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5 Technical Data 

 

5

 

5  Technical Data 

5.1  General technical data 

Size (L x W x H) 

160 x 100 x 20 mm³  

Weight 

~500 g 

Power 

battery powered, 3 x CR2032 

Max. operational temperature 

60°C 

Display 

graphical, 128 x 64 px 

Optically active surface 

Diameter: 10 mm 

Optically active surface position 

external sensor 

internal memory 

50 measurements with export option 

5.2  Radiometric measurements 

Spectral range 

200 - 440 nm ±3nm 

Spectral bandwidth 

~ 2 nm 

Irradiance measurement range 

2 - 15000 mW/cm² 

Irradiance dose measurement range 

1 mJ/cm² - 600 J/cm² 

Irradiance profile 

4 spectral ranges (UVA, UVB, UVC, VIS)  

Measurement time 

0 to 120 s, adjustable to ~ (rounded) 
120 s (4 Hz) 
 48 s (10 Hz) 
 24 s (20 Hz) 
 10 s (50 Hz) 
 5 s (100 Hz) 

Time resolution 

10 ms to 250 ms, adjustable 

Sampling rate 

10 ms - 1000 ms, 
automatically set 
storage rate for export: see time resolution 

Averaging 

1 - 32  

Gain 

normal / LowGain for 10 to 30 ms 

Cosine correction 

yes 

Calibration 

yes, traceable to PTB / NIST 

frequency of recalibration, recommended 

12 months 

5.3  spectral ranges 

according 

CIE 

UV-C 

240 - 280 nm 

UV-B 

280 - 315 nm 

UV-A 

315 - 400 nm 

VIS 

400 - 480 nm 

based customer specification or CIE 

optional 

 

 

 

Summary of Contents for UVpad E

Page 1: ...UVpad E Manual Version 1 1 2 Opsytec Dr Gröbel GmbH Am Hardtwald 6 8 76275 Ettlingen Tel 07243 94783 50 Fax 07243 94 83 65 info uv groebel de ...

Page 2: ... 7 Information 17 9 3 Settings 18 9 3 1 Sensitivity 18 9 3 2 Averaging 19 9 3 3 Effective Function 19 9 3 4 Language 21 9 3 5 Date Time 21 9 3 6 Factory Settings 21 10 Data Export PC Software 22 10 1 Installation 22 10 2 Connecting with the PC 22 10 3 Viewer Software 23 10 4 Export of measurements 25 10 5 Displaying and comparing Measurements 26 10 6 Displaying the Irradiance profile 26 10 7 Delet...

Page 3: ...me UVA VIS range adjusted 10 11 2017 1 1 0 Paravia Manual dark measurement 10 01 2018 1 1 1 Uhl Remote control LIVE measurement 19 02 2018 1 1 2 Paravia Editorial modifications 3 Symbols Overview Meaning Failure to observe the mentioned instructions can re sult in an injury of the user Meaning Failure to observe the mentioned instructions can re sult in a damage of the device Meaning Instructions ...

Page 4: ...ectrum is shown on the graphic display The irradiances for UVA UVB UVC and VIS are available by the click of a button In the background the spec trum is already recorded While measuring the dose and the chronological irradiance sequence can additionally be documented Spectra and measurement data can be exported and evaluated with the provided software The UVpad E offers these functions features Sp...

Page 5: ... 2 15000 mW cm Irradiance dose measurement range 1 mJ cm 600 J cm Irradiance profile 4 spectral ranges UVA UVB UVC VIS Measurement time 0 to 120 s adjustable to rounded 120 s 4 Hz 48 s 10 Hz 24 s 20 Hz 10 s 50 Hz 5 s 100 Hz Time resolution 10 ms to 250 ms adjustable Sampling rate 10 ms 1000 ms automatically set storage rate for export see time resolution Averaging 1 32 Gain normal LowGain for 10 t...

Page 6: ...hardware software requirements USB connector MiniUSB PC requirements min Intel CORE i3 2 GB Ram 40 Gb HDD operating system Windows 7 with NET Framework 4 0 5 5 Effect related measurements Photoinitiator Sensitivity curve optional ...

Page 7: ...llowed in dry environments The assembly position is arbitrary When using the UVpad E light and UV radiation can be reflected and distributed at the housing Appropriate protection measures for the protection against radiation need to be applied if neces sary Note The UVpad E itself does not emit any hazardous radiation The housing with the exception of the battery compartment must not be opened by ...

