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        Home » Products » Solar Meter » Erythemally Effective (Eeff) UV Index Meter

        Erythemally Effective (Eeff) UV Index Meter

         Erythemally Effective (Eeff) UV Index Meter
        Erythemally Effective (Eeff) UV Index Meter
        Product Code : SM_6_5
        Product Description
        Specifications

        Sensor
        (for reptile or tanning UV lamps)

        Silicon Carbide (SiC) Photodiode packaged on gold plated header via gold wire bonding under UV glass window cap, hermetically sealed.

        Filter: Metal Oxide Eeff (erythemally effective) and PTFE diffuser cap. 

        Sensor (for outdoor sun only) Note: All meters are now shipped with above SiC sensor unless confirmed by email for outdoor use only. 

        Aluminum Galium Nitride (AlGaN) Photodiode with UG-11 filter and PTFE diffuser cap.

        Radiometer


        Peak sunlight response bandwidth: 290-298 nm

        Total solar response: 290-400nm, Diffey
        Display: 3 ½ digit LCD
        Resolution: 0.1 UVI
        Power Source: 9V DC battery
        Accuracy: ±10% ref NIST

        Proper usage of Solarmeter Ultraviolet Radiometer for Outdoor UV Index Measurement 

        The instrumentation used to measure UV index for the U.S. E.P.A./NWS program is directed toward the sky in a global normal (perpendicular to level ground) inclination. Therefore the Solarmeter® Model 6.5 is designed to operate in the same fashion. Solar irradiance measured this way includes direct (reduced by cosine law depending on solar zenith angle) plus diffuse (diffused by the atmosphere).
        This vertical (global) reading represents an average intensity value your body will experience while being active on a tennis or volleyball court, or lying flat on a blanket on the grass. If however, you are reclined in a lounge chair facing the sun perpendicular to the sun angle, you will experience a higher UV intensity, as represented by pointing the Solarmeter ® directly at the sun. This value will typically exceed the actual UV index number.

        To obtain the UV index instantaneous value, the following instructions will provide the most consistent, accurate results:
        • Stand clear of buildings, trees, etc. to obtain a "full sky" field of view.

        • Hold the meter vertical out in front of your body.

        • Press and hold button on front of meter case. Note reading on LCD. This value represents the instantaneous UV index.

        • The highest UVI values typically occur when the sky is a deep blue color, and sometimes when the sun is between scattered white "puffy" clouds. Take extra precaution under these conditions to reduce sunburn potential.

        VECTOR TECHNOLOGIES

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