Sherwood 420 Manuals

Sherwood 420 Manuals

Manuals and User Guides for Sherwood 420. We have 1 Sherwood 420 manual available for free PDF download: Operator's Manual

Sherwood 420 Operator's Manual

Sherwood 420 Operator's Manual (62 pages)

Flame Photometer

Brand: Sherwood | Category: Measuring Instruments | Size: 0.71 MB

Table of Contents

Short Form Instructions Model 420/425 Flame Photometer
2
Operation
2
Table of Contents
3
1 Introduction

6
- Contacting Sherwood Scientific
  6
- Using this Manual
  6
- Safety Precautions
  7
- Reagents
  8
  - Reference/Lithium Standard
    8
  - Blank Storage
    8
  - Purification
    8
- Dilutions
  8
  - Dilution Ratio
    10
  - Urine Samples
    10
  - Bluenotes Software Installation
    13
- Bluenotes
  17
- Warranty
  17
2 Installation

18
- Location
  18
- Services Required
  18
  - Electrical Supply
    18
  - Fuel
    18
  - Air
    18
  - Waste Container
    18
- Unpacking
  19
  - Accessory List
    19
- Assembly
  20
- Connecting Peripheral Devices
  24
  - Printer
    24
  - Computer
    24
  - Analogue Devices
    24
  - Auto-Sampler
    24
- Setting Date and Time
  25
- Setting Filter Factors
  26
- Setting Units
  26
- Setting Sample Delay (in Peak Mode)
  27
- Setting the Output Voltage
  27
- Setting the Analogue Damping Coefficient
  27
3 Principles of Operation

28
4 Performance Characteristics & Specifications

30
- Readout
  30
- Measurement Ranges
  30
- Specificity
  31
- Accuracy
  31
  - Linearity
    31
  - Drift
    31
  - Reproducibility (Using Peak Mode)
    31
  - Using Peak with Ref (Internal Standard) Mode
    31
- Warm up
  32
- Sample Requirements
  32
  - Type
    32
  - Method of Presentation
    32
  - Volume
    32
- Chart Recorder Output
  33
- Environmental Conditions
  33
  - Temperature
    33
  - Humidity
    33
- Power Requirements
  33
  - Voltage
    33
  - Power
    33
- Fuel
  33
- Air
  34
- Size
  34
- Weight
  34
5 Description of Instrument

35
- Front Panel Controls and Indicators
  35
  - Controls
    35
    
    Set
    35
    
    Blank
    36
    
    Single/Dual and Element Selection
    36
    
    Peak/Ref/Cont
    36
    
    Measure
    37
  - Description of Indicators
    37
    
    Cal (Ch1 & Ch2)
    37
    
    Single
    37
    
    Dual
    37
    
    Peak
    37
    
    Ref
    37
    
    Cont
    38
    
    Measure
    38
    
    Flame on
    38
    
    Power on
    38
- Rear Panel Controls and Connections
  38
  - Channel 1 & 2 Data Outputs
    39
  - Rs232/Printer Output
    39
  - External Device Output
    39
  - Power
    39
  - Gas
    39
  - Air
    39
  - Air Regulator
    39
- Operating Modes
  40
  - Single/Dual Mode
    40
    
    Single
    40
    
    Dual
    40
    
    Blanking
    40
    
    Calibration
    40
  - Peak/Cont
    41
    
    Peak
    41
    
    The Peak Cycle
    41
  - Ref Mode
    42
    
    Cont
    42
  - Blank
    42
6 Operating the Instrument

43
- Start up
  43
  - Compressor Start up
    43
  - Switch on
    43
  - Ignition Successful
    43
  - Required Blanking
    43
  - Required Calibration
    44
- Sample Measuring
  45
  - Measuring in Peak Mode
    45
  - Measuring in Continuous Mode
    45
- Automatic Operation
  45
- Sample Numbering
  46
  - Reset of Sample Number
    46
  - Repeat Sample
    46
  - QC Sample
    46
- Shutdown Procedure
  46
7 Operating Hints, Precautions & Limitations

47
- Hints
  47
- Operational Precautions and Limitations
  47
- Hazards
  48
- Measuring Calcium
  48
8 Cleaning and Maintenance Procedures

49
- General
  49
- Daily Maintenance
  49
- Weekly Maintenance
  49
- Monthly Maintenance
  49
- Six Monthly Maintenance
  50
- Nebuliser
  50
  - Operational Check
    50
  - Cleaning the Nebuliser
    51
- Cleaning the Mixing Chamber, Burner and Drain
  52
- Cleaning the Filters and Glass Chimney
  53
- Deproteinising or Disinfecting Procedure
  54
9 Accessories, Consumables & Spare Parts

55
- Ordering Information
  55
- Spares and Accessories
  55
- Reagents
  56
  - Bibliography
    57
Appendix A

57
Appendix B

58
Appendix C

60

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