Ht-instruments PVCHECK Bedienungsanleitung PDF herunterladen (Seite 61)

PVCHECK

EN - 59

10. TECHNICAL SPECIFICATIONS

10.1. TECHNICAL SPECIFICATIONS FOR PV INSTALLATION EFFICIENCY

Accuracy is indicated as [%reading + (no. of digits) * resolution] at 23°C ± 5°C, <80%HR

DC voltage

Range [V] Resolution [V] Accuracy

5.0  199.9

0.1

(1.0rdg + 2dgt)

200.0  999.9

0.5

DC current (by means of external clamp transducer)

Range [mV] Resolution [mV] Accuracy

-1100  -5

0.1

(0.5rdg + 0.6mV)

5  1100

The value of current is ALWAYS displayed with a positive sign: the value of current transduced in a voltage lower than 5mV is zeroed.

FS DC clamp [A] Resolution [A] Minimum read value [A]

1< FS  10

0.001 0.05

10< FS  100

0.01 0.5

100< FS  1000

0.1 5

DC power (Vmis > 150V)

Clamp FS [A] Range [W] Resolution [W] Accuracy

1< FS  10 0.000k  9.999k

0.001k

(1.5rdg + 3dgt)

(Imis < 10%FS)

(1.5rdg)

(Imis  10%FS)

10< FS  100 0.00k  99.99k

0.01k

100< FS  1000 0.0k  999.9k

0.1k

Vmis = voltage at which power is measured; Imis = measured current

Irradiance (with HT304N reference cell)

Range [mV] Resolution [mV] Accuracy

1  40.0

0.02

(1.0rdg + 0.1mV)

Temperature (with probe type PT300N)

Range [°C] Resolution [°C] Accuracy

-20.0  100.0

0.1

(1.0rdg + 1°C)

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 67 68

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