Page 8: ...ON Opening of the housing except for the battery compartment leads to a loss of calibration Only use batteries which are suitable for up to 60 C The UVpad E is a highly sensitive optical measurement device It must not be exposed to shocks When using the UVpad E light and UV radiation can be reflected and distributed at the housing Appropriate protection measures for the protection against radi ati...

Page 9: ...follows Key Function Back Cancel Off Down Up Confirm Continue The keys and are additionally available as softkeys Softkey functions are directly dis played above the key Example 9 1 Switching the device on and off The UVpad E is activated via any key During the initialization ca 2s the welcome screen is displayed After the initialization the standby menu is displayed ...

Page 10: ...tings Information In the standby menu and in all other menus select the active menu item via the keys and Confirm the active menu item with the key With you return to the previous menu with out saving any changes The selected menu item is highlighted in black and displayed inverted If several settings are selectable then the selected setting is marked with Example In this example the language Engl...

Page 11: ... time is displayed in ms Example T 100 The integration time is 100 ms Hint For optimum measurement results the measuring range should be fully con trolled Very good measuring results are achieved when the measuring range is at least 50 The modulation is linear to the set integration time Example 55 5000 T10 M20 Measuring range is 20 used Bad T40 M80 Measuring range is 80 used Very good Switch betw...

Page 12: ...ed measurements 4 Irradiance profile over the duration of the measurement These can be displayed with the keys or First the dose of irradiance is displayed With the key the irradiance profile for UVA UVB UVC VIS and total are dis played With the key you are respectively being redirected to the previous menu With the keys or you can return to the standby screen Note If the irradiance is too low for...

Page 13: ... for the integration time the UVpad E will not display any values In this case the irradiance and dose values are displayed with Manual darkness measurement is important if the irradiance at the end of the short wave measuring range e g 240 nm is not zero otherwise the meas ured values are too low For the measurement with manual dark measurement start the measurement and set the integration time w...

Page 14: ...ayed Note The irradiance is not displayed if the darkness measurement is not done or the integration time has been changed The note DARK is displayed Note The optimum integration time the gain L H and the control of the measuring range are dis played at the top of the display The integration time is displayed in ms Example T 100 The integration time is 100 ms ...

Page 15: ...ing that the memory is full and that the measurement can be taken out without saving it or that alternatively the oldest measure ment result is being overwritten See Delete all Measurements See Data Export Delete all measurements The internal memory can be deleted directly on the UVpad E or via a PC For this purpose please select the prior menu item Clear memory Confirm with Yes Return with or 9 2...

Page 16: ...elect a lower sensitivity if single lines of the spectrum are cut on top The measurement range is then exceeded and is shown in the display MAX Examples Sensitivity too low Sensitivity correct Sensitivity too high Risk of UV radiation Protect your skin and eyes during the work at and with UV radiation sources ...

Page 17: ...h or cancel the set ting with 9 2 6 Settings In the menu Settings you can set up the sensitivity the effective function the menu lan guage and the date time Furthermore you can reset the UVpad E to the factory settings 9 2 7 Information Select the menu item Information from the standby menu to display the serial number the firmware version as well as the date of calibration With any key you are be...

Page 18: ...ctions on the display and or set a fixed integration time as sensitivity Five pre defined sensitivities are available In the setting automatically the UVpad E adjusts the sensitivity once a minimum irra diance is existent This setting is suitable for most applications In the setting low the sampling rate is al ways between 10 ms and 100ms The UVpad E can measure UV systems with a very high irradia...

Page 19: ... while for integration times over 500 ms smaller settings may be useful 9 3 3 Effective Function Effective functions serve for the process oriented measurement This is often also called effect related or actinic measurement In that case effective functions can be for example Absorption spectrums of photo initiators Spectral sensitivity function Filter function for instrument comparisons In the Eff...

Page 20: ...he dosage display by the addition ef for effective Radiometric and effect related measure ments are illustrated subsequently Example radiometric Example with effective function The function Effective Function is only available if your UVpad E has been programmed with a customized effective function at factory ...

Page 21: ...ty of the calibration You can set up the real time clock in the menu Date Time First set the day with the keys and Se lect for the month the year the hours and minutes Confirm your settings with With you can cancel the settings at any time 9 3 6 Factory Settings Reset the UVpad E to the factory settings and confirm Confirm the restoration of the factory settings with With you can cancel the restor...

Page 22: ... Viewer the Microsoft NET Framework Version 4 0 or higher is required This is found on the installation CD or free of charge at www microsoft de 3 After completing the installation connect the UVpad E with the PC The UVpad E is integrated as a virtual serial interface The driver installation is taken out automatical ly under Windows 7 10 2 Connecting with the PC Connect the UVpad E with the PC and...

