Real-time data collection

Light monitoring

Introduction to light monitoring

One of the key aspects of environmental monitoring and management is the control of light exposure and ultraviolet radiation. Correct monitoring can have many benefits for the museum and conservation sectors:

  • Protection of collections
  • Reduction on reactive and a move to proactive conservation treatments
  • Data can be used as evidence and to plan for improvement projects

When measuring light it is common to express the concentration in Lux which is 1 Lumen per square meter (m2) and ultraviolet radiation is measured in microwatts per Lumen (μW/Lm).

The benefit of automated light monitoring

The adverse effects of light and ultaviolet radiation exposure are cumulative. Performing a spot check every day or even every hour simply does not collect enough data to give an accurate account of what is happening in a room or to an item.

With OmniWatch, data is collected several times a minute, with any major fluctuations being noted. To give an accurate and easy to understand picture of what is happening readings are taken times of the day and night that can be turned into a report. It's also possible to set up alerts on light levels to instantly inform members of staff of excessive or unwanted exposure and stop items becoming damaged before it's too late.

Light monitoring

No existing monitoring?

Spook will work with you to identify what your monitoring needs are, secure the required hardware and install it. With nearly 20 years in the industry Spook is one of the leading experts in all things monitoring and are always expanding existing solutions to cater for each individual requirement and challenge it brings.

Wireless light monitoring

Monitor for unwanted access

Lights being turned on can also give a good indication that a person is present in a certain area when you are not expecting or wanting them to be.

Setting up alerts to track light usage within areas where people are unwanted acts as further security and peace of mind for the protection of valuable and vunerable items. This can of course be run in tandem with boundary and IR sensors, motion detection and conventional door access monitoring to give a more complete picture.

The difference between lux and lumens

Lux is a measure of illuminance (the total amount of light that falls on a surface) whereas Lumens is a measure of luminous flux (a measure of the total amount of visible light emitted from a single source for example, a lamp).

The SI unit of illuminance is the lux (lx). It is equal to one lumen per square meter.

1 lx = 1 lm/m2 = 1 cd · sr/m2

The SI unit of luminous flux is the lumen (lm). The lumen is defined in relation to the candela which is the unit of luminous intensity.

1 lm = 1 cd ⋅ sr

Spook monitors a wide range of climate conditions

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Temperature

Thermal condition monitoring.

Humidity

Atmospheric moisture control.

Dew point

Water droplet condensation.

Airflow

Measuring the movement of air.

Water ingress

Water and moisture monitoring

Light

Measuring LUX (luminescence/unit area).