
4220 Flow Meter
Section 1 Introduction
This section provides a general introduction to the 4220 Sub- merged Probe Flow Meter. It includes a description, an expla- nation of how the unit operates, and technical specifications.
Manual Organization
This manual provides the information necessary to operate, maintain, and perform minor service on the 4220. The manual is organized into five sections:
•Section 1: Introduction, operation, and specifications
•Section 2: Keypad operation and programming for all 4200 series flow meters
•Section 3: Installation and options
•Section 4: Installation of the Submerged Probe
•Section 5: Options and Accessories
•Section 6: Maintenance, Service, Troubleshooting, and Upgrades
1.1 Description
1.2Compatible Equipment
Following Section 6 are appendices covering replacement parts, accessory parts, worksheets, and safety information.
The 4220 uses a submerged probe level sensor to measure level. The flow meter is normally used with some type of primary mea- suring device for measuring flow in an open channel. The 4220 has
The 4220 Flow Meter may be used with the following equipment:
Manufactured by Teledyne Isco
•3700 Series Sequential, Composite and Refrigerated Samplers
•6700 Series Portable and Refrigerated Samplers
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•581 Rapid Transfer Device