User Manuals: Contrec 415 Gas Flow Computer

User Manuals: Contrec 415 Gas Flow Computer

Manuals and User Guides for Contrec 415 Gas Flow Computer. We have 1 Contrec 415 Gas Flow Computer manual available for free PDF download: User Manual

Contrec 415 User Manual

Contrec 415 User Manual (81 pages)

GAS & STEAM FLOW COMPUTER

Brand: Contrec | Category: Measuring Instruments | Size: 0 MB

Table of Contents

Table of Contents
3
List of Symbols
5
1 Introduction

9
- Model Number Designation
  11
2 Specification

12
3 Operation

16
- Front Panel Operation
  16
- Flow Equations for Gases
  18
  - Ideal Gas Law
    24
  - General Gas
    26
  - Natural Gas
    27
- Steam Measurement
  28
- Filtering
  33
- Non-Linearity Correction
  35
  - Digital Input Linearity Correction
    35
  - Analog Input Linearity Correction
    37
- The Output Pulse
  39
4 Options

41
- The 4-20Ma Output Option
  41
  - Load Specification
    42
  - Calculation
    42
- The RS232/422/485 Interface Option
  45
  - Hardware
    45
  - Multipoint Communication
    46
  - Communication Protocol
    48
- Data Logging
  50
- The Relay Output Option
  51
5 Calibration

52
- Programming Chart
  54
- Definitions
  61
6 Input Circuits

64
- Frequency Flow Input
  64
- Analog Inputs
  69
- Remote Switches (Model 415A Only)
  72
7 Installation

73
- General
  73
- Wiring Designations for the Mode 415
  75
- Ex 410 Enclosure Dimensions
  77
Appendix

78
- Properties of Selected Gases
  78
- Index
  80

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