2 SDL470-en-GB_v1.4 3/17
Introduction
Thank you for selecting the Extech Instruments Model SDL470 Ultraviolet Light Meter. The
SDL470 measures UVA and UVC light plus temperature. This device is shipped fully tested and
calibrated and, with proper use, will provide years of reliable service. Please visit our website
(www.extech.com) to check for the latest version of this User Guide, Product Updates, and
Customer Support.
Features
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UVA and UVC light measurement in one meter
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Long wave 365 nm ultra-violet irradiance measurements (UVA)
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Professional UVA meter, used to measure the UVA Radiation from UVA light (black light)
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Short wave 254 nm ultra-violet irradiance measurements (UVC)
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Professional UVC light meter, measures UVC irradiation from UVC light source
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Two ranges: 2000 µW/cm² and 20 mW/cm²
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Meter includes two probes: UVA probe and UVC probe
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UV Sensor with cosine correction filter
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UV Zero feature
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Applications include: Monitoring blue light radiation from welding equipment, UV
sterilization, graphic arts, photochemical matching, UV EPROM erasure, Photo-resist
exposure, ink curing, adhesives and coatings
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Microprocessor circuit provides high reliability and durability
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Separate UV light probe allows the user to measure UV light with optimum positioning
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Type K and Type J thermocouple thermometer (probe not included)
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Real time SD memory card Datalogger, built-in calendar clock, real-time data recording,
with selectable sampling time (rate) from 1 second to 3600 seconds
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Manual Datalogging (set the sampling rate to 0)
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Simple, innovative operation, PC not required to setup. Simply use the SD card to
transfer data from meter to PC
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SD card capacity: 1 GB to 16 GB.
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LCD with green backlight is easy to read
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Meter can be set to default on auto power off or manual power off
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Includes Data hold, Record MA and MIN readings
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Powered by Alkaline 1.5V AA x 6 batteries or 9V AC adaptor
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RS232/USB PC computer interface
