Set Default Cost Recalculation Method
There are two ways to set the default cost recalculation method:
1. In Administration → Defaults, go to Supplier Invoicing section where you can set the default option to be displayed when you add a supplier invoice from Ascora web or the default cost recalculation method when you are importing a CSV or PDF supplier invoice document.
2. When you are adding a supplier invoice, you have the option to select the default recalculation method by clicking on each default cost recalculation method option.
How Cost Recalculation Methods Works
Each recalculation method tries to calculate Unit Sell Price or Markup on Job Supply items.
1. Maintain Markup
Maintain Markup will try to use current Job Supply Markup and Supplier Invoice Unit Cost to calculate Job Supply Unit Sell Price following those scenarios:
- Job Supply Unit Sell Price will be calculated using the following formula:
Job Supply Unit Sell Price = Supplier Invoice Unit Cost * (1+ Job Supply Markup / 100)
- If Job Supply Markup is empty, Job Supply Unit Sell Price will be calculated as:
Job Supply Unit Sell Price = Supplier Invoice Unit Cost
- If Job Supply does not exist but the Supplier Invoice Item exists on the Supply list, Job
Supply Unit Sell Price will be calculated using the following formula:
Job Supply Unit Sell Price = Supplier Invoice Unit Cost * (1+ Supply Markup / 100)
- If Supply Markup is empty:
Job Supply Unit Sell Price = Supplier Invoice Unit Cost
2. Maintain Job Sell Price
Maintain Job Sell Price will try to use Job Supply Unit Sell Price and Supplier Invoice Unit Cost to calculate Job Supply Markup following those scenarios:
- Job Supply Markup will be calculated using the following formula:
Job Supply Markup = 100 * (Job Supply Unit Sell Price / Supplier Invoice Cost - 1)
- If the Job Supply does not exist but the Supplier Invoice Item exists on the Supply list, Job Supply Markup will be calculated as:
Job Supply Markup = 100 * (Supply Unit Sell Price / Supplier Invoice Cost - 1)
3. Use Highest
Use Highest means Ascora will calculate Job Supply depending if:
a. If Job Supply Unit Cost is less than Supplier Invoice Unit Cost, calculate Job Supply Unit Sell Price using “Maintain Markup” option.
b. If Job Supply Unit Cost is more than Supplier Invoice Unit Cost, calculate Job Supply Markup using “Maintain Job Sell Price”
c. If there are not a Job Supply, but the Supplier Invoice Item exist on the Supply list, calculate Job Supply item using Supply item and then depending of options a. or b.
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Sound Level: Measuring the Auditory Landscape
In the world of acoustics and sound engineering, precision is of paramount importance. Accurately measuring and quantifying sound is a fundamental aspect of ensuring safety, quality, and compliance in various applications. Enter the decibel meter, a remarkable device that plays a pivotal role in this process. In this article, we will delve into the world of decibel meters, exploring their significance, applications, and how they contribute to maintaining a harmonious auditory environment.
Understanding Decibel Meters
A decibel meter, often referred to as a sound level meter (SLM), is a device designed to measure the intensity or level of sound. It provides a numerical value in decibels (dB) that represents the sound's intensity, allowing for accurate assessment and comparison of sound levels. Decibel meters are crucial in a wide range of fields, including acoustics, engineering, environmental science, occupational safety, and even entertainment.
The Decibel Scale Revisited
To comprehend the operation of a decibel meter, it is essential to revisit the decibel scale. The decibel scale is a logarithmic scale that quantifies sound intensity in a manner that is both manageable and meaningful. Each increment on the decibel scale represents a tenfold change in sound intensity. This logarithmic property is invaluable when dealing with the vast range of sound levels encountered in various environments sounds meter.
