Delta NANOTRACE DF-745 Instruction Manual download pdf (Page 29)

Options DF-745 25

5 Options

The following options to the DF-745 are available at the time of order.

5.1 Key Lock

An optional key lock can be installed in the door of the analyzer to prevent access to the

power switch and other internal components. The lock is supplied with two keys.

If the analyzer is operating, the key lock does not prevent adjustments from the front panel.

5.2 Operating Voltage

The analyzer can be wired for operation at either 100-120 Volts AC or 200-240 Volts AC.

The operating voltage is not adjustable in the field.

5.3 Serial Communications

The analyzer can be set for communications by RS-232 or RS-485.

The serial communications option is not adjustable in the field.

See page 31, 65 and 67 for additional information.

5.4 Analog Voltage Output

The maximum analog voltage output can be set at the factory for 0-1, 0-2, 0-5 or 0-10

Volts DC.

The maximum analog voltage output is not adjustable in the field.

See page 32 and 55 for additional information.

5.5 Hydrogen Service Safety System

This option enables the analyzer to be safely used in a hydrogen background application.

See page 89 for additional information.

5.6 Vacuum Pump

An optional pump can be purchased to replace the aspirator in cases where there is

insufficient gas flow for the aspirator or when the analyzer is installed in a portable cart and

connection to an air supply is inconvenient.

NOTE: If a pump is being retrofitted to an analyzer configured with an aspirator, then the

aspirator assembly must be removed completely to uncover the pump power connector and

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Delta NANOTRACE DF-745 Instruction Manual Page 29