HACH FL904 Flow Logger Sensor Ports Wireless Verizon FL900

( Brand: Hach ), ( Manufacturer Part Number: FL904 ), ( Model: FL900 ), ( Part Type: Flow Sensor ), ( Flow Meter Type: Ultrasonic Doppler Flow Meter )

Review HACH Flow Logger Sensor Ports Wireless activated Verizon

The **Hach FL904 Flow Logger Sensor Ports Wireless-Activated (Verizon)** is a cutting-edge, all-in-one water quality monitoring solution designed to provide real-time, remote access to critical flow and water quality data for municipal, industrial, and environmental applications. Engineered for durability and precision, this advanced sensor combines the reliability of Hach s industry-leading technology with seamless wireless connectivity via Verizon s robust cellular network, ensuring uninterrupted data transmission even in remote or challenging field conditions. The FL904 features four dedicated sensor ports, accommodating a variety of Hach s high-performance probes such as conductivity, pH, dissolved oxygen, turbidity, or ORP sensors allowing operators to monitor multiple parameters simultaneously with unmatched flexibility. Its compact yet rugged design is built to withstand harsh environments, with an IP68-rated enclosure that protects against dust, water immersion, and extreme temperatures, making it ideal for outdoor installations, wastewater treatment plants, or field sampling sites. The wireless activation via Verizon s LTE network eliminates the need for cumbersome wiring or on-site data loggers, enabling instant cloud-based data logging, alerts, and reporting through Hach s intuitive **Hach Connect** platform or third-party integrations like SCADA systems. With features such as low-power operation, long battery life (up to 12 months with standard sensors), and automatic calibration reminders, the FL904 ensures continuous, hassle-free monitoring while minimizing maintenance demands. Whether deployed for compliance monitoring, process control, or environmental compliance, this sensor delivers actionable insights with unparalleled accuracy, making it an indispensable tool for water quality professionals seeking to optimize operations, reduce downtime, and ensure regulatory adherence.

The **Hach FL904 Flow Logger** is a wireless, Verizon-activated flow monitoring device designed for water and wastewater applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Hach FL904 Flow Logger**

1. **Wireless Communication**

- Eliminates the need for wired connections, reducing installation complexity and maintenance costs.

- Enables real-time remote monitoring via Verizon s cellular network, allowing operators to access data from anywhere.

2. **Accurate Flow Measurement**

- Uses ultrasonic technology for precise flow rate measurements, suitable for both water and wastewater applications.

- Compatible with various pipe sizes (typically 2" to 12" depending on model variants), offering flexibility for different systems.

3. **Durable and Weatherproof Design**

- Built to withstand harsh environmental conditions, including exposure to moisture, dust, and temperature fluctuations.

- IP68-rated enclosure ensures reliability in outdoor or industrial settings.

4. **Low Maintenance**

- Fewer moving parts compared to mechanical meters, reducing the risk of mechanical failure.

- Self-diagnostic features alert operators to potential issues before they escalate.

5. **Data Logging and Remote Access**

- Stores historical data internally, allowing for long-term trend analysis.

- Cloud-based or software integration (e.g., Hach s FlowNet or third-party platforms) enables automated reporting and alerts.

- Verizon s cellular connectivity ensures consistent data transmission even in remote locations.

6. **Compliance and Reporting**

- Meets regulatory requirements for flow monitoring in water treatment, municipal systems, and industrial applications.

- Generates detailed reports for billing, leak detection, and operational efficiency tracking.

7. **Scalability**

- Can be integrated into larger monitoring networks, supporting multi-site deployments.

- Compatible with SCADA systems for centralized control and management.

8. **Energy Efficiency**

- Operates on low power, extending battery life (if battery-powered) or reducing energy consumption in hardwired setups.

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### **Cons of the Hach FL904 Flow Logger**

1. **High Initial Cost**

- The upfront purchase price and Verizon activation fees can be prohibitive for small utilities or budgets with limited resources.

- Additional costs may include installation, software licenses, and ongoing cellular data plans.

2. **Dependence on Cellular Network**

- Relies on Verizon s network for real-time data transmission, which may be unreliable in areas with poor coverage or signal interference.

- Cellular data plans can incur monthly costs, adding to long-term operational expenses.

3. **Limited Pipe Size Compatibility**

- The FL904 may not be suitable for very large pipes (e.g., >12") or unconventional pipe materials, requiring alternative solutions.

- Installation may require professional expertise, especially for retrofitting existing systems.

4. **Software and Training Requirements**

- Effective use requires familiarity with Hach s software or third-party platforms, which may necessitate training for staff.

- Technical support or IT resources may be needed to troubleshoot connectivity or software issues.

5. **Potential for Signal Interference**

- Wireless communication can be affected by physical obstructions (e.g., walls, metal structures) or electromagnetic interference.

- In dense urban areas or industrial settings, signal strength may fluctuate, impacting data reliability.

6. **Battery Life (If Applicable)**

- While many FL904 models are hardwired, battery-powered versions may require periodic replacement or recharging, adding maintenance overhead.

