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                    SOLARMETER ? 6.2 UVB

                    The Model 6.2 features an Integral Sensor and applications include lamp UVB intensity & aging, acrylic shield transmission, percent (%) UVB if divided by reading from Model 5.7, eyewear UV comparison.

                     

                     

                    Specifications Radiometer
                    Model 6.2
                    Irradiance Range 0-1999 μW/cm2 UVB
                    Response 280-320 nm
                    Resolution 1 μW/cm2
                    Conversion Rate 3.0 Readings/Sec
                    Display 3.5 Digit LCD
                    Operating Temps 0° C to 40° C
                    Operating Humidity 5% to 80% RH
                    Accuracy ±10% REF.NIST
                    Dimensions (LxWxD) 10.5 x 6 x 2.2 cm
                    Weight 110 Grams
                    Power Source 9-Volt DC Battery
                    Lens UV Glass
                    Diffuser Virgin Teflon .003

                     

                    To enquire on the the Model 6.2 please click on the link below or use the contact page.

                    When requesting a quote please provide quantity and suburb/state for postage/delivery details.

                     

                    Sensor - Silicon Carbide (SIC) Photodiode packaged in hermetically sealed UV glass window cap. Interference filter coating (Metal Oxide) blocks most UVA from response as shown on Spectral Sensitivity Graph.

                    Operation
                    Press and hold push-button switch on face of unit. Aim sensor window in top panel of meter directly at UV source. Note reading on LCD and record if desired.

                    Battery operation voltage is 9V down to 6.5V. Below 6.5V the LCD numbers will begin to dim, indicating the need for battery replacement. Under "typical" service load, the battery should last about 2 years.

                    Proper Usage of Solarmeter ? Ultraviolet Radiometer for Lamp Aging Tests
                    • Wear eye protection when checking UV lamps.

                    • Allow lamps to warm-up prior to taking readings (at least 5 min).

                    • When checking aging of lamps, keep measuring distance and locations constant.

                    • Lamps should be replaced when output drops 30% to about 70% of their original (new) readings. Take overall reading at exposure distance, or check individual lamps close to surface. Keep track of hours vs. readings on a chart.

                    • If unsure of what original new values were, replace lamp(s) with new ones of the same kind and compare to old ones.

                    • To determine percent UVB divide Model 6.2 reading by Model 5.7 total UV (UVA + B) reading. (See FAQ page).

                    • When checking UVT acrylic transmission, take reading through acrylic; then remove acrylic and hold meter sensor at approximately the same distance from lamp as the acrylic shield was located. If acrylic blocks much UVB it should be replaced.

                    • When using this meter to compare different type lamps, due to their different spectral power distributions, the readings should be considered relative rather than absolute. Although higher output lamps of similar SPD's will generally read higher than lower output lamps, ones that peak near 290-300 nm (as does the meter response) will read higher than ones peaking near 313 nm even if the total UVB output of both is the same.

                    • Do not subject the meter to extremes in temperature, humidity, shock or dust.

                    • Use a dry, soft cloth to clean the intrument. Keep sensor free of oil, dirt, etc.

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