UV integrator of some of the problems！

UV energy of some of the problems:
1. UV energy are there?
A: UV is the acronym of the English Ultraviolet Rays, i.e., ultraviolet rays of ultraviolet (UV) is invisible to the naked eye, is visible to the outside section of the electromagnetic radiation in the purple light, a wavelength in the range of 10 ~ 400nm.
Usually its the nature of the different thin as a few paragraphs:
a vacuum ultraviolet (UV-D) ....... a wavelength of 100 - 200nm
b shortwave ultraviolet (UV-C) ........ 200 - 290nm wavelength
c ultraviolet B (UV-B) ........ 290 - 320nm wavelength
d long-wave ultraviolet light (UV-A) ........ 320 - 400nm wavelength
e visible (Visible light) ... wavelength of 400 - 760nm
Ultraviolet (UV) is used for industrial production, generally using a long wave UV (UV-A). Four-band energy meter at the same time can be measured, such as: American EIT UV energy meter, but the average user is too wasteful for the use of this product, not the measured data as possible, a single band in terms of accuracy and stability to be excellent multi-band products, the most important thing is to look at you there is no such need!

2. Why not the same as the energy meter data?
A: There are several reasons:
the distribution position of a, UV light source is not the same, there are the number of the difference in the UV energy count the accumulated data;
UV energy meter measurement time UV values are cumulative;
c retest the gap is too short, the sensor internal data is not zero;
d, the spectral range of the instrument and having different wavelengths;
e, the the instrument factory base adjustment;
The units of measurement due to UV energy meter: MJ (mJ), the normal acceptable fluctuation range: + / -10%, more than 30% of the the imported energy meter error, when the stability reach the factory requirements, please Contact with the seller.

3. How to properly use the UV energy meter?
A: pay attention to the five anti: anti-high temperature (high external temperature allows shorter time) dustproof, shockproof, waterproof, anti-magnetic, For the adjustment, please contact the manufacturer or seller.

4. Note:
UV energy meter in a single instrument measurement data set to standard, not to use compared to other similar instrument, many users do not know this, other products do, to learn more about (2) or send The professional instrument detection inspection agency check.

Note: early energy meter should be re-calibrated, especially imported, but thought the quality of the imported good, can be used for many years due to the lack of understanding of the customers and agents misleading. In fact, more than a year, the energy meter must be calibrated the (calibration of fact, is not a measurement of contrast calibration). The correct data the metrology institutes detection prevail.