background image

 

Page 

11

 

2 Device description P 

-

 9710 optometer 

 

2.5 Description of the measurement ranges

 

 

Содержание P-9710 Series

Страница 1: ...sion E 141203 Gigahertz Optik GmbH An der Kaelberweide 12 D 82299 Tuerkenfeld Telephone 49 8193 93700 0 Telefax 49 8193 93700 50 info gigahertz optik de www gigahertz optik de Gigahertz Optik Inc 5 Perry Way Newburyport MA 01950 4009 USA Telephone 978 462 1818 Telefax 978 462 3677 Email b angelo gigahertz optik com Website www gigahertz optik de ...

Страница 2: ... P 9710 4 2 5 Description of the measurement ranges 2 6 Device overview 2 7 Detector interface 2 8 RS232 Interface Analog Output 2 9 Trigger input device variant P 9710 4 only 3 Performing measurements 3 1 Version Info 3 2 Quick start guide 3 3 P 9710 Menu Structure 3 3 1 General information 3 3 2 Menu Overview 3 3 3 Front panel buttons 3 3 4 Menu description Mode 3 3 5 Menu description Range 3 3 ...

Страница 3: ...ration 5 3 Service addresses A Appendix Measurement Modes A 1 I Effective A 1 1 I Effective Schmidt Clausen SC A 1 2 I Effective Blondel Rey BR A 2 Relative Logarithmic A 3 Pulse Energy A 3 1 Principle A 3 2 Pulse Energy Measurement 28 29 29 29 30 31 31 31 32 33 33 33 34 ...

Страница 4: ...ction against radiation risks affiliated with the measured objects Persons in charge of performing measurements and using the device are obligated to read and comply with the instructions given in this users guide before beginning any measurement Persons in charge of performing measurements and using the device must be well informed about accident prevention regulations in their field of work Hand...

Страница 5: ...ctional Safe operation of the device can be impaired due to one of the following circumstances Outdoor storage or storage in moist environment over a long period of time or other adverse conditions Excessive strain during transport e g due to improper packaging Operation in aggravated environmental conditions such as high temper atures humidity etc Operation in dangerous conditions explosive gas f...

Страница 6: ...the warranty to be effective the customer should submit the product name serial number date of purchase as well as the description of the defect in writing to Gigahertz Optik GmbH after which he she will re ceive a service number RMA enabling him her to send back the device The user is responsible for the appropriate packaging of the device Shipping through the user must be done on a free to buyer...

Страница 7: ...9 0 8193 93700 0 Telefax 49 0 8193 93700 50 Email info gigahertz optik de Website http www gigahertz optik de North and South America Gigahertz Optik Inc 5 Perry Way Newburyport MA 01950 4009 USA Telephone 978 462 1818 Telefax 978 462 3677 Email b angelo gigahertz optik com Website http www gigahertz optik com ...

Страница 8: ...thout the need to change or transfer calibration factors manually The P 9710 devices have built in batteries that are charged with the sup plied plug in power supply The capacity of the battery allows 5 hours of operation with display illumination on and 12 hours with illumination off 2 2 Inspection Upon receiving your device please check the package and all its parts for any possible damages that...

Страница 9: ...responding to calibration data ratio in percent logarithmic and as factor Signal amplifier Transimpedance amplifier 8 ranges 200pA to 2mA fixed range or autorange CW integration time 100µs 5 9999s Pulse integration time 10ms 199 99s Offset correction correction range transcending Parameter adjustment front panel keys or remote control adjusted values permanently stored in EEPROM 10 different overa...

Страница 10: ...ptometer P 9710 2 2 4 3 Optometer P 9710 4 Amplifier slew rate 20ms Temperature range operating 5 C to 40 C storage 10 C to 50 C Size weight 195mm x 100mm x 40mm 500g RoHS compatible Amplifier slew rate 2ms 10ms Amplifier slew rate 20ms Trigger input starts pulse energy measurement BNC female low active internal pull up 22 kOhm to 5V ...

Страница 11: ...Page 11 2 Device description P 9710 optometer 2 5 Description of the measurement ranges ...

Страница 12: ...Page 12 2 Device description P 9710 optometer 2 6 Device overview P 9710 Display Front panel with 10 buttons detector interface RS232 interface analog output plug for power supply ...

