Emerson 381 instruction manual About This Document

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