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Lightmeter LM10

8.4. Technical information

Measurement range

Illumination intensity E

20000 lx

Infrared spectrum

200,00 W/m²

Ultraviolet spectrum

20000 mW/m²

Flicker rate

0...100 %

Calculation type

Ripple content according to SBM-2015
Flicker% according to IESNA

Flicker frequency

50 Hz...400 kHz

Resolution

Illumination intensity E

1 lx

Infrared spectrum

0,01 W/m²

Ultraviolet spectrum

1 mW/m²

Flicker rate

1 %

Flicker frequency

5 Hz

Audio functions

Audible range

20 Hz...20 kHz

Ultrasonic

10 kHz...400 kHz

Display

illuminated double-spaced LCD

Display functions

Illumination intensity, Peak-Hold, infrared, ultraviolet
flicker rate, flicker frequency

Ínterface

(LM10L/LS)

USB 2.0

Voltage output

(LM10S/LS)

quadruple 0...2000 mV

Power supply

2 x Mignon AA

Dimensions

120x79x28 mm

Ambient temperature

0...+40 °C

Measuring probe VL10

Spectral sensitivity

480...660 nm

Spectral approximation

V(λ)

Measuring probe IR10

Spectral sensitivity (λ

0,5

)

790...1050 nm, 940 nm

max

Measuring probe UV10

Spectral sensitivity (λ

0,5

)

220...365 nm, 350 nm

max

Subject to technical alterations.

Содержание Lightmeter LM10

Страница 1: ...easurement of the colour temperature with the measuring probe TF10 17 6 8 Signal analysis at the voltage output 17 7 Software FM Data 18 7 1 The program FM Data 18 7 2 Installing FM Data on Windows 2000 XP 18 7 3 Installing FM Data on Windows Vista 7 8 10 18 7 4 Installation of the USB Driver for the Lightmeter LM10 on Windows 2000 XP 20 7 5 Installation of the USB Driver for the Lightmeter LM10 o...

Страница 2: ...k for an exact time date specification The logger has 2 operation modes For the long term measurement of duration modes for punc tual recording the single point measurement Reading the stored measured values and the clearly laid out settings of LM10L functions on PC is done on PC via USB interface The FM Data software serves for the processing and documenta tion of recorded measured values 1 1 Com...

Страница 3: ... Lightmeter FM10L LS with a PC and for power supply with the USB power supply Art No 520 using the attached USB cable Voltage output 8 5 only LM10S LS Voltage output of single measured variables Sensor connector For inserting the various measuring probes Headphone connector A headphone can also be connected for audio functions instead of integrated loudspeaker The loud speaker is then deactivated ...

Страница 4: ...witch between various measuring probes with the Selection button visible light E max value Ê infrared light IR ultraviolet light UV colour temperature TF 2 2 Additional information When S is displayed in second line the audio mode for audible range is active USa stands for automatic ultrasonic range the most distinct ultrasonic frequency is transformed in audible frequency range USm displays the m...

Страница 5: ...in the menu mode with this Selection Menu button Various measuring probes are selected with this 3 4 The sensor for visible light is displayed by default The frequency scan is restarted in the automatic ultrasonic mode The frequency is increased in manual ultrasonic mode By pressing the button for two seconds LM10 is switched to menu mode 4 3 Next is selected in menu mode Record button Activating ...

Страница 6: ...nc tion is displayed by the symbol 3 3 Audio functions The Lightmeter LM10 has three audio functions to show the flickering of lamps acoustically The various audio modes can be selected by pressing the Audio button Scan mode Shows the flicker rate in and the dominant flicker frequency in kHz The acoustic reproduc tion is inactive This mode is shown by Sca on display If the illumination intensity i...

Страница 7: ...be connected to the headphone connector then the loudspeaker becomes inactive Using a headphone is recommended in noisy surrounding or in case of deeper frequencies as reproduction by loudspeaker is limited here 3 4 Switching of measurement function Besides the standard measuring probe various other measuring probes can be operated on Light meter LM10 for the range of visible light For this the me...

