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Delta OHM
Light & Radiation

Light & Radiation

Product catalog summary

Introduction
This document provides comprehensive specifications and descriptions of portable photo-radiometers and photometric probes, specifically the HD2102.1 and HD2102.2 models, used for measuring illuminance, luminance, and irradiance across various spectral regions.

Specifications
The HD2102.1 and HD2102.2 models feature automatic detection modules, factory-stored calibration data, and time-integrated measurement capabilities. They can store up to 38,000 samples and transfer data to a PC via RS232C and USB interfaces. These instruments have IP66 protection and are powered by 4 AA batteries with a 200-hour autonomy.

Technical Characteristics
The document details the technical characteristics of various probes, including:

LP 471 PHOT Probe: Measures illuminance from 0.10 lux to 200,000 lux, with a spectral response matching the standard photopic curve.
LP 471 LUM 2 Probe: Measures luminance from 1.0 cd/m² to 2,000,000 cd/m², with a 2° optical angle.
LP 471 PAR Probe: Measures photon flow in the chlorophyll range (400nm to 700nm) from 0.10 μmol·m-2s-1 to 10,000 μmol·m-2s-1.
LP 471 RAD Probe: Measures irradiance in the 400nm to 1050nm range from 1.0·10-3 W/m² to 2000 W/m².

Calibration and Standards
The probes are calibrated with uncertainties typically less than 5% and adhere to standards such as CIE n.69 and UNI 11142. An accredited ACCREDIA LAT calibration laboratory is mentioned for photo-radiometric measures.

Ordering Information
Ordering codes for various instruments and accessories, including the HD2102.1 and HD2102.2 kits, connection cables, and software for data management, are provided.

Conclusion
The document emphasizes the continuous evolution of the instruments and notes potential discrepancies between the manual and the purchased product, as well as the possibility of errors in the manual.

Overview: The document provides detailed specifications and descriptions of radiometric and photometric probes used for measuring different types of light and radiation, equipped with SICRAM modules for automatic detection and calibration.

Combined Probes:

LP 471 P-A: Measures illuminance and UVA irradiance, providing a ratio useful in museums. Illuminance range: 0.10 lux to 200·10³ lux. Irradiance range: 1.0 mW/m² to 2000 W/m².
LP 471 A-UVeff: Measures total effective irradiance weighted according to the UV action curve.

Pyranometers:

LP 471 PYRA Series: Includes various classes of pyranometers for measuring global solar irradiance, equipped with SICRAM modules.

Data Loggers and Connectivity:

Portable data loggers (HD21xx series) feature a miniUSB type HID for easy PC connection without driver installation.
RS232 connectivity is available for older models using a USB/serial converter.

Technical Specifications:

Probes are designed with cosine correction diffusers for accurate measurements.
Calibration uncertainty and other performance metrics are specified for each probe type.

Conclusion: The document provides comprehensive information on the capabilities and specifications of various light and radiation measurement probes, ensuring users can select the appropriate tool for their specific needs.

Catalog excerpts

Portable photo-radiometers • Accredited ACCREDIA LAT calibration laboratory N° 124 for photo-radiometric measures. Portable photo-radiometer Portable quantum photo-radiometer and thermometer Photo-radiometric probes for indoors, output signal mV Photometric probe for indoor use with RS485 MODBUS-RTU digital output Photo-radiometric probes for outdoors, output signal 4...20mA, 0...10V, mV Photometric probe for outdoors with RS485 MODBUS-RTU digital output Photometric probe for weather stations, output signal 4...20mA, 0...10V, mV Radiometric probe for weather stations, output signal 4...20mA, 0...10V, mV Radiometric probe for weather stations, typical sensitivity 5V/(W/m²) Transmitters for the measurement of illuminance and irradiance Probes for the measurement of veiling luminance and luminance Non-coherent optical radiations sensor The qualitative level of our instruments is the result of a continuous evolving of the product itself. This may bring to slight differences between what written in the following manual and the instrument you bought. We cannot completely exclude the presence of errors inside the manual, which we apologise for. Data, images and descriptions included in this manual cannot be enforced legally. We reserve the right to perform modifications and corrections at any time without notice.

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INSTRUMENT TECHNICAL CHARACTERISTICS Instrument Dimensions (Length x Width x Height) 185x90x40mm Weight 470g (complete with batteries) Materials ABS, rubber Display 2x4½ digits plus symbols - 52x42mm Visible area: 52x42mm Operating conditions Operating temperature Storage temperature Working relative humidity Protection degree Power Batteries Autonomy Power absorbed with instrument off Mains 4 1.5V type AA batteries 200 hours with 1800mAh alkaline batteries 20μA Output mains adapter 12Vdc / 1000mA Measuring unit Security of memorized data Unlimited, independent of battery charge conditions Date...

