DAQ-E : Waterproof,<br/> Ethernet PoE Spectroradiometer

The DAQ-E is an IP67 waterproof, radiometrically calibrated (with certificate) Ethernet spectroradiometer, built for permanent outdoor installations. Powered by Ethernet (PoE), a single cable provides both power and data — no battery to charge and no memory card to manage. The integrated spectroradiometer records the changing ambient light spectrum (340 - 1010 nm) in irradiance (W/m2·nm) at up to 10 times per second (10 Hz), streaming live over the network. The DAQ-E contains the same radiometrically calibrated light sensor as our DAQ-M and DAQ-U, with the same per-unit calibration support in Chloros. SPECIFICATIONS USER MANUAL PYTHON RECORDING SCRIPTS Sample Calibration Certificate Using Chloros with the DAQ-E you can stream live, radiometrically calibrated measurements to your computer over your network. Chloros automatically downloads each DAQ-E's unique radiometric calibration from MAPIR Cloud and applies it to every measurement — including the correction profile for the installed cap — so your data is always in absolute irradiance (W/m²·nm). The DAQ-E also stores its calibration and certificate onboard, so Chloros can calibrate its data even without an internet connection. The live data can then be used with LATTICE cameras for real-time reflectance measurements. You can also record the data to a .daq file to be used in Chloros for processing Survey3 and LATTICE images. Building your own recording setup? Our free, open-source Chloros Scripts (Python, MIT licensed) let you record raw DAQ-E measurements over Ethernet to a .daq file from your own computer or embedded device — using only the Python standard library, no extra dependencies. Note that the scripts record raw (uncalibrated) data only — Chloros is still required to apply each unit's radiometric calibration and process the data. Main Features: Research-grade spectrometer with absolute power calibration (W/m²·nm) Radiometric calibration certificate provided with every unit (download using Chloros) — view example certificate Automatic radiometric calibration in Chloros: each unit's unique calibration (gain, dark offset and cap correction) is downloaded from MAPIR Cloud and applied to every measurement — and also stored onboard the DAQ-E for offline use IP67 waterproof: built for permanent outdoor installations, rain or shine — waterproof even with no cap installed Powered by Ethernet (PoE): a single cable provides power and data — no battery to charge, no internal memory to download Field-serviceable Ethernet connection: disassemble the cable gland to connect or disconnect the Ethernet cable yourself — no tools shipped back and forth Streams at up to 10 Hz over your network Open-source recording scripts: record raw DAQ-E data over Ethernet using our free Python scripts (MIT licensed) — ideal for custom and embedded setups. Scripts record raw data only; Chloros is required to calibrate and process it. Four optional caps (available as a 4 pack, or the Sunshine cap on its own): the white glass cosine corrector "Sunshine" cap for ambient/downwelling light, plus three field-of-view caps (15°, 45°, 90°) for measuring reflected light. The no-cap configuration is also waterproof, for low-light measurements such as shade under a plant canopy. Chloros automatically applies the matching cap correction profile, and assumes the Sunshine cap is installed by default. Two main measurement modes: Irradiance = records changes in the ambient light spectrum, used to produce multispectral reflectance images in Chloros. Reflectance = records irradiance measurements of MAPIR reference targets and objects of interest, used to measure live reflectance in Chloros. With a large spectrum coverage (340 - 1010 nm) you only need one DAQ-E to support calibrating every model of Survey3 and LATTICE camera we offer. A single log file can correct any number of cameras. Device-to-device repeatability Durable and reliable: no moving parts Never needs to be recalibrated Wide operating temperature range Auto exposure and frame averaging control DAQ-E Measurement Capability: MODE UNITS DESCRIPTION Spectro-radiometer Spectral Irradiance Power (W/m²·nm) Research-grade spectroradiometer with absolute power calibration. Commonly used for recording the ambient light spectrum to correct multispectral images. Can also be used for measuring object irradiance, to be later post-processed into percent reflectance. Spectro-photometer* Percent Reflectance (%) Research-grade spectrophotometer output by post processing raw irradiance data. Commonly used to measure object reflectance. Directly compare with pixel reflectance obtained from processed multispectral images. Irradiance Sensor Total Irradiance Power (W/m²) Measure total power output of the ambient light across the sensor's entire range (340-1010nm). Colorimeter CCT (K), CRI, XYZ, xy, uv Accurate color data based on spectrometer measurement (superior to filter-based colorimeters). PAR Light/ Lux Meter Photometric Illuminance (lm/m² = lux), PPFD (µmol/m²/s) Assesses light levels relevant to plant growth (Photosynthetic Active Radiation - PAR, measured as PPFD) and human visual perception (Photometric Illuminance, measured as Lux). Essential for applications in horticulture, general lighting design, and assessments of light intensity on surfaces. * requires a measurement scan from the white target in our calibration packages. DAQ-E Measurement Example (recorded in Chloros): Every .daq recording is self-describing: the file stores the device model, serial number, installed cap and the exact per-unit calibration that was applied, along with the values below for every measurement. NAME UNIT VALUES Device Model DAQ-E Sensor ID daq-e-1a2b3c Cap Sunshine (Cosine Corrector) Calibration Applied (per-unit calibration ID and date stored in file) Timestamp UTC (nanosecond precision) 2025-04-23 13:39:14 Is Saturate yes, not not Integration Time ms 32 Frame Average frames 20 Wavelength nm 340, 345, 350, ... 