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DLI - 600: ePAR, Daily Light Integral, and Photoperiod Meter (ePAR, 400 - 750 nm) - MIGROLIGHT
DLI - 600: ePAR, Daily Light Integral, and Photoperiod Meter (ePAR, 400 - 750 nm) - MIGROLIGHT
DLI - 600: ePAR, Daily Light Integral, and Photoperiod Meter (ePAR, 400 - 750 nm) - MIGROLIGHT
DLI - 600: ePAR, Daily Light Integral, and Photoperiod Meter (ePAR, 400 - 750 nm) - MIGROLIGHT
DLI - 600: ePAR, Daily Light Integral, and Photoperiod Meter (ePAR, 400 - 750 nm) - MIGROLIGHT
DLI - 600: ePAR, Daily Light Integral, and Photoperiod Meter (ePAR, 400 - 750 nm) - MIGROLIGHT
DLI - 600: ePAR, Daily Light Integral, and Photoperiod Meter (ePAR, 400 - 750 nm) - MIGROLIGHT

DLI-600: ePAR, Daily Light Integral, and Photoperiod Meter (ePAR, 400-750 nm)

614,35€ EUR
Apogee’s new MS-100 InSight device is a handheld, portable spectroradiometer specifically designed for taking spectral measurements and analyzing grow lights of all kinds

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Description

DLI-600 ePAR METER - New for 2022, the Apogee Instruments' DLI-600 is an elegant, simple-to-use device for spot checking photosynthetically active radiation (PAR) beyond the traditionally 400–700 nm range. The DLI-600 measures the newly defined 400-750 nm ePAR radiation range, which has been shown to have extended photosynthetically active properties. In addition to measuring ePAR, the DLI-600 meter calculates daily light integral (DLI) and photoperiod. DLI refers to the total amount of PAR or ePAR incident on a plane in a 24-hour period, expressed in units of moles per square meter per day (mol m-2 d-1). Photoperiod is the total amount of time in which PAR or ePAR is incident on a plane during a 24-hour period and is expressed in units of hours (h). ePAR, DLI, and photoperiod influence plant growth and development, and they are often measured in greenhouses and growth chambers to aid in light management and decision making. 

APOGEE QUALITY - Our products are developed for use by the Apogee Instruments’ engineering team under the direction of world-renowned crop physiologist, Dr. Bruce Bugbee, and are considered the gold-standard by agricultural professionals and researchers for measuring PAR levels for growing plants. 

ACCURATE, STABLE MEASUREMENTS - Our research-grade sensors are trusted by scientists and serious growers all over the world for their accuracy and stability. Hobby-grade meters are often accurate out of the box, but drift in accuracy quickly. However, Apogee research-grade quantum sensors have an industry-leading accuracy drift rate of less than 2 % per year. All sensors are NIST traceable and are built and calibrated at our headquarters in Logan, Utah, USA.

MEASUREMENT MODES - This rugged, water resistant, and compact meter is perfect for single (spot checking areas) or continuous measurements of PPFD or ePPFD; DLI; and photoperiod. The DLI-600 meter has two different screen modes to display the measurements: stored data and live view data. In the stored data screen, it shows the DLI measurement, photoperiod, and which day the data was collected (up to 99 days ago). The live view data screen displays a running average of ePPFD from the last 2.5 seconds. Measuring and controlling the DLI and the hours of light a plant receives (photoperiod) is critical for optimizing plant health, triggering flowering, and inducing other plant morphology effects. ePPFD, DLI, and photoperiod data can be viewed onscreen or downloaded via USB-C cable for analysis.

RUGGED & READY TO USE - Built tough and rated IP65 to withstand harsh and humid environments, the DLI-600 can be carried around for spot checking, placed directly on any level surface, or mounted by attaching to commonly available camera tripods, clamps, or stakes using the standard ¼-20 threaded port on the bottom. The DLI meters consist of a cast acrylic diffuser (filter), optical filter, photodiode, signal processing circuitry, and an LCD display mounted in an ASA plastic housing. Each DLI package includes the meter, a protective carrying case, two AAA batteries, a quickstart instruction guide, a screwdriver, a soil spike for easy mounting, and a USB-C cable for downloading the meter's stored data as a CSV file to a computer. 

MADE IN THE USA - All meters are designed, built, and calibrated at our headquarters in Logan, Utah, USA. Apogee Instruments has been creating research-grade instruments for scientists and serious growers for over 25 years. All meters are backed by our industry leading four-year warranty and supported by our world-class, US-based customer support team.

Performance

Calibration Uncertainty ± 5 %

Measurement Repeatability Less than 0.5 %

Measurement Range 0 to 4000 µmol mˉ² sˉ¹

Long-term Drift Less than 2 % per year

Field of View 180˚

Spectral Measurement Range (± 5 nm)383 to 757 nm

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

Temperature Response -0.11 ± 0.04 % per C

Response Time2.5 seconds

Measurement Frequency3 minutes

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

Non-linearity Less than 1 % (up to 4000 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 -40 to 70 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)

Mass 67 g

Warranty 4 years against defects in materials and workmanship

Manufactured Assembled in the USA