Страница 8: ... device are presented with data record name and starting time of recording Using the Selection and Audio buttons the data records can be scrolled through 5 3 Delete data memory Delete all the stored data records Logger mode Here one can select one of the two data logger modes Continuous measurement and single spot measurement 5 Measurement interval Selection of recording interval for the function ...

Страница 9: ...for audio function Tone generator Selection of the characteristic of tone signal proportional to field intensity 3 2 Calculation Calculation type of the light flicker Signal tone Activate deactivate a beep sound when pressing the button Auto Power Off If the Auto power off function is active the LM10 switches off five minutes after the last button press in order to prolong the battery life 4 3 Set...

Страница 10: ... schnell Settings Threshold value None 5 10 20 50 Measuring probe IR Activate Deactivate Measuring probe UV Activate Deactivate Measuring probe TF Activate Deactivate LCD lighting off 1 minute permanent Volume Low High Tone generator Steep Flat Calculation Ripple content Flicker Signal sound Activate Deactivate Auto Power Off Activate Deactivate Delete Peak Hold Table 3 Functions in menu mode 10 ...

Страница 11: ... 20 measuring points can be accepted The data set can be opened and the individual measuring points can be accepted using the Record button In the display the number of individual measuring points are displayed The dataset is closed automatically after the twentieth measuring point or it can be closed early by pressing the Record button for two seconds EP stands for single spot measurement followe...

Страница 12: ... the USB mode and in display appears USB mode Waiting for PC Now the communication between the Lightmeter LM10L LS and the PC is possible through the USB cable The communication takes place using the Program FM Data as described in Chapter 7 7 You can exit the USB mode using the Esc function of the On Sound button 12 ...

Страница 13: ...their full light intensity after few minutes 6 2 Measurement of the visible spectrum with the measuring probe VL10 The measuring probe VL10 provided with the Lightmeter LM10 combines the measurement of the illumination intensity E in Lux the flicker rate in and the flicker frequency up to 400 kHz using the quick precision amplifier The maximum values peak hold of illumination intensity and flicker...

Страница 14: ...ng frequency The visible spectrum must be measured using the measuring probe VL10 To precisely measure the flicker rate and flicker frequency of a lamp the influence of other light sources including daylight must be avoided The measurement must therefore be carried out in a dark room The LM10 must be aligned directly to the lamp using the measuring probe VL10 and get it closer till the measured va...

Страница 15: ...m approx 20 kHz to 150 kHz due to the integrated electronic power supply The flick ering rate is typically from 20 to 40 Brightness of an LED lamp Flicker rate 100 flicker frequency 49 Hz As the brightness of an LED responds almost without lag to its operating current a general state ment on the flicker rate and flicker frequency for these lamps is not possible The flicker rate can lie between 0 t...

Страница 16: ...nd audio functions are possible in a frequency range up to 400 kHz Spectral sensitivity of the measuring probe IR10 6 6 Measurement of the ultraviolet spectrum with the measuring probe UV10 With the measuring probe UV10 Article no 265 the ultraviolet spectrum can be measured in the range λ0 5 from 220 nm to 365 nm The unit is mW m Select the UV unit for the ultravi olet range using the selection b...

Страница 17: ...lay of the flicker rate the flicker frequency and the audio functions are not available 6 8 Signal analysis at the voltage output The Lightmeter LM10S LS has a voltage output for signal analysis 8 5 The entire measurement signal AC and DC is at connection no 1 and only the AC signal is at connection no 2 The AC voltage signal has auto range and is boosted by the factor ten under 1000 lx The bright...

Страница 18: ...ee of charge updates 7 2 Installing FM Data on Windows 2000 XP The software CD bundled with the Fieldmeter FM 10 contains the installation program setup exe which installs the program FM Data on your PC You should close all other applications before starting the installation After that start setup exe and follow the instructions of the installation program 7 3 Installing FM Data on Windows Vista 7...

Страница 19: ...Lightmeter LM10 Activate the authorisation level Execute program as administrator 19 ...

Страница 20: ... window of the hardware assistant appears on the screen Choose the answer No not this time to the question for a Windows update Click on continue Now choose install software from a list or certain source and click on continue Enter the source of the driver C programs Fauser Elektrotechnik FM Data driver If the FM Data CD is in the drive you can also enter search or CD ROM drive Click on continue 2...

