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Light Meter
LI-250A
모델명 LI-250A
제조사 LI-COR
원산지 미국
분류명 광량계

LI-250A Specifications


  • Accuracy:
    • 25 °C : Typically ± 0.4% of reading ± 3 counts on the least significant digit displayed (all ranges).
    • 0 - 55 °C : Typically ± 0.6% of reading ± 3 counts on the least significant digit displayed (all ranges).
  • Range Selection : Autoranging (3 ranges).
  • Linearity : ± 0.05%.
  • Sensors : Designed for type "SA" sensors; type "SB" and "SL" sensors with BNC connectors are also compatible when calconnector or millivolt adapter are removed.
  • Sensor Calibration : Each sensor is supplied with a calibration multiplier. Calibration multipliers for two sensors can be stored in memory. Calibration multipliers are entered from the keypad.
  • Signal Averaging : Sensor output can be collected and displayed as a 15-second average (approximately 60 readings). Averages are retained on the display in HOLD mode.
  • Display : 4 1/2 digit LCD display. Updated every 0.5 seconds in Instantaneous mode.
  • Battery Life : 150 hours typical with continuous operation.
  • Power Requirement : One 9V Alkaline battery.
  • Operating Conditions : 0 to 55 °C, 0 to 95% RH (non-condensing).
  • Storage Conditions : -55 to 60 °C, 0 to 95% RH (non-condensing).
  • Size : 14 cm L × 7.7 cm W × 3.8 cm D (5.5" × 3" x1.5").
  • Weight : 0.26 kg (0.57 lbs).
  • Warranty : 1 year parts and labor.
  • LI-250A Range and Resolution
    SensorRangeResolution

    Quantum

    0-199 µmol s-1 m-2
    0-1999
    0-19999
    0.01 µmol s-1 m-2
    0.1
    1

    Pyranometer

    0-19 W m-2
    0-199
    0-1999
    0.001 W m-2
    0.01
    0.1

    Photometric

    0-1999 lux
    0-19999 lux
    0-199 lux
    0.1 lux
    1
    0.01 lux


  • Ordering Information

    LI-250A Light Meter

    Includes one BNC connector for direct connection of "SA" version light sensor.

    Displays data on easy-to-read screen. Press HOLD to pause the readings, or AVERAGE for a 10-second average.

    Does not store data. Includes battery and instruction manual.

    Optional Accessories

    Part #Product Description
    LI-190R-BNC-2Quantum sensor with microamp output, 2m cable with BNC connector
    LI-190R-BNC-5Quantum sensor with microamp output, 5m cable with BNC connector
    LI-190R-BNC-15Quantum sensor with microamp output, 15m cable with BNC connector
    LI-190R-BNC-50Quantum sensor with microamp output, 50m cable with BNC connector
    LI-200R-BNC-2Pyranometer with microamp output, 2m cable with BNC connector
    LI-200R-BNC-5Pyranometer with microamp output, 5m cable with BNC connector
    LI-200R-BNC-15Pyranometer with microamp output, 15m cable with BNC connector
    LI-200R-BNC-50Pyranometer with microamp output, 50m cable with BNC connector
    LI-210R-BNC-2Photometric sensor with microamp output, 2m cable with BNC connector
    LI-210R-BNC-5Photometric sensor with microamp output, 5m cable with BNC connector
    LI-210R-BNC-15Photometric sensor with microamp output, 15m cable with BNC connector
    LI-210R-BNC-50Photometric sensor with microamp output, 50m cable with BNC connector
    2003SMounting & leveling fixture for LI-COR terrestrial light sensors
    LI-191R-BNC-2Line Quantum sensor with microamp output, 2m cable with BNC connector
    LI-191R-BNC-5Line Quantum sensor with microamp output, 5m cable with BNC connector
    LI-192SALI-192 underwater PAR sensor with microamp output, requires underwater cable
    LI-193SALI-193 underwater spherical PAR sensor with microamp output, requires underwater cable
    2222UWB-3Underwater cable, 3m
    2222UWB-10Underwater cable, 10m
    2222UWB-30Underwater cable, 30m
    2222UWB-50Underwater cable, 50m
    2222UWB-100Underwater cable, 100m
    2009SLowering frame for LI-COR underwater PAR sensors
    250-01Carrying case


    파일명 확장자 다운로드
     Light Sensor[Brochure].pdf (15MB)


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