Extech Instruments HD400 User Manual Download | Manualshive

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User's Guide

Heavy Duty Digital Light Meter

with PC Interface

Model HD400

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Summary of Contents for HD400

Page 1: ...User s Guide Heavy Duty Digital Light Meter with PC Interface Model HD400 ...

Page 2: ...on for the measurement of light illuminance Large 4000 count backlit LCD display with fast 40 segment bargraph Data Hold function Meets CIE Photopic spectral response Fully cosine corrected for angular incidence of light Stable long lasting silicon photo diode sensor with spectral response filter Fast responding High accuracy Automatic zero function Peak Hold function for capturing fast changes in...

Page 3: ...r housing protective cover not shown 8 Power ON OFF button NOTE The battery compartment tripod mount and tilt stand are located on the rear of the instrument and are not pictured Display Description 1 Digital measurement reading 2 Bargraph measurement reading 3 Auto Power OFF active icon 4 MANU icon 5 DATA HOLD icon 6 RELATIVE mode icon 7 MAXIMUM and MINIMUM reading mode 8 PEAK HOLD mode 9 Low Bat...

Page 4: ...r Guide for detailed range information Taking a Measurement 1 Remove the sensor s protective cap to expose the white sensor dome 2 Place the sensor in a horizontal position under the source of light to be measured 3 Read the illuminance measurement on the LCD display 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...

Page 5: ...dings will be displayed as actual reading minus 100 1 Take the measurement and when the desired reference value is displayed press the REL button 2 MANU REL will appear at the top of the LCD display 3 All subsequent readings will be offset 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 plus 100 Lux 4 To ...

Page 6: ...n in real time after which the readings can be analyzed stored as text or printed 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 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 softwar...

Page 7: ...tral response CIE photopic Spectral accuracy Vλ function f 1 6 Cosine response f 2 2 Cosine corrected for angular incidence of light Measurement Repeatability 3 Display rate Approximately 750 msec for digital and bargraph displays Photo detector Silicon photo diode with spectral response filter Peak capture 10mS minimum Operating conditions Temperature 32 to 104o F 0 to 40o C Humidity 80 RH Storag...

Page 8: ...ck 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 molded arrow Replace or install the 9V battery and close the battery compartment by sliding the compartment cover back onto the meter Storing When the meter is to be stored please remove the battery and affix the sensor s protective cover Avoid stor...

Page 9: ...l or consequential damages FLIR s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Calibration Repair and Customer Care Services FLIR Systems Inc offers repair and calibration services for the Extech Instruments products we sell NIST certification for most products is a...

Page 10: ...entel La responsabilité totale de FLIR est limitée à la réparation ou au remplacement du produit La garantie définie ci dessus est inclusive et aucune autre garantie écrite ou orale n est exprimée ou implicite Calibrage réparation et services après vente FLIR Systems Inc offre des services de calibrage et de réparation pour les produits Extech Instruments que nous commercialisons Nous fournissons ...

Page 11: ...ncidentales o consecuentes La responsabilidad total de FLIR está limitada a la reparación o reemplazo del producto La garantía precedente es inclusiva y no hay otra garantía ya sea escrita u oral expresa o implícita Servicios de calibración reparación y atención a clientes FLIR Systems Inc ofrece servicios de reparación y calibración para los productos que vendemos de Extech Instruments Además ofr...

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