ST801 Optical Power Multi Meter User Manual V2.0
Contents
1. T 09 01 05 11 15 00 ENTER Wavelength Ln Set wavelength Sent instructions L set n 0 5 ENTER Test mode Fn Set test mode Sent instructions F ENTER Hexadecimal Sent Instructions Table Instruction Instruction Function Remark name word Menu 4D Pick up and Sent instructions 4D 0D read main menu Real time 44 Real time Sent instructions 44 0D test power display History 48 Recall history Sent instructions 48 OD record record Time check 54 20 xx xx Set time For example 2F xx xx 2F 09 01 05 11 15 00 xx xx 20 xx Sent instructions xx 3A xx xXx 54 20 30 39 2F 30 31 2F 30 35 3A xx xx Od 20 31 31 3A 31 35 3A 30 30 0d Wavelength 4C Set Sent instructions 4C 20 33 0D set wavelength n 0 5 Test mode 46 Set test mode Sent instructions 46 20 30 0D VI Maintenance 1 The instrument should be avoided to shock hit fall off and other mechanical damage Meanwhile it should be avoided to touch acid alkali and other harmful matters 2 To keep the photoelectric sensor interface and laser connector interface clean do not use dirty or non standard adaptor tie in do not insert the bad polished interface otherwise the sensor interface and laser interface will be damaged Please clean the fiber jump line ceramic core interface using absorbent cotton and alcohol before it is operated After the alcohol is dry then you can use the instrument 3 When you use different kinds of adapte2. Single end for dual wavelength output free switch from 1310 nm and 1550 nm 5 200 groups of test data storage and management 6 Multi adapters FC SC ST LC 7 Handheld large LCD display easy to operate 8 under voltage indication 9 Auto power off in 10 minutes 10 Auto Backlight off in 60 seconds 11 USB communication 12 With real time clock function can real time display the current time provide recording time for data storage Ill Technical Specifications y optical power meter module 1 Wavelength range 800 1600 nm 2 Detector type InGaAs 3 Optical power test range 45 25dBm 4 Uncertainty 5 5 Resolution Linearity display 0 1 logarithm display 0 01dBm 6 y 1 2 i 2 3 gt Automatic frequency identification 270Hz 1KHz 2KHz optical source module Emitter type FP LD DFB LD Dual wavelength switch function 1310 20nm 1550 20nm Spectral line width lt 5nm Output optical power 2 7 dBm Short time stability of output optical power lt 0 05dB 15min Long time stability of output optical power lt 0 1dB 5h Others Low voltage indication There is indication when battery voltage is lower than 3 4V Time for auto power off 10 min Working duration for battery 70h the optical source and optical power meter work synchronously 2 4 5 6 7 140h only optical power meter work Battery 3 7V 2500mAh high performance rechargeable lithium battery Op
3. Optical Power Multi Meter User Manual V2 0 DTT YA CINTA Contents E ON 1 A Sie ieee Es 2 IIL Technical Specifications 0 0 ce ceeeesseseeseeeeteeeeeeeeens 2 IM YOU y eeu A dak tate eee hates 4 VOD Graton adv hicks tea 5 VI Maintenance ee nan aene aa 10 VII Faults amp Solutions coooocccnnnnccccnnnncccnnnnanccinananos 12 1 Summary Combining optical source and optical power meter in one Optical Power Multi Meter is a portable and intelligent instrument for optical network test There are inner 1310nm and 1550nm dual wavelength output optical source It can fulfill the functions of steady optical source and optical power meter at the same time and it realizes the loop test and two way automatic test lts single end test solution greatly advances the test efficiency The inner microprocessor and linearity magnification technology ensure the long time calibration and test accuracy Optical Power Multi meter can carry out not only the absolute and relative power test but also the optical loss test for fiber optical cable and optical passive devices automatically and it can save test results It is suitable for construction maintenance of fiber communication and CATV system meanwhile it is used for laboratory test and R amp D It is an ideal portable tool for fiber project staff Il Functions 1 Multi wavelength exact test 2 Absolute power test for dBm or pW 3 Relative power test for dB 4
4. e LCD screen and the function of auto backlight off is closed In the state of auto backlight off is closed press backlight key and wavelength key together auto backlight off mark displays on the LCD screen and the function of auto backlight off is open 7 Time check Press recall key and unit key together and lift up the two keys simultaneously the system enters time check state Press store key and select the time position which will be adjusted press the key A and W to adjust the selected time position Press browse key and wavelength key together and lift up the two keys simultaneously to adjust the time and exit time check state then enter normal state 8 Frequency automatic identification When optical signal has modulation information the system can identify optical signal of 270Hz 1KHz 2KHz automatically y Stable Optical Source Module After the instrument is powered on the default state of optical source module is in the closed state In the optical power test state press Mode key the instrument enters optical source output state Optical power1 does not display any data while optical power2 displays the modulation mode of the output optical signal CW 270Hz 1KHz 2KHz Enter the optical source output state no optical signal is output at first Wavelength of 1310nm and 1550nm can be chosen by press wavelength key After choose a wavelength modulation mode o
