Extech Instruments HD400 Manuale utente

User's Guide

Heavy Duty Digital Light Meter

with PC Interface

Model HD400

HD400-EN V2.4 07/13

Introduction

Congratulations on your purchase of the Extech HD400 Digital Light Meter. The HD400 measures

illuminance in Lux and Foot candles (Fc). The HD400 includes a PC interface and WindowsTM

compatible software for real-time monitoring and storage of light level data. This meter is shipped

fully tested and calibrated and, with proper use, will provide years of reliable service.

Features

Precision instrumentation 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 light levels down to 10mS

Auto power off after 20 minutes of inactivity

Maximum and Minimum light level memory

Relative reading feature

USB PC Interface for Data acquisition

Four (4) range levels

Heavy Duty, rugged, double molded housing

HD400-EN V2.4 07/13

Description

Meter Description

1. Sensor cable plug shown connected to meter jack

2. USB jack for PC interface (under the flip-down cover)

3. LCD Display

4. Upper Push Button set

5. Lower Push Button set

6. Sensor’s light collector dome

7. Sensor 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 Battery symbol

10. PC connection icon

11. Range units of measure

HD400-EN V2.4 07/13

Operation

Meter Power

1. Press the Power button to turn the meter ON or OFF

2. If the meter does not switch on when the power button is pressed or if the low battery icon is

displayed on the LCD, replace the 9V 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

2. To defeat the APO feature, press and hold the APO button. While holding down the APO

button, press the RANGE button to switch off the circular APO symbol on the upper left-hand

corner of the LCD. Repeat this step to re-activate the APO feature. The APO icon will

reappear.

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 units display and decimal point location identify the range selected. Refer

to the Range Specifications section of this User 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. Change the range by pressing the RANGE button.

5. Replace the protective sensor cap when the meter is not in use.

Data Hold

To freeze the LCD display, momentarily press the HOLD button. 'MANU HOLD' will appear on the

upper left-hand side of the LCD. Momentarily press the HOLD button again to return to normal

operation ('MANU HOLD' will switch off).

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 Pmax’’ will appear on the

display. Press the PEAK button again and ‘MANU Pmin’ will appear. Use ‘Pmax’ to capture

positive peaks. Use ‘Pmin’ to capture negative peaks.

2. To exit the Peak Hold mode and return to the normal operating mode, press the PEAK button a

third time.

HD400-EN V2.4 07/13

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 MAX’ will appear on the top of the

display and the meter will only display the highest reading encountered.

2. Press the MAX-MIN button again. ‘MANU MIN’ will appear on the top of the display and the

meter will only display the lowest reading encountered.

3. 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 for which to

compare subsequent readings. For example, if the user stores a reading of 100 Lux, all subsequent

readings 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 exit the Relative Mode, press the REL button. ‘MANU REL’will switch off indicating that the

meter has returned to the normal operating mode.

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.

HD400-EN V2.4 07/13

USB PC Interface

Description

The HD400 meter can be connected to a PC via its USB interface. A USB cable, along with

WindowsTM software, is included with the meter. The software allows the user to view, store, and

print readings from the PC.

Note that the HD400 does not datalog readings, meaning that it does not store readings in an

internal memory; it simply displays readings on the PC as they are taken 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 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

HD400-EN V2.4 07/13

Specifications

Range Specifications

Units

Range

Resolution

Accuracy

Lux

400.0

0.1

± (5% rdg + 10 digits)

4000

40.00k

0.01k

± (10% rdg + 10 digits)

400.0k

0.1k

Foot candles

40.00

0.01

± (5% rdg + 10 digits)

400.0

0.1

4000

± (10% rdg + 10 digits)

40.00k

0.01k

Notes:

1. Sensor Calibrated to standard incandescent lamp (color temperature: 2856K)

2. 1Fc = 10.76 Lux

General Specifications

Display 4000 count LCD display with 40 segment bargraph

Ranging Four ranges, manual selection

Over range indication LCD displays ‘OL’

Spectral response CIE photopic

Spectral accuracy Vλfunction (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 104oF (0 to 40oC); Humidity: < 80%RH

