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425
User Manuals: Sherwood Scientific 425 Flame Photometer
Manuals and User Guides for Sherwood Scientific 425 Flame Photometer. We have
1
Sherwood Scientific 425 Flame Photometer manual available for free PDF download: Service Manual
Sherwood Scientific 425 Service Manual (34 pages)
Flame Photometer
Brand:
Sherwood Scientific
| Category:
Measuring Instruments
| Size: 0 MB
Table of Contents
Table of Contents
2
Introduction
5
Intended Use
5
Positioning and Services
6
Electrical Supply
6
Fuel
6
Air
6
Waste Container
6
Site Conditions
6
Performance Characteristics and Specifications
7
Specification
7
Warm up
7
Environmental Conditions
7
Temperature
7
Humidity
7
Installation Category
7
Front Panel Controls and Indicators
8
Controls
8
Set
8
Blank
8
Single/Dual and Element Selection
8
Peak/Ref./Cont
8
Print
9
Power 0/1
9
Indicators
9
Readout
9
CAL (Ch1 and Ch2)
9
Element Selection Indicators
9
Single
9
Dual
9
Peak
9
Cont
10
Ref
10
Measure
10
Flame on
10
Power on
10
Rear Panel Controls and Connections
10
Channel 1 & 2 Data Outputs
10
Rs232/Printer Output
10
External Device Output
10
Power
10
Gas
11
Air
11
Air Regulator
11
Cleaning and Maintenance Procedures
12
Instrument Description
13
General
13
Main Printed Circuit Board
13
Signal Sensing
13
Flame Sensing
13
Ignition Timing
13
Fuel Solenoid Control
13
Replacement Procedures
14
Printed Circuit Board
14
Solenoid Valves
14
Replacing the Coils
14
Restrictors
14
Gas Pressure Regulator
14
Air Pressure Switch
15
Ignitor
15
Flame Sensor
15
Photocell
16
Filters
16
Filter Factors
17
Spares
18
Ordering Information
18
EV1 General Arrangement
19
EV2 Front Panel Assembly
22
EV3 Main Chassis Assembly
24
EV4 Gas Chassis Assembly
26
EV5 Rear Mounted Components
29
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