Страница 21: ...m FM Data is ready for use 7 5 Installation of the USB Driver for the Lightmeter LM10 on Windows Vista 7 8 10 Connect the Lightmeter LM10L to your PC via the USB cable Turn on the LM10L and acti vate USB mode 3 1 The window of the hardware assistant appears on the screen Choose the answer No not this time to the question for a Windows update Click on search for drivers and install Now choose Do no...

Страница 22: ... that you carry out the following adjustments If the computer can use power down mode as usually used by notebooks it is required that you carry out the following adjustments Please select Control Panel from Windows Start and there select Hardware and Sound Start the device manager and select Custom USB Devices from the list of available hardware Click on Fieldmeter FM10 to open the properties dia...

Страница 23: ...ich shows the version number of the software In the program window you see the menu bar and the toolbar of FM Data The following icons are available in the toolbar Open dataset Save dataset Printing a measurement diagram Printing a measurement diagram as Bitmap Printing a measurement protocol Loading datasets from the FM10L Deleting datasets on the FM10L Loading device settings from the FM10L Prog...

Страница 24: ...e LM10L The name of the dataset start and end time of the record and the filter function are to see The name of the dataset is composed of DM for Continuous measurement and EP for Single spot followed by the number of the dataset Double click the dataset with the mouse pointer to mark it and using the button Load transfers the dataset from the LM10L to the PC The datasets remain stored in the LM10...

Страница 25: ...pointer under the diagram the corresponding measurement time points and the respective measured values can be read The colours of the individual measurement channels are visible in the legends below to the left On the left side of the diagram four icons are located Hide and or unhide the comment window Reset of the window s zoom function For each measurement value a point on the diagram curves is ...

Страница 26: ...opened the measurement values are shown in a bar chart The comment window to tag the separate measurement values opens through double clicking with the left mouse button The other functions of the graphic window are similar to those of the long term measurement 26 ...

Страница 27: ... its maximum size and choose the printer setting lateral before printing If the records are very large some printer drivers may yield incomplete printouts The graph is printed as screenshot via the File Print Bitmap menu option or via the icon This always creates a correct printout though the quality depends on the screen resolution If the lines in the diagram are very thin on the printed paper yo...

Страница 28: ...sing the menu bar Device LM10 Settings or with the icon setup the device settings are loaded and shown in the settings window Settings like time logger mode etc can be made now With the Button System Time the clock of LM10 adopts the current time of the PC In Settings the buttons for activating the selectable measuring probes on LM10 are available For selecting standard settings of LM10L press the...

Страница 29: ...e if required The LM10 gives a warning through a periodic beep shortly before turning off The power supply of LM10 can be established via USB connector with USB power supply Art No 520 When powered by power supply the batteries may remain in the device without being charged If the Auto Power Off function is active then LM10 turns off in case no button is pressed for more than five minutes 8 2 Main...

Страница 30: ... 5 Hz Audio functions Audible range 20 Hz 20 kHz Ultrasonic 10 kHz 400 kHz Display illuminated double spaced LCD Display functions Illumination intensity Peak Hold infrared ultraviolet flicker rate flicker frequency Ínterface LM10L LS USB 2 0 Voltage output LM10S LS quadruple 0 2000 mV Power supply 2 x Mignon AA Dimensions 120x79x28 mm Ambient temperature 0 40 C Measuring probe VL10 Spectral sensi...

Страница 31: ...anual batteries transport case Scope of delivery Lightmeter LM10L Art No 252 Lightmeter LM10L with data logger measuring probe VL10 for visible spectrum extension cable USB cable software CD FM Data manual batteries transport case Scope of delivery Lightmeter LM10LS Art No 253 Lightmeter LM10LS with data logger quadruple alternating voltage output measuring probe VL10 for visible spectrum extensio...

Страница 32: ...he resi dual waste is not allowed The disposal of old batteries in household waste is explicitly prohibited according to Battery Direc tive You can submit the old batteries at local collection points or in local stores free of charge You can return the batteries received from us after use at the address mentioned below free of charge Entsorgungsadresse Fauser Elektrotechnik Ambacher Straße 4 D 814...

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