Xi'an Xiyi Central Control Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 100 pc |
| Delivery Time | 7-14 days |
| Material | Stainless Steel 316L |
| Ingress Protection | IP67 |
| Certifications | CE, RoHS |
| Power Supply | 12-36 VDC |
| Communication Protocol | HART |
| Port Size | 1/4 NPT |
| Protection Class | IP65 |
| Housing Material | Aluminum alloy |
| Electrical Connection | M12 Connector |
| Range | 0-10,000 psi |
| Model | 3051GP |
| Protection Rating | IP67 |
| Process Connection | 1/2 inch NPT |
| Signal Output | 4-20mA 0-20mA 1-5V 0-5V |
| Brand Name | Yokogawas |
| Model Number | FLXA21 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 100 pc |
| Delivery Time | 7-14 days | Material | Stainless Steel 316L |
| Ingress Protection | IP67 | Certifications | CE, RoHS |
| Power Supply | 12-36 VDC | Communication Protocol | HART |
| Port Size | 1/4 NPT | Protection Class | IP65 |
| Housing Material | Aluminum alloy | Electrical Connection | M12 Connector |
| Range | 0-10,000 psi | Model | 3051GP |
| Protection Rating | IP67 | Process Connection | 1/2 inch NPT |
| Signal Output | 4-20mA 0-20mA 1-5V 0-5V | Brand Name | Yokogawas |
| Model Number | FLXA21 | Place of Origin | China |
| High Light | 2-wire dual channel transmitter ，Yokogawa FLXA21 liquid analyzer ，PH ORP industrial transmitter | ||
1. Overview
2. Key Features
|
Feature |
Description |
|
Redundancy / Dual Input |
Can connect two sensors of the same type (e.g., two pH probes) for backup/reliable measurement or continuous operation during maintenance. |
|
Self-Diagnosis |
Continuously monitors the detector for impedance, slope, asymmetric potential, etc., to detect issues such as dirty or damaged electrodes or low liquid level. |
|
Maintenance Forecasting |
Saves the last five calibrations and predicts when maintenance or recalibration is needed. |
|
User Interface |
Touch screen with guided “Quick Setup” menus. |
|
Modular Design |
Modular structure allows flexible system configuration and easy expansion |
|
Language Support |
Interface supports 12 languages (e.g., English, Chinese, Japanese, German, etc.). |
|
Certifications |
Available in intrinsically safe versions: ATEX, IECEx, FM, CSA, NEPSI. |
|
Communication |
Standard output is 4–20 mA + HART. Optionally supports FOUNDATION Fieldbus or PROFIBUS. |
3. Performance / Specs
Here are some key technical specifications from the manufacturer:
|
Parameter |
Specification |
|
Power Supply |
2-wire loop-powered, 24 VDC |
|
Housing / Enclosure |
Polycarbonate or stainless steel; rated IP66 / NEMA 4X |
|
Operating Temperature |
–20 °C to +55 °C (typical) |
|
Measurement Ranges |
• pH: –2 to 16 (or 0–14 with option) |
|
Temperature Compensation |
Supports various temperature elements (Pt100, NTC, etc.) |
4. Advantages & Use Cases
Advantages:
Typical Use Cases:
5. Limitations / Considerations
6. Summary
The Yokogawa FLXA21 is a robust, modular, and redundant-capable 2-wire liquid analyzer. It’s well-suited for industrial environments where reliability, diagnostics, and long-term maintenance savings are important. It supports a broad range of sensor types (pH/ORP, conductivity, DO), and its self-diagnostics and dual-sensor capability make it a strong choice for critical process measurement applications.
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
101~200
Ecer Certification：
Verified Supplier
Xi'an Xiyi Central Control Technology Co., Ltd. is an enterprise engaged in the production, sales and R & D of industrial automation instruments. The company is located in the ancient city of Xi'an, a prosperous international city in China. The company is mainly engaged in Rosemount a... Xi'an Xiyi Central Control Technology Co., Ltd. is an enterprise engaged in the production, sales and R & D of industrial automation instruments. The company is located in the ancient city of Xi'an, a prosperous international city in China. The company is mainly engaged in Rosemount a...
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