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C. Gerhardt GmbH & Co. KG
ce it in the receiver vessel (see also chapter 3.1. "Front View", pos. 21).
2. Fill the holder for the pH-electrode up to the marked level with potassium chloride solution 3.5
mol/l. You should store the electrode in here in order to prevent it from drying out.
4.5. Printer connector
Connect the enclosed printer cable between, the printer and Vapodest (LPT 2). Insert the mains
cable of the printer in a shock proof socket. You will find further information about the printer in the
enclosed instruction manual.
4.6. Connection to the balance
An electronic balance can be connected at the rear (COM 1, chapter 3.2, pos.13) to transfer the
weight of the samples to the Vapodest.
Set up the balance according to the instruction manual enclosed. Connect balance to Vapodest
using the data transfer cable. All balances with a standard RS 232 interface can be connected direct-
ly. Device drivers for various types of balances are provided and updated regularly. For the commu-
nication between balance and Vapodest you have to set up the following features:
- Data output:
external print command as stability
- Baud:
2400 Bd
- Parity:
Odd
If there are any problems with your balance please contact the manufacturer or C. Gerhardt.
4.7. Connection of store tanks
1. Set up store tanks for distilled water, sodium hydroxide solution, boric acid solution, and samp-
le waste under the work bench. You also have to provide a vessel for the titration acid. See
also chapter 14 "Tubing Diagram".
Use of the set of tanks KAN 50 (optional):
1. Connect the diode plugs of the level detectors to the distribution box and connect to the socket
level detection (chapter 3.2, pos.6).
4.8. Mains connection
Please check the nominal voltage on the identification plate before connecting to the mains.
1. Mains connection of the Vapodest:
- Make sure that the mains switch at the front of the equipment is off (i.e., in position "0")
- Insert appliance plug in rear outlet
- Connect mains cable to shock proof socket
2. Excess current switch:
Check if excess current release at the rear of the equipment is in position "1". This switch turns
the equipment off when it takes too much current.
ASSEMBLY AND INSTALLATION