Ls138 Four Channel UV Intensity Meter UVA UVB UVC Uvv Energy Meter High Precision UV Radiometer¹

Product Description LS138 Four Channel UV Intensity Meter UVA UVB UVC UVV Energy Meter High Precision UV RadiometerProduct ParametersLS138 Four Channel UV Intensity Meter UVA UVB UVC UVV Energy Meter High Precision UV Radiometer Descriptions:LS138 UV Energy Meter is capable of measuring the energy and intensity across four UV wavelengths: UVA, UVB, UVC, and UVV. It also tracks temperature and test duration in real time, showing the power curve during the test. This device is ideal for UV intensity testing in various applications, including curing machines, dryers, coating machines, exposure units, and printing equipment. Additionally, it comes with PC software for convenient report generation and printing. Features:1.LS138 can simultaneously measure the energy and intensity of four UV wavelengths: UVA, UVB, UVC, and UVV. 2.The 4-channel UV radiometer monitors temperature and test duration in real-time, helping users accurately track changes in the testing environment. 3.The UV intensity meter displays the power curve of the test, making it easier for users to understand the trends in energy variation. 4.It is widely applicable in various fields, including UV curing machines, drying equipment, coating machines, exposure units, and printing equipment. 5.Equipped with dedicated PC software, it supports report export and printing, making it convenient for users to record and analyze data. 6.With precise UV energy measurement capabilities, it ensures reliable data for users.Specifications: ParameterValueSpectral RangeUVC:230nm-280nm λp = 254nm;UVB:280nm-315nm λp = 310nm;UVA:315nm-400nm λp = 365nm;UVV:395nm-445nm λp = 420nm;Power Measuring Range0 - 2000 mW/cm2Power Resolution0.01 mW/cm2Energy Measuring Range0 - 999999mJ/cm2Measuring Accuracy(H is the Standard Value)H<5mW/cm2: ±0.5mW/cm2H>=5mW/cm2: ±10%H, ±5% (typical)Temperature Measuring Range-55°C - +125°CSampling Speed2048 times/secondPower Data Storage Interval32 times/secondTemperature Data Storage Interval2 times/secondRecording Period32 minPower Supply2 AAA alkaline dry batteriesDisplayDot matrix LCDDimensionDiameter 120mm * thickness 13mmWeightAbout 248gDimensionDiameter 120mm * thickness 13mmWeight327gProduct DescriptionWide applicationThe instrument is often applied in industries such as electronic component, UV flatbed printing, paint and coating and screen printing.Measure UVA/UVB/UVC/UVV simultaneouslyEquipped with four independent probes, it can measure UVA/UVB/UVC/UVV simultaneously without mutual interference.Energy, power and temperature measurement simultaneouslyPrecisely record the intensity of four UV bands of lamps.Display power curvesPower curves can analyze lamps intensity conditions.Long-term heat-resistant up to 100°CBuilt-in thermal insulation sheet , suitable for long-term operation at up to 100°C.Data Collected 2048 samples/secondThe faster the collected speed, the closer the energy value measured to the real value.Free PC softwareSupport computer software for reading detailed recorded data and generating test reports.Two Measurement ModesAuto mode: Suitable for equipment with a very long production line, which needs to run idly for a long time before reaching the UV light source.Manual mode: Factory default, for regular use. Packing ListNo.DescriptionQuantityUnit1UV Energy Meter1pcs2USB Cable1pcs3Anti-static Gloves1pcs4Small Cross Screwdriver1pcs5User Manual1pcs6Calibration Report1pcs7Certificate/Warranty Card1pcs8Plastic Case1pcsCompany ProfilePackaging & ShippingPackingAir Carton /Express Packaging/ Shrink PackageDelivery TermsEXW, DAP, Express DeliveryDelivery Time5-10 days in stockPortShenzhenFAQ1. Why should the UV energy meter be divided into mercury lamps and UV LED? If both sources are available, do I need to buy 2 UV energy meters?  A.The spectrum of the mercury lamp and the LED light source are different. When measuring, choose the instrument that matches the spectrum of the light source. If the spectrum of the light source is inconsistent with the response spectrum of the instrument, the measured data is not accurate.    B.99% of the UV energy meters on the market are designed for high pressure mercury lamps. They are only suitable for measuring the energy and intensity values of 365nm wavelength. The LED light source has various bands such as 365 nm, 375 nm, 385 nm, 395 nm and 405 nm. For LED light sources, LED-specific UV energy meters are required.  C.If you do not want to buy two UV energy meters, use a LED dedicated UV energy meter to detect the mercury lamp, the test data is still stable but the data will be too large. Except that it can not pass the inspection of the metrology institute, there is no problem with the quality control in the production process. Using a mercury lamp dedicated UV energy meter to measure LED lights, the data will be too small.2. Can gallium lamps, iron lamps, xenon lamps, etc. be measured?  If you are measuring non-LED type light sources, we recommend using LS120, LS130, LS125+UVA UV energy meters which are suitable for testing mercury and halogen lamps. These instruments are guaranteed to pass the inspection of the National Metrology Institute.  3. Are there any import taxes or customs charges that I need to be aware of if l purchase this and have it shipped here to my country?Almost all shipping methods supported by Made-in-China are DAP trade terms, which means that buyers need to handle customs clearance and pay custom duties. If you do not want to pay any extra expense or high custom duties before receiving the goods, please contact us before payment to help you find other shipping methods. Appreciate for your understanding.4 How much customs duty do I need to pay?Generally speaking, it depends on the import policy set by your country's customs office. The fee is related to the value of the goods and the type of goods. You can consult your country's customs office using the HS code we provide you.5. The instruments that test UV LED light sources are all calibrated at 395nm. Is the data for testing 365nm LED light sources accurate?  A. The spectral response curve of the instrument we tested for UVA LED light source is very stable between 365nm and 405nm. No matter what band the LED is, there is no problem. We calibrate the machine at 395nm LED light source.  B. The UV energy meter for testing LED light sources does not have relevant national standards, so the accuracy of the data cannot be measured by national standards. As a professional UV energy meter supplier, we has established strict factory inspection specifications to ensure that the data can meet the manufacturer's standard when detecting the 365-405nm LED light source.Note1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2. Please allow 1-2cm measuring deviation due to manual measurement.

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