Teledyne 4220 1.3 Operating Principles

4220 Flow Meter

Section 1 Introduction

1-2

• 674 Tipping Bucket Rain Gauge

• High Low Alarm Relay Box

Non-Isco Products

• IBM Personal Computer or compatible clone with Isco

Flowlink software

• Laptop Computer with Isco software

• YSI 600 Multi-Parameter Sonde

Optional Accessories

• 4200T Modem - Speech-capable, with connector and

cable

• D.O. (dissolved oxygen) and pH parameter probes

• Submerged probe Extension Cables (Vented), in lengths

of 25 and 50 feet. (Maximum distance between probe

and flow meter with extension cables is 75 feet.)

• Quick-Disconnect Box for Sub merged Probe (Allows

installation of probe as far as 1000 feet from flow meter.)

• Isco Flowlink Software for data acquisition , storage, and

management

• Mounting rings and extensions for the submerged probe.

1.3 Operating Principles When measuring flow rate, the 4220 is normally used with a

primary measuring device (weir or flume) or other open channel

flow arrangement where a known relationship exists between

level and flow rate. You can also use the 4220 to measure flow

using the Manning equation. The level measuring device is a

submerged probe. The flow meter electronically converts the

level reading into a properly-scaled flow rate value. The flow

meter also provides standard or optional flow-related output

signals to be used for:

