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774
Metrohm 774 User Manual
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1.3 Instrument description
774 Oven Sample Processor, In
structions for use
3
1.3 Instrument
description
1.3.1
Oblique view from the right-hand side
equipped with Coulometer cell
The socket strip:
Remote
interface
Mains switch
Mains connection
Fuse holder
Protective cover
Gas suppl
y
A
ir inlet filter
Connection for
outlet heater
Su
pp
ort rod
Outlet heater /
transfer hose
Coulometer cell
with generator-
and indicator
electrode
Magnetic stirrer
Plug cover
Sample rack with 36
places (including condi-
tioning position)
Lift
Guide rod
(adjust-
Guide head
Double
hollow needle
Oven with
protective jacket
8
10
Table of Contents
Table of Contents
3
Overview
7
Application Range
7
Application Possibilities
7
Instrument Description
9
Oblique View from the Right-Hand Side
9
Oblique View from Left-Hand Side
10
Rear View
11
The Socket Strip (Rear Panel)
11
Guide Head
12
Sample Rack
12
Sample Vials
13
Installation
14
Setting up the Instrument
14
Power Supply
14
Safety Considerations
16
Arranging the Accessories
17
Connecting the