About Taurus Tower Footing Earth Impedance Measurement Instrument
PREZIOHM TFR is a portable system specially designed to measure impedance and resistance of transmission line tower footing without necessitating removal of top ground wire.PREZIOHM TFR has a wide measurement range (0to2k ohms) and is immune to power frequency interference and its harmonics. The instrument is designed to operate in a highly induced environment and to give highly stable, reliable, repeatable readings with its strong capability of noise & leakage current/ voltage suppression.
FEATURES
- The TAURUS PREZIOHM TFR is designed to be immune to power frequency and its harmonics
- Reliable, steady, repeatable readings in induced environment
- Short circuit current : 20mA
- IP 67 pelican casing
- Memory: automatic storing of 1000 results
Frequently Asked Questions:
1.What is going to the earth resistance of any tower footing?
Ans. In the analysis, the common tower-footing resistance with the flashover (47. 7 or 10. 7 ) and the average tower footing resistance at towers no. 1-a hundred and forty (33. 3 or five. 6 ) are used, respectively.
2. What is tower footing impedance?
Ans. Tower footing impedance is the impedance offered by way of the metallic parts of the tower blended with the floor impedance to the dissipation of modern. The importance of a low value of tower footing impedance consequences in fewer voltage stresses across the line insulation.
3. What is the most everyday earth resistance allowed?
Ans. Ideally, a ground ought to be of 0 ohms resistance. There is not always one popular floor resistance threshold that is diagnosed by all agencies. But, the NFPA and IEEE have endorsed a floor resistance price of five. 0 ohms or less.
Advanced Earth Impedance MeasurementEngineered specifically for assessing earth resistance and impedance of transmission and telecommunication towers, the instrument delivers high accuracy (2% of reading) across a broad measuring range. It facilitates regular maintenance and troubleshooting, ensuring reliable and safe infrastructure performance.
User-Friendly Features and Data ManagementEquipped with a digital LCD screen with backlight, data storage for up to 100 readings, and straightforward controls, the instrument is optimized for ease of use. Audible and visual alarm functions provide instant alerts for abnormal resistance values, supporting quick, decisive actions on site.
Durable Design for Challenging EnvironmentsConstructed from robust ABS plastic and built to IP54 standards, the instrument offers exceptional protection against dust and water splashes. Its portable, ergonomic design and atmospheric pressure operation ensure reliable performance across diverse field conditions.
FAQs of Taurus Tower Footing Earth Impedance Measurement Instrument:
Q: How do I use the Taurus Tower Footing Earth Impedance Measurement Instrument for testing tower footings?
A: To measure earth resistance or impedance, connect the 3-meter test leads to the tower footing and follow the instruction menu on the digital LCD display. Select your desired test current (up to 50 mA) and initiate the measurement. The instrument will provide a direct LCD readout of the resistance value within the 0.01 to 1999 range.
Q: What is the process for storing and retrieving measurement data?
A: After each test, you can save the reading directly into the instruments memory, which can store up to 100 readings. Retrieving stored data is straightforwardaccess the data recall function using the navigation buttons, and the readings will display on the LCD screen for review or documentation.
Q: Where can this instrument be used effectively?
A: The Taurus instrument is tailored for onsite testing of earth resistance at transmission and telecommunication tower footings. Its portable design, robust enclosure, and IP54 rating make it suitable for use in outdoor or harsh field environments where dust and moisture resistance is essential.
Q: What alerts does the instrument provide for high resistance values?
A: The device includes both audible and visual alarms. When resistance is above the safe threshold, a sound alarm and a visual indicator on the LCD display notify you immediately, ensuring prompt action and increased operational safety.
Q: When should regular earth resistance measurements be performed?
A: Routine earth resistance checks should be conducted during installation of new towers, and at scheduled maintenance intervals to detect potential grounding issues. This helps in maintaining compliance with safety standards and minimizes risk from electrical faults.
Q: What are the main benefits of using this instrument for tower maintenance?
A: The key advantages include accurate, reliable measurements, portability, resistance to challenging site conditions, and onboard storage for tracking historical data. The alarm functions and robust design enhance both safety and efficiency during field operations.