Siemens 7ML5430-1AD10 Radar Level Transmitter 7ML54301AD10

• Extended Product  Type: Level Transmitter
• Product ID: 7ML5430-1AD10
• ABB Type Designation: Pressure Transmitter

Description of Siemens 7ML5430-1AD10 SITRANS Probe LR Radar Level Transmitter

The Siemens 7ML5430-1AD10 SITRANS Probe LR is a high-performance guided wave radar level transmitter designed for continuous level measurement in liquids and slurries across industrial environments. Engineered with advanced Time Domain Reflectometry (TDR) technology, this device delivers precise, reliable readings regardless of vapor, temperature fluctuations, pressure variations, or changing dielectric constants.

Ideal for industries requiring robust and maintenance-free level measurement, the SITRANS Probe LR excels in applications such as water treatment, chemical processing, and storage tank monitoring. Its compact design, combined with simple installation and commissioning, makes it a preferred solution for engineers and plant operators seeking accuracy and efficiency.

With high immunity to buildup, foam, and turbulence, the transmitter ensures consistent performance where traditional level measurement technologies fail. Its compatibility with standard control systems via 4–20 mA output with HART communication enhances integration into modern automation architectures.

Whether you’re upgrading legacy systems or implementing new process instrumentation, the Siemens SITRANS Probe LR 7ML5430-1AD10 provides a cost-effective, long-term solution for accurate level measurement in demanding industrial applications.

Technical Specifications of Siemens 7ML5430-1AD10 Radar Level Transmitter

Parameter	Specification
Model Number	7ML5430-1AD10
Product Series	SITRANS Probe LR
Measurement Technology	Guided Wave Radar (TDR)
Measuring Range	Up to 20 m (65.6 ft)
Process Temperature	-40°C to +80°C (-40°F to +176°F)
Process Pressure	Up to 10 bar (145 psi)
Output Signal	4–20 mA with HART Protocol
Accuracy	±2 mm
Power Supply	12 to 30 V DC
Wetted Parts Material	Stainless Steel (316L), PVDF
Enclosure Rating	IP68 / NEMA 6P
Mounting Connection	Threaded or Flanged Options
Communication	HART
Hazardous Area Approval	Available (depending on configuration)
Cable/Probe Type	Cable or Rod Probe Options
Display	Optional Local Display

Key Features of Siemens 7ML5430-1AD10 Radar Level Transmitter

• High-Accuracy Measurement using guided wave radar (TDR) technology
• Insensitive to Process Conditions such as vapor, foam, dust, and turbulence
• Maintenance-Free Operation with no moving parts
• Flexible Installation with rod or cable probe configurations
• Robust Industrial Design suitable for harsh environments
• HART Communication for advanced diagnostics and remote configuration
• Compact Form Factor ideal for tight installation spaces
• Excellent Performance in Low Dielectric Media
• Quick Commissioning with user-friendly setup

Applications of Siemens 7ML5430-1AD10 Radar Level Transmitter

The Siemens SITRANS Probe LR 7ML5430-1AD10 is widely used across multiple industries for reliable level measurement:

• Water & Wastewater Treatment – tanks, reservoirs, sludge levels
• Chemical Processing – aggressive liquids and reaction vessels
• Oil & Gas – storage tanks and separation units
• Food & Beverage – liquid storage and process vessels
• Power Generation – boiler feedwater and condensate tanks
• Cement & Bulk Materials – slurry and liquid additives
• Pharmaceutical Industry – hygienic liquid measurement

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Frequently Asked Questions (FAQ)

1. What is the measurement principle of the SITRANS Probe LR?

It uses guided wave radar (Time Domain Reflectometry) to measure level by sending microwave pulses along a probe and analyzing the reflected signal.

2. What industries commonly use the Siemens SITRANS Probe LR?

It is widely used in water treatment, chemical processing, oil & gas, food & beverage, and power generation industries.

3. Can this transmitter handle foam or vapor?

Yes. It is highly resistant to interference from foam, vapor, and turbulence, making it more reliable than ultrasonic sensors in such conditions.

4. What output signal does it provide?

The device provides a 4–20 mA analog signal with HART communication for easy integration with PLC and SCADA systems.

5. Is it suitable for hazardous environments?

Yes, certain configurations are available with hazardous area approvals. Always confirm certification requirements before installation.

6. What is the maximum measuring range?

The SITRANS Probe LR supports level measurement up to 20 meters, depending on the probe type and application.

7. Does it require frequent maintenance?

No. It is a maintenance-free device due to its solid-state design and lack of moving parts.