SQ-110-L Apogee SQ-110 Sun Calibration Quantum Sensor

Overview

The SQ-110 measures photosynthetically active radiation and is calibrated for use in sunlight. Its spectral range of 410 to 655 nanometers. This quantum sensor connects directly to our data loggers. Its output can be measured by all of our data loggers (except the CR200X).

The "-L" on a product model indicates that the cable length is specified at the time of order.

The AC-100 and ApogeeAMS Software (sold separately) to download the data collected on a computer.


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Detailed Description

The SQ-110 consists of a cast acrylic diffuser (filter), photodiode and a signal processing circuitry mounted in an housing to provide photosynthetically active radiation (PAR) measurements for solar, agricultural, meteorological, and hydrological applications. Calibrated through side-by-side comparison to the mean of four Apogee model SQ-120 transfer standard quantum sensors under high output T5 cool white fluorescent lamps.


Specifications

  • Light Spectrum Waveband: 410 to 655 nm
  • Sensitivity: 0.2 μmol.m-2.s-1 
  • Cosine Response: ±5% at 75° zenith angle
  • Temperature Response: 0.06 ±0.06 % per °C
  • Long-term Drift: < 2% per year
  • Operating Temperature: -40° to +70°C
  • Relative Humidity: 0 to 100%
  • Diameter: 2.4 cm 
  • Height: 2.8 cm
  • Weight: 90 g (with 5 m of cable)

Compatibility

Sensor Mounts

Accurate measurements require the sensor to be levelled using a AL-100 levelling fixture. This levelling fixture incorporates a bubble level and three adjusting screws. The AL-100 mounts to a tripod or tower using the CM225 mounting stand. For most applications, Campbell Scientific recommends attaching the CM225 to a CM202, CM204, or CM206 crossarm. The CM225 can also be attached to a tripod or tower mast.

Data Logger Considerations

One differential analog input channel per probe is required.

Compatible Contemporary Data Loggers

CR200(X) Series CR800/CR850 CR1000 CR3000 CR5000 CR7X CR9000X

Compatible Retired Data Loggers

CR500 CR510 CR10 CR10X 21X CR23X CR9000


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Common Accessory for the following products:

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