Battery Powered Power Meters

Description

Battery powered power meters are devices designed to measure the electrical power that a source delivers to a load. They are capable of determining the rate at which energy is transferred between systems or elements within a system. These meters can measure both the power transmitted through the meter from the source to the load and the power absorbed by the meter itself.

Working Principle

Battery powered power meters operate by monitoring the rate of change of energy, which is the basis for determining transmitted power. They can perform both transmission and absorption measurements, depending on the specific requirements. These meters are equipped with features such as external shunts to extend the current input range, integrating functions for active power and current, and automatic range switching to accommodate varying measurement ranges. The ability to perform harmonic analysis and support a wide range of current sensors makes them useful for evaluating inverter-driven equipment and high-frequency lighting equipment .

Applications

Battery powered power meters are used in a variety of applications. They are essential in the development and verification of wireless communication systems, including terrestrial and satellite-based systems. In aerospace and defense, they are used for accurate power measurement in radar and electronic warfare systems. These meters are also employed during all phases of the product life cycle, including design, integration, testing, calibration, and repair .

Advantages over other Process - Solids Processing Equipment

Battery powered power meters offer several advantages over other process equipment used in solids processing. They provide precise power measurements, which are crucial for optimizing the performance of electrical systems. The ability to perform both transmission and absorption measurements allows for versatile applications in various industries. Additionally, features like automatic range switching and harmonic analysis enhance their functionality and adaptability to different measurement scenarios .

Limitations

One limitation of battery powered power meters is their dependency on battery life, which can affect their long-term usability and reliability. Additionally, the accuracy of the power measurement is represented as a percentage, which may not meet the precision requirements for all applications .

Considerations

When selecting a battery powered power meter, several factors should be considered. Initial costs can vary depending on the features and capabilities of the meter. Operating expenses may include battery replacement and maintenance costs. Durability is an important consideration, especially in harsh environments. Accuracy is crucial for ensuring reliable measurements, and potential users should evaluate the meter's specifications to ensure it meets their needs. Replacement and maintenance costs should also be factored into the decision-making process to ensure the meter remains cost-effective over its lifespan .

2 Results
Power Meter -- PCE-PA6000
from PCE Instruments / PCE Americas Inc.

power meter with RS-232 interface and software to analyse power consumption The PCE-PA6000 power meter is a tabletop device for measuring effective power, apparent power, power factor, energy consumption, current, continuous voltage, resistance and frequency. The power meter also offers the... [See More]

  • Options & Features: Battery powered
  • Display Type: Digital
  • Form Factor: Bench top
  • Real Power: 1 to 1000
CW Power Meters -- 9000B
from KRYTAR, Inc.

The Krytar Model 9000B is a low cost, high performance CW power meter using a diode based power sensor. The power meter can measure power levels from -39 to +20 dBm and cover frequencies from 100 kHz to 40 GHz. With bench and field service applications in mind, the power meter was designed to be... [See More]

  • Options & Features: Auto-ranging; Battery powered; dB readings
  • Display Type: Digital
  • Form Factor: Bench top
  • dBm Measurement Range: -30 to 20