Omega HHLM-1MV User's Manual
Contents
1. RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have the following FOR NON WARRANTY REPAIRS consult OMEGA for information available BEFORE contacting OMEGA current repair charges Have the following information 1 P O number under which the product was available BEFORE contacting OMEGA PURCHASED 1 P O number to cover the COST of the repair 2 Model and serial number of the product under 2 Model and serial number of product and warranty and 3 Repair instructions and or specific problems relative 3 Repair instructions and or specific problems relative to the product to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 1999 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable from in whole or in part without prior written consent of OMEGA ENGINEERING INC Where Do I Find Everything I Need for Proc ess Mea2. OMEGA HHLM 1MV Light Transducer omega com J EOMEGA OMEGAnet On Line Service Internet e mail http www omega com info omega com Servicing North America For immediate technical or application assistance USA ISO 9001 Certified Canada USA and Canada Mexico and Latin America One Omega Drive Box 4047 976 Bergar Sales Service 1 800 826 6342 1 800 TC OMEGA Tel 95 800 TC OMEGA Stamford CT 06907 0047 Laval Quebec H7L5A1 Customer Service 1 800 622 2378 1 800 622 BEST FAX 95 203 359 7807 Tel 203 359 1660 Tel 514 856 6928 Engineering Service 1 800 872 9436 1 800 USA WHEN En Espa ol 203 359 7803 FAX 203 359 7700 FAX 514 856 6886 TELEX 996404 EASYLINK 62968934 CABLE OMEGA e mail espanol omega com e mail info omega com e mail info omega com Servicing Europe Benelux France United Kingdom ISO 9002 Certified Postbus 8034 1180 LA Amstelveen 9 rue Denis Papin 78190 Trappes One Omega Drive The Netherlands Tel 33 130 621 400 FAX 33 130 699 120 Riverbend Technology Centre Northbank Irlam Tel 31 20 6418405 FAX 31 20 6434643 Toll Free in France 0800 4 06342 Manchester M44 SEX England Toll Free in Benelux 06 0993344 e mail france omega com Tel 44 161 777 6611 FAX 44 161 777 6622 e mail nl omega com Germany Austria Toll Free in England 0800 488 488 Czech Republic Daimlerstrasse 26 D 75392 e mail sales omega com uk ul Rude armady 1868 733 01 Karvin
3. a Deckenpfronn Germany Hranice Czech Repubic Tel 49 07056 3017 FAX 49 07056 8540 Tel 420 69 6311627 FAX 420 69 Toll Free in Germany 0800 82 66342 6311114 e mail germany omega com e mail czech omega com INTRODUCTION This instrument is a portable easy use compact sized light transducer designed for simple one hand operation Provides lux unit measurements SAFETY INFORMATION It is recommended that you read the safety and operation instructions before using the lightmeter WARNING To avoid electric shock do not operate this product in wet or damp conditions To avoid injury or fire hazard do not operate this product in an explosive atmosphere To avoid eye injury wear eye protection if there is a possibility of exposure to high intensity rays Do not immerse in liquids clean the sensor head using only a damp cloth e Cover sensor head when notin use to extend silicon photodiode sensor life The A symbol on the instrument indicates that the operator must refer to an explanation in this manual 1 SPECIFICATIONS GENERAL Low battery indication the Red LED is displayed when the battery voltage drops below the operating level Operating Environment 0 C to 50 C at lt 70 relative humidity Storage Temperature 20 C to 60 C 0 to 80 R H with battery removed from meter Accuracy Stated accuracy at 23 C 5 C lt 70 relative humidity Battery 4 pcs 1 5V AAA size Battery Life 200 hou
4. e unit should malfunction it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge However this WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of being damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear or which are damaged by misuse are not warranted This includes contact points fuses and triacs OMEGA is glad to offer suggestions on the of use of its various products Nevertheless OMEGA only warrants that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability i
