Original and Brand-New Emerson Rosemount 5081 Conductivity Transmitter with Hart Protocol

• Customization: Available
• Type: Lightning Protection Type
• Structure Design: Flange Type
• Model NO.: 5081
• Pressure Range: up to 10 Ba
• Display Type: LCD
• Accuracy Grade: ±0.5% of Reading
• IP Rating: IP67
• Certification: CE
• Customized: Customized
• Output Signals: 4-20 Ma
• Power Supply: 12-42 V DC
• Environmental Rating: IP66
• Model: 5081
• Process Connection: Flanged, Wafer
• Flow Range: 0-0.25 to 0-10, 000 Lb/Min
• Ambient Temperature: -40°c to +85°c
• Approvals/Certifications: CE, ATEX, Iecex, Sil 2/3
• Original: USA
• Brand: Rosemount
• Static Pressure: up to 10 Bar
• Turndown Ratio: 10:1
• Process Temperature: -20°c to +130°c
• Display: LCD
• Temperature Compensation: Automatic
• Transport Package: with Carton Package
• Specification: 30X30X30 cm
• Trademark: Rosemount
• Origin: USA
• HS Code: 8477900000
• Production Capacity: 100/Month
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 5.000kg

Product Description

Product Description

Rosemount™ 5081 Conductivity Transmitter Comprehensive Product Overview
1. Introduction
The Rosemount™ 5081 Conductivity Transmitter is a highly versatile, two-wire loop-powered device designed for precise measurement of conductivity, resistivity, and concentration in industrial liquid analysis applications. As part of Emerson's Rosemount Analytical portfolio, this transmitter integrates advanced technology with rugged construction, making it suitable for demanding environments such as chemical processing, water treatment, pharmaceuticals, and power generation. The 5081 series supports both contacting (model 5081-C) and toroidal (model 5081-T) conductivity sensors, ensuring compatibility with a wide range of process conditions

Detailed Photos

2. Key Features

2.1 Measurement Capabilities
Conductivity: Measures from ultra-pure water (low µS/cm) to high-conductivity solutions (up to 2,000,000 µS/cm) 
Resistivity: Ideal for monitoring deionized water in semiconductor or pharmaceutical industries.
Custom Concentration Curves: Built-in curves for common chemicals (e.g., 0-12% NaOH, 0-15% HCl).
Temperature Compensation: Automatic or manual modes with programmable reference temperatures (default: 25°C).
2.2 Advanced Diagnostics
Sensor Health Monitoring: Continuous diagnostics alert users to sensor degradation or faults.
Cable Resistance Compensation: Automatically adjusts for cable resistance to enhance accuracy in high-conductivity applications.
2.3 Communication and Integration
Protocols: Supports HART® 7 and FOUNDATION™ Fieldbus for seamless integration with PLCs, DCS, and AMS (Asset Management Solutions) 
Display: Dual-line LCD with 0.8-inch (20 mm) primary readout (process variable) and 0.3-inch (7 mm) secondary readout (temperature or pH).
2.4 Robust Design
Enclosure: Cast aluminum with epoxy coating, rated NEMA 4X/IP65 for dust/water resistance and corrosion protection.
Hazardous Area Certification: Intrinsically safe (FM, CSA, ATEX) when paired with appropriate safety barriers 

Product Parameters

Parameter	Details
Power Supply	12-42.4 VDC (30 VDC max for intrinsic safety).
Operating Temp.	-20°C to 65°C (-4°F to 149°F).
Dimensions	160.5 mm × 175.3 mm × 161.3 mm (6.3″ × 6.9″ × 6.4″).
Weight	4.5-5.0 kg (10-11 lb).
Conduit Openings	¾″ NPT.
Output Signal	4-20 mA with HART® or digital Fieldbus

4. Model Variations and Configuration
The 5081 transmitter is configurable via modular codes to match application requirements:
4.1 Measurement Type
5081-C: Contacting conductivity (ideal for low to medium conductivity fluids).
5081-T: Toroidal conductivity (suited for viscous, abrasive, or high-conductivity liquids) 
4.2 Communication Options
-HT: HART® protocol with analog output.
-FF: FOUNDATION Fieldbus digital output 
4.3 Certifications
-67: FM intrinsic safety/explosion-proof.
-73: ATEX compliance 
5. Applications
The 5081 excels in industries requiring reliable conductivity monitoring:
Water Treatment: Reverse osmosis (RO) performance tracking, boiler feedwater quality 
Chemical Processing: Concentration control of acids/bases (e.g., H₂SO4, NaOH).
Pharmaceuticals: USP-compliant water system monitoring.
Food & Beverage: Clean-in-place (CIP) system validation.
6. Installation and Calibration
6.1 Sensor Compatibility
Compatible with Rosemount Analytical sensors (e.g., 400/404 series contacting sensors, 226 toroidal sensors) 
6.2 Calibration Methods
Automatic Calibration: Recognizes standard solutions (e.g., 84 µS/cm, 1413 µS/cm).
Field Calibration: Use a handheld infrared remote controller or HART communicator 
6.3 Installation Best Practices
Avoid direct sunlight and high vibration 
Maintain ≥1 ft distance from high-voltage equipment to minimize EMI 
7. Advantages Over Competing Models
Flexibility: Dual-sensor input for pH correction in chlorine measurement (5081-A model).
Durability: Magnesium-reduced aluminum housing prevents corrosion in harsh environments.
Ease of Use: Simplified menu structure reduces training time 
8. Documentation and Support
User Manuals: Detailed guides for programming, troubleshooting, and maintenance.
Technical Support: Emerson's global service network provides 24/7 assistance.
9. Conclusion
The Rosemount™ 5081 Conductivity Transmitter combines precision, durability, and adaptability, making it a cornerstone for industrial liquid analysis. Its advanced diagnostics, hazardous area certifications, and compatibility with leading communication protocols ensure optimal performance across diverse applications.

Company Profile

KeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters,temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
 

Packaging & Shipping

The packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market.

FAQ

Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information.
Q: What is the delivery time?
A: Our delivery time is within 3-7 days after we get your payment;
for large qty mass orders, the time should be confirmed again for you.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: What is the MOQ?
A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.