tbl sct Vortex Flow Converter 24vdc (61.5% similar) Johnson Yokogawa yewflo vortex flowmeter, model: YFA11, suffix: -GSPA-10 c/fmf/TB/Scot, supply: 24V dc, output: 4 - 20 ma k factor: km 5.337 p/gal, range: 0-40000 lb/hp, no. 3162B071C 1993 , frequency: 281.46 Hz, location: Belgium, WI 53004, item no...(October 30th, 2024)
• Johnson Yokogawa Yf102-aaua1a-s3s3 E fm Used Yf102-aaua1a-s3s3 E fmf Vortex Flowmeter 24vdc 1440 Psig (75.7% similar) Johnson Yokogawa yewflo vortex flowmeter, model: YF102, suffix: -AAUA1A-S3S3 e/fmf, supply: 24 CDC, output: 4 - 20 ma dc, MP: 1440 pig, k factor: km 258.1 f/gal, range: 60 GM, Belgium WI, 53004 item no...(April 1st, 2025)
• Johnson Yokogawa Yfa11-lspa-04 C fmf tbl Used Yfa11-lspa-04 C fmf tbl Vortex Flowmeter 0-50 Gpm (66.3% similar) 4092A011/Z 1984 , Belgium WI, 53004 item no. Johnson Yokogawa yewflo vortex flowmeter, model: YFA11, suffix: -LSPA-04 c/fmf/TB, supply: 24VDC, output: 4 - 20 ma dc, k factor: 69.49 p/gal, range: 0-50 GM, no...(April 2nd, 2025)