7. **Vendor Lock-In**

- Hach s proprietary software and Verizon s cellular plan may limit flexibility if switching to a different vendor or platform in the future.

- Data migration or compatibility with other systems could pose challenges.

8. **Calibration and Maintenance Needs**

- Like all ultrasonic meters, the FL904 requires periodic calibration to ensure accuracy, which may involve downtime or third-party services.

- Sensors or transducers may need cleaning or replacement over time, contributing to maintenance costs.

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### **Conclusion**

The **Hach FL904 Flow Logger** is a robust, wireless flow monitoring solution ideal for organizations prioritizing real-time data access, remote management, and compliance with regulatory standards. Its ultrasonic technology ensures high accuracy, while its durability and low maintenance requirements make it suitable for demanding environments. The wireless activation via Verizon enhances flexibility, particularly for distributed or remote systems.

However, the device s high cost, dependence on cellular infrastructure, and potential long-term expenses (e.g., data plans, software licenses) may outweigh its benefits for smaller budgets or locations with unreliable network coverage. Additionally, the need for technical expertise to maximize its capabilities could be a barrier for organizations without dedicated IT or monitoring staff.

For **municipal water utilities, large industrial plants, or water treatment facilities** with reliable cellular access and the budget to invest in advanced monitoring, the FL904 is a strong choice. Conversely, **smaller systems, budget-constrained operators, or areas with poor network coverage** may find alternatives like wired ultrasonic meters or mechanical flow meters more cost-effective.

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### **Recommendation**

- Your organization requires real-time, remote flow monitoring with minimal on-site infrastructure.

- You operate in an area with consistent Verizon cellular coverage and can justify the initial and ongoing costs.

- Accuracy, durability, and compliance with regulatory standards are critical for your applications (e.g., water distribution, wastewater treatment, or industrial process control).

- You have the technical resources or budget to integrate it with Hach s software or third-party platforms.

- Your budget is limited, and you can achieve similar functionality with a lower-cost wired ultrasonic meter or mechanical meter.

- Your operating environment has unreliable cellular connectivity, making wireless monitoring impractical.

- You require monitoring for very large pipes or unconventional pipe materials that the FL904 does not support.

- Your team lacks the expertise to manage wireless devices or software integration, leading to potential downtime or inefficiencies.

- **Hach FL904 with Local Wi-Fi/4G LTE (non-Verizon):** Reduces reliance on a single carrier and may lower costs.

- **Wired Ultrasonic Meters (e.g., Hach FL900):** Eliminates cellular dependency but requires physical wiring.

- **Mechanical Flow Meters (e.g., turbine or propeller meters):** Lower upfront cost but higher maintenance and potential for mechanical failure.

- **Competitor Products (e.g., Badger Meter, Itron, or Sensus):** Compare features, pricing, and vendor support before committing.

Ultimately, the FL904 is a premium solution best suited for organizations that can leverage its advanced features to improve operational efficiency and compliance. For others, a more tailored or cost-effective alternative may be preferable.

Details:

With FSDATA, site visits to collect flow data or adjust meter settings are eliminated, decreasing maintenance costs. Product Number:FL900AV.97. Easy Installation/Versatile Mounting Options The logger can be quickly attached to a wall, pole or manhole ladder in minutes. The Logger LED provides instant communication verification of correct site set-up and flow meter prior to leaving.

That's the power of wireless. Red Flashes when attached sensor does not agree with the logger program, an expected is found or working properly. Municipal Applications: Sanitary Sewer Evaluation Studies, Collection Systems, Capacity Combined Overflows, Inflow and Infiltration I Billing/Custody Transfer, Plant In fluent Effluent. With the time saving features designed into FL901 Flow Loggers, crews spend less in manhole and on site to decrease monitoring costs while increasing safety of flow.

And you can set alarms and view sensor diagnostics remotely to maximize optima. The robust loggers time-saving features will drastically decrease site time and increase safety for monitoring crews. The Power of Wireless Eliminate risk by using tirelessly transmitted flow data to make smarter, real-time decisions regarding your collection system. FL900 Logger.

It is compatible with desktop/lap top computers utilizing Windows operating system. The FL90X Flow Logger provides users with a reliable, budget saving solution for open channel portable flow monitoring applications.

part #: fl904 prices

• $534.99-$3000.00

specifications pneumativalv:

• brand: Hach
• mpn: Fl904
• model: Fl900
• part type: Flow Sensor
• flow meter type: Ultrasonic Doppler Flow Meter

payments pneumativalv:

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

general pneumativalv:

• condition: Used
• Pump Flow Controllers > Flow Controllers Meters > Flow Meters

returns pneumativalv:

• policy: No Returns

shipping pneumativalv:

offer pneumativalv:

• quantity: 6
• availability: In Stock
• options: Seller-arranged-local-pickup
• sold: 0
• started: March 30, 2026
• best offers: True

seller pneumativalv:

• city: Parkville, Maryland
• rating: 100.0%
• # reviews: 322

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