Page 23: ... can be compared in the display area based on spectra irradiance pro file or by means of measurement data The buttons EN and DE let you change the language German English When starting the software the measurements are automatically imported when an UVpad E is being detected Importing can take a few seconds During this time a progress bar displays the import If the UVpad E is not connected or not ...

Page 24: ...e max irradiance and dose will then be calculated in active view irradiance profile Working with different measurements You can select and compare different measurements You can also add a comment in the table before exporting data Note The UVpad E Viewer displays measurement settings and results as sensitivity saturation and errors Use mouse over function in table view this ...

Page 25: ...lect Export selected measurements or Export all measurements for the data export The measurements are exported as a text file separated by a comma and can thus be imported to a table calculation program such as Microsoft EXCEL The exported file contains all information to the measurement the spectrum and the irradiation profile Marked measurements appear in the display area as illustrated by the f...

Page 26: ... file jpg bmp tiff wmf 10 6 Displaying the Irradiance profile The irradiance profiles are separately available for all four spectral ranges For this purpose mark the desired measurements and select the desired spectral range on the tab Irradiance profile The following example illustrates an irradiance profile for all spectral ranges The data logging takes place adjustable between 10 and 250 ms Wit...

Page 27: ...ance Emax and the dosage D in the display area are displayed on the right 10 7 Deleting Measurements You can delete the entire memory of the UVpad E via the button Delete all measurements Confirm the confirmation prompt with OK Individual measurements cannot be deleted Tip Via the button Info the serial number and the assignment of memory space of the UVpad E are displayed ...

Page 28: ...The user interface is divided into sections All measurements received by the UVpad E are displayed in the display area The parameters that must be adjusted for a measurement can be found in the parameter area Once a measurement has been completed the user has the option of exporting a Single measurement or All measurements in the export area In contrast to the single measurement when exporting all...

Page 29: ... the UVpad E All other modes are suitable for special applications and are calculated in the PC In Manual mode an entire dark current spectrum is recorded which is later calculated with the spectrum If no dark current correction is to be carried out select the mode Without After starting a dark measurement or spectrum the selected number of averages is imported from the device The progress of a me...

Page 30: ...t results for irradiance are exported to a csv file The export of a single measurement only provides the averaged measurement result All measurement settings are also saved in the export file Note The subsequent modification of a parameter blocks both export options Tip To switch between German and English use the key combination Ctrl Shift d german Ctrl Shift e english ...

Page 31: ...are achieved if the measurement range is used to at least 50 After a measurement the value M should be higher than 50 Select a low or automatic sensitivity or set a short integration time When automatic sensitivity is set the spectrum and irradiance will be stored as the optimal measuring range is automatically found In the case of band systems it may happen that a maximum is recorded prior to the...

Page 32: ...lays Select a higher lower or automatic sensitivity or set a long integration time 12 5 The measured value is not reproducible Measurements are only stored and displayed in UVpad E when the saturation is between 10 and 100 This can cause to saturation direct under the light source however correct meas urement may be recorded before or after that Especially UV LEDs can lead to a correct meas uremen...

Page 33: ...adiation This can affect the calibration and lead to an early due date for a re calibration This can depend on the individual use the environment and the radiation sources 13 2 Cleaning Skin oil and contamination are absorbing in the UV spectral range and thus affect the meas urement result Finger prints or contamination on the optically active entrance opening are therefore generally to be avoide...

Page 34: ...a battery change switch the UVpad E off and turn it with the rear panel facing towards you Loosen the three marked screws with a screwdriver Torx T6 and remove the cover Remove the old lithium batteries carefully and replace them by new ones Close the cover again and tighten the screws carefully Please note Only use batteries which are suitable for up to 70 C Appropriate batteries can be obtained ...

Page 35: ...r high sen sitivity selected Use fixed sensitivity The UVpad E displays too high too low results Effect related measurement The optically active surface is contaminated The calibration is invalid wrong settings Check the settings for effect related measurements Clean the optically active surface Have the UVpad E re calibrated check integration time The UVpad E displays a sat uration MAX Measuremen...

Page 36: ...European Parliament and of the Council on the harmonization of the laws of the Member States regarding the provision of electrical equipment for use within certain voltage limits on the market Low Voltage Directive The conformity of the designated product with the provisions of the directive is verified by full compliance with the following standards DIN EN 60204 1 Safety of machinery Electrical e...

Page 37: ...15 Notes 37 15 Notes ...

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