Kipp & Zonen SUV5 UV Radiometer

SUV5 Total UV Radiometer

SUV5 is a Smart version of the CUV5 with digital signal processing. The accurate polynomial temperature correction and linearization make it ideal for monitoring high intensity UV lamps used in environmental test chambers.

Specific parts of the UV spectrum such as UVA, UVB or UVE / UV Index cannot be derived from the SUV5 measurements. For measurement of these individual parameters our specific SUV models are required.

SUV5 has a RS-485 interface with Modbus® RTU communication protocol and an amplified analog signal output. It can operate from 5 to 30 VDC and takes little power. The calibrated sensitivity is stored in the SUV memory so that the digital data is directly in W/m² and the analog output range is standardized. SUV’s can be interchanged and no changes have to be made in the data logger or data acquisition system after recalibration.

Use our free SmartExplorer Windows™ software for display of data , data logging, to a PC and for changing Modbus® address and communication settings.

SUV5 is compatible with the same accessories as our SMP range of pyranometers.

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Specifications

Spectral range (overall)	280 to 400 nm
Temperature response (-20 to +50°C)	< ±1 %
Response time (95%)	1 s
Non-linearity (0 to 400 W/m² with respect to 100 W/m²)	< ±1 %
Maximum UVA/UVB irradiance	400 W/m²
Operational temperature range	-40 to +70 °C
Directional response (up to 70° with 100 W/m² beam)	< ±5 %
Field of view	180 °
Analogue output (-A / -V version)	0 to 1 V
Digital output	2-wire RS-485 Modbus® RTU

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FAQ

Can I measure specific parts of the UV spectrum with the CUV 5?
- No, it cannot separate UV-A from UV-B, it measures both together, for measurement of these parameters individually we recommend our UVS Series of radiometers.
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What is the calibration frequency of UV radiometers?
- We advise to re-calibrate the UV radiometers every two years.
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Can a METEON data logger be connected to UVS-A-T and UVS-B-T?
- No, the input range of the METEON is limited to 200 mV (the output from the UVS-X goes up to 3V)
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What does ‘Mean Adjustment Factor’ mean on the calibration certificate of a UV radiometer?
- The ‘Mean Adjustment Factor’ on the calibration certificate is equivalent to the sensitivity of a pyranometer. It applies to specific Ozone column and Air-mass (solar elevation) values used as the standard test conditions. Data files are provided to correct the measured values for other Ozone and Air-mass conditions (see Radiation Amplification Factor).
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Is there an UV-C sensor available?
- No, we do not have a UV-C sensor. UV-C from the sun is almost completely absorbed by Ozone in the atmosphere and virtually none reaches the ground.
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I noticed that the UVS series has a temperature controller, which make it constant 25 ˚C. Do you think this controller can cover ‘automatic temperature compensation’?
- Actually our thermostat is better than a temperature compensation. We used to have UVS-X-C versions of our instrument (these were temperature compensated). We stopped that line because the UVS-X-T version performed much better. Temperature compensation means correcting the output for changes in sensor temperature. Because our sensor is always the same temperature there is no compensation required. The internal Peltier element heats or cools the actual complete detection system that measures the UV light.
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What is the bandwidth of the CUV 5 and why does this not match the UV spectrum?
- The bandwidth of the CUV 4 is 280 - 400nm. The 50 % points are defined to be 290 - 385 nm.
  
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What does ‘Radiation Amplification Factor’ mean?
- The radiation amplification factor is a correction for solar zenith angle and Ozone column. This is required because these two factors strongly influence the UV measurement.
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Can the UVIATOR software operate with a Campbell logger and its software? Or, do I have to use LOGBOX-SD for compatibility with UVIATOR?
- The UVIATOR can work with any data logger that is capable of storing UVS measurements. The UV-data must to be stored in the correct format, and Campbell loggers can do this. More details can be found in the UVIATOR manual.
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Why do I need the UVIATOR software?
- For easy correction for solar zenith angle and Ozone column.
  This is required because these two factor strongly influence the UV measurement. With the UVIATOR software you can collect the Ozone column data from the OMI satellite data per date, time and location. With this Ozone data and the solar zenith angle the UVIATOR will calculate the optimal correction for every data point.
  
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What is the output range of the UVS radiometers?
- The UVS series of UV radiometers have an output in the range from 0 - 3 V.
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Can the data from the CUV4 be used as input to calculate UV index?
- No. According to the WMO / WHO guidelines for the Global UV Index, UV-I should only be derived from UV-E measurements (or from a spectral instrument such as our Brewer Spectrophotometer).
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Does the UVS-AB measure UV-A and UV-B at the same time?
- Yes, the UVS-AB has two independent detection systems.
  The UVS-AB has two continuous, simultaneous, analog outputs; one for UV-A and one for UV-B.
  See below drawing of the UVS-AB for details.
  Beneath the dome and diffuser two sets of filters and detectors are positioned. Detector 1 is 4 times bigger than detector 2. Detector 2 is located exactly in the middle, on top of detector 1. Filter 1 has an opening in the middle for filter 2 plus detector 2. In this way we can make sure both detectors have a 180 degree field of view.
  
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Accessories

Accessory	Description
CMF Mounting Fixtures More information	CMF1 and CMF4 mounting fixtures for all series pyranometers	Add To Basket
CM121B/C Shadow Ring More information	To be used with Kipp & Zonen pyranometers, smart pyranometers, pyrgeometers and UV radiometers to shield the instrument from direct radiation.	Add To Basket
METEON 2.0 Data Logger More information	The new METEON 2.0 offers handheld display, comparison and logging of irradiance values from both passive and Smart Kipp & Zonen radiometers. METEON 2.0 is ideal for checking PV plant monitoring systems, visualizing incoming radiation and verifying performance.	Add To Basket
Adjustable Tilt Radiometer Mounting Kit More information	Mount a radiometer at a desired solar zenith angle between 0° and 90° to measure tilted global or diffuse radiation.	Add To Basket
Glare Screen Kit More information	Sun protection screen for downward facing radiometers mounted on an albedo/net radiation mounting plate	Add To Basket
CVF4 Ventilation Unit More information	Ventilating solar radiation instruments improves the reliability and accuracy of measurements and reduces maintenance. CVF4 is a high quality waterproof ventilation unit designed to be used with Kipp & Zonen pyranometers, pyrgeometers, and ultraviolet radiometers.	Add To Basket
LOGBOX SE Data Logger More information	LOGBOX SE is a weatherproof field data logger with 4G LTE cellular communication. Designed for use with all Kipp & Zonen solar radiation instruments, both analog and Modbus®, including RT1. It is also compatible with DustIQ and Lufft all-in-one weather stations. LOGBOX SE can operate from internal batteries, external DC power or a solar panel.	Add To Basket
Smart Powered Hub and Smart Hub More information	The Smart Hub is a passive 6 to 1 weatherproof hub for 2-wire RS-485 connections. The Smart Powered Hub adds a heavy duty 2.2A power supply.	Add To Basket