About DUAL RANGE SINGLE PHASE DYNAMOMETER TYPE PORTABLE WATTMETER (U.P.F TYPE)
Specification:
DUAL RANGE SINGLEPHASE DYNAMOMETER TYPE PORTABLE WATTMETER (U.P.F TYPE)
Select any onerange: Current Coil/Potential Coil: 1/2A x75/150V OR 2.5/5Ax150/300V OR5/10Ax150/300V
Accurate Power MeasurementThis portable wattmeter is engineered to deliver highly accurate readings, conforming to Class 1.5 accuracy standards. The analog scale with fine graduation and high sensitivity provides clear and precise power measurements in real time, making it invaluable for laboratories, engineering projects, and field work.
Dual Range VersatilityEquipped with selectable voltage (150V/300V) and current (5A/10A) ranges, this wattmeter adapts to varying power conditions. The four-terminal connection allows for separate voltage and current input, ensuring flexibility and ease of integration into different testing setups.
Reliable and Safe OperationFeaturing built-in overload protection, matte textured finish, and sheet metal enclosure, the device delivers reliable performance with safety at its core. It supports operation within a wide temperature range (0C to 50C) and offers IP20 protection, making it suitable for professional environments.
FAQs of DUAL RANGE SINGLE PHASE DYNAMOMETER TYPE PORTABLE WATTMETER (U.P.F TYPE):
Q: How do I properly connect the Dual Range Single Phase Dynamometer Wattmeter for accurate measurements?
A: Connect the wattmeter using its four screw-type terminalstwo for voltage and two for currentfollowing the wiring diagram provided. Select the appropriate voltage (150V or 300V) and current (5A or 10A) range to match your AC circuit. Ensure all connections are secure before powering up.
Q: What is the primary function of this wattmeter and in which scenarios is it most beneficial?
A: This wattmeter is designed to measure the electrical power in single-phase AC circuits operating at unity power factor. It is particularly beneficial for engineering electronics instruments, laboratory testing, and field diagnostics where precise and instantaneous analog readings are required.
Q: When should I select the dual range feature and how does it enhance measurement accuracy?
A: Use the dual range feature when your circuit operates at different voltage or current levels. Selecting the appropriate range (150V/300V or 5A/10A) improves measurement resolution and reduces error, ensuring that readings are both accurate and relevant to the specific electrical setup.
Q: Where is this wattmeter manufactured and what compliance standards does it meet?
A: This wattmeter is manufactured in India and meets the IS 1248 and IEC Standard for wattmeter instruments, confirming its reliability and quality.
Q: What is the process for calibration and is recalibration required after purchase?
A: The wattmeter is factory calibrated to ensure accuracy according to standard specifications. Routine recalibration is generally not necessary unless there are signs of measurement drift, in which case calibration should be performed by a qualified technician.
Q: How does the built-in overload protection safeguard the device during operation?
A: The overload protection mechanism automatically prevents the instrument from damage caused by exposure to excessive current or voltage, ensuring safe and consistent operation under varied load conditions.
Q: What are the usability and portability benefits of this wattmeter for engineers and technicians?
A: Its compact sheet metal construction, matte finish, and lightweight design (approx. 2.5 kg) make it highly portable. The clear analog scale and convenient bench top or portable mounting allow engineers to conduct measurements efficiently in both lab and field settings.