Achievers Automation Limited
| Payment Terms | T/T |
| Supply Ability | 100pcs per month |
| Delivery Time | Negotiable |
| Packaging Details | carton |
| Brand Name | Endress+Hauser |
| Model Number | COM253 |
| Certification | ATEX |
| Place of Origin | GERMANY |
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Product Specification
| Payment Terms | T/T | Supply Ability | 100pcs per month |
| Delivery Time | Negotiable | Packaging Details | carton |
| Brand Name | Endress+Hauser | Model Number | COM253 |
| Certification | ATEX | Place of Origin | GERMANY |
| High Light | IP65-Rated Housing DO Transmitter ，Digital DO Measurement Transmitter ，HART/Profibus Communication DO Transmitter | ||
Endress+Hauser COM253 Liquisys Dissolved Oxygen Transmitter: Digital DO Measurement | Technical Specifications & Applications
The Endress+Hauser COM253 is a compact dissolved oxygen transmitter designed for continuous monitoring in water, wastewater, and aquaculture applications. It supports digital sensor integration (e.g., COS41/COS61) and features HART/Profibus communication, automatic calibration checks, and robust IP65-rated housing. Ideal for oxygenation control in aeration tanks or environmental monitoring, the device ensures high accuracy and operational safety under demanding conditions .
| Parameter | Specification |
|---|---|
| Model Number | COM253 series (e.g., COM253-DX0005, COM253-DX0010) |
| Brand/Series | Endress+Hauser Liquisys COM253 |
| Measurement Principle | Amperometric or optical dissolved oxygen (via compatible sensors like COS41/COS61) |
| Input Channels | Single-channel for sensor input |
| Output Options | 0/4...20 mA, HART, Profibus DP/PA |
| Power Supply | 230V AC, 115V AC, or 24V DC (varies by submodel) |
| Display | 2-line LCD with 6-language support |
| Enclosure Rating | IP65 (suitable for harsh environments) |
| Housing Material | PC/ABS (corrosion-resistant) |
| Dimensions (H×W×D) | 247 × 170 × 115 mm |
| Relay Outputs | Optional: 2 relays for alarms or control functions |
| Certifications | ATEX, CSA, SIL 2 (for safety-critical applications) |
High Operational Safety: The transmitter continuously validates sensor and process data, with user-customizable alarms and calibration integrity checks. This reduces measurement errors in critical applications like wastewater treatment .
Flexible Communication: Integrated HART and Profibus protocols enable seamless integration into control systems. Optional relays support advanced functions such as limit alarms or timer controls for automated processes .
Simple Maintenance: A dedicated calibration button and guided menu streamline sensor calibration in air, oxygen-saturated water, or process media. The plug-in design allows rapid module replacement without rewiring .
Rugged Design: The IP65-rated housing protects against dust and water ingress, ensuring reliability in outdoor or humid environments. The compact form factor simplifies mounting in space-constrained panels .
Sensor Compatibility: Optimized for use with Endress+Hauser’s COS41/COS61 optical or amperometric DO sensors, ensuring accurate data across varying temperatures and media conditions
Wastewater Aeration Control: Monitors dissolved oxygen in activated sludge tanks to optimize blower efficiency and reduce energy consumption in municipal plants .
Drinking Water Monitoring: Ensures oxygen levels remain within safe limits for public water supplies, with compliance reporting via digital interfaces .
Aquaculture Management: Maintains optimal oxygen concentrations in fish farms to support aquatic health and growth, using reliable probes resistant to biofouling .
Surface Water Analysis: Deployed in rivers or lakes for environmental monitoring, with robust construction enduring long-term exposure to elements .
Note: Specifications are based on manufacturer documentation and industry sources. Verify parameters against the latest technical guides for specific applications .
Company Details
Business Type:
Distributor/Wholesaler,Agent,Trading Company
Year Established:
2012
Total Annual:
3000000-5000000
Employee Number:
20~30
Ecer Certification：
Verified Supplier
Achievers Automation Limited We are a global supplier of quality automation and control components, dedicated to meeting the industrial control needs of businesses worldwide. Over12 years of industry experience. Operates a full range of industrial automation components and instruments, cooperatin... Achievers Automation Limited We are a global supplier of quality automation and control components, dedicated to meeting the industrial control needs of businesses worldwide. Over12 years of industry experience. Operates a full range of industrial automation components and instruments, cooperatin...
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