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LP 471 LUM 2 probe for the measure of LUMINANCE 1.0…1999.9 …19999 …199.99·103 …1999.9·103 Measuring range (cd/m2): Resolution (cd/m2): 0.1 1 0.01·103 0.1·103 Optical angle: 2° Spectral range: in agreement with standard photopic curve V(λ) Class C Calibration uncertainty: <5% <8% f’1 (in agreement with photopic response V(λ)): <1% f3 (linearity): <0.5% f4 (instrument reading error): <0.5% f5 (fatigue): <0.05%K α (temp. coefficient) f6 (T) Drift after 1 year: <1% Working temperature: 0…50°C Reference Standards CIE n.69 - UNI 11142 Photometric probe for LUMINANCE measurement, spectral response in...

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LP 471 UVB probe for the measure of UVB IRRADIANCE 1.0·10-3 1.000…19.999 20.00…199.99 200.0…1999.9 Measuring range (W/m2): …999.9·10-3 2 -3 0.1·10 0.001 0.01 0.1 Resolution (W/m ): Spectral range: Calibration uncertainty: f4 (instrument reading error): Drift after 1 year: Working temperature: Radiometric probe for IRRADIANCE measurement, in the spectral range 280nm…315nm, peak 305nm ... 310nm, Measurement range: 1.0·10-3W/m2…2000W/m2. Combined probe LP 471 P-A with two sensors for the measure of ILLUMINANCE and UVA IRRADIANCE Illuminance Measuring range (lux): 0.10…199.9 …1999.9 …19999 …199.99·103...

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LP 471 A-UVeff probe for the measure of TOTAL EFFECTIVE IRRADIANCE weighted according to the UV action curve (CEI EN 60335-2-27) Total Effective Irradiance Measuring range (Weff/m2): 0.001 UV action curve for measuring erythema (250 nm…400 nm) <15% LP 471 BLUE probe for the measure of IRRADIANCE in spectral band of BLUE LIGHT 1.0·10-3… 1.000…19.999 20.00…199.99 200.0…1999.9 Measurement range (W/m2): 999.9·10-3 0.1·10-3 0.001 .01 0.01 Resolution (W/m2): Spectral range: 380 nm … 550 nm. Action curve for damages of Blue light B(λ) <10% Calibration uncertainty: f2 (response according to the cosine...

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ORDERING CODES HD2102.1: The kit consists of the instrument HD2102.1, 4 1.5V alkaline batteries, operating manual, case and DeltaLog9 software. Probes and cable must be ordered separately. HD2102.2: The kit consists of the HD2102.2 datalogger, 4 1.5V alkaline batteries, operating manual, case and DeltaLog9 software. Probes and cable must be ordered separately. HD2110CSNM: 8-pole connection cable MiniDin - Sub D 9-pole female for RS232C. CP23: USB 2.0 connection cable type A - MiniUSB type B. C.206: Cable for the connection of the instrument HD21…1 to the PC USB ports directly. DeltaLog9: Software...

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LP 471 Silicon-PYRA PROBES LP 471 PYRA 02.5 / LP 471 PYRA 02.10 - LP 471 PYRA 03.5 / LP 471 PYRA 03.10 - LP 471 PYRA 10.5 / LP 471 PYRA 10.10 - LP471 Silicon-PYRA The LP 471 PYRA… probes consist of a pyranometer LP PYRA 03, LP PYRA 02 or LP PYRA 10 equipped with the SICRAM module and a 5m or 10m cable for the connection of the pyranometer to the instruments DO9847, HD2102.2, HD2102.1 and HD2302.0, so to get the reading in W/m² directly on the instrument’s display. The LP PYRA 03 is a second class pyranometer, the LP PYRA 02 is a first class pyranometer and the LP PYRA 10 is a “Secondary standard”,...

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RADIOMETRIC-PHOTOMETRIC PROBES FOR PORTABLE INSTRUMENTS COD. Photometric probe for measuring the ILLUMINANCE, spectral response according to the photopic curve, class B according to CIE N° 69, cosine correction diffuser. Measuring range: 0.10 lux…200·103 lux. Photometric probe for measuring the LUMINANCE, spectral response according to the photopic curve, angular field 2°. Measuring range: 1.0 cd/m2…2000·103 cd/m2. Quantum-radiometric probe for measuring the PHOTONS FLOW in the chlorophyll field PAR (photosynthetically Active Radiation 400nm…700 nm), μmol m-2s-1 measure, cosine correction diffuser....

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RADIOMETRIC-PHOTOMETRIC PROBES FOR PORTABLE INSTRUMENTS COD. Combined probe for measuring ILLUMINANCE (lux), with standard photopic response, and IRRADIANCE (μW/cm2) in the UVA spectral range (315...400 nm, with peak at 360 nm). Both the sensors are equipped with diffuser for the correction according to the cosine law. Illuminance measuring range: 0.10 lux … 200·103 lux. Irradiance measuring range: 1.0 mW/m2 … 2000 W/m2. This probe provides the ratio between UVA irradiance and illuminance in μW/lumen (quantity of interest in museums). Combined probe for measuring the TOTAL EFFECTIVE IRRADIANCE...

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