Storage conditions Temperature: 14 to 140oF (-10 to 50oC); Humidity: < 80%RH

Meter Dimensions 6.7 x 3.1 x 1.6" (170 x 80 x 40mm)

Detector Dimensions 4.5 x 2.4 x 0.8”(115 x 60 x 20mm)

Weight Approx. 13.7 oz. (390g) with battery

Sensor lead length 3.2’ (1m)

Low battery indication Battery symbol appears on the LCD

Power supply 9V battery

HD400-EN V2.4 07/13

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

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 storing the meter in areas of extreme temperature and humidity.

HD400-EN V2.4 07/13

Warranty

FLIR Systems, Inc. warrants this Extech Instruments brand device to be free of defects in parts and workmanship for three

years from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to

return the instrument for service during or beyond the warranty period, contact the Customer Service Department for

authorization. Visit the website www.extech.com for contact information. A Return Authorization (RA) number must be issued

before any product is returned. The sender is responsible for shipping charges, freight, insurance and proper packaging to

prevent damage in transit. This warranty does not apply to defects resulting from action of the user such as misuse, improper

wiring, operation outside of specification, improper maintenance or repair, or unauthorized modification. FLIR Systems, Inc.

specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any

direct, indirect, incidental 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 also provided. Call the Customer Service Department for

information on calibration services available for this product. Annual calibrations should be

performed to verify meter performance and accuracy. Technical support and general customer

service is also provided, refer to the contact information provided below.

www.extech.com

Support Lines: U.S. (877) 439-8324; International: +1 (603) 324-7800

Technical Support: Option 3; E-mail: [email protected]

Repair & Returns: Option 4; E-mail: [email protected]

Product specifications are subject to change without notice

Please visit our website for the most up-to-date information

www.extech.com

FLIR Commercial Systems, Inc., 9 Townsend West, Nashua, NH 03063 USA

ISO 9001 Certified

HD400-EN V2.4 07/13

Garantie

FLIR Systems, Inc. garantit que cet appareil Extech Instruments est exempt de défauts matériaux et de fabrication pendant

trois ans à partir de la date d’envoi (une garantie limitée de six mois s’applique aux capteurs et aux câbles). Si le renvoi de

l’appareil pour réparation devient nécessaire durant ou après la période de garantie, contactez le service client pour

autorisation. Pour obtenir les coordonnées, visitez le site Web suivant : www.extech.com. Un numéro d’autorisation de retour

(AR) doit être délivré avant tout retour de produit. L’expéditeur prend à sa charge les frais d’expédition, le fret, l’assurance et

l’emballage correct de l’appareil afin de prévenir toute détérioration durant le transport. Cette garantie ne s’applique pas aux

dommages imputables à l’utilisateur, tels que l’usage impropre ou abusif, un mauvais câblage, une utilisation non conforme aux

spécifications, un entretien ou une réparation incorrecte, ou toute modification non autorisée. FLIR Systems, Inc. déclinera

spécifiquement toute garantie ou qualité marchande ou aptitude à l’emploi prévu, et ne sera en aucun cas tenu responsable

pour tout dommage conséquent, direct, indirect ou accidentel. 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 également une certification NIST pour la

plupart des produits. Contactez notre service client pour toute information sur les services de

calibrage disponibles pour ce produit. Un calibrage doit être effectué chaque année pour vérifier

les performances et la précision du mètre. Nous offrons également une assistance technique et un

service à la clientèle. Veuillez vous reporter aux coordonnées fournies ci-dessous.

www.extech.com

Lignes d’assistance: États-Unis (877) 439-8324; international: +1 (603) 324-7800

Service d’assistance technique : Option 3 ; E-mail : [email protected]

Réparations et retours : Option 4 ; E-mail : [email protected]

Les spécifications produit sont sujettes à modifications sans préavis.

Pour les toutes dernières informations, veuillez visiter notre site Web.

www.extech.com

FLIR Commercial Systems, Inc., 9 Townsend West, Nashua, NH 03063 USA

Certifié ISO 9001

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