EXTECH Heavy Duty Datalogging Light Meter with PC Interface Model HD450
Contents
1. 9 HD450 EU EN V1 4 5 12 Operation Meter Power 1 Press the Power button to turn the meter ON or OFF 2 Ifthe meter does not switch on when the power button is pressed or if the low battery icon is displayed on the LCD replace the battery Auto Power Off APO 1 The meter is equipped with an automatic power off APO feature that turns the meter off after 20 minutes of inactivity The icon appears while APO is enabled 2 To disable the APO feature simultaneously press and release the RANGE APO and REC SETUP buttons Press and release again to re activate the APO feature Unit of Measure Press the UNITS button to change the unit of measure from Lux to Fc or from Fc to Lux Range Selection Press the RANGE button to select the measurement range There are four range selections for each unit of measure The range icons will appear to identify the range selected Taking a Measurement 1 Remove the sensor s protective cap to expose the white sensor dome Place the sensor in a horizontal position under the source of light to be measured 2 3 Read the light level on the LCD display numerically or with the bargraph 4 The meter will display OL when the measurement is outside of the meter s specified range or if the meter is set to the wrong range Change the range by pressing the RANGE button to find the best range for the application 5 Replace the protective sensor cap when the meter is not in use Data2. located under the tab at the left hand side of the meter The larger connector end of the cable connects to a PC USB port Program Software The supplied software allows the user to view readings in real time on a PC The readings can be analyzed zoomed stored and printed Please refer to the HELP UTILITY available from inside the software program for detailed software instructions The main software screen is shown below for preview Cae Legge a Mend hapii 6 HD450 EU EN V1 4 5 12 Specifications Range Specifications Units Lux Foot candles Notes 2 1Fc 10 76 Lux Range Resolution Accuracy 5 rdg 10 digits 10 rdg 10 digits 5 rdg 10 digits 10 rdg 10 digits 1 Sensor Calibrated to standard incandescent lamp color temperature 2856K General Specifications Display Ranging Over range indication Spectral response Spectral accuracy Cosine response Measurement Repeatability Display rate Photo detector Operating conditions Storage conditions Meter Dimensions Detector Dimensions Weight Sensor lead length Low battery indication Power supply Battery Life 4000 count LCD display with 40 segment bargraph Four ranges manual selection LCD displays OL CIE photopic CIE human eye response curve VA function f4 6 f2 2 Cosine corrected for angular incidence of light 3 Approximately 750 msec for digital and bargraph displays Sil
3. Hold To freeze the LCD display momentarily press the HOLD button MANU HOLD will appear on the LCD Momentarily press the HOLD button again to return to normal operation Peak Hold The Peak Hold function allows the meter to capture short duration light flashes The meter can capture peaks down to 10mS in duration 1 Press the PEAK button to activate the Peak Hold feature Manu and Pmax will appear on the display Press the PEAK button again and Manu and Pmin will appear Use Pmax to capture positive peaks Use Pmin to capture negative peaks 2 When the peak has been captured the value and associated time will remain in the display until a higher peak is recorded The bargraph display will remain active displaying the current light level 3 To exit the Peak Hold mode and return to the normal operating mode press the PEAK button a third time 3 HD450 EU EN V1 4 5 12 Maximum MAX and Minimum MIN Reading Memory The MAX MIN function allows the meter to store the highest MAX and lowest MIN readings 1 Press the MAX MIN button to activate the feature Manu and MAX will appear on the display and the meter will only display the highest reading encountered 2 Press the MAX MIN button again Manu and MIN will appear on the display and the meter will only display the lowest reading encountered 3 When the MAX or MIN has been captured the value and associated time w
4. User s Guide EXTECH INSTRUMENTS A FLIR COMPANY Heavy Duty Datalogging Light Meter with PC Interface Model HD450 SW N C Introduction Congratulations on your purchase of the Extech HD450 Digital Light Meter The HD450 measures illuminance i 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 This meter is shipped fully tested and calibrated and with proper use will provide years of reliable service Meter Description Meter Description 1 N OQ a fw N NOTE The battery compartment tripod mount and tilt stand are located on the rear of the instrument and are not pictured Sensor cable plug USB jack for PC interface under the flip down cover LCD Display Upper function button set Lower function button set Power ON OFF button Light sensor Display Description Clock setting modes Clock display Relative mode icon Auto Power OFF APO icon Low battery icon Data Hold icon PEAK HOLD modes Range indicators Unit of measure Digital display Bargraph display Data download to PC icon PC serial connection established Memory address number USB PC connection icon Memory icon 14 Tiie E 3 RA el on O IDIN 6 ooo ray 400
