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M&J UA-002-64 HOBO Pendant Temperature/Light 64K Data Logger Quick view

Reference: UA-002-64

Brand: ONSET

UA-002-64 HOBO Pendant Temperature/Light 64K Data Logger

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A miniature, value-priced, waterproof data logger for temperature and light monitoring applications; stores 52K measurements.  IMPORTANT INFORMATION Requires HOBOware software and either an Optic USB Base Station or a HOBO Waterproof Shuttle (U-DTW-1). HOBOware Pro is required when using the HOBO Waterproof Shuttle. See compatible items below.
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DLI-400 Daily Light Integral and Photoperiod Meter M&J
  • DLI-400 Daily Light Integral and Photoperiod Meter M&J
  • DLI-400 Daily Light Integral and Photoperiod Meter M&J
  • DLI-400 Daily Light Integral and Photoperiod Meter M&J
  • DLI-400 Daily Light Integral and Photoperiod Meter M&J
  • DLI-400 Daily Light Integral and Photoperiod Meter M&J

DLI-400 Daily Light Integral and Photoperiod Meter (Sunlight Only)

DLI-400

The DLI meter calculates the daily light integral (DLI) and photoperiod. DLI refers to the total number of PAR or ePAR incidents on a plane in a 24-hour period, expressed in units of moles per square meter per day (mol m-2 d-1).

Description

Both the DLI and the photoperiod influence the growth and development of plants, and are
It is often measured in greenhouses and growth chambers to aid in light management and decision making.
Apogee Instruments DLI meters consist of a cast acrylic diffuser (filter), optical filter, photodiode, and signal processing.
circuitry and an LCD display mounted in an ASA plastic case. DLI meters are designed for single or continuous operation.
PPFD or ePPFD measurements; DLI; and photoperiod. The DLI meter uses a USB-C cable (included with the
meter) to download the data stored as a CSV file to a computer.

SPECIFICATIONS

Calibration Uncertainty: ± 5 %

Measurement Repeatability: Less than 0.5 % Display Range: 0 to 4000 µmol mˉ² sˉ¹

Long-term Drift: Less than 2 % per year Field of View: 180˚

Spectral Measurement Range: (± 5 nm)370 to 650 nm (sunlight only)

Directional (Cosine) Response: ± 5 % at 75˚ zenith angle

Temperature Response: -0.04 % per C

Response Time: 2.5 seconds

Measurement Frequency: 3 minutes

Data Log Capacity: 99 days (DLI & Photoperiod), 10 days (30 min PPFD/ePPFD averages)

Non-linearity: Less than 1 % (up to 2500 µmol mˉ² sˉ¹)

Stored Data Resolution (PPFD): 0.1 µmol mˉ² sˉ¹ (when ≥ 1000, the screen will not display the decimal)

Stored Data Resolution (DLI): 0.1 mol mˉ² dayˉ¹

Stored Data Resolution (Photoperiod): 0.1 hours

Connectivity: CSV file via USB-C data transfer

ADC Resolution: 24 bits

Operating Environment: -10 to 60 C; 0 to 100 % relative humidity

Ingress Protection: IP65

Mounting Compatibility: Brass 1/4-20 threaded mount

Battery Life: Approximately 6 months

Dimensions:1.91 W x 2.31 H x 0.93 D (inches)Mass67 g

Warranty: 4 years against defects in materials and workmanship

Manufactured: Assembled in the USA

Product Details
DLI-400
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