Menus and Screens

30

More Psion and file handling notes

33

Navigating Psion directories and screens

33

The Workabout User Guide

33

Navigating the Psion directories and screens

33

Psion subdirectory usage in file select dialogs

34

Re-installing the SunData application icon

35

Deleting unwanted Workabout files

35

Flashcards - reformatting

35

Data memory management

36

Configuration and data file handling

36

SunData Configuration files

36

Data files

37

Displaying data files on your PC

38

The .PRN file

38

The .CSV file

38

Data file layouts and data groups

39

Measurement options

41

Experiment design

41

Above-canopy reference requirements

41

Canopy type and BFS practicalities

42

Canopy type and LAI estimates

42

Canopy Sampling volume

42

Preferred light and weather conditions

43

Planning for the sun’s position

43

Advice on Absorption and ELADP values

44

Absorption

44

ELADP

44

Relationship between Mean Leaf Angle and ELADP

45

SunScan System Measurement modes

46

Workabout setup

46

The Autolog function

47

Measurement procedures in the field

48

Probe handling in the field

48

BFS handling in the field

49

PAR calibrations

51

Environmental and moisture protection

53

LAI theory

54

Ingredients of the LAI computation method

54

Derivation of Wood’s SunScan canopy analysis equations

55

The major assumptions

55

Beer's law for canopy absorption

56

Campbell's Ellipsoidal LAD equations

56

Transmission of Diffuse Light

56

Modelling the canopy transmission

58

Accuracy of LAI calculations

60

Functions used to model canopy transmission

60

Diffuse light - cosine response sensor

60

Diffuse light - hemispherical response sensor

60

Modelling incomplete PAR absorption and scattering

61

Calculating zenith angles

62

Summary

62

Scientific references

62

Technical Reference section

64

4

Document code: SS1-UM-1.05

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Delta Electronics SS1-UM-1.05 Menus and Screens More Psion and file handling notes, Measurement options, LAI theory

SS1-UM-1.05 specifications

Delta Electronics has long been recognized for its innovative solutions in power and thermal management technologies. One of its notable products is the SS1-UM-1.05, a compact and efficient power supply module designed to meet the needs of a variety of applications, from industrial automation to telecommunications.

The Delta SS1-UM-1.05 is a key component in the company’s extensive portfolio, providing reliable and stable power supply for both demanding and sensitive electronic equipment. One of the main features of this module is its high efficiency, which typically exceeds 90%. This not only minimizes energy consumption but also reduces heat generation, making it an ideal choice for applications where thermal management is crucial.

Another significant characteristic of the SS1-UM-1.05 is its wide input voltage range, which allows it to operate effectively in various environments. The module supports a voltage range from 90 to 264 VAC, ensuring consistent performance even in fluctuating supply conditions. This versatility makes it well-suited for global applications, accommodating different electrical standards and requirements.

The SS1-UM-1.05 also boasts a compact footprint, which is essential for space-constrained installations. Its design emphasizes not only performance but also ease of integration into existing systems. The module provides multiple output voltage options, allowing it to cater to specific power requirements, whether it be for industrial machinery or consumer electronics.

In terms of technologies, the SS1-UM-1.05 incorporates advanced power conversion technologies that enhance its overall performance. It features overload protection and thermal shutdown mechanisms to safeguard both the module and the equipment it powers from potential damages due to electrical faults. Moreover, it has low electromagnetic interference (EMI) emissions, which is crucial for environments sensitive to electrical noise.

The SS1-UM-1.05 is also designed with a robust enclosure that adheres to stringent safety and environmental standards. This enhances its durability and reliability, ensuring it can withstand harsh operating conditions. With these features, Delta Electronics demonstrates its commitment to delivering high-quality products that meet the evolving needs of industries worldwide.

Overall, the Delta SS1-UM-1.05 power supply module is an exemplary solution for those seeking a reliable, efficient, and compact power source. Its advanced features and technologies make it an indispensable component in modern electronic systems.