Emerson Process Management 381 User Manuals

Table of Contents

• DESCRIPTION AND SPECIFICATIONS

  1
• Features and Applications

  1
• Sensor Specifications

  2
• Ordering Information

  3
• INSTALLATION

  5
• Installation

  5
• Submersion Installation (Code 02)

  5
• Insertion Installation (Code 00)

  7
• Flow Through Installation (Code 03)

  7
• Flow Powered Cleaner Installation (Code 04)

  7
• Wiring

  7
• Start-Up and Calibration

  14
• Model 381 pH and pHE

  14
• Model 381 ORP

  14
• MAINTENANCE

  15
• General

  15
• Periodic Maintenance

  15
• Troubleshooting

  16
• Preamplifier Troubleshooting

  18
• T.C. Element Maintenance

  18
• ULTRASONIC CLEANER

  21
• Ultrasonic Cleaner

  21
• Specifications

  21
• Installation

  21
• Operation

  22
• Maintenance

  22
• Replacement Parts

  22
• RETURN OF MATERIAL

  25
• ORP of Saturated Quinhydrone Solutions (in Millivolts)

  14
• Troubleshooting

  17
• Temperature vs. Resistance of Auto TC Element

  18
• Ro & R1 Values for Temperature Compensation Elements

  18
• Model 381 Spare Parts

  19
• Accessories

  19
• Dimensional Drawing

  3
• Mounting Drawing

  3
• Model 381 Sensor Component Locator Diagram

  6
• Submersion Installation Diagram

  8
• Insertion Installation Diagram

  8
• Flow Through Installation Diagram (Code 03 or 04)

  9
• Installation Details Low Flow Conditions Model 381 (Code 03-04)

  9
• Retro-Fit Kit and Code-04 Flow Powered Cleaner, Model 381

  10
• Flow Through Diagram and Wiring (Code 03 or 04)

  11
• Remote Junction Box with Internal Preamp

  12
• Wiring with Weatherproof or Div. 2 (Code 2) Junction Box

  13
• Model 381 Ultrasonic Cleaner and Wiring

  23
• Dimensional and Component Locator Ultrasonic Generator

  24