LI-COR LI-1500 Instruction Manual
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LI-COR LI-1500 Instruction Manual

Light sensor logger
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LI- 1500
Light Sensor Logger
Instruction Manual

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Summary of Contents for LI-COR LI-1500

  • Page 1 LI- 1500 Light Sensor Logger Instruction Manual...
  • Page 3 LI-1500 Light Sensor Logger Instruction Manual LI-COR Biosciences 4647 Superior Street Lincoln, Nebraska 68504 Phone: +1-402-467-3576 Toll free: 800-447-3576 (U.S. and Canada) envsales@licor.com Regional Offices LI-COR Biosciences GmbH Siemensstraße 25A 61352 Bad Homburg Germany Phone: +49 (0) 6172 17 17 771 envsales-gmbh@licor.com...
  • Page 4 LI-COR MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THE THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. LI-COR shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.
  • Page 5 Printing History Publication Number: 984-14406 New editions of this manual will include all updates. An update addendum may be used between editions to provide up- to-date information. Revisions are indicated by the revision number. Minor updates, which do not alter the meaning of the content, will be incorporated without affecting the revision number.
  • Page 6 CE Marking: This product is a CE-marked product. For conformity information, contact LI-COR Support at envsupport@licor.com. Outside of the U.S., contact your local sales office or distributor. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

  • Page 7: Table Of Contents

    Contents Section 1. Introduction to the LI-1500 What's what Powering the LI-1500 Install batteries Low battery indicator AC power Cable connections Data cable connection Light sensor input ports Memory Precautions Maintenance Section 2. The basics Powering On and Off Keypad...
  • Page 8 Standard modes Raw mode Sampling rate and measurement range Selecting a measurement range Adding an output Configuring a math output Enabling averaging 3-10 Averaging window and min/max 3-10 Sampling rate and averaging 3-11 Measuring underwater attenuation 3-12 Underwater attenuation theory 3-12 50/60 noise filter 3-13...
  • Page 9 Appendix A. Specifications Appendix B. Warranty Appendix C. Index...
  • Page 10 viii...

  • Page 11: Section 1. Introduction To The Li-1500

    Section 1. Introduction to the LI-1500 The LI-1500 Light Sensor Logger is a 3-sensor logger that can also function as a handheld meter for dis- playing real-time data. Three BNC input ports accept LI-COR terrestrial and underwater light sensors. With...

  • Page 12: What's What

    Section 1. Introduction to the LI-1500 What's what If you just received your LI-1500 Light Sensor Logger, check the packaging list to verify that you received everything that was ordered. Each LI-1500 should include the following items: Table 1-1. LI-1500 parts list.

  • Page 13: Low Battery Indicator

    AC power The LI-1500 can be powered with AC (mains) power. Plug the AC to DC power supply adapter into a wall outlet supplying AC power. Plug the USB cable into the adapter. Plug the other end of the USB cable into the Mini USB port at the top end of the LI-1500.

  • Page 14: Cable Connections

    Section 1. Introduction to the LI-1500 Cable connections The mini USB port at the top end of the LI-1500 serves as the data transfer and power connection. Data cable connection The LI-1500 communicates with a computer through a USB cable connected to a mini USB port.

  • Page 15: Precautions

    The LI-1500 is weather resistant, but the following environmental limitations should be observed: If the LI-1500 is to be left outdoors and unattended for long periods of time, it should be installed in a protective enclosure or sheltered location. Install the protective plug in the USB port when the port is not in use.
  • Page 16 Section 1. Introduction to the LI-1500 LI-1500 Light Sensor Logger...

  • Page 17: Section 2. The Basics

    Section 2. The basics This section describes how to use the LI-1500 Light Sensor Logger keyboard, nav- igate the user interface, and change console settings. Powering Press the power ON/OFF key to turn on the LI-1500. You will see one of these messages: New Config File: Start at step 2 under Creating a configuration on page 3-3.
  • Page 18 Some fields can only accept numeric or alphabetic characters. The right arrow key is used to enter spaces and the left arrow key functions as a backspace key in alphanumeric fields. LI-1500 Light Sensor Logger...