The formula for calculating sound level in decibels is as follows:
L = 10 * log10(I / I₀)
Where:
- L = Sound level in decibels (dB)
- I = Intensity of the sound in watts per square meter (W/m²)
- I₀ = Reference intensity level in watts per square meter (typically the threshold of human hearing)
The reference intensity level, I₀, is generally defined as the threshold of human hearing, which is approximately 1 x 10⁻¹² W/m². This reference value signifies the quietest sound that the average human ear can detect.
Decibel Meters in Action
Decibel meters are practical devices used in a multitude of applications. Here are some common scenarios where they are employed:
1. Environmental Noise Assessment: Government agencies and environmental organizations utilize decibel meters to evaluate and regulate noise pollution in urban, industrial, and residential areas. This ensures adherence to noise standards and the preservation of public health and well-being.
2. Occupational Safety: Decibel meters are crucial tools for assessing noise exposure levels in the workplace. This information is used to implement safety measures and protect workers from hearing damage and other health-related issues.
3. Engineering and Design: Architects and engineers utilize decibel meters to design spaces with desired acoustic properties. Whether it's a concert hall with excellent sound quality or an office space with controlled ambient noise, decibel meters aid in creating optimal acoustic environments.
4. Entertainment and Event Management: In the entertainment industry, decibel meters are indispensable for ensuring safe and enjoyable experiences at live concerts, theaters, and other events. They help maintain appropriate sound levels, safeguarding the comfort of the audience.
5. Hearing Health: Audiologists employ decibel meters to assess hearing thresholds and diagnose hearing impairments in patients. Audiograms, which chart an individual's hearing sensitivity at various frequencies, rely on these measurements.
6. Telecommunications: In the field of telecommunications, decibel meters are used to measure signal strength and loss in communication networks, including cell phone reception, Wi-Fi, and fiber optics.
Using a Decibel Meter
A decibel meter typically consists of a microphone to capture sound, a processor to calculate sound level in decibels, and a display to show the results. Here are the general steps to use a decibel meter:
1. Calibration: Before use, it's essential to calibrate the decibel meter to ensure accurate measurements. This involves adjusting the device to a known reference level.
2. Measurement Location: Place the microphone of the decibel meter in the area where you want to measure sound levels. Ensure that the microphone is unobstructed and facing the source of sound.
3. Measurement Duration: Allow the decibel meter to record sound levels over a specified duration. Some measurements may be instantaneous, while others are averaged over time.
4. Recording Data: The decibel meter will display the sound level in decibels on its screen or save the data for later analysis.
5. Analysis: Review the data to assess the sound levels and compare them to relevant standards or guidelines.
6. Report: If necessary, generate a report with the measured sound levels and any recommended actions or interventions.
Decibel Meters in Everyday Life
Decibel meters also have practical applications in our daily lives. Here are some examples of situations where decibel meters play a role:
1. Smartphone Apps: There are smartphone apps available that turn your phone into a basic decibel meter. These apps can be useful for assessing noise levels in your surroundings.
2. Home Improvement: When using power tools or equipment like lawnmowers, decibel meters can help you gauge noise levels and take appropriate measures to protect your hearing.
3. Home Theater Systems: Decibel meters are useful for setting up home theater systems to achieve optimal audio experiences. They assist in balancing speakers and calibrating audio levels.
4. Traffic Noise: Municipalities use decibel meters to assess and regulate noise levels from traffic to mitigate noise pollution in urban areas.
5. Construction Sites: Decibel meters are commonly used on construction sites to ensure that noise levels adhere to safety regulations and do not disrupt nearby residents.
Decibel meters, also known as sound level meters, are invaluable tools for measuring and quantifying sound intensity in various applications, from ensuring safe working environments to preserving hearing health and managing environmental noise. Their capacity to provide accurate and reliable sound level measurements makes them essential instruments in the field of acoustics and beyond.
Understanding decibel meters and the decibel scale empowers us to navigate the auditory world with precision and purpose. Whether you're a professional in a specific field or an individual interested in protecting your hearing and well-being, the decibel meter is a remarkable device that contributes to a quieter, safer, and more harmonious soundscape.
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