Страница 13: ...eter 2 7 Detector interface trigger input device variant P 9710 4 only DSUB 9 pin female function 1 input current 2 GND 3 connection detection GND by external detector 4 GND 5 SCL I2C EEPROM 6 GND 7 GND 8 5V Output Ri 100 Ohm 9 SDA I2C EEPROM ...

Страница 14: ...RIAD01 5pin Tyco 2 9 Trigger input device variant P 9710 4 only Pin TRIAD01 female function 1 Analog out Ri 10 kOhm 2 TXD has to be connected to RXD of PC 3 RXD has to be connected to TXD of PC 4 GND 5 GND 1 2 3 4 5 BNC female function inner conductor trigger input low active internal pull up 22 kOhm to 5V outer conductor GND ...

Страница 15: ...nfiguration is displayed press enter button to select press or buttons until Default Init is displayed press enter button to select P 9710 asks for confirmation Change Data press enter button to confirm or esc reset to abort now specific measurement parameters can be selected to perform a certain measurement task see 4 3 P 9710 Menu Structure as required 3 3 P 9710 Menu Structure 3 3 1 General inf...

Страница 16: ...ays the highest detected reading CW Minimum displays the lowest detected reading Peak Maximum shows the maximum detected peak level Peak Minimum displays the minimum detected peak level Peak to Peak displays the difference between the de tected peak maximum and peak minimum level I displays the measurment result regarding the distance between light source and detector as luminious intensity radian...

Страница 17: ...ent CW Level Check compares actual CW reading with previ ously defined limit values and indicates status Dose C accumulates the single readings and dis plays the result as exposure for measured quantity Logger x stores the single readings which are taken in predefined intervals up to a number of 12288 Remote RS232 enables the instrument to be controlled by a computer via the built in RS232 interfa...

Страница 18: ...ose CW Dis play sets dose measurement display mode Logger Time sets the sample time interval for the data logger mode Logger Synch Synchronization of measurement acquire clock to logger clock Display Digits adjusts the number of displayed digits 4 5 or automatic Zero Adjust Mode sets the mode for the internal zero adjust ment Pulse Meas Time needs to be set for the measuring modes I Effective SC I...

Страница 19: ...CW Level Check measuring mode CW Level Max sets the upper limit value required in the CW Level Check measuring mode Synchronisation selects how the measurement time period is adapted to the input signal Substitution enables disables substitution error com Trigger Input enables disables trigger input for pulse measurement only device variant 4 Code Number sets a four digit lock out access code Conf...

Страница 20: ...h or name of the connected detector CW Maximum displays the max CW value input signal Reset with reset esc key CW Minimum displays the min CW value input signal Reset with reset esc key CW Maximum and CW Minimum should not be confused with Peak Values Peak Values will be calculated for each integration period integration time out of the single ADC samples CW Maximum and CW Minimum stores the large...

Страница 21: ... time can be adjusted with Setup Pulse Meas Time The pulse length for result calculation can be adjusted with Setup IF Pulse Length The measurement distance for result calculation can be ad justed with Setup Meas Distance Pulse Energy measures single pulses and calculates the total energy over the adjusted measurement time Pressing the run stop key starts the meas urement The measurement time can ...

Страница 22: ...ement With key reset esc the dose value can be reset to zero With menu Setup Dose Run Time the max dose measurement time and with Setup Dose Maximum the max dose value can be adjusted If dose run time or dose max imum is reached dose measurement is automatically stopped If the key is pressed the pre set max dose measurement time upper row and the actual dose measurement time lower row will be disp...

Страница 23: ...tion of table entries from the calibration data table of the connected detector A certain table entry can be selected using the and key arrow keys Using the and arrow keys interpolation between the calibration table entries can be made 1nm step 3 3 7 Menu description Offset 0 sets the offset to zero CW selects the actual measurement value as the new offset value The off set value will be subtracte...

Страница 24: ...nt is automatically stopped Dose CW Display sets the display mode for dose measurement If CW Display is selected the upper display row shows the actual CW value and the lower display row shows the dose value If No CW Display is select ed the upper display row shows the dose value and the lower display row shows the dose unit Logger Time sets the sample time for logger mode 0 1s to 5999 9s and 0 Ev...

Страница 25: ...ould be set as short as possible to minimize offset errors produced by ambient light and detector dark current IF Time Constant adjusts the time constant for pulse calculation according to the formula of Schmidt Clausen 0 1s 5 9999s Pulse Length adjusts the pulse length for pulse calculation mode I Effective BR according to the formula of Blondel Rey 0 001s 9 999s Meas Distance adjusts the measure...

