Bedienungsanleitung Benning SUN 2 (Seite 13 von 17) (Deutsch, Englisch)

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BENNING SUN 2



8.1.1 Switching the BENNING SUN 2 ON/OFF

- Press the keys

and

at the same time for approx. 2 seconds to switch the BENNING

SUN 2 on. This will be confirmed by an acoustic signal. Press the keys again for > 2 seconds

to switch the device off.

- The BENNING SUN 2 is switched off automatically after approx. 2 minutes (APO, Auto-

Power-Off). It switches on again when the keys

and

are actuated.

8.1.2 Testing the battery condition

- During switch-on and operation, the BENNING SUN 2 carries out an automatic battery test.

- Discharged batteries are indicated by a battery symbol on the LC display. As soon as the

battery symbol appears, the batteries have to be replaced by new ones immediately (see

section 9.2).

- For testing the battery condition, press the key

for > 5 seconds to call the data logger.

"LOG" appears on the digital display.

- Alternately, the display shows the occupied / free memory space as well as the battery volt-

age / the measuring interval in minutes.

- As soon as the battery voltage falls below 1.8 V, immediately replace the batteries by new

ones in order to prevent incorrect measurements (see section 9.2).

- Press the key

to exit the data logger.

8.1.3 Measuring the insolation (solar irradiance)

- After having switched the BENNING SUN 2 on, the insolation is displayed continuously on

the digital display

- Solar irradiance below 100 W/m² are not indicated. Display: "- - - ".

- Place the BENNING SUN 2 onto the surface of the photovoltaic module and press the

key

, if necessary, to store the measured value temporarily in the digital display.

- To store the insolation value for a longer period of time, please use the data logger as de-

scribed in section 8.2.

8.1.4 Measuring the module temperature and the ambient temperature

- Connect the module / ambient temperature sensor   to the BENNING SUN 2 by means

of the jack .

- Press the key

to display the module temperature (TPV) and the ambient temperature

(TA).

- Bring the module temperature sensor  into contact with the PV module and wait until the

temperature sensor has measured the temperature of the PV module.

- To store the module temperature and ambient temperature values for a longer period of time,

please use the data logger as described in section 8.2.

insolation ►

PV module temperature

►

ambient temperature

►

8.1.5 Measuring the angle of inclination

- Press the key

to display the angle of inclination and the compass bearing.

- The angle of inclination with respect to the horizontal is indicated continuously on the digital

display

- Place the BENNING SUN 2 onto the surface of the photovoltaic module and press the HOLD

key

, if necessary, to store the measured value temporarily in the digital display.

insolation ►

angle of inclination

►

compass bearing

►

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