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Omega HHLM-1MV manual

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Table of contents for the manual

  • Page 1

    OMEGA HHLM-1MV Light T ransducer[...]

  • Page 2

    OMEGAnet SM On-Line Service http://www.omega.com Internet e-mail info@omega.com For immediate technical or application assistance: USA and Canada: Mexico and Latin America: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA SM Tel: (95) 800-TC-OMEGA SM Customer Service: 1-800-622-2378 / 1-800-622-BEST SM FAX: (95) 203-359-7807 Engineering Service: 1-80[...]

  • Page 3

    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 d[...]

  • Page 4

    2 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 < 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, <70% r[...]

  • Page 5

    3 ELECTRICAL Photometric Formulas: 10.764·footcandles=lux (lumens/meter 2 ) 0.0929·lux=footcandles (lumens/foot 2 ) Rangescale: DMM to 200.0mV range ¸ 10(20lux), x1(200lux) x10(2000lux), x100(20000lux) x1000(200000lux) Resolution: 0.01lux Spectral response: CIE photopic Acceptance angle: ¦ ¢ 2 <2% cosine corrected (150°) Total accuracy for[...]

  • Page 6

    4 Temperature Coefficient: 0.1x (specified accuracy)/°C (<18°C or >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. CIE standard ill[...]

  • Page 7

    5 OPERATION 1. Plug the light transducer test leads into the Vdc input jack and common or ground input jack on the DMM. Observe polarity. 2. Set the DMM to the 200mV range only. 3. Set the light transducer power switch to the desired range (use range button select 20lux, 200lux, 2000lux, 20000lux) or only 200000lux range. 4. Remove the sensor head [...]

  • Page 8

    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 severa[...]

  • Page 9

    7 Cleaning Periodically wipe the case with a damp cloth and detergent, do not use abrasives or solvents. CIE Photopic Curve Luminous Efficiency Coefficient Lumen/Watt Conversion Factor Wavelength in Nanometers[...]

  • Page 10

    8 V l CIE Photopic Photopic Wavelength Luminous Lumen/Watt (nm) Effciency Conversion Coefficient Factor 380 0.0000 0.05 390 0.0001 0.13 400 0.0004 0.27 410 0.0012 0.82 420 0.0040 2.73 430 0.0116 7.91 440 0.0230 15.7 450 0.0380 25.9 460 0.0600 40.9 470 0.0910 62.1 480 0.1390 94.8 490 0.2080 142.0 500 0.3230 220.0 510 0.5030 343.0 520 0.7100 484.0 53[...]

  • Page 11

    WARRANTY OMEGA warrants this unit to be free of def ects in materials and workmanship and to give satisfactory ser vice for a period of 13 months from date of purchase. OMEGA W arranty adds an additional one (1) month g race period to the normal one (1) year product warranty to cov er handling and shipping time . This ensures that OMEGA's cust[...]

  • Page 12

    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 b ut OM[...]

  • Page 13

    Where Do I Find Everything I Need for Process Measurement and Control? OMEGA...Of Course! HEATERS þ Heating Cable þ Cartridge & Strip Heaters þ Immersion & Band Heaters þ Flexible Heaters þ Laboratory Heaters PRESSURE/STRAIN AND FORCE þ Transducers & Strain Gauges þ Load Cells & Pressure Gauges þ Displacement Transducers þ [...]