Hach 621-691-086 Manuals

Manuals and User Guides for Hach 621-691-086. We have 1 Hach 621-691-086 manual available for free PDF download: Instrument Manual

Hach 621-691-086 Instrument Manual

Hach 621-691-086 Instrument Manual (52 pages)

Oxygen Scavenger Analyzer

Brand: Hach | Category: Measuring Instruments | Size: 1.21 MB

Table of Contents

Table of Contents
2
Section 1 Safety Precautions

4
- Use of Hazard Information
  4
- Precautionary Labels
  4
Section 2 Specifications

5
Section 3 General Description

6
- Unpacking
  6
- Overview
  6
- Principle of Operation
  6
Section 4 Installation

10
Section 5 Programming the Instrument

23
- Programming Overview
  23
- Setting the Alarms
  26
  - Threshold Alarms
    26
  - System Alarms
    26
- Temperature Compensation
  27
  - Automatic Temperature Compensation
    28
  - Manual Temperature Compensation
    28
- Programming Ma Outputs
  28
- Setting up the Display
  29
- Setting the Numeric Password (Code)
  30
- Adjusting the Ma Settings
  30
- Setting up the RS485 Outputs
  30
- Calculating the Average Concentration
  31
- Identifying the Software Version
  31
- Loading Default Values
  31
- Setting the Frequency of the Power Source
  32
- Using the Maintenance Function
  32
Section 6 Calibrating the Sensors

33
- Calibrating the Temperature Sensor
  33
Section 7 Maintenance

37
- Scheduled Maintenance
  37
- Unscheduled Maintenance
  37
  - Replacing the Fuse
    37
  - Cleaning the Instrument
    38
  - Cleaning the Measuring Block
    38
Section 8 Modbus Communication

39
- Introduction
  39
- Modbus Settings
  39
  - Baud
    39
  - Parity
    39
  - Stop Bit
    39
  - Swap Word
    39
- Modbus Function Codes
  39
  - Read Input Registers-Function Code 03
    40
- Write Input Register-Function Code 06
  40
  - Write Multiple Input Registers-Function Code 16 (10 Hex)
    41
  - Units Definition
    45
- Network Connections
  46
  - RS485 Connections
    46
  - Terminator
    46
Section 9 Troubleshooting

47
- Troubleshooting Error Messages
  47
- Detecting Electrical Faults
  48
Section 10 Parts and Accessories

49
Section 11 How to Order

50
Section 12 Repair Service

51
Section 13 Warranty

52

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