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Omega HHLM112SD User Manual

Light meter with data logging sd card.
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User' s Guide
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Light Meter with
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   Summary of Contents for Omega HHLM112SD

  • Page 1

    ® User’ s Guide Shop online at ® e-mail: For latest product manuals: MADE IN TAIWAN HHLM112SD Light Meter with Data Logging SD Card...

  • Page 2

    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 accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Introduction ....... . . 3 Key Features ....... . 4 Operating Instructions .

  • Page 4: Introduction

    USB card reader. The HHLM112SD has a backlit 2-1/2 in. diagonal display and is powered by six “AA” Alkaline batteries or an optional 9-VDC AC adapter.

  • Page 5: Key Features

    Figure 1 shows all of the controls and indicators on the front, back, top, bottom and right side of the HHLM112SD. It also shows (at right) the main components of the supplied light probe. Familiarize yourself with their positions and...

  • Page 6

    1-17 Light probe plug 1-8 Socket for Type-K or -J thermocouple temperature probe 1-18 Light sensor housing 1-9 SD card socket 1-19 Light sensor 1-10 RS232 output jack 1-20 Light sensor cap 1. The HHLM112SD’s controls and indicators and other physical features...

  • Page 7: Setup

    SETUP 1. Choose the power source. Before using the HHLM112SD, be sure it is powered by fresh batteries or an optional 9VDC AC adapter plugged into the bottom jack on its right side (callout 1-12). To remove the battery compartment cover, remove the two screws holding it in place (callout 1-14).

  • Page 8

    4. Choose a decimal point or comma to represent the decimal division between integers and fractions (for example, American-style 20.88 vs. European-style 20,88). Once you have finished setting the time, the display will show the word “bASIC” above the phrase “dEC”. Press the SET button to make “bASIC”...

  • Page 9: Normal Operation

    Type K or Type J thermocouple into the socket (callout 1-8) on the top of the HHLM112SD. The display will read out the sensed temperature in degrees F or C, depending on the setting chosen during...

  • Page 10: Holding And Storing Measurements

    AUTOMATIC VS. MANUAL DATALOGGING The HHLM112SD can automatically log data using any of 11 sampling times from 1 second to 1 hour. To view the sampling time for which the instrument was set up, press the LOGGER button once.

  • Page 11: Transferring Data From The Sd Card To A Computer

    SD CARD TO A COMPUTER After automatic or manual datalogging of measurements, remove the SD card from the HHLM112SD and plug it into your computer either directly (if it has an SD card slot) or through an SD card reader.

  • Page 12

    Fig. 2. Typical Excel data-only screen Fig. 3. Typical Excel graphics-only screen...

  • Page 13: Specifications

    SPECIFICATIONS Embedded microcontroller Custom one-chip LSI device Display type Liquid-crystal with green backlight Display size 2.05 x 1.5 in. (52 x 38 mm) Full-scale ranges 0 to 1,999 lux; 1,800 to 19,990 lux; (automatically switched) 18,000 to 99,900 lux (0 to 186 ft-cd; 167 to 1,860 ft-cd; 1,670 to 9,290.7 ft-cd) Measurement accuracy ±...

  • Page 14: Maintenance & Troubleshooting Tips

    MAINTENANCE & TROUBLESHOOTING TIPS Keep the light probe clean and its sensor under the protective cap when not in use. When the icon appears in the left corner of the display, it’s time to replace the six “AA” batteries that power the instrument (although measurements will remain valid for several hours after the low-battery indicator first appears).

  • Page 15

    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. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improp- er repair, or unauthorized modification.

  • Page 16

    Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at TEMPERATURE DATA ACQUISITION Thermocouple, RTD & Thermistor Data Acquisition & Engineering Probes, Connectors, Panels & Software Assemblies Communications-Based Acquisition Wire: Thermocouple, RTD &...

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