YOKOGAWA DP harp EJ 120 Series Manuals

Manuals and User Guides for YOKOGAWA DP harp EJ 120 Series. We have 1 YOKOGAWA DP harp EJ 120 Series manual available for free PDF download: User Manual

YOKOGAWA DP harp EJ 120 Series User Manual

YOKOGAWA DP harp EJ 120 Series User Manual (63 pages)

Differential Pressure and Pressure Transmitters

Brand: YOKOGAWA | Category: Transmitter | Size: 5 MB

Table of Contents

Table of Contents
2
1 Introduction

5
- Regarding this Manual
  6
- Trademarks
  6
- Safe Use of this Product
  7
- Warranty
  9
2 Handling Cautions

10
- Model and Specifications Check
  10
- Unpacking
  10
- Storage
  10
- Selecting the Installation Location
  11
- Pressure Connection
  11
- Waterproofing of Cable Conduit Connections
  11
- Restrictions on Use of Radio Transceivers
  11
- Insulation Resistance and Dielectric Strength Test
  12
- Installation of an Explosion-Protected Instrument
  12
  - FM Approval
    13
  - CSA Certification
    15
  - ATEX Certification
    17
  - Iecex Certification
    22
- EMC Conformity Standards
  24
- Pressure Equipment Directive (PED)
  24
- EU Rohs Directive
  25
- Safety Requirement Standards
  25
3 Component Names

26
4 Installation

27
5 Installing Impulse Piping

31
- Impulse Piping Installation Precautions
  31
  - Connecting Impulse Piping to a Transmitter
    31
  - Routing the Impulse Piping
    33
- Impulse Piping Connection Examples
  34
6 Wiring

35
- Wiring Precautions
  35
- Selecting the Wiring Materials
  35
- Connections of External Wiring to Terminal Box
  35
  - Power Supply Wiring Connection
    35
  - External Indicator Connection
    36
  - Communicator Connection
    36
  - Check Meter Connection
    36
  - Status Output Connection
    37
- Wiring
  37
  - Loop Configuration
    37
  - Wiring Installation
    38
- Grounding
  39
- Power Supply Voltage and Load Resistance
  39
7 Operation

40
8 Maintenance

52
- Overview
  52
- Calibration Instruments Selection
  52
- Calibration
  52
- Disassembly and Reassembly
  54
- Troubleshooting
  57
  - Basic Troubleshooting
    57
  - Troubleshooting Flowcharts
    58
  - Alarms and Countermeasures
    60
9 General Specifications

61
Revision Information

62

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