
( Brand: Yokogawa ), ( Part Type: Light ), ( Manufacturer Part Number: PH402G-E-4-E ), ( Country Of Manufacture: Japan ), ( Bundle Listing: No )
The Yokogawa PH402G-E-4-E Conductivity Transmitter EXA Fail Light is a versatile and reliable instrument designed for continuous monitoring of conductivity in various applications, including water and wastewater treatment, industrial processes, and laboratory settings.
The transmitter features a rugged and compact design, with an explosion-proof enclosure (Exa) that conforms to the requirements of hazardous area classification agencies such as ATEX, IECEx, and NEMA. This makes it an ideal choice for use in potentially explosive atmospheres.
The PH402G-E-4-E is built around a high-performance conductivity sensor, which measures the electrical conductivity of a process fluid by passing a low-frequency alternating current through it and measuring the resulting voltage. The sensor is made of a high-quality, chemical-resistant material and is designed for long-term stability and accuracy.
One of the key features of this conductivity transmitter is the EXA Fail Light function. This innovative feature provides a visual indication of transmitter failure or communication loss, helping to ensure the continuity of critical processes. The fail light is a bright, easily visible red LED that is located on the top of the transmitter enclosure. It activates automatically in case of an alarm condition or communication loss, providing a clear and immediate warning to operators.
The transmitter also comes with a number of advanced features that enhance its performance and ease of use. These include a wide measurement range, temperature compensation, self-diagnostics, and a user-friendly menu-driven display. The unit can also be easily configured and calibrated using a handheld communicator or a PC, making it a flexible and versatile solution for a wide range of applications.
The Yokogawa PH402G-E-4-E Conductivity Transmitter EXA Fail Light is a high-quality instrument that offers superior accuracy, reliability, and safety. Its rugged design, advanced features, and innovative fail light function make it an essential tool for process monitoring and control in hazardous environments.
The Yokogawa PH402G-E-4-E Conductivity Transmitter EXA Fail Light is an electrical conductivity transmitter designed for use in hazardous areas. This transmitter features a fail-safe output that activates in case of a power failure or transmitter malfunction, making it an essential component in applications where safety and reliability are paramount. Let's explore the pros and cons of purchasing this transmitter.
Pros:1. Fail-safe Output: The primary advantage of the PH402G-E-4-E Conductivity Transmitter is its fail-safe output. In the event of a power failure or transmitter malfunction, the output will automatically switch to a fail-safe state. This feature is critical in hazardous areas where safety is a top priority.
2. Rugged Design: The transmitter is designed to withstand harsh environments. It is explosion-proof and can operate in temperatures ranging from -20 C to 60 C. This rugged design makes it an ideal choice for use in industrial applications.
3. Wide Measuring Range: The transmitter has a measuring range of 0.01 to 200,000 S/cm, making it suitable for a wide range of applications.
4. Accurate and Reliable: The PH402G-E-4-E Conductivity Transmitter is known for its accuracy and reliability. It is calibrated to meet the requirements of various industry standards, ensuring consistent and accurate readings.
Cons:1. Cost: The PH402G-E-4-E Conductivity Transmitter is a high-end transmitter, and its cost reflects its advanced features and rugged design. It may be more expensive than other conductivity transmitters on the market.
2. Complex Installation: Installing the transmitter may require specialized knowledge and skills. The installation process involves configuring various settings, such as the measuring range and output configuration, which may be challenging for some users.
3. Maintenance: The transmitter requires regular maintenance to ensure optimal performance. This includes calibrating the transmitter and replacing worn-out parts.
Conclusion:The Yokogawa PH402G-E-4-E Conductivity Transmitter EXA Fail Light is a high-performance transmitter that offers advanced features and reliable operation in harsh environments. Its primary advantage is the fail-safe output, which is critical in hazardous areas where safety is a top priority. However, its cost, complex installation, and maintenance requirements are potential drawbacks.
Recommendation:If you are looking for a conductivity transmitter for use in hazardous areas and require a fail-safe output, the Yokogawa PH402G-E-4-E Conductivity Transmitter is an excellent choice. Its rugged design, wide measuring range, and accuracy make it a reliable and precise option for industrial applications. However, you should be prepared for the additional cost, complex installation, and maintenance requirements that come with this advanced transmitter. If these factors are a concern, you may want to consider alternative, less expensive transmitters that do not offer a fail-safe output.
Shortly after powering on, the FAIL/S4 relay contact status indicator light lights up. The unit is used and has some scuffs scrapes from normal wear. Only what is pictured included in this listing. The power supply used to test this unit is NOT included.
Are not mentioned, they are included. Yokogawa Conductivity Transmitter EXA, model: PH402G-E-4-E, The unit powers on and responds to the controls. Shipping is via our choice of UPS Ground or USPS Priority Mail. If manuals, software, packaging etc.