MODEL 381 pH/ORP

 

TABLE OF CONTENTS

 

MODEL 381 pH/ORP SENSOR

 

 

LIST OF FIGURES

 

Figure No.

Title

Page

1-1

Dimensional Drawing

3

1-2

Mounting Drawing

3

2-1

Model 381 Sensor Component Locator Diagram

6

2-2

Submersion Installation Diagram

8

2-3

Insertion Installation Diagram

8

2-4

Flow Through Installation Diagram (Code 03 or 04)

9

2-5

Installation Details Low Flow Conditions Model 381 (Code 03-04)

9

2-6

Retro-Fit Kit and Code-04 Flow Powered Cleaner, Model 381

10

2-7

Flow Through Diagram and Wiring (Code 03 or 04)

11

2-8

Remote Junction Box with Internal Preamp

12

2-9

Wiring with Weatherproof or Div. 2 (Code 2) Junction Box

13

4-1

Model 381 Ultrasonic Cleaner and Wiring

23

4-2

Dimensional and Component Locator Ultrasonic Generator

24

About This Document

This manual contains instructions for installation and operation of the Model 381 pH/ORP Sensor.

The following list provides notes concerning all revisions of this document.

Rev. Level

Date

Notes

A

6/94-1/00

This is the initial release of the product manual. The manual

 

 

has been reformatted to reflect the Emerson documentation

 

 

style and updated to reflect any changes in the product offering.

B

5/02

Updated multiple drawings throughout manual.

C

3/05

Updates

D

10/07

Updated page 3 code 00 insertion is no longer available.

ii

Page 4
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Emerson 381 instruction manual About This Document