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Ramsey Microwave Point Level Detector

The Thermo ScientificTM RamseyTM Microwave Point Level Detector is a reliable instrument that can see through non-metallic wall build-up and detect the presence or absence of any material

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The Thermo ScientificTM RamseyTM Microwave Point Level Detector is a reliable instrument that can see through non-metallic wall build-up and detect the presence or absence of any material. By detecting the conditions in your equipment, it will alert you of any problems or disruptions in your process, allowing you to efficiently rectify the situation. This will save you time and money.

Features and Benefits

• Non-contact point level detection
• Completely safe low power microwave energy can see through non-conductive materials

  • Highly adjustable sensitivity allows use in many different applications
  • Alarm relay is user selectable for normal/alarm conditions
  • User adjustable time delays to prevent false alarms
  • Time delay for both alarm on and alarm off

The Thermo Scientific Ramsey Microwave Point Level Detector uses a separate sender and receiver to detect the presence or absence of any material with low power microwave energy. It is a totally noncontacting instrument that is a safe and environmentally friendly replacement for nucleonic switches and is not restricted by OSHA or FCC regulations.These reliable units have a range from 10 cm (4 in) minimum to 150 m (492 ft) maximum and can see through non-metallic wall build-up.

Theory of Operation

In operation the sender and receiver are mounted facing each other on opposite sides of the chute or vessel to be monitored. The sender emits a burst of microwave energy many times per second toward the receiver which detects and measures the energy. When the line of sight between the sender and receiver is blocked by material, the microwave energy reaching the receiver will be reduced.Thermo Scientific Ramsey Integral Microwave System (IMS-2) Sender, Receiver and Amplifier/Control
The amplifier determines whether the detected microwave energy indicates the presence of material and controls the status of the alarm relay to match. Sensitivity settings in the amplifier allow the user to calibrate the units for a wide range of applications. Time delays and relay settings allow the user to customize the relay control to their specific application needs.The microwaves used by the unit will penetrate non-conductive materials. Various mounting brackets and microwave permeable process windows are available, allowing the sender and receiver to be placed outside of the process, preventing the influence of high temperatures or harsh conditions inside.These units can detect high or low level in many applications such as:
• Pressurized coal downcomers
• Electro-static precipitator hoppers• Transfer chutes for fly ash, clinker, coal, potash and other materials

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