5. ically 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 1 2 Using the SETUP mode set the time and sample rate The default sample rate is 1 sec To begin recording Press and Hold the REC button until the MEM display icon begins blinking Data will store at the sample rate while the MEM icon is blinking To stop recording Press and Hold the REC button until the MEM icon disappears If the memory is full OL will appears as the memory number To clear the memory with the meter off press and hold the REC button and then press the power button AEL will appear in the display Release the REC button when MEM appears in the display the memory has been cleared 5 HD450 EU EN V1 4 5 12 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 View plot analyze store and print readings data Remotely control the meter via virtual software buttons Record readings as they are taken Subsequently printing storing analyzing etc the readings data Meter to PC Connection The supplied USB cable is used to connect the meter to a PC Connect the smaller connector end of the cable to the meter s interface port
6. icon photo diode with spectral response filter Temperature 0 to 40 C 32 to 104 F Humidity lt 80 RH Temperature 10 to 50 C 14 to 140 F Humidity lt 80 RH 170 x 80 x 40mm 6 7 x 3 2 x 1 6 115 x 60 x 20mm 4 5 x 2 4 x 0 8 Approx 390g 13 8 oz with battery 1m 3 2 Battery symbol appears on the LCD 9V battery 100hrs backlight off 7 HD450 EU EN V1 4 5 12 Maintenance Cleaning The Meter and its sensor can be cleaned with a damp cloth A mild detergent may be used but avoid solvents abrasives and harsh chemicals Battery Installation Replacement The battery compartment is located on the back of the meter The compartment is easily accessed by pressing and sliding the rear battery compartment cover off of the meter in the direction of the arrow Replace or install the 9V battery and close the battery compartment by sliding the compartment cover back onto the meter You as the end user are legally bound EU Battery ordinance to return all used batteries disposal in the household garbage is prohibited You can hand over your used batteries accumulators at collection points in your community or wherever batteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle Storing When the meter is to be stored for a period of time please remove the battery and affix the sensor s protective cover Avoid s
7. ill remain in the display until a higher value is recorded The bargraph display will remain active displaying the current light level 4 To exit this mode and return to the normal operating mode press the MAX MIN button a third time Relative Mode The Relative Mode function allows the user to store a reference value in the meter All displayed readings will be relative to the stored reading 1 Take the measurement and when the desired reference value is displayed press the REL button 2 Manu will appear on the LCD display All subsequent readings will be offset by the by an amount equal to the reference level For example if the reference level is 100 Lux all subsequent readings will equal the actual reading minus 100 Lux 4 To exit the Relative Mode press the REL button LCD Backlight The meter is equipped with a backlight feature that lights up the LCD display 1 Press the backlight button to activate the backlight 2 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 3 The backlight function uses extra battery energy To conserve energy use the backlight feature sparingly 4 HD450 EU EN V1 4 5 12 Clock and Sample Rate Setup In this mode the A and arrow buttons will allow adjustment of the selected flashing digits The lt and gt buttons will scroll to the next or previou
8. s selection 1 2 3 Power the meter then press and the REC SETUP and UNITS buttons simultaneously to enter the Setup mode The hours display will flash Adjust and step through each selection as needed Press and hold the REC SETUP and UNITS buttons simultaneously to exit the Setup mode The order of selection with the flashing icon is Hour 0 to 23 12 13 14 Time Minute 0 to 59 12 13 14 Time Second 1 to 12 13 14 Time Sample Rate 00 to 99 seconds 02 Sampling Month 1 to 12 103 10 Day Day 1 to 31 103 10 Day Day of the week 1 to 7 103 10 Day Year 00 to 99 2008 Year 99 Point Memory Up to 99 readings can be stored manually for later viewing directly on the meter s LCD This data can also be transferred to a PC using the supplied software program 1 2 3 4 a With the meter ON press the REC button momentarily to store a reading The MEM display icon will appear with the memory address number 01 99 If the 99 reading memory is full the MEM icon and memory location number will not appear To view stored readings press and hold the LOAD button until the MEM display icon appears alongside the memory address number Use the up and down arrow buttons to scroll through the stored readings To clear the data press and hold the REC SETUP and LOAD buttons simultaneously until CL appears in the memory location field on the LCD 16 000 Point Datalogger The HD450 can automat
9. toring the meter in areas of extreme temperature and humidity Copyright 2010 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 8 HD450 EU EN V1 4 5 12
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