Menu
bobapp手机客户端下载
  • Home
  • bob足球体育
    • Pyranometers
    • Quantum (PAR, ePAR, ePFD) Sensors / Meters
    • Daily Light Integral Measurement
    • Infrared Radiometers
    • Aspirated Radiation Shield
    • Spectroradiometers
    • Net Radiometer
    • bob171下载
    • bob10app
    • Temperature Sensors
    • bob 体育直播
    • Oxygen Sensors
    • UV Sensors
    • bob 体育平台下载
    • bob sports
    • PAR Meters for Aquariums
    • bob 体育网址
    • bob 体育 app
    • Photometric Sensor
    • PRI Sensors
    • b0b体育app下载
    • Accessories
    • Calibration Services
    • B0B体育平台下载
    • Refurbished Products
  • ABOUT US
    • Contact Us
    • International Distributors
    • Careers
    • Apogee News
    • bob apple
    • Event Calendar
    • Staff Listing
    • Apogee Cares
    • Our Founder - Dr. Bruce Bugbee
    • bob网app
    • Customer Satisfaction Survey
  • BOB体育竞彩
  • Support
  • Sign In / Register
  • Search
  • International Distributors
  • My Cart(0)
    Your cart is empty

ePAR and ePFD Sensors

Apogee Instrument's ePAR and ePRD sensors/meters provide a research grade measurement of photon flux density (PFD) beyond the standard range of 400-700 nm (PAR).
Apogee's newest 380-760 nmExtended Photosynthetically Active Radiation (ePAR)sensor and older 340-1040 nmExtended Photon Flux Density (ePFD)sensors are designed for making total photon flux intensity measurements of wider ranges than traditional PAR sensors that measure 400-700 nm.
Apogee's newest, cutting-edgeePARsensor was created in 2021 as an upgrade to our ePFD sensor and designed to measure the newly defined 380-760 nm ePAR radiation range that research has shown to be photosynthetically active, beyond the traditional 400-700 nm range. Many next generation LED fixtures, the sun, and other light sources emit these newly confirmed UV and Far-red photosynthetic wavelengths, but they have not been measurable by traditional 400-700 nm PAR meters until now. Much of the transformative work to define the ePAR range was conducted by Dr. Shuyang Zhen and Dr. Bruce Bugbee at Utah State University's Crop Physiology Laboratory. A few of the many articles discussing Dr. Zhen and Dr. Bugbee's research into ePAR can be found inGreenhouse Management,Plant, Cell and Environment,Frontiers in Plant Science, and atFluence.
TheePFDsensor was created in 2019 to measure the total intensity of photons in the 340-1040 nm range. This wide measurement range is useful for specialized applications like studying the photomorphogenic effect of UV, far-red, and even infrared security lights, which can affect certain plants during their dark periods. Because of the extra-wide measurement cutoffs of this sensor, this sensor is not recommended for PAR measurements under any light source except LEDs where all wavelengths are known to be within the traditional 400-700 nm PAR or 380-760 nm ePAR range.

