Teledyne 4220 Software Upgrades Controls, Indicators, and Connectors

4220 Flow Meter

Section 1 Introduction

Figure 1-1 Submerged Probe Level Sensor with Standard Tip

1.3.3Two Probes Available Teledyne Isco offers two different submerged probe level sensors for use with the 4220. The standard unit is intended for oper- ation in depths from 1 inch to 10 feet maximum. The other unit is capable of operation to depths as great as 30 feet. The difference in the probes is in the pressure transducer used inside. The two are not interchangeable. You must select the appropriate unit based on the maximum anticipated depth in your flow situation.

1.4Software Upgrades

1.5Controls, Indicators, and Connectors

Software for the 4200 Series Flow Meters can be upgraded without the unit being returned to the factory. With Flash Memory, software updates can easily be installed in the field with a disk, a computer, and a cable. For more information about installing software upgrades in the 4220 Flow Meter, see Section 6.

The controls, indicators and connectors of the 4220 Flow Meter are listed in Table 1-1,and their functions are briefly described. Refer to Figure 1-2for a view of the controls and indicators, and Figure 1-3for a view of the connectors and their pin functions.

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