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EPPLEY PSP

Precision Spectral Pyranometer

Instruction Manual

6/92

COPYRIGHT (c) 1992 CAMPBELL SCIENTIFIC, INC.

Содержание EPPLEY PSP

Страница 1: ...EPPLEY PSP Precision Spectral Pyranometer Instruction Manual 6 92 COPYRIGHT c 1992 CAMPBELL SCIENTIFIC INC ...

Страница 2: ...s of merchantability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorization To obtain a Returned Materials Authorization RMA contact CAMPBELL SCIENTIFIC INC phone 435 753 2342 After an applications engineer determines the nature of the problem an RMA number will be i...

Страница 3: ...X USERS Slight ground potential differences are created along the 21X analog terminal strip when the datalogger power supply is powering external peripherals If the peripherals draw 30mA or greater the PSP must be measured differentially INPUT RANGE An example showing how to determine the optimum input range for a given sensor calibration and maximum irradiance follows This is an example only Your...

Страница 4: ...erval to arrive at total flux Solution 2 Record total flux using the high resolution format The drawback to high resolution is that it requires 4 bytes of memory per data point consuming twice as much memory as low resolution 4 CONNECTIONS Differential and single ended connections to the datalogger are shown in Figures 2 and 3 respectively AG in Figure 2 refers to Analog Ground in the CR10 which i...

Страница 5: ...e Range 0 001 15mV 1 wm 2 0 00861mV 1 74w Eppley temperature dependance 1 over range from 20 to 40o C Eppley linearity 5 over range from 0 2800wm 2 Eppley cosine response 1 over range from 0 70o 3 over range from 70 80o System accuracy calculation example When solar radiation 1117wm 2 at 10o from normal 1100wm 2 at 0o and the temperature is 25o C System accuracy square root of the sum of the squar...

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