5. he sensor head steady and make certain that the light source completely fills the cosine correction dome Move away from the sensor head to avoid shadowing it The sensor head has a 1 5 meter cable to allow separation between the observer and the measure ment location DMM reading multiplies light transducer illuminance value If magnitude of lux is not known press light transducer RANGE button to the highest range and reduce until a satisfactory reading is obtained Cover sensor head to extend sensor life SPECIAL CONSIDERATIONS Keep the plastic domed cosine corrector clean and free of scratches It may be cleaned with a soft cloth and isopropyl alcohol When light is received from many directions simultaneously take special care to avoid reflections or shadowing the sensor with your body For best accuracy repeat the measurement several times to ensure that the light source has remained stable Avoid flexing the cable excessively at either end of the cable The Inverse square Law The law stating that the illuminance E at a point on a surface varies directly with the intensity of a point source and inversely as the square of the distance d between the source and the point If the surface at the point is normal to the direction of the incident light the law is expressed by E I d Cosine Law The law that the illuminance on any surface varies as the cosine of the angle of incidence The angle of incidence gis the angle between the n
6. ormal to the surface and the direction of the incident light The inverse square low and the cosine law can be combined as E I cos q d 6 Cleaning Periodically wipe the case with a damp cloth and detergent do not use abrasives or solvents CIE Photopic Curve Sai 5 Gro ma O 2 GREEN S L so 546 4 S gt uv IR a O so 409 8 E gt a j Y z E 40 273 20 i E BLUE RED 3 3 2 136 05 E 5 5 380 420 460 500 540 580 60 660 7o m Wavelength in Nanometers 1v0 0 092 0z8 0 0S 7A Ove DC 0 082 910 02 EL 01 EIS 002 69 S 069 OLE 089 Ble 029 viy 099 07A 099 O 6LL 0r9 OSL DER 009z D DCFG O19 00er 009 O 9LS 06S O 6S 089 0 6r9 OLS 0 629 099 0 89 SSS 0 629 oss 0 099 0rs 0 889 DES D F t D D RE OLS 0 0 2 DOG Oerl 067 EK 08r Leg Dir 607 09r DG Dt DCH Dt L Oey ele D r 280 Oly 470 00r ELO 06 S00 ose Joye UOISISAu0O9 wu wejyuewn snoulwny ybuajaney 9idoloud 9idoloud J10 IA WARRANTY mwswaAsWva OMEGA warrants this unit to be free of defects in materials and workmanship and to give satisfactory service for a period of 13 months from date of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If th
7. rs typical Dimensions 170mm H x 44mm W x 40mm D Weight 200g including batteries ELECTRICAL Photometric Formulas 10 764 footcandles lux lumens meter 0 0929 lux footcandles lumens foot Rangescale DMM to 200 0mV range 10 20lux x1 200lux x10 2000lux x100 20000lux x1000 200000lux Resolution 0 01lux Spectral response CIE photopic The CIE photopic curve is an international standard for the color response of the average human eye Acceptance angle k lt 2 cosine corrected 150 Total accuracy for CIE standard illuminant A 2856K 3 rdg 10dgts CIE standard illuminant A can be realised by means of CIE standard source A which is defined as A gas filled tungsten filament lamp operating at a correlated colour temperature of 2856K Temperature Coefficient 0 1x specified accuracy C lt 18 C or gt 28 C OPERATING INSTRUCTIONS Push buttons Range Select Button Press RANGE button to select the desired lux range Each time you press RANGE button the range and the input range annunciator incremants and a new value is displayed OPERATION Plug the light transducer test leads into the Vdc input jack and common or ground input jack on the DMM Observe polarity Set the DMM to the 200mV range only Set the light transducer power switch to the desired range use range button select 20lux 200lux 2000lux 20000lux or only 200000lux range Remove the sensor head cover Hold t
8. s based In no event shall OMEGA be liable for consequential incidental or special damages Every precaution for accuracy has been taken in the preparation of this manual however OMEGA ENGINEERING INC neither assumes responsibility for any omissions or errors that may appear nor assumes liability for any damages that result from the use of the products in accordance with the information contained in the manual SPECIAL CONDITION Should this equipment be used in or with any nuclear installation or activity purchaser will indemnity OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the equipment in such a manner It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for patient connected application es RETURN REQUESTS INQUIRIES wwwrwFys Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED
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