Hach 8450 Manuals

Manuals and User Guides for Hach 8450. We have 1 Hach 8450 manual available for free PDF download: Instrument Manual

Hach 8450 Instrument Manual

Hach 8450 Instrument Manual (66 pages)

Residual Free Chlorine Monitor

Brand: Hach | Category: Monitor | Size: 4 MB

Table of Contents

Table of Contents
3
Safety Precautions
6
Specifications
7
Section 1 Introduction

9
- Introducing the Sigma Residual Chlorine Monitor Model 8450
  9
- Overview of Chlorine Characteristics
  9
  - Free Chlorine
    9
  - Probe Response and Effects of Ph
    9
Section 2 Installation

11
- Overview
  11
- Monitor Mounting
  11
  - Wall Mounting
    11
- Panel Mounting the 8450
  12
  - Panel Mounting Considerations
    12
  - Panel Mounting Sequence
    12
- Rail-Mount Mounting
  14
- Probe Mounting
  14
  - Submerged Probe Mounting
    14
  - Flow Cell Mounting
    14
- Electrical Connections
  16
  - Ac Power
    17
  - Relay (Alarms) and Output Connections
    17
  - Connecting the Probe
    17
- Ma Surge Protector
  18
  - Connections and Setup
    19
  - Test and Check Procedure
    20
  - Ma Device Connection
    20
- Data Communications
  21
  - RS232 Communications
    21
- RS485 Communications
  23
- Probe Preparation
  24
- New Membrane Pre-Qualification Testing
  24
- Probe Preparation Procedure
  25
Section 3 Operation

27
- Overview
  27
- Front Panel Display and Controls
  27
- Menus and Parameters
  28
  - Main Screen
    28
  - Main Menu
    28
- Accessing and Changing System Parameters
  28
  - Function Icon
    28
  - Arrow Icons
    29
  - Enter/Exit Icon
    29
- Factory Default Parameters
  30
- Adjusting Display Screen's Contrast
  30
- Initial Power-Up and Self Test
  31
  - Check* Messages
    31
  - Inhibiting Messages
    31
- LCD Menu Descriptions
  32
- Setting Main Screen Time, Date, Temperature, and Concentration Units
  33
- Setting Maximum Range
  33
- System Calibration
  33
- Frequency of Calibration
  34
- Considerations before You Calibrate
  34
- Zero Calibration
  36
  - Preparation
    36
  - Optimizing Zero Calibration
    36
  - Zero Calibration Procedure
    37
- Span Calibration
  37
  - Preparation
    38
  - Optimizing Span Calibration
    38
  - Span Calibration Procedure
    39
- Relative Probe Sensitivity
  39
- Alarm Setup
  40
  - Set Point Adjustment
    40
  - High Set Point Setup
    40
  - Low Set Point Setup
    40
  - Selecting Alarm Relay Options (Lfit)
    41
  - Check Alarm Relay Setup
    41
  - Alarm Time Delays
    42
- VMA Output Setup
  42
- System Security
  42
- Changing Site Location Designation
  43
- Changing Display Precision
  43
- Damping Adjustment
  43
- Optional Data Logger
  44
- SYS Menu
  48
  - Gpot
    48
  - Adc
    49
Section 4 Maintenance and Troubleshooting

51

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