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Campbell LI200X-LC Instruction Manual

Pyranometer for metdata1
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LI200X-LC PYRANOMETER
FOR
METDATA1
INSTRUCTION MANUAL
4/97
COPYRIGHT (c) 1994-1997 CAMPBELL SCIENTIFIC, INC.

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Summary of Contents for Campbell LI200X-LC

  • Page 1 LI200X-LC PYRANOMETER METDATA1 INSTRUCTION MANUAL 4/97 COPYRIGHT (c) 1994-1997 CAMPBELL SCIENTIFIC, INC.

  • Page 2: Warranty And Assistance

    CAMPBELL SCIENTIFIC, INC. CAMPBELL SCIENTIFIC, INC. will return such products by surface carrier prepaid. This warranty shall not apply to any CAMPBELL SCIENTIFIC, INC. products which have been subjected to modification, misuse, neglect, accidents of nature, or shipping damage.

  • Page 3: Specifications

    Linearity: Maximum deviation of 1% allowing the LI200X to be measured directly by up to 3000 W m Campbell Scientific dataloggers. The LI200X is calibrated against an Eppley Precision Spectral Adjustable, 40.2 to 90.2 Ω, Shunt Resistor: Pyranometer to accurately measure sun plus factory set to give the sky radiation.

  • Page 4: Average Solar Radiation

    LI200X-LC PYRANOMETER FOR METDATA1 3. CONNECTION The LI200X-LC is attached to the MetData1 connector #3. Open the MetData1 internal jumpers #2 and #3 as indicated in Figure 3-1. FIGURE 2-1. 015 Pyranometer Mounting Arm Default CS800 FIGURE 3-1. MetData1 Jumper Configuration 4.
  • Page 5 LI200X-LC PYRANOMETER FOR METDATA1 TABLE 4-1. Multipliers Required for Average Flux and Total Flux Density in Sl and English Units UNITS MULTIPLIER PROCESS Average MJ m t * 0.0002 Total kJ m t * 0.2 Total cal cm 0.2 * (1.4333)

  • Page 6: Total Solar Radiation

    LI200X-LC PYRANOMETER FOR METDATA1 Average (P71) Reps Loc [ W_m2 -Input Locations- 1 W_m2 Proper entries will vary with program. See Table 4-1 for alternative multipliers. − 4.2 TOTAL SOLAR RADIATION 6999 kJ m − − − In Example 2 a daily total flux density is found.
  • Page 7 LI200X-LC PYRANOMETER FOR METDATA1 EXAMPLE 2. Sample Instructions used to Measure a Daily Total Flux Density with a CR10(X)/21X ;{CR10X} *Table 1 Program Execution Interval (seconds) Volt (Diff) (P2) Reps ± 7.5 mV 60 Hz Rejection Range DIFF Channel Loc [ MJ_m2 .002** Mult...

  • Page 8: Maintenance

    Each LI200X has a unique calibration factor. A variable shunt resistor in the cable converts the current to the voltage measured by the datalogger. Campbell Scientific sets the shunt resistor so that the pyranometer outputs 5 mV The resistor value is found using Ohms law.

This manual is also suitable for:

Li200x

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