In this article we are going to learn the SOP for Lux meter and it’s importance.

Why Lux meter is used – The reason behind it is , have you heard some drugs are stored in amber colour bottles or tablets in dark amber colour packaging right, all this is due to light sensitivity of respective drug.

Standard Operating Procedure for operation of Lux meter

Aim : To lay down the procedure for operation of Lux meter

Purpose : To monitor Lux levels during batch operation where light sensitive drugs are used

Responsibility: Production personnel is responsible for monitoring the Lux levels during batch operation

Procedure:

Checks before operation

• Ensure the Lux meter is in calibrated state
• Check the batteries, if required change them
• Ensure the sensor is clean

Operation procedure:

• Switch  on the Lux Meter:  Turn on the Lux meter by pressing the power button
•  Select the measuring range , if the Lux meter    is  not in auto ranging
• Now Position the sensor towards the target where light intensity is to be measured
• Allow the Lux meter to stabilize and record the value
• Document the Lux value in the BMR or log book for monitoring Lux values , if measurements are required at specified intervals , record as per frequency
• After operation clean the Lux meter and keep secured in its case for next measurement

Precautions :

Do not measure the Lux value near reflective surfaces .

Before measuring ensure the sensor is free from obstructions.