AMETEK Drexelbrook RCT-1210 RF Level Transmitter (409-T120-000)

Overview

The AMETEK Drexelbrook RCT-1210 is an RF admittance level transmitter built for continuous level measurement in liquids, slurries, interfaces, and granular materials across demanding process conditions. Its patented Cote-Shield circuitry actively compensates for coating buildup on the sensing element, letting the RCT-1210 hold accuracy in applications where a simple capacitance probe would drift as material accumulates on the probe surface.

Part of AMETEK Drexelbrook’s established RF admittance level instrument range, the RCT-1210 (409-T120-000 electronics configuration) is engineered for process industries needing reliable level measurement in coating, corrosive, or extreme-temperature conditions. Seven Star LLC supplies the RCT-1210 as an authorized AMETEK Drexelbrook instrumentation partner to process facilities across Oman and the GCC.

Operating Principle

The RCT-1210 applies a radio-frequency signal to its sensing probe and measures the admittance change as material covers the probe, which correlates to level. The Cote-Shield circuitry actively drives a guard electrode at the same potential as the sensing signal, electrically canceling out the effect of any conductive or non-conductive coating that builds up on the probe over time — a key advantage over simple RF or capacitance probes in applications prone to fouling. The unit operates as a two-wire, 4–20mA loop-powered transmitter with HART protocol, using the same two wires for both power and signal.

Engineering Design of the AMETEK Drexelbrook RCT-1210

The RCT-1210 uses 409-T series electronics, operating on a minimum of 12VDC at the signal terminals with 20mA flowing. Process temperature and pressure ratings vary by the sensing element selected — for example, up to 100°F at 1000 PSI or 300°F at 500 PSI depending on probe configuration, with some configurations rated to 10,000 PSI for pressurized applications. Probe construction options include TFE-covered rod, FEP-covered rod, fluorocarbon insulation, and Hastelloy C or 316 stainless steel wetted materials, letting the sensing element be matched to the specific chemical environment.

Key Features

• RF admittance level measurement technology
• Patented Cote-Shield circuitry cancels coating/buildup interference
• Two-wire, 4–20mA loop-powered with HART protocol
• Process ratings up to 300°F and up to 10,000 PSI (configuration-dependent)
• Probe options: TFE/FEP-covered rod, Hastelloy C, 316 stainless steel
• Suited to liquids, slurries, interfaces, and granular materials
• Rated for cryogenic, high-temperature, and vacuum service (configuration-dependent)
• Minimal power requirement, 12VDC minimum at 20mA

Industrial Applications

The RCT-1210 is specified for level measurement in coating-prone and chemically aggressive process vessels across Muscat, Sohar, and Salalah, where its Cote-Shield technology maintains accuracy that a conventional RF or capacitance probe would lose to buildup. Its ability to measure liquids, slurries, interfaces, and granular solids from one product family simplifies instrument selection across varied process vessels.

Across the GCC’s chemical processing, oil and gas, and bulk-material handling sectors, the RCT-1210 supports level and interface detection in tanks handling sticky, viscous, or scale-forming media, as well as high-pressure or cryogenic vessels where the correct probe and electronics configuration extends reliable service life well beyond what a standard level sensor would achieve.

Technical Specifications

Request a Quote for AMETEK Drexelbrook RCT-1210 RF Level Transmitter (409-T120-000)

Contact Seven Star LLC for pricing and availability on the AMETEK Drexelbrook RCT-1210 RF admittance level transmitter across Oman and the GCC. Our team can help select the correct probe material and electronics configuration for your process conditions.