  • Page 19: Adjusting Display Brightness

    Section 2. The basics Adjusting display brightness The LI-1500 display is a 128 x 64 LCD graphics display. It displays alphanumeric characters. To adjust the display contrast, hold the minus(-) key and press the up or down arrow keys. Monitor mode navigation...

  • Page 20: Menu Navigation

    Scroll up and down to high- light a menu option. Press select the highlighted menu option. Press after entering file names or Figure 2-2. Main Menu screen. other data. Press to go back to the previous screen. EXIT LI-1500 Light Sensor Logger...

  • Page 21: Console Settings

    UTC in hours. For example: Chicago, IL = -6 hours from UTC during standard time or -5 hours from UTC during daylight saving time. Auto-off timer The Auto Off timer turns the LI-1500 off after a pre-set period of time in which no keys are pressed. Select MENU >...

  • Page 22: Global Positioning System (Gps)

    Plot 2—all during the same logging session. GPS fix quality The LI-1500 reports two variables (visible on the "gNSATS:" line in Monitor Mode) indicating the quality of a satellite fix. The first variable is the number of satellites visible to the instrument.

  • Page 23: Gps Variables

    Section 2. The basics satellites in the sky. The lower the number, the better the configuration and the bet- ter the fix quality. If all satellites are grouped close together, the triangulation gets worse, and HDOP goes up. An HDOP under 2 is very good. If HDOP is above 5, the GPS may not be seeing enough satellites in the right configuration for a good fix.
  • Page 24 Section 2. The basics LI-1500 Light Sensor Logger...

  • Page 25: Section 3. Configuring The Li-1500

    Section 3. Configuring the LI-1500 This section describes how to configure the LI-1500 to display and log data from LI-COR light sensors. Creating a basic logging configuration When powered on for the first time (or any time there is no configuration file), the instrument will prompt you to create a configuration.
  • Page 26 Section 3. Configuring the LI-1500 Select and press to set the sampling rate. See Changing the Samp Rate: sampling rate on page 3-5 for details.  Set to unless a different range is needed. See Selecting a measurement Range: Auto range on page 3-7 for details.

  • Page 27: Adding A Sensor

    The LI-1500 Light Sensor Logger is compatible with LI-COR Light Sensors having BNC terminations. Calibration data must be entered for each light sensor. Data for up to 100 sensors can be stored in the memory of the LI-1500. Select and select the model number of your LI-COR MENU >...

  • Page 28: Changing The Logging Routine

    Section 3. Configuring the LI-1500 For terrestrial sensors, highlight your sensor's serial number, then . If your sensor is not OK > Exit on the list, select and see Adding a sensor on the previous page. Add New Sensor For underwater sensors, select , then press .

  • Page 29: Changing The Sampling Rate

    Section 3. Configuring the LI-1500 —then set a logging rate, start time/date, stop time/date, and press One Time . Logs automatically during a single set time period. EXIT The appropriate configuration must be active and a logging file open for a routine to be carried out (Logging data on page 4-1).

  • Page 30: Raw Mode

    Section 3. Configuring the LI-1500 Raw mode Sampling rates: 1–500 Hz in whole number increments. Raw Mode sampling permits the user to choose any whole number from 1 through 500 Hz as the sampling rate. Raw Mode sampling is useful for logging rapid changes such as the flicker rate of fluorescent, iridescent, incandescent, and LED light bulbs.

  • Page 31: Sampling Rate And Measurement Range

    Sampling rate and measurement range With Standard Modes sampling and a total sampling rate across all three input ports set to 3 Hz or less, the LI-1500 chooses a measurement range automatically based on light levels detected (autoranging). For example, when using one input port the sampling rate needs to be ≤...

  • Page 32: Adding An Output

    An output takes data from light sensors, battery voltage, GPS, prompt entries, or another output and creates a separate data set that can be viewed in monitor mode or logged. The LI-1500 will support up to six Light outputs, 15 Math outputs, and three Prompt outputs in each configuration.

  • Page 33: Configuring A Math Output

    Section 3. Configuring the LI-1500 Select and select a configuration from the list. MENU > Configurations Select . Select an output type: Outputs > Add New Output Enter a name for the output. Select . Select , or as the...

