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Picking your Pt100 Probe

If you are here you are probably interested in purchasing our Pt100 Thermometer over at the ATP store or have just read one of our guides over at our blog and are wanting to know more about Pt100 probes options. So let’s get you informed. Important Note: This guide presumes …

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Pt100 Accuracy and Probe Classification

It is important to understand that just like K-Type thermometers there are 3 main areas of uncertainty when using Pt100 thermometers. So lets break it down. This one is nice and simple, but often misunderstood. This is the accuracy of the device that actually interprets the signals from the probe …

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What is a Resistance Temperature Detector (RTD)?

Welcome to the world of high accuracy temperature measurement. This article is aimed to give you, our valued ATP customers, a simplified overview of the how a Resistance Temperature Detector is designed and operates so you can customise and purchase your unit will full confidence, knowing you are getting exactly …

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Control of Noise at Work Regulations (2005) (UK) | Health & Safety

The Control of Noise at Work Regulations (2005) governs the requirements of employers in protecting their employees from damaging sound levels. They require employers to reduce risks wherever possible from exposure to noise at work. They also outline the requirements of any sound level meter used to obtain acoustic measurements. …

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What is Leq? – Integrating Sound Level Meters Uncovered

Leq is one of the most important variables to be calculated when complying with regulations such as the Noise at Work Regulations (2005). Leq is the Equivalent Continuous Sound Level and represents sound exposure over an elapsed period of time. But getting to this value requires multiple steps and the …

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A, C & Z Frequency Weightings Explained

Frequency weightings are one of the most important parameters you need to be aware of when measuring sound. Picking the one wrong one or failing to realise which one you are using can make you results invalid and unrepeatable. You may have noticed that most sound level meters offer a …

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Time Weightings Explained – Fast, Slow and Impulse

Time weightings are a common specification provided on most sound level meters. Categorised as ‘Slow’, ‘Fast’ and ‘Impulse’ it is not always clear exactly what they are or how they are represented. Thankfully, as with most Jargon, these are easier to understand than you think. The easiest way to understand …

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The Difference between Class and Type for Sound Meters

Getting a little confused between ‘Type’ and ‘Class’ of sound meter? Don’t worry, it’s way easier than you think! Sound level meters come in 2 varieties – those that comply with standards and those that don’t. Class and Type refer to sound meters that are manufactured to meet pre-defined technical …

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Sound Meter Standards – A Quick Guide

If you’re new to sound measurement then you will no doubt find an abundance of different sound meter standards online all claiming to be the current and most up to date. Unfortunately many of these posts are long out-dated and as a result a little inaccurate. To combat this, we …