Cassette Care

Two common causes of trouble experienced when using cassettes are:

1.) Tape jamming — Leading to uneven speed in playback, and

2.) Tape tangling — Where the tape wraps itself around vital parts of themechanism.

To reduce the likelihood of these problems occurring, the following precautions should be observed:

• Check that there are no loose layers of tape visible through the cassette center window (see Fig. 1). Take up any loose layers, using a pencil or hexagonal barrelled ballpoint pen, before inserting the cassette into the machine (see Fig. 2).

• If the cassette feels “tight”while performing operation shown (see Fig. 2), the tape may be jamming due to “ridges” formed in the winding of the tape (visible through the center window). These may be removed, in most cases, by fast winding of the cassette from one end to the other and back again.

• Use only well-known brands of tape. Avoid use of C-120 cassettes.

Furthermore, do not expose cassettes to direct sunlight, dust or oil, and do not touch the tape surfaces.

Head Cleaning

The tape heads, pinch roller and capstan require periodic cleaning. This removes particles of the metal oxide coating that wear off the tape and accumulate on these parts and impair performance.

Disconnect the AC power cord, press the Stop/Eject key to open the cassette door, and press the Play key. Clean the tape heads, pinch roller and capstan with a soft cloth or cotton pad dampened in isopropyl alcohol or special tape head cleaner.

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Emerson PD9814 owner manual Cassette Care, Head Cleaning
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PD9814 specifications

The Emerson PD9814 is a cutting-edge digital pressure transmitter designed for precise pressure measurement in various industrial applications. Its robust construction and advanced technology make it a preferred choice for many industries, including oil and gas, chemical processing, and water treatment.

One of the key features of the Emerson PD9814 is its ability to provide high accuracy and reliability in pressure measurement. With an impressive accuracy rate of up to ±0.075%, it ensures that operators can rely on the transmitted data for critical decision-making processes. This level of precision is essential in environments where pressure fluctuations can lead to safety hazards or operational inefficiencies.

The PD9814 utilizes advanced digital signal processing technology, which significantly enhances its performance by providing noise immunity and improved stability over time. This technology also allows for faster response times, ensuring that operators receive real-time data to monitor their processes effectively.

Moreover, the transmitter is equipped with various output options, including 4-20 mA and digital protocols such as HART, which enable easy integration into existing control systems. This flexibility makes the PD9814 suitable for a wide range of applications, from simple monitoring to complex control systems.

Another notable characteristic of the Emerson PD9814 is its robust construction, designed to withstand harsh operating environments. The transmitter is available with various materials and configurations to resist corrosive media and extreme temperatures. It can operate in conditions ranging from -40°C to 85°C, making it versatile for many settings.

The user-friendly interface and smart diagnostics features further enhance the PD9814’s functionality. Operators can quickly configure settings, access historical data, and perform maintenance checks without extensive training. These capabilities not only improve operational efficiency but also reduce downtime, contributing to overall system reliability.

In summary, the Emerson PD9814 pressure transmitter stands out in the market due to its high accuracy, advanced digital technologies, versatile output options, and robust design. Its suitability for harsh industrial environments, combined with user-friendly features, makes it a top choice for operators looking to enhance their pressure measurement capabilities. Whether for critical process monitoring or integration into more complex systems, the PD9814 delivers reliable performance, ensuring safety and efficiency across various applications.
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