670, 675, 680, ... 1000, 1005, 1010 Spectrum W/(m²·nm) 0.028496599, 0.026482204, 0.023346003, ... 0.056949656, 0.056615341, 0.056946527, ... 0.026041711, 0.025839653, 0.025660584 PPFD Spectrum µmol/m²/s/nm 0, 0, 0, ... 0.318986416, 0.31948036, 0.323729604, ... 0, 0, 0 Total Power W/m² 33.37362 Photopic Lux lumen/m² 4794 Scotopic Lux lumen/m² 11506 S/P Ratio 2.40 S-cone-opic lumen/m² 3978 Melanopic lumen/m² 4386 Rhodopic lumen/m² 4485 M-cone-opic lumen/m² 4723 L-cone-opic lumen/m² 4872 PPFD μmol/m²/s 87 PPFD-R μmol/m²/s 34 PPFD-G μmol/m²/s 33 PPFD-B μmol/m²/s 23 CCT Kelvin 5484 Duv 0.0048 CRI 99 Dominant Wavelength nm 571 Peak Wavelength nm 675 Excitation Purity 0.031 XYZ 4557, 4794, 4339 xy 0.3329, 0.3502 uv 0.2037, 0.4822 CIELAB (L*, a*, b*) 97.6, -2.1, 3.4 Munsell (H V/C) 5Y 9.6/0.8 DAQ-E Caps and Configurations: Four snap-on caps let you configure the DAQ-E for your measurement. The caps are sold separately as a 4 pack, or you can purchase the Sunshine cap on its own. Simply select the installed cap in Chloros and the matching correction profile is automatically applied to your data. Chloros assumes the Sunshine cap is installed by default, as ambient light measurement with the Sunshine cap is the most common measurement method. If you are using a different cap (or no cap), select it in Chloros to ensure accurate power readings. CAP WEIGHT DESCRIPTION Sunshine Cap (White Glass Cosine Corrector) 3.54 g The main cap most users will need — and the cap Chloros assumes is installed by default. The white glass cosine corrector diffuses incoming light for accurate ambient/downwelling irradiance measurements, such as bright direct sunlight. Use it when recording the ambient light spectrum to correct Survey3 and LATTICE multispectral images for percent reflectance. 90 Degree Cap 6.13 g Restricts the sensor's field of view to 90° for measuring light reflected from objects and reference targets. 45 Degree Cap 5.56 g Restricts the sensor's field of view to 45° for measuring light reflected from objects and reference targets. 15 Degree Cap 7.20 g Restricts the sensor's field of view to 15° — the narrowest field of view, for the most selective object and reference target measurements. No Cap (Bare Sensor) — The DAQ-E remains IP67 waterproof with no cap installed. Use the bare sensor for low-light environments, such as shade under a plant canopy. Select "none" as the cap in Chloros. Reflected-light (field of view cap) measurements can be calibrated for percent reflectance using a scan of the white target in our calibration packages. DAQ-E Power and Connectivity The DAQ-E is powered over Ethernet (PoE) — a single cable provides both power and data, making installation as simple as running one Ethernet cable to your PoE switch or injector. There is no battery to charge and no internal memory to manage. The Ethernet connection is field serviceable: you can disassemble the waterproof cable gland yourself to connect or disconnect the Ethernet cable. Stream measurements live using Chloros or our open-source Chloros Scripts. DAQ-E Specifications: Dimensions (without cap) 160 x 57 x 57 mm (6.3 x 2.2 x 2.2 in) (L x W x H) Weight 165.48 g (169.02 g with Sunshine cap) Waterproof Rating IP67 (with or without cap installed) Measurement Storage None (Streams Over Ethernet) Onboard Calibration Storage Yes (Calibration + Certificate Stored On Device) Power Power over Ethernet (PoE) — No Battery Interface Ethernet (PoE), Field-Serviceable Waterproof Cable Gland System Time Sync Host Computer Clock Software Chloros (Windows, Linux), Open-Source Python Scripts Operation Temperature Range 0C - 60C (32F - 140F) Spectrometer Calibration Radiometric (W/m²·nm) Calibration Certificate Per-Unit PDF (Downloaded via Chloros) — View Example Wavelength Range 340 - 1010 nm Number of Measurements Recorded 135 Wavelength Measurement Width 5 nm Wavelength Resolution 20 nm - 50 nm Wavelength Accuracy 3 nm Repeatability (peak) 1 nm Measurement Power Range 20 - 150,000 Lux (PPFD: 0 -2,000 μmol) Measurement Period Integration Time x Frame Averaging (+ ~10 ms network overhead) Signal to Noise Ratio 250 : 1 @ Max. Power & Average of 40 Dynamic Range > 1000 : 1 Linearity 99% Integration Time Auto, or Manual (4 ms - 500 ms) Streaming Rate (Maximum) ~10 Hz (adjustable via integration time and frame averaging) Diffuser White Glass Cosine Corrector (Sunshine Cap) Field of View <180 degrees (Sunshine Cap); 15° / 45° / 90° (FOV Caps) Included: 1 x DAQ-E spectroradiometer 1 x Radiometric calibration certificate (digital, stored onboard + downloaded via Chloros) Caps sold separately: 4 pack or Sunshine cap only. Ethernet cable and PoE injector/switch not included.