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Summary of Contents for Extech Instruments HD450
- Page 1 User's Guide Duty Datalogging L eavy ight eter with PC Interface Model HD450...
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Page 2: Meter Description
Introduction Congratulations on your purchase of the Extech HD450 Digital Light Meter. The HD450 measures illuminance in Lux and Foot candles (Fc). The HD450 is a Datalogger and includes a PC interface and Windows compatible software for downloading data. Up to 16,000 readings can be stored on the meter for download to a pc and 99 readings can be stored and viewed directly on the meter’s LCD display. -
Page 3: Operation
The bargraph display will remain active displaying the current light level. To exit the Peak Hold mode and return to the normal operating mode, press the PEAK button a third time. HD450-EU-EN V1.5 07/13... - Page 4 Press the backlight button again to switch the backlight off. Note that the backlight will turn off automatically after a short period of time in order to save battery energy. The backlight function uses extra battery energy. To conserve energy, use the backlight feature sparingly. HD450-EU-EN V1.5 07/13...
- Page 5 LCD 16,000 Point Datalogger The HD450 can automatically record up to 16,000 readings in its internal memory. To view the data, the readings must be transferred to a PC via the supplied software.
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Page 6: Usb Pc Interface
USB PC Interface Description The HD450 meter can be connected to a PC via its USB interface. A USB cable, along with Windows software, is included with the meter. The software allows the user to: Transfer previously stored readings from the meter’s internal memory to a PC ... -
Page 7: Specifications
115 x 60 x 20mm (4.5 x 2.4 x 0.8”) Weight Approx. 390g (13.8 oz.) with battery Sensor lead length 1m (3.2’) Low battery indication Battery symbol appears on the LCD Power supply 9V battery Battery Life 100hrs (backlight off) HD450-EU-EN V1.5 07/13... -
Page 8: Maintenance
When the meter is to be stored for a period of time, please remove the battery and affix the sensor’s protective cover. Avoid storing the meter in areas of extreme temperature and humidity. Copyright © 2013 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form ISO‐9001 Certified www.extech.com HD450-EU-EN V1.5 07/13...
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