  • Page 34: Enabling Averaging

    Section 3. Configuring the LI-1500 Attenuation—Select Param A and select a Light output from the list. Select Param B and select another Light output from the list. Select Separation and enter the separation distance – the distance between the two underwater light sensors (see Measuring underwater atten- uation on page 3-12).

  • Page 35: Sampling Rate And Averaging

    Section 3. Configuring the LI-1500 Table 3-2. Averaging windows by sampling rate. Sampling Rate Averaging Windows Available 1 per hour No averaging 1 per minute No averaging 1 per 10 seconds (10 15 sec, 30 sec, 60 sec, 100 sec, 5 min, 15 min, 30 min, 1 hr, 2...

  • Page 36: Measuring Underwater Attenuation

    For separation distance, use the vertical distance between the two sensors in meters. The Math output reports the vertical attenuation coefficient in m Note: The LI-COR 2009S Lowering Frame can hold only one LI-192 sensor for measuring downwelling radiation. Underwater attenuation theory...

  • Page 37: 50/60 Noise Filter

    Section 3. Configuring the LI-1500 50/60 noise filter When enabled, the 50/60 Hz noise filter will filter out undesirable signals from external devices with a frequency of 50 or 60 Hz (cycles per second). In the United States, most electrical devices cycle at 60 Hz, while the mains frequency in Europe and other 230 volt areas is 50 Hz.
  • Page 38 Section 3. Configuring the LI-1500 3-14 LI-1500 Light Sensor Logger...

  • Page 39: Section 4. Logging And Viewing Data

    Section 4. Logging and viewing data This section describes how to log light or GPS data with the LI-1500 Light Sensor Logger and how to view logged data on the console or on a computer. This section also describes how to view real-time data in Monitor Mode.

  • Page 40: Prompts And Remarks

    START | STOP Important: Leave the power on and the logging file open until the logging routine is finished. The LI-1500 will not turn itself on for Daily or One Time routines. Prompts and remarks You will be given the option to enter a remark each time you open a logging file.

  • Page 41: Prompt On Log

    Prompt on Log without changing the configuration. It also allows both "in air" and "in water" measurements at the same time with two or three underwater sensors attached to the LI-1500. With enabled, you will be asked to choose between the...

  • Page 42: Viewing And Downloading Logged Data

    GPS data (if enabled). On a computer You can transfer data files to a computer over the USB connection. Connect the LI-1500 to your computer with the USB cable. It will appear as a mass storage drive named LI-1500...

  • Page 43: Raw Mode Data

    Raw Mode Data Data logged with Raw Mode sampling can be viewed with a spreadsheet (as described above) or with LI-COR's FV7x00 software for Windows. This software was designed for high speed gas analyzers, but also works well for graphing large data sets taken at high sampling rates with the LI-1500.

  • Page 44: Viewing Real-Time Data

    Figure 4-5. Viewing Raw Mode data with the Fv7x00 software. Viewing real-time data In Monitor Mode (Monitor mode nav- igation on page 2-3), the LI-1500 can be used as a handheld meter for viewing real-time light level data. If the Global...

  • Page 45: Section 5. Troubleshooting

    Instrument will not turn off The LI-1500 will not power off if a data file is open or if it is reading data from the internal memory. Wait a few moments for the data transfer to finish and close any open data files, then try again.

  • Page 46: Sensor Readings Are Absent Or Incorrect

    Check to see if the proper calibration multiplier is entered into the LI-1500. See Adding a sensor on page 3-3.

  • Page 47: Data Are Not Logged Correctly

    3 to put it back in place. If there is a gap between the SD card and the case, then the SD card is not out of place. In that case, contact LI-COR technical support for assistance. Data are not logged correctly...
  • Page 48 Reinstall the main PC board by replacing the six screws. There should now be a small gap between the SD card and the side of the case. To help prevent the SD card from coming loose LI-1500 Light Sensor Logger...
  • Page 49 Reinstall the four AA batteries and the battery cover. If you continue to have difficulty transferring data or reading to memory, please call LI-COR technical support or email envsupport@licor.com for assistance. Unable to read data or transfer data to a computer...
  • Page 50 Section 5. Troubleshooting LI-1500 Light Sensor Logger...

