Teledyne operating instructions Front Panel Description, Introduction Model 3300TB, Set Alarm

1 Introduction Model 3300TB

•Three analog outputs: two for measurement (0–10 V dc, and negative ground 4–20 mA dc) and one for range identification (0-10 V dc).

•Compact and rugged Control Unit, wall mounted NEMA-4 rated enclosure.

•RS-232 Serial Digital port for output of concentration and data to a computer terminals, or other digital devices.

•ASampleflowcontrolvalve.

1.3Front Panel Description

All controls except the power switch are accessible from the door and gas panel. See Figure 1-1. The front panel has seven pushbutton membrane switches, a digital meter, and an alarm indicator LED for operating the analyzer. These features are described briefly here and in greater detail in Chapter 4, Operation.

Figure 1-1: Front Panel

Function Keys: Seven pushbutton membrane switches are used to select the function performed by the analyzer:

• Set Alarm 1	Set Alarm 1 Hi or Low, and the concentration at
	which alarm 1 activates.

•Set Alarm 2 Set the Alarm 2 Hi or Low, and the concentration to which alarm 2 activates.

1-2 Teledyne Analytical Instruments