Irradian DV211Q-Cos Series Instruction Manual
DV211Q-Cos
DV211E-Cos
Handbook Ref No. IH004/Issue A
File Ref: DV211-v2a.doc
1. Introduction
2. Specification
3. Spectral Response
4. Cosine Angular Response
5. Outline Drawings
6. Care and Maintenance
7. Environmental Care, Recycling and Disposal
DV211-Cos Sealed Detector Irradian Limited
1
SEALED ENERGY & PAR DETECTORS
The Irradian DV211-Cos sealed series detectors are housed in a
waterproof enclosure and are designed for use with data loggers and
weather stations, where continuous monitoring is required.
They are provided with a calibrated current sensitivity and comprise of a
silicon photodiode and filter glass package (PAR detector only) with
diffuser.
Key design features include:
•Self cleaning input diffuser
•Stay dry diffuser with wide water drainage slots
•Good cosine response
•Infinity error correction ring
•All aluminium body with weather resistant anodising
•High stability silicon photodiodes
•Internal calibration resistor, adjustable for annual recalibration
Two models of data logger compatible sealed detectors are available. A
photosynthetic active response detector model and a simulated solar
energy response detector model:
Energy: Model DV211E-Cos
PAR: Model DV211Q-Cos
Irradian Limited DV211-Cos Sealed Detector
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Spectral response Ref. Figures 1 and 2
Cosine Corrected Input: Within ±5% up to 70°.
Ref. Figure 3
Sensitivity*:
DV211E-Cos 0.01mV per W/m² of total solar radiation
DV211Q-Cos 0.01mV per µmol/m²/s of PAR
* Other ranges available on request.
Terminating Resistor DV211E-Cos, 100Ω(typical)
DV211Q-Cos, 700Ω(typical)
Temperature Range:
Operating range -10 to +60 °C
Storage range: -20 to +100 °C
Temperature Dependence:
DV211Q-Cos Sensitivity <0.2% / °C, 400 - 700nm
DV211E-Cos Sensitivity <0.2% / °C, 400 - 1000nm
Cable: 5 meter screened pair
Red wire, + (photodiode anode)
Blue wire, - (photodiode cathode)
Screen, not connected at the detector,
connect screen to data logger only.
Mounting: Two M4 tapped holes on a 24mm PCD.
Housing: Black anodised aluminium.
DV211-Cos Sealed Detector Irradian Limited
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DV211E-Cos
Relative Spectral Response
Figure 1
DV211Q-Cos
Relative Spectral Response
Figure 2
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Irradian Limited DV211-Cos Sealed Detector
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COSINE CORRECTED INPUT
Angular Response: Accurately cosine corrected to Lambert's
Cosine Law.
Maximum error is less than ±5% from true
response to 70°from normal incidence.
Refer to Figure 3.
Typical DV211-Cos
Cosine Response
True Cosine
60°
30°
DV211 Series
0°
Figure 3
DV211-Cos Sealed Detector Irradian Limited
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!
! !
!
48mm
24mm
30mmφ
Irradian Limited DV211-Cos Sealed Detector
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"
""
" #
# #
#
LOOKING AFTER THE DETECTOR
1. The DV211-Cos detector should be cleaned using a moist cloth with
detergent, solvent or alcohol.
2. The diffuser on the detector should be kept clean at all times.
3. The detector is a precision instrument, protect it from shocks.
4. Avoid supporting the detector by the cable.
This manual suits for next models
1
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