  • Page 51: Section 6. Maintenance

    (something like ) to a directory on your computer. Next v1_2_0.img follow these steps: Connect the LI-1500 to your computer with the USB cable. It will appear as a mass storage drive named LI-1500 Copy the new firmware file to the root directory.

  • Page 52: Replacing The Internal Lithium Battery

    Gently tighten the four screws that hold the two halves of the case together. Be very careful not to over tighten the screws, as they may strip the plastic. If a torque screwdriver is available, torque the screws to 4 in.-lbs. (0.5 newton meters). LI-1500 Light Sensor Logger...
  • Page 53 Appendix A. Specifications Current Inputs: 3 BNC connectors (used to connect LI-COR sensors) Output Channels: Light, GPS (optional), Prompt, Battery Voltage Math Channels: 8 math channels (addition, subtraction, multiplication, divi- sion, natural logarithm, integration, daily integration, attenuation) Input Channel Frequency Rejection: >70dB at 50 or 60 Hz (1 input channel @ sampling rates of 1, 2, 5, 10, 20 Hz) Input Channel Current Accuracy: ±0.3% of full scale reading @25 °C...
  • Page 54 3 hr, 6 hr, 12 hr, 24 hr Raw Mode Sampling: Every sample (1–500 Hz) Averaging (Standard Modes Sampling): Averaging windows depend on sampling rate Sampling Rate Averaging Windows Available 1 per Hour none 1 per Minute none LI-1500 Light Sensor Logger...
  • Page 55 Appendix A. Specifications Sampling Rate Averaging Windows Available 1 per 10 seconds (0.1 15 sec, 30 sec, 60 sec, 100 sec, 5 min, 15 min, 30 min, 1 hr, 2 hr, 3 hr 1 Hz 5 sec, 10 sec, 15 sec, 30 sec, 60 sec, 100 sec, 5 min, 15 min 2 Hz 1 sec, 5 sec, 10 sec, 15 sec, 30 sec, 60 sec, 100 sec, 5 min 5 Hz...
  • Page 56 Appendix A. Specifications LI-1500 Light Sensor Logger...
  • Page 57 Inc.'s examination discloses to have been defective in material or workmanship without charge and only under the following conditions, which are: The defects are called to the attention of LI-COR, Inc. in Lincoln, Nebraska, in writing within one year after the shipping date of the instrument.
  • Page 58 The foregoing constitutes LI-COR, Inc.'s sole obligation and liability with respect to damages resulting from the use or performance of the instrument and in no event shall LI-COR, Inc. or its representatives be liable for damages beyond the price paid for the instrument, or for direct, incidental or con- sequential damages.
  • Page 59 Appendix C. Index Console Settings, 2-5 AC Power, 1-3 Add a Sensor, 3-3 Daily Integral, 3-9 Addition, 3-9 Data Adjust Display Brightness, 2-3 viewing logged data, 4-4 Attenuation, 3-9, 3-12 viewing real-time data, 4-6 theory, 3-12 Data Cable Connection, 1-4 Auto-Off Timer, 2-5 Data Storage Capacity, A-3 Averaging, 3-10...
  • Page 60 Operations, 3-9 theory, 3-12 Outdoor Use, 1-5 Underwater Sensors, 3-3, 4-2 Output Channels, 3-8 USB Port, 1-4 Outputs, 3-8 User Interface, 2-1 battery, 3-9 GPS, 3-9 light, 3-9 Vertical Attenuation, 3-12 math, 3-9 theory, 3-12 prompt, 3-9 LI-1500 Light Sensor Logger...
  • Page 61 Appendix C. Index Viewing Logged Data, 4-4 Viewing Real-time Data, 4-6 Appendix C. Index...
  • Page 62 Appendix C. Index LI-1500 Light Sensor Logger...
  • Page 64 Regional Offices LI-COR Biosciences GmbH Siemensstraße 25A 61352 Bad Homburg Germany Phone: +49 (0) 6172 17 17 771 envsales-gmbh@licor.com LI-COR Biosciences UK Ltd. St. John’s Innovation Centre Cowley Road Cambridge CB4 0WS United Kingdom Phone: +44 (0) 1223 422102 envsales-UK@licor.com LI-COR Distributor Network: www.licor.com/env/distributors...

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