5. erating temperature O C 40 C Storage temperature 10 C 60 C Weight 0 2Kg Dimension 160mmx76 mmx28 mm IV Layout Browse Record Date and Time Save Record Auto Power off Wavelength Optical Auto backlight off Power 1 Power 2 5 4 2 6 1 V Operation y Introduction for optical power meter module 1 On Off key Pressing On Off key can open and close the tester The tester will use the auto power off as default status when you open the tester Turn off auto power off function In power on state press 3 key and dBm dB key together and lift up the two keys simultaneously you will see automatic power off mark O disappear from the screen Turn on automatic power off function In power on state press 3 key and dBm dB key together and lift up the two keys simultaneously you will see automatic power off mark Odisplayed on the screen 2 Unit key The instrument defaults the absolute measurement of optical power The value displayed by optical power1 means linear power value nW The value displayed by optical power2 means logarithmic power value dBm Press the dBm dB key system will switch to relative power test state In this case the value displayed by optical power1 means logarithmic power value dBm and the value displayed by optical power2 means relative power value dB 3 Wavelength key You can choose one of four kinds of wavelengths 850nm 1310nm 1550nm and 1625nm through t
6. f the output optical signal CW 270Hz 1KHz 2KHz can be selected by press A or Y When optical signal is output backlight mark will shine all the time Press Mode key again the system will return optical power test state In this case two modules can work at the same time y Other functions 1 Under voltage indication function When the voltage of battery is under 3 4V the signi will be displayed on the LCD screen the battery should be charged at once 2 Battery charge During the operation period if under voltage sign appearances please power off the instrument and charge the battery by using relative charger The indication light of charger is red when it is in charge and it will be green when it is full of voltage 3 Data communication function By using WINDOWS hyper terminal software baud rate is 19200 data bits is 8 bits stop bits is 1 bit no parity bit no flow control send commands according to the following table you can operate ST801 accordingly Character Sent Instructions Table Instruction Instruction Function Remark name word Menu M Pick up and Sent instructions M read main ENTER menu Real time D Real time Sent instructions D test power display ENTER History H Recall history Sent instructions H record record ENTER Time check T nn yy rr Set time A space between date and hh mm ss time For example 09 01 05 11 15 00 Sent instructions
7. his key The chosen wavelength will be displayed in the right top corner of the LCD screen When the instrument is power on it defaults the wavelength of 1310nm and circulates in order of 1310nm 1550nm 1625nm and 850nm 4 Save key The storage function for current test data can be realized by pressing this key Storage markkEwill be displayed on the LCD screen When the storage mark disappears from the screen it means data storage is completed The system can store 200 pieces of records When the storage groups exceed 200 pieces it will cover the first piece automatically 5 Browse key Press this key the browse markfedwill be displayed on the LCD screen this means the system is in data recall state The last saved data will be displayed on the LCD screen Press this key again and the browse mark disappears the system exits data browse state and returns to normal state In browse state press the key A can realize page up browsing function for saved data Press the key W can realize page down browsing function for saved data 6 Backlight key When power on the system defaults backlight on auto backlight off mark is displayed on the LCD screen At the same time auto backlight off function is open Pressing this key backlight is off pressing this key again backlight is on In the state of auto backlight off pressing backlight key and wavelength key together automatic backlight off mark disappears from th
8. r to test please screw the FC type adapter of the photoelectricity sensor and then insert the ceramic core of different adapter into the photoelectricity sensor to test Please keep the FC type adapter which is screwed carefully to avoid the dust After the test the FC type adapter should be screwed again 4 Please cover the dust proof cap of photoelectricity sensor and laser connector when the instrument is not operated for a long time to keep it clean and avoid the test error caused by circs that the sensor and laser connector uncovered in the air for a long time 5 To clean the sensor and laser connector interface regularly to ensure the veracity of test result 6 Please take the battery out if it is not used for long time to avoid the effect for battery life Notice When the instrument is being operated it is forbidden that the eyes look at the output end of laser instrument directly or the eyes or skin is likely to be burnt by the laser VII Faults amp Solutions Faults Reasons Solutions Dark LCD Low voltage of battery Charge the display battery Big test error Dirty sensor interface Clean the sensor interface Nothing Low voltage in battery others Power on again displayed after or charge the power on battery Notice Optical power multi meter defaults wavelength of 1310nm when it is open The instrument has four wavelength calibration points 1310nm 1550nm 1625nm 850nm Press
9. wavelength key and the wavelength circulates in order of 1310nm 1550nm 1625nm and 850nm When you choose a six wavelength optical power multi meter it has six wavelength calibration points 1310nm 1490 1550nm 1625nm 850nm and 1300nm Press wavelength key and the wavelength circulates in order of 1310nm 1490nm 1550nm 1625nm 850nm and 1300nm
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