• Flow-proportional sampler pacing an d enabling

• Transmitting level an d flow data to an external device

on a serial communications loop

• Data transfer to a remote location through a modem

• Control of an external 4-20 mA device

• Data transfer by a laptop computer

The flow meter contains microprocessor-controlled circuitry to

calculate level and flow rates from the output produced by the

submerged probe, store user programming instructions, operate

the display and internal printer. An alphanumeric liquid crystal

display (LCD) shows current total flow, level, and flow rate infor-

mation. It also prompts you while you program the flow meter

during initial setup or subsequent program changes. An internal

printer provides a hard copy printout of the information com-

puted by the flow meter, plots level or flow rate, and generates

reports. Connectors for other equipment you can use with the

4220 Flow Meter are on the right side of the flow meter's case.

Contents

Main Page Foreword Page Page DANGER Hazard Symbols IMPORTANT PLEASE READ WARNING killed. Never Page Table of Contents i Section 1 Introduction Section 2 Programming Section 3 Installation Section 4 Submerged Probe Installation Section 5 Options and Accessories iii Section 6 Maintenance and Service Appendix A Replacement Parts Appendix B Accessories List Appendix C Programming Worksheets iv Appendix D General Safety Procedures Appendix E Material Safety Data Sheets List of Illustrations v List of Tables Page Section 1 Introduction 1.1 Description 1.2 Compatible Equipment 1.3 Operating Principles Page 1.4 Software Upgrades 1.5 Controls, Indicators, and Connectors Page Page 1-7 Table 1-1 Controls, Indicators, and Connectors Controls Settings Function Indicators Reading Function Connector Type Function 4220 Flow Meter 1.6 Technical Specifications Table 1-2 Technical Specifications for the 4220 Flow Meter Physical Specifications 1-9 Flow Conversion Table 1-2 Technical Specifications for the 4220 Flow Meter (Continued) Table 1-3 Technical Specifications for the 3222 Submerged Probe Physical Specifications Level Measurement Specifications 1.7 How to Make Battery Calculations Table 1-5 Battery Life Expectancy Page Page 00I5 + Page Section 2 Programming 2.1 Getting Started Page 2.2 Programming Procedure Page 2.3 Description of Program Steps Page Page Page Page Page 2.4 Interpreting the Program Screens Page Page Page Page Page Page Table 2-1 ASCII Output Codes Table 2-1 ASCII Output Codes (Continued) Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Section 2 Programming 2-41 Figure 2-3 YSI 600 Sonde Calibration Flow Chart Page Page Page Page Page Page Page Page Page Page Page Page Page Section 3 Installation 3.1 Introduction Page 3.2 Connection to a Power Source Page Page Page 3.3 Flow Meter Mounting and Installation Procedures 3.4 Quick-Disconnect Box Page 3.5 Extension Cables 3.6 Safety Considerations 3.7 Isco Sampler Interface Page Section 4 Submerged Probe Installation 4.1 General Mounting Considerations 4.2 Submerged Probe Nose Sections 4.3 Mounting Rings Page Page Page Page Flow Page 4.4 Other Mounting Techniques Table 4-1 Locating the Head-Measuring Point Page Page Page Section 5 Options and Accessories 5.1 4200T Modem Page Page 5.2 Connection to External Serial Device 5.3 4-20 mA Analog Outputs: External and Internal Table 5-1 4-20 mA Output Interface Specifications Table 5-1 4-20 mA Output Interface Specifications 5.4 Tipping Bucket Rain Gauge Table 5-2 Multiple Analog Output Board Specifications 5.5 Isco Flowlink Software 5.6 High-Low Alarm Relay Box DANGER 5.7 Parameter Sensing with Isco 4200 Series Flow Meters 5.8 The Temperature Probe 5.9 The pH Probe Page Page Page Page Page Table 5-3 pH Probe Specifications 5.10 The Dissolved Oxygen (D.O.) Probe Note Page Page Page Table 5-4 D.O. Probe Specifications 5.11 Installation of Parameter Probes in Mounting Rings 5.12 The YSI 600 Multiple Parameter Sonde Table 5-5 YSI 600 Probe Specifications 5.13 Mechanical Totalizer Table 5-5 YSI 600 Probe Specifications (Continued) Section 6 Maintenance and Service 6.1 Routine Maintenance and Minor Service 6.2 Reactivation of the Desiccators Page 6.3 Care of the Submerged Probe and Cables Page Page 6.4 Maintenance of the Printer Page Page 6.5 Servicing And Troubleshooting Page Page 6.6 Preliminary Troubleshooting Steps Page 6.7 Precautions for Servicing CMOS Circuitry 6.8 Using FLASH UPDATE Page Page Page Table 6-1 Minimum DOS and Computer Hardware Requirements Appendix A Replacement Parts Page Page Appendix A Replacement Parts A-4 Table A-1 Replacement Parts List No Part Num ber Complete Part Description Table A-1 Replacement Parts List (Continued) Page Appendix B Accessories List Page Page Page Appendix C Programming Worksheets C.1 Setup Page C.2 Flow Conversion: Level-to-Flow Rate C.3 Parameter to Adjust C.4 Reset Totalizer C.5 Sampler Pacing C.6 Sampler Enable C.7 Alarm Dialout Mode C.8 Printer C.9 Reports/History Page Page Appendix D General Safety Procedures D.1 Practical Safety Precautions Page Page D.2 Lethal Atmospheres in Sewers Page D-6 D.3 Hazardous Gases hazardous gases. Table D-1 Hazardous Gases D-7 D-8 D-9 Page Page E-2 *Optional Indicating Silica Gel Material Safety Data Sheet Buffalo, NY 14224 Section 1 - Material Identification and Information Section 2 - Physical/Chemical Characteristics Section 3 - Fire and Explosion Hazard Data E-3 *Optional Indicating Silica Gel Section 5 - Health Hazard Data Section 6 - Control and Protective Measures Section 7 - Precautions for Safe Handling and Use/Leak Procedures Section 1 Product and Company Information Section 2 Composition / Information on Ingredients Section 3 Hazard Identification E-5 Section 4 First Aid Measures Section 5 Fire Fighting Measures Section 6 Accidental Release Measures Section 7 Handling and Storage E-6 Section 8 Exposure Controls/Personal Protection Component Name Exposure Limits Section 9 Physical and Chemical Properties Section 10 Stability and Reactivity E-7 Section 11 Toxicological Information Section 12 Ecological Information Section 13 Disposal Information Section 14 Transportation Information Section 15 Regulatory Information Section 16 Other Information Index-1 Index Numerics A B C P Q R S T DECLARATION OF CONFORMITY Page CE Declaration of Conformity DECLARATION OF CONFORMITY Page Teledyne Isco One Year Limited Factory Service Warranty *