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PAR Meters for Aquariums

使用Apogee Aquarium Par米确保水下光合作用的正确光线。
使用Apogee Aquarium Par米确保水下光合作用的正确光线。
使用Apogee Aquarium Par米确保水下光合作用的正确光线。
Ensure proper light levels for underwater photosynthesis
Photosynthetic radiation is essential for the growth of the photosynthetic organisms such as corals. The wavelength range from 400 to 700 nm is PAR (Photosynthetically Active Radiation) or PPFD (Photosynthetic Photon Flux Density). Apogee quantum/PAR sensors are calibrated to measure the number of photons of light across this range.
How It Works
PAR (Photosynthetically Active Radiation) is the energy source required for photosynthesis, created by photons in the wavelengths of 400 to 700 nm. The energy source, PAR, is expressed in Photosynthetic Photon Flux Density (PPFD) units, µmol m-2s-1. PAR can be measured from both sunlight and electric light sources to ensure corals are receiving proper light or photons for optimal health. PAR requirements of coral varies greatly due to different depths and water conditions they naturally exist in. Information on specific coral PAR requirements can be found by asking a professional aquarist becoming involved in a local reef club and through articles such asPhotosynthesis and Photoadaptation by Sanjay Joshi. Apogee Underwater Quantum/PAR meters and sensors accurately measure an aquariums range of PAR to give a better understanding of aquarium lighting;more details on underwater PAR measurements.
Full Spectrum Sensor
Features an improved detector that provides excellent measurements under all light sources, including LEDs, right out of the box. The full-spectrum quantum sensor has a spectral range of 389 to 692 nm ± 5 nm seen in graph to the right. The sensor is available attached to a hand-held meter that provides a digital readout (MQ-510), with USB communication and custom software (SQ-520), and in multiple analog outputs to be used with a datalogger or voltmeter.
Spectral Response
图表显示全谱量子传感器的光谱响应(光谱范围为389至692nm±5nm)和原始量子传感器(光谱范围为410至655nm±5nm)。
Original Sensor
除大多数LED之外,所有光源的较低成本选项非常适用于大多数LED,其中需要应用后测量后校正因子来实现准确的读数。原始量子传感器的光谱范围为410至655nm,在左图中看到。传感器可提供连接到提供数字读数的手持仪表(MQ-210)在多个模拟输出中与数据记录器或电压表一起使用。
Ready for Underwater Use
All Apogee Underwater Quantum Meters and Sensors models (MQ-210 and -510, and SQ-420 and -520) automatically correct for the immersion effect or have an immersion setting, allowing the user to make excellent underwater measurements right out of the box. Sensors feature a waterproof sensor head that is potted solid for a complete seal and to ensure it has no hollow cavities for water to penetrate and cause measurement errors.
Datalogging Capabilities
MQ-210和-510米记录最多99个手动测量。在记录模式下,仪表将每30秒进行一次测量。每30分钟仪表平均平均六十,30秒的测量并记录平均值。仪表可以存储多达99个平均值。SQ-420和-520 USB传感器具有内存能够存储可以将可以下载到计算机的10,000个用户指定的周期性测量值。
Typical Applications
PPFD在室外环境,温室和生长室中的植物檐篷进行测量,并反射或在同一环境中反射或下调(传输)PPFD测量。量子传感器也用于测量水生环境中的PPFD,包括珊瑚的生长水族馆。
Mounting
这Al-120太阳能安装支架带平整板便于将传感器安装到桅杆或管道上。这AL-100 Solar Sensor Leveling Plateis designed to level the sensor while sitting on a flat surface or mounting to a surface.
Warranty and Support
All Apogee products are backed by an industry-leading four year warranty and outstanding customer support.

Product Manuals

Specification Sheets

Technical Drawings

软件和数据记录程序

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FAQs

技术支援
MQ-510 SQ-520 MQ-210 SQ-420
电源 - Uses a 5 V USB power source and has a 2.1 mA current draw when logging - Uses a 5 V USB power source and has a 2.1 mA current draw when logging
Output Type Meter USB Meter USB
解析度 - 0.1 µmol m-2s-1 - 0.1 µmol m-2s-1
Calibration Factor (reciprocal of sensitivity) - Custom for each sensor and stored in the firmware - Custom for each sensor and stored in the firmware
Calibration Uncertainty ± 5 % ± 5 % ± 5 % ± 5 %
Measurement Repeatability Less than 0.5 % Less than 0.5 % Less than 0.5 % Less than 0.5 %
Long-term Drift Less than 2 % per year Less than 2 % per year Less than 2 % per year Less than 2 % per year
Non-linearity Less than 1 % (up to 4000 µmol m-2s-1) Less than 1 % (up to 4000 µmol m-2s-1) Less than 1 % (up to 4000 µmol m-2s-1) Less than 1 % (up to 4000 µmol m-2s-1)
Response Time Less than 1 ms 软件更新每秒 Less than 1 ms 软件更新每秒
视野 180° 180° 180° 180°
光谱范围 389至692 nm±5 nm(波长响应大于最大值的50%) 389至692 nm±5 nm(波长响应大于最大值的50%) 410至655 nm(波长响应大于最大值的50%) 410至655 nm(波长响应大于最大值的50%)
Spectral Selectivity 低于412至682nm±5 nm的10% 低于412至682nm±5 nm的10% 从469到655 nm的小于10% 从469到655 nm的小于10%
定向(余弦)响应 ± 5 % at 75° zenith angle ± 5 % at 75° zenith angle ± 5 % at 75° zenith angle ± 5 % at 75° zenith angle
Temperature Response 0.06 ± 0.06 % per C 0.06 ± 0.06 % per C 0.06 ± 0.06 % per C 0.06 ± 0.06 % per C
Operating Environment 0到50 c;不到90%的非冷凝相对湿度,高达30℃;不到70%的非冷凝相对性湿度,30至50℃;单独的传感器可以浸入水中,深度为30米 -40 - 70 C, 0至100%相对湿度,可以submerged in water up to depths of 30 m 0到50 c;不到90%的非冷凝相对湿度,高达30℃;不到70%的非冷凝相对性湿度,30至50℃;单独的传感器可以浸入水中,深度为30米 -40 - 70 C, 0至100%相对湿度,可以submerged in water up to depths of 30 m
传感器尺寸 24 mm diameter, 37 mm height 24 mm diameter, 37 mm height 24 mm diameter, 28 mm height 24 mm diameter, 28 mm height
Meter Dimensions 126 mm length, 70 mm width, 24 mm height - 126 mm length, 70 mm width, 24 mm height -
Mass (with 5 m of cable) 100 g 100 g 90 G. 90 G.

如何选择量子传感器

Why do I need a PAR-Quantum Meter?

In-depth Look at PAR-Quantum Meters

讲座4-par

Apogee Instruments Meter User Guide

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