03/ 2012
BENNING SUN 2
13
8.2.2 Starting / stopping the data logger
- Press the key
7
(LOG) for > 5 seconds to activate the data logger. Display: "LOG".
- Press the key
7
(LOG) again and then the key
7
(OK) to confirm "run". The measured
values are written into the internal memory including a time / date stamp. The digital display
2
goes out and the device switches over into the energy-saving stand-by mode.
- Press any key to display the progress of the data logger. The digital display briefly goes on
and then goes out again.
- If you want to stop the data logger, press any key to display the data logger. Press the key
7
(LOG) and then the key
7
(OK) to confirm "StOP".
- Press the key
3
or
4
to exit the data logger.
8.2.3 Reading out the data logger via the USB interface
- Install the driver and the download software from the CD-ROM once.
- Connect the BENNING SUN 2 to your PC by means of the USB connecting cable and switch
the device ON.
- Start the download program, go to "Tools" and click "Refresh Ports".
- Select the COM port used and click "Download".
- The download of measured values starts.
Troubleshooting:
- One of the most frequent connection errors is the selection of the wrong COM port.
- If the measured values are not downloaded, verify the COM port used by means of the
Device Manager of your system.
- As soon as the BENNING SUN 2 has been connected to your PC by means of the USB
connecting cable, the hardware driver and thus the COM port used can be viewed in the
Device Manager under "Ports (COM & LPT)", e.g. Silicon Labs CP210x USB to UART
Bridge (COM14).
8.2.4 Setting the date and the time
- Press the key
5
to display the time / date on the digital display
2
.
- Press the key
5
again for > 5 seconds until the hour display starts flashing.
- Press the ► key
3
to select the time / date field (field is flashing).
- Press the ▲ key
4
or ▼ key
5
to increase or decrease the value.
- Press the key
7
(OK) to store the setting.
time / 24-hour display
►
day / month
►
year
►
8.2.5 Changing the displayed unit
- Press the
3
key for > 5 seconds until the displayed temperature unit starts flashing.
- Press the ►
3
key to select the respective unit for insolation or temperature.
- Press the ▲
4
or ▼
5
key to change between the units °C or °F or between the units W/m²
or BTU/hr/ft².
- Press the
7
key (OK) to store the setting.
9. Maintenance
Do not open the device. It does not contain any components requiring maintenance by the user.
Repair and service must be carried out by qualified personnel only!
9.1 Cleaning
Clean the exterior of the device with a clean dry cloth (exception: special cleaning wipers). Do not
use any solvents or abrasives to clean the device. Make sure that the battery compartment and
the battery contacts are not contaminated by leaking battery electrolyte.
If there are electrolyte contamination or white deposits in the area of the battery or the battery
housing, clean these areas as well by means of a dry cloth.
9.2 Battery replacement
The BENNING SUN 2 is supplied by means of two 1.5 V batteries of type AA (IEC LR6).
It is necessary to replace the batteries as soon as the battery voltage falls below 1.8 V (see
section 8.1.2).
Proceed as follows to replace the battery:
- Switch the BENNING SUN 2 off.
- Put the BENNING SUN 2 face down and slide the battery compartment cover off the bottom
