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Fluke 725 Multifunction Process Calibrator - $500
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Key Features
Dual - Channel Operation
The Fluke 725 features dual independent channels. This allows for simultaneous measurement and output of two different process signals. For example, it can measure a temperature input from a thermocouple on one channel while outputting a milliamp signal to calibrate a transmitter on the other channel. This dual - channel functionality significantly increases efficiency, especially when working on complex systems where multiple parameters need to be monitored and adjusted simultaneously.
Comprehensive Parameter Support
It can measure and source a wide range of process parameters. These include DC voltage, with measurement ranges from millivolts to several volts, and DC current, covering the typical 4 - 20 mA range used in industrial control systems. Additionally, it can measure and simulate resistance, which is useful for calibrating sensors such as RTDs (Resistance Temperature Detectors). The calibrator can also handle frequency measurements, making it suitable for applications involving variable - speed drives or other frequency - based control systems.
High Accuracy
Accuracy is a key aspect of the Fluke 725. It offers high - precision measurements, with DC voltage measurement accuracy typically within a few hundredths of a percent of the reading. For DC current, the accuracy is equally impressive, ensuring that calibration work is carried out with the utmost precision. This high accuracy is crucial for maintaining the integrity of industrial processes, where even small measurement errors can lead to significant operational issues.
User - Friendly Interface
The device has a simple and intuitive user interface. It features a clear LCD display that shows all relevant measurement and output values, as well as status indicators. The buttons are well - laid out, allowing for easy navigation through the various functions. Even users new to process calibration can quickly learn to operate the Fluke 725, reducing the learning curve and increasing productivity.
Data Storage and Recall
The Fluke 725 can store calibration data for future reference. It can save multiple calibration results, which can be retrieved easily. This is valuable for maintaining calibration records, tracking changes over time, and ensuring compliance with quality control and regulatory requirements.
Technical Specifications
DC Voltage Measurement
Measurement ranges typically include 0 - 30 V DC, with an accuracy of ±0.025% of reading + 2 mV. This allows for precise measurement of DC voltage signals in various industrial applications, from power supplies to control circuits.
DC Current Measurement
The DC current measurement range is usually 0 - 24 mA, with an accuracy of ±0.01% of reading + 2 μA. This high - accuracy measurement is essential for calibrating current - based sensors and transmitters commonly used in industrial process control.
Resistance Measurement
It can measure resistance in the range of 0 - 4000 Ω, with an accuracy of ±0.015% of reading + 0.1 Ω. This makes it suitable for calibrating RTDs and other resistance - based sensors.
Frequency Measurement
The frequency measurement range can cover from a few hertz to several kilohertz, with an accuracy of ±0.05% of reading + 0.1 Hz. This is useful for applications involving frequency - modulated signals in industrial automation.
Applications
Industrial Process Calibration
In manufacturing plants, the Fluke 725 is used to calibrate sensors, transmitters, and controllers. For example, it can be used to calibrate pressure transmitters by applying a known pressure and using the Fluke 725 to measure and adjust the output signal to the correct value.
Power Generation and Distribution
In power plants and substations, the calibrator is used to ensure the accuracy of voltage and current sensors. It helps in maintaining the stability and reliability of power generation and distribution systems by accurately calibrating the instruments used for monitoring and control.
Automation and Control Systems
In industrial automation setups, the Fluke 725 is used to troubleshoot and calibrate various components of the control system. It can be used to test the accuracy of temperature sensors in a climate - control system or to calibrate the current output of a motor - drive controller.
In summary, the Fluke 725 multifunction process calibrator is a reliable, accurate, and user - friendly tool that plays a vital role in maintaining the accuracy and efficiency of industrial process control systems.
Works great. Asking $500 Firm