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EKO MS-56, Instruction Manual

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EKO MS-56 Instruction Manual Download Page 24

EKO INSTRUMENTS CO., LTD. MS-56 Pyrheliometer Manual Ver.5

 

Pg. 23 

 

APPENDIX   

 

 

A - 1 .   S y m b o l s  

 

Table A-1    Definitions of Symbols 

List of symbols 

Definitions 

Units 

E

 

Output Voltage 

μ

V 

S

 

Sensitivity 

μV/W

･

m

-2

 

t

 

Time 

s 

τ

 

Response Time 

s 

T

 

Temperature 

°C 

I

 

Solar Irradiance 

W/m

2

 

 

 

Summary of Contents for MS-56

Page 1: ......

Page 2: ...s 5 4 Introduction 6 4 1 Introduction 6 4 2 Content of Delivery 7 5 Getting Started 8 5 1 Parts Descriptions 8 5 2 Setup 9 5 3 Operation 14 6 Maintenance Troubleshooting 15 6 1 Maintenance 15 6 2 Cali...

Page 3: ...ion www eko usa com info eko usa com EKO INSTRUMENTS USA Inc 95 South Market Street Suite 300 San Jose CA 95113 USA Tel 1 408 977 7751 Fax 1 408 977 7741 2 2 Warranty and Liability For warranty terms...

Page 4: ...nts Disposing of this product correctly will help save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate...

Page 5: ...harmonized standards of other normative documents Harmonized standards EN 61326 1 2006 Class A Emission EN 61326 1 2006 Immunity EN 61000 4 2 EN 61000 4 3 EN 61000 4 4 EN 61000 4 5 EN 61000 4 6 EN 610...

Page 6: ...manual thoroughly to be able to operate the instrument safely in the correct manner WARNING CAUTION Attention to user pay attention to the instructions given on the instruction manual with this sign 3...

Page 7: ...s a unique fast response time 1s 95 high sensitivity excellent thermal stability and very low temperature coefficient to make it hardly immune to ambient temperature variations therefore it is suitabl...

Page 8: ...LTD MS 56 Pyrheliometer Manual Ver 5 Pg 7 4 2 Content of Delivery Check the package contents first if any missing item or damage is noticed please contact EKO immediately Figure 4 1 Package Contents S...

Page 9: ...Although the MS 56 dimensions are relatively small it has a full 5 opening angle and 1 slope angle geometry The front aperture has a unique integrated alignment sight for easy and precise alignment o...

Page 10: ...of the mounting plate If the mounting plate is the 2 hole version it is necessary to replace with 3 hole version See following 2 How to Replace Mounting Plate Optional 2 Remove the knurling nut from...

Page 11: ...lectrical Connection Prepare the following tool for installation One Allen Key 2 5 for M3 screw How to Replace 1 Remove the 4 fixing screws M3 x 15mm which are securing the X Y Axis adjustment unit on...

Page 12: ...3 x 15mm on X Y Axis adjustment unit then detach the X Y Axis adjustment unit from the mounting plate 4 Remove 2 fixing screws M3 x 15mm for mounting plate Detach the mounting plate from the Sun Track...

Page 13: ...Check to make sure all the screws are placed back in their positions 3 Electrical Connection In order to measure the solar irradiance the MS 56 should be connected to a measurement device in most case...

Page 14: ...lded cable is connected to the data logger ground the pyrheliometer should be electrically isolated from the sun tracker system or the sun tracking system should not be connected to ground 4 Sight Spo...

Page 15: ...xpression I W m 2 Direct Normal Incidence solar irradiance E V Output voltage of the sensor S V W m 2 Sensitivity Indicated on the calibration certificate 2 Calculate Direct Horizontal Incidence Solar...

Page 16: ...l conditions affected by Rain Snow Ice Dust Sand or Salt Environmental factors like frequent rain fall can also have a positive effect on cleaning by washing off any sand or dust particles For specifi...

Page 17: ...e to reddish color Pyrheliometer alignment Check sights for alignment When the sight spot cannot be confirmed clean the through hole with a pin to remove the water and or dirt Recalibration Every 2 ye...

Page 18: ...rect irradiance data To improve the calibration accuracy and minimize the measurement uncertainty several operating criteria are applied 2 Calibration Uncertainty and Traceability The criteria for the...

Page 19: ...problem found from the above check the output with another measurement device to make sure the actual data logger or measurement device is functioning properly The sensor signal is unrealistically hi...

Page 20: ...Non Stability Change per year 0 5 1 0 5 Expected Daily Uncertainty 1 1 Irradiance Range 0 2000W m 2 Spectral Range FWHM 200 4000nm Sensitivity Approx 10 V W m 2 Detector Impedance 25 C Approx 5 kOhms...

Page 21: ...g a low heat capacitance and high thermal conductivity responds quickly to changes of the solar radiation To keep the detector output stable and in perfect thermal balance during changing environmenta...

Page 22: ...hly stable 1000 W m 2 light source 0 3 variance during total measurement sequence is used With each MS 56 measurement report Temperature Dependency Test Report is issued indicating the measured temper...

Page 23: ...Accessories Table 7 2 Accessories List Accessories Details Cable Length 20 30 40 50m STR 21 22 Mounting Jigs Fixing Ring Mounting Plate 3 holes Drying Cartridge Drying Cartridge Replacement Silica Gel...

Page 24: ...Pyrheliometer Manual Ver 5 Pg 23 APPENDIX A 1 Symbols Table A 1 Definitions of Symbols List of symbols Definitions Units E Output Voltage V S Sensitivity V W m 2 t Time s Response Time s T Temperatur...

Page 25: ...8010 55170 52480 49940 47540 45270 43110 41070 39140 37310 35570 33930 32370 30890 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 29490 28150 26890 25690 24550 23460 2...

Page 26: ...96 5 96 9 97 3 97 7 98 0 98 4 98 8 99 2 99 6 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 100 0 100 4 100 8 101 2 101 6 102 0 102 3 102 7 103 1 103 5 103 9 104 3 10...

Page 27: ......

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