Forma Scientific 3546 - 4.8 (Optional) Gas Guard Stock #190410

Forma Scientific, Inc.__________________________________________________Operation
4-9
A SPDT relay is provided for monitoring alarm conditions on the incubator.
Connections are made by means of an RJ-11, telephone style jack, located on the rear of
the cabinet. Figure 4-7 shows the connector wiring diagram. Any of the incubator alarms
will activate the relay.
4.7 Recorder Output
1 = Common
2
3 = Temp
4 = CO
2
Incubator temperature and CO
2
information may be directed to a recorder or
other data storage device from a four-pin
connector located on the back of the control
panel. The connector pin numbers are
identified in Figure 4-8 and are arranged as
they would be seen looking at the back of the
cabinet.
Figure 4-8
Recorder Output Jack
4.8 (Optional) Gas Guard, Stock #190410 (Refer to Figure 4-9)
Forma Scientific's stock # 190410 built-in Gas Guard is a monitoring and switching
device for incubator gas supplies.
The unit monitors a two cylinder gas supply. When the active supply tank is depleted,
an audible alarm sounds and the gas guard automatically switches to the second tank.