Страница 26: ...number For all further parameter setting inputs a new code number is not requested unless the P 9710 is swit ched off and switched on again Configuration selects an overall device parameter set up Default Init sets all parameters to factory default values Save Config stores the actual configuration all adjusted device parameters permanently at the configuration memory max 10 different configuratio...

Страница 27: ...ing measurements 3 4 Remote Interface RS232 The P 9710 can be controlled and values read out via RS232 interface by se lecting the menu Mode Remote RS232 The description of the remote interface is available upon request ...

Страница 28: ... be stored in the P 9710 Z1 2 connector P 9710 Z04 plug construction set for the RS232 inter face analog output P 9710 Z02 relay card for controlling signal lamps etc when using the level check functionality requires P 9710 Z01 for connectivity and an additional power supply S P9710 Application Software for all P 9710 vara iants full device control measurement routines data display and analysis re...

Страница 29: ...ter about 14 hours of charging time If the battery needs replacement please contact Gigahertz Optik GmbH to obtain a replacement and replacement instructions in case of the lead acid battery The lithium battery version needs to be repaired by Gigahertz Optik GmbH Obey national environmental laws when disposing the battery or the device 5 2 Calibration The calibration of the measuring device is con...

Страница 30: ...ld Telephone 49 0 8193 93700 0 Telefax 49 0 8193 93700 50 Email info gigahertz optik de Website http www gigahertz optik de North and South America Gigahertz Optik Inc 5 Perry Way Newburyport MA 01950 4009 USA Telephone 978 462 1818 Telefax 978 462 3677 Email b angelo gigahertz optik com Website http www gigahertz optik com ...

Страница 31: ...ometer head is delivered calibrated for illuminance in order to be universal But on special order the photometer head can also be calibrated in luminous intensity for a fixed distance Please refer to the calibration certifi cate for details regarding the calibration of your specific detector head The relationship between both quantities luminous intensity and illuminance is described by the invers...

Страница 32: ... C 0 1 s for day time observation C 0 2 s for night time observation A 1 2 I Effective Blondel Rey BR A futher method to calculate the effective luminious intensity of a signal light presented as a brief pulse is the method of Blondel Rey according to the fol lowing equation where ieff effective intensity i t intensity t pulse length dt t i C î dt t i î ieff t dt t i ieff 2 0 ...

Страница 33: ...ere X displayed quantity in dB or dBm x actual reading of the instrument xref reference value A 3 Pulse Energy A 3 1 Principle Pulse energy can be defined as the integral of the input signal over time which equates to the pulse area X exposure x t measured quantity as a function of time T flash duration time The P 9710 2 can measure pulse energy for pulse lengths down to 1µs even though the intern...

Страница 34: ...es the input signal for the defined time Pulse Measurement Time or until run stop key is pressed again The P 9710 calculates the sum integral over the time of the complete measurement window Pulse Measurement Time input signal measurement window pressing run stop key starts the measurement It is important that the pulse measurement is started by pressing run stop key some time 0 5s 1s before the p...

Страница 35: ...he P 9710 uses the last measured CW value before pulse measurement is started as offset value This mode has the advantage that small chang es of the offset value are compensated more effectively For continuous offset compensation it is important that the pulses are applied only after the pulse measurement is started not during the preceding CW offset measurement This is the reason why for infinite...

Страница 36: ...set as long as possible more then 100 pulses should be covered by the measure ment window to get a stable measurement result Example Pulse Energy Measurement of a Single 10µs Long Pulse Set P 9710 Parameters set menu Mode to Pulse Energy set menu Range to Auto set menu Setup Synchronisation to Not active set menu Setup Integration Time to 0 3000s set menu Setup Zero Measurement to Fixed Values set...

Страница 37: ...L is displayed repeat measurement until a valid measure ment result is displayed Example Pulse Energy Measurement of an Infinite Pulse Chain pulse length 10µs pulse frequency 50Hz Set P 9710 Parameters set menu Mode to Pulse Energy set menu Range to Auto set menu Setup Synchronisation to Not active set menu Setup Integration Time to 0 3000s set menu Setup Zero Measurement to Fixed Values set menu ...

Отзывы: