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Dew point monitoring

The importance of dew point monitoring and the benefits it offers

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OmniWatch dashboard

News: New indoor air quality monitoring to limit the spread of Covid-19 and other aerosol related infections.

Monitoring specialists

Spook's award winning remote monitoring service called OmniWatch monitors dew point. Measuring dew point across many different assets and areas; OmniWatch presents realtime readings in an easy to use real-time digital dashboard.

Spook and OmniWatch was voted Specialist Technology Company of the Year and Most Innovative Solution of the Year at the annual UK CIR Business Continuity Awards.

What's the difference between relative humidity and dew point?

RH is a measurement of the amount of water vapour present in the air and is stated as a percentage of the amount needed to achieve saturation at the same temperature. Whereas, the dew point level is a calculation between temperature and humidity and is always expressed as a temperature value, most commonly °C.

For organisations that require highly accurate dew point monitoring there are many precision dew point sensors available, contact us for more information.

What is dew point?

Dew point is the climate point at which the relative air humidity equals 100% and begins to condense. Dew point is presented in °C Td (dew point temperature).

Dew point temperature is a measurement of the water vapour content in a gas. If air is compressed or expanded, its dew point temperature changes.

If air is compressed, it is able to absorb less water and the dew point rises until the air is saturated and begins to condense. In this example, the term pressure dew point measurement is also used to describe measurement of the dew point in gases above the ambient temperature.

Try our free dew point calculator

Temperature

Enter the temperature value (°C)

°C

Humidity

Enter the relative humidity value (%)

%

Dew Point

How dew point feels at various dew point ranges (°C).

Why is dew point measured?

There can be many reasons for monitoring dew point. A good example is compressed air systems with an excessively high dew point can condense, thereby causing valves to become blocked or corroded.

In addition to this, dry compressed air systems require less maintenance, which saves labour time and costs.

Furthermore, there are sensitive processes in specific industries such as the drying of injection moulding granulate and the compressed air for spray painting systems, which place particularly high demands on measuring dew point.

The importance of dew point monitoring for cooling systems

In an unmonitored room containing several air conditioning (AC) units, it is possible to have half the room's cooling units adding humidity while the other half work to reduce it. This condition is known as "demand contention" and is one of the primary causes of excessive energy consumption in IT environments.

By monitoring and controlling dew point and relative humidity (RH) greatly reduces the frequency of demand contention. This is due to the fact that as air increases in temperature in an IT environment its dew point stays the same.

Most air cooling units simply maintain humidity levels based on the actual amount of water required in each pound of air that passes through the unit.

Elimination or reduction of demand contention can significantly increase the efficiency of the cooling system and save excessive usage of power.


OmniWatch key features

Cloud based

OmniWatch is cloud based and is accessed via any internet enabled device.

3-tier alarms

Alarms are handled using Spook's unique 3-tier alarm escalation process.

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Digital dashboards

OmniWatch dashboards provide interactive and intuitive access to sensor readings 24/7.

Scaleable installations

Totally scaleable from a handful of sensors to a global solution monitoring 1000s of devices.

Trend analysis

Sensor readings are held in perpetuity; providing accurate historical trend analysis.

Automated reporting

Comprehensive reports can be scheduled to be auto emailed daily, weekly and monthly.

Reed

We have three Computer Room Air Conditioning units (CRAC) and they are set to duty cycles of two on/one off, to ensure air cooling redundancy and to help compensate each other when a unit becomes stressed or less efficient. We found monitoring dew point to be a helpful measurement in order to reduce ‘demand contention’. OmniWatch checks dew point as well as tracking the duty cycles of each CRAC unit, this helps ensure our server room is energy efficient.

Reed - A UK specialist in IT and HR recruitment.

Fun fact

Observing dew point

Have you ever drank a glass of ice cold water on a warm day and noticed water droplets collect on the outside of the glass? or have you ever been traveling in a warm car on a very cold day and seen condensation on the inside of the windows or windshield? Then you have definitely observed dew point.

Dew point and meteorology

Dew point helps meteorologists predict the height of the base of certain types of clouds together with calculating the percentage chance of precipitation. Meteorologists study dew point when checking how moist the air is as relying purely on relative humidity can be misleading.

Dew point can assist in forecasting overnight low temperatures too. In the majority of cases, the low temperature will not fall too far below the preceding evening's dew point. As temperatures fall towards the dew point, enough heat is released into the atmosphere to cause condensation.

Support for new monitoring customers

New to monitoring

We help organisations start monitoring projects from scratch. We have a wealth of experience that is free and helpful in creating an informed approach to monitoring.

We are also resellers to industry leading sensor and equipment manufacturers and can recommend the most appropriate hardware and sensors to fit any size monitoring project.

"

We had been considering monitoring for a while but did not have the resource or the knowledge to fully understand how to go about doing things from scratch.

We approached Spook as they have lots of experience in looking independently at monitoring projects. They recommended and provided the most appropriate hardware and sensors for us.

The sensors arrived pre-configured and were implemented on OmniWatch by Spook before we installed them.

VAX
Support for customers with existing monitoring

Additional monitoring

Many of our customers have tried monitoring for themselves.

This ranges from institutions that rely on equipment onboard data loggers and communications cards; to organisations that have started monitoring projects but need help to extend monitoring to new areas and/or implement a central monitoring solution.

"

We needed a remote monitoring service that did not require an on premise PC and was independent of our network.

Spook provided pre-configured cellular routers for each of our five locations across the UK. The whole project was a simple plug-and-play solution with no involvement from us.

NHS Business Services Authority
"

We had been considering monitoring for a while but did not have the resource or the knowledge to fully understand how to go about doing things.

When we Googled the various areas of interest we got more confused.

We approached Spook as they have a different outlook to simply buying hardware and sensors. Thankfully we now have a fully installed, joined up monitoring solution.

VAX
"

We had a series of climate monitors installed in our server rooms. Due to a change in our security policy we needed a remote monitoring service that did not require an on premise PC and was independent of our network.

Spook suggested a technology upgrade and provided pre-configured cellular routers for each of our five server locations across the UK. The whole project was a simple plug-and-play solution with no involvement from us.

NHS Business Services Authority

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Used by

888
Alder Hey Children's
Avon and Wiltshire Mental Health Partnership
Creative Assembly
Clatterbridge Cancer Centre
East Riding of Yorkshire
Fiskars
Friends Provident
Generali
Greene King
Handelsbanken
Hilti
Liverpool Heart and Chest Hospital
Maidstone and Tunbridge Wells
Muller
NHS BSA
Nisa
P&O Ferrymasters
Principality
Reed
St Albans
Thermo Fisher
Vax
Waterstones
  • 888
  • Alder Hey Children's
  • Avon and Wiltshire Mental Health Partnership
  • Creative Assembly
  • Clatterbridge Cancer Centre
  • East Riding of Yorkshire
  • Fiskars
  • Friends Provident
  • Generali
  • Greene King
  • Handelsbanken
  • Hilti
  • Liverpool Heart and Chest Hospital
  • Maidstone and Tunbridge Wells
  • Muller
  • NHS BSA
  • Nisa
  • P&O Ferrymasters
  • Principality
  • Reed
  • St Albans
  • Thermo Fisher
  • Vax
  • Waterstones

Get in touch with Spook

Please contact us if you wish for further information on how Spook can help with your environmental and power monitoring needs.

Contact us