ePAR and ePFD Explained with Dr. Bruce Bugbee

Spectral Response
TheePAR sensorhas a spectral range of 380 to 760 nm ± 5 nm. TheePFD sensorhas a spectral range of 340 to 1040 nm ± 5 nm. The spectral responses can be seen in the graph below.
Graph showing the spectral response of an ePAR and Extended Range PFD sensor
Accurate, Stable Measurements
Sensors are cosine-corrected to maintain their accuracy when radiation comes from low zenith angles. The sensors measure PFD with a cosine response accurate within ± 5 % at 75° zenith angle. Long-term non-stability determined from multiple replicate quantum sensors in accelerated aging test and field conditions is less than 2 % per year.
Typical Applications
Total ePAR and ePFD intensity measurements over plant canopies in all growing environments, monitor and adjust grow lights, research plant morphogenic activity, and photobiology studies.
远地点ePAR和ePFD传感器也可作为汉dheld meter.
An Apogee ePAR and ePFD with microcache micrologger.
An Apogee Extended Range PFD sensor head.
Rugged, Self-cleaning Housing
Patented domed shaped sensor head (diffuser and body) facilitate runoff of dew and rain to keep the sensor clean and minimize errors caused by dust blocking the radiation path. Sensors are housed in a rugged anodized aluminum body and electronics are fully potted.
Calibration
To ensure accuracy each sensor is carefully calibrated in controlled conditions and traceable to NIST reference standards. The extended sensors are pre-calibrated for all light sources, though it is recommended SQ-620 series sensors are only used under LEDs.
Mounting
TheAL-120 Solar Mounting Bracket with Leveling Platefacilitates mounting the sensor to a mast or pipe. TheAL-100 Solar Sensor Leveling Plateis designed to level the sensor while sitting on a flat surface or mounting to a surface.
Output Options
Available in multiple analog output options including 0 to 40 mV, 0 to 2.5 V, 0 to 5 V, and 4 to 20 mA ranges. Digital output options include a digital “smart” sensor that uses USB communication and custom software to interface directly to a computer, SDI-12, and Modbus protocols. Sensors are also available attached to a hand-held meter with digital readout. The analog versions of these sensors (SQ-610, SQ-620) work with ourµCache Bluetooth Micro Logger.
High Quality Cable
一个IP68 Pigtail-lead传感器特性,marine-gradestainless-steelcable connectorto simplify sensor removal for maintenance and recalibration. Cable is shielded-twisted pair wire with a TPR jacket for high water resistance, UV stability, and flexibility in cold conditions.
Warranty and Support
All Apogee products are backed by an industry-leading four year warranty and outstanding customer support.

Specifications

Learn More

Videos

Learn More

Support Info

Learn More
  1. Home
  2. /Quantum (PAR, ePAR, ePFD) Sensors / Meters
  3. /ePAR and ePFD Sensors
  • ePAR and ePFD Sensor Support

Shop by brand

  • Apogee
  • Campbell Scientifice

Shop by price

  • $0.00 - $147.00
  • $147.00 - $270.00
  • $270.00 - $393.00
  • $393.00 - $516.00
  • $516.00 - $639.00
PQ-610 Package: microCache and ePAR sensor with 30 cm cable
Quick View

PQ-610 Package: microCache and ePAR sensor with 30 cm cable

$619.00
PQ-612 Package: microCache and ePAR Sensor with 2 meter cable
Quick View

PQ-612 Package: microCache and ePAR Sensor with 2 meter cable

$639.00
PQ-620 Package: microCache and ePFD sensor with 30 cm cable
Quick View

PQ-620 Package: microCache and ePFD sensor with 30 cm cable

$619.00
PQ-622 Package: microCache and ePFD Sensor with 2 meter cable
Quick View

PQ-622 Package: microCache and ePFD Sensor with 2 meter cable

$639.00
MQ-610: 380-760 nm ePAR Meter
Quick View

MQ-610: 380-760 nm ePAR Meter

$568.00
MQ-620: 340-1040 nm ePFD Meter
Quick View

MQ-620: 340-1040 nm ePFD Meter

$568.00
SQ-610-SS 380-760 nm ePAR Sensor
Quick View

SQ-610-SS 380-760 nm ePAR Sensor

$415.00
SQ-612-SS 380-760 nm 0-2.5 V output ePAR Sensor
Quick View

SQ-612-SS 380-760 nm 0-2.5 V output ePAR Sensor

$460.00
SQ-614-SS 380-760 nm 4-20 mA output ePAR Sensor
Quick View

SQ-614-SS 380-760 nm 4-20 mA output ePAR Sensor

$515.00
SQ-615-SS 380-760 nm 0-5 V output ePAR Sensor
Quick View

SQ-615-SS 380-760 nm 0-5 V output ePAR Sensor

$460.00
SQ-616: 380-760 nm USB output ePAR Sensor
Quick View

SQ-616: 380-760 nm USB output ePAR Sensor

$465.00
SQ-617-SS 380-760 nm SDI-12 ePAR Sensor
Quick View

SQ-617-SS 380-760 nm SDI-12 ePAR Sensor

$515.00
SQ-618-SS Modbus Digital Output 380-760 nm ePAR Sensor
Quick View

SQ-618-SS Modbus Digital Output 380-760 nm ePAR Sensor

$515.00
SQ-620-SS 340-1040 nm ePFD Sensor
Quick View

SQ-620-SS 340-1040 nm ePFD Sensor

$415.00
SQ-622-SS 340-1040 nm 0-2.5 V output ePFD Sensor
Quick View

SQ-622-SS 340-1040 nm 0-2.5 V output ePFD Sensor

$460.00
SQ-624-SS 340-1040 nm 4-20 mA output ePFD Sensor
Quick View

SQ-624-SS 340-1040 nm 4-20 mA output ePFD Sensor

$515.00
SQ-625-SS 340-1040 nm 0-5 V output ePFD Sensor
Quick View

SQ-625-SS 340-1040 nm 0-5 V output ePFD Sensor

$460.00
SQ-626: 340-1040 nm USB output ePFD Sensor
Quick View

SQ-626: 340-1040 nm USB output ePFD Sensor

$465.00
SQ-627-SS 340-1040 nm SDI-12 ePFD Sensor
Quick View

SQ-627-SS 340-1040 nm SDI-12 ePFD Sensor

$515.00
AT-100 microCache Bluetooth Micro Logger
Quick View

AT-100 microCache Bluetooth Micro Logger

$319.00
AA-100: Protective Carrying Case
Quick View

AA-100: Protective Carrying Case

$24.00
AL-100: Solar Sensor Leveling Plate
Quick View

AL-100: Solar Sensor Leveling Plate

$44.00
AL-120 Solar Mounting Bracket with Leveling Plate
Quick View

AL-120 Solar Mounting Bracket with Leveling Plate

$64.00
AM-310: Sensor Wand
Quick View

AM-310: Sensor Wand

$62.00

Compare Products

Subscribe to Our newsletter

About Apogee Instruments, Inc.

Address:
721 West 1800 North
Logan, UT 84321
United States of America

Hours: Monday-Friday 8 AM- 5 PM MST

Main Line / Order Status: (435) 792-4700
or sales@apogeeinstruments.com

Technical Sales and Support: (435) 245-8012
or techsupport@apogeeinstruments.com

Purchase

  • bob足球体育
  • Product Catalog
  • Case Studies
  • International Distributors
  • BOB体育竞彩

Support

  • Technical Support
  • Sales Support
  • Product Manuals
  • Recalibration & Repair
  • Downloads
  • Sign In / Register
  • Sitemap

Company

  • Contact Us
  • bob apple
  • Apogee News
  • Event Calendar
  • Careers
©bobapp手机客户端下载

Search in Apogee Instruments, Inc.

Cart Checkout
  • bob足球体育
    • Pyranometers
    • Quantum (PAR, ePAR, ePFD) Sensors / Meters
    • Daily Light Integral Measurement
    • Infrared Radiometers
    • Aspirated Radiation Shield
    • Spectroradiometers
    • Net Radiometer
    • bob171下载
    • bob10app
    • Temperature Sensors
    • bob 体育直播
    • Oxygen Sensors
    • UV Sensors
    • bob 体育平台下载
    • bob sports
    • PAR Meters for Aquariums
    • bob 体育网址
    • bob 体育 app
    • Photometric Sensor
    • PRI Sensors
    • b0b体育app下载
    • Accessories
    • Calibration Services
    • B0B体育平台下载
    • Refurbished Products
  • About Us
    • Contact Us
    • International Distributors
    • Careers
    • Apogee News
    • bob apple
    • Event Calendar
    • Staff Listing
    • Apogee Cares
    • Our Founder - Dr. Bruce Bugbee
    • bob网app
    • Customer Satisfaction Survey
  • BOB体育竞彩
  • Blog
  • Support
  • Account
    • Sign In / Register
    • Returns
More Info