2390~2390B Transmitter Instruction Manual

Page 1

Instruction Manual Form 5233 May 1999

Type 2390 and 2390B

Type 2390 and 2390B Liquid Level Transmitters Contents Introduction

...............................2 Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Type 2390 and 2390B Transmitters . . . . . . . . . . . . 2 249 Series Sensors . . . . . . . . . . . . . . . . . . . . . . . . . 2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Test Equipment and Tools Required . . . Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

5 Pre-installation Requirements . . . . . . . . . . . . . . . . . . 6 Direct or Reverse Action Setup Verification . . . . . 6 Transmitter Orientation . . . . . . . . . . . . . . . . . . . . . . . 6 Mounting the Transmitter on a 249 Series Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Mounting the Transmitter for High Temperature Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

TYPE 2390 OR 2390B LIQUID LEVEL TRANSMITTER

TYPE 2390 OR 2390B LIQUID LEVEL TRANSMITTER

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Precalibration Considerations . . . . . . . . . . . . . . . . Matching the Transmitter to a 249 Series Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Zero and Span Adjustment . . . . . . . . . . . . . . . . . Recording the Sensor Span . . . . . . . . . . . . . . . . Securing the Unit for Shipment or Placing the Unit In Service . . . . . . . . . . . . . . . Determining Suspended Weight for Calibration . . . . . . . . . . . . . . . . . . . . Dry Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Principle of Operation . . . . . . . . . . . . . . . . . . . . Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . Checking Transmitter Hall-Effect Sensor Assembly . . . . . . . . . . . . . . . . . . . . . . . . Checking the Analog Output Meter . . . . . . . . . . . Removing the Transmitter from a 249 Series Sensor . . . . . . . . . . . . . . . . . . . . . . . 249 Series Sensor in Standard Temperature Application . . . . . . . . . . . . . . . . . 249 Series Sensor in High Temperature Application . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10 11 11 12 14 14

CAGED TYPE 249B SENSOR

14 14 15 17 18 18 20 21 21 21 21

W4067-1*/IL

Figure 1. Type 2390 or 2390B Liquid Level Transmitter and Typical Sensor

Printed Wiring Board Compartment Parts Removal and Replacement . . . . . . . . . . . . . . . Removing the Analog Output Meter . . . . . . . . . . Removing the Printed Wiring Board Assembly Removing a Potentiometer Assembly . . . . . . . . Removing and Re-installing the Transmitter Hall-Effect Sensor Assembly . . . . . . . . . . . . . Re-installing a Potentiometer Assembly . . . . . . Re-installing a Printed Wiring Board Assembly Re-installing the Analog Output Meter . . . . . . . .

22 22 22 22 22 22 22 22

D200364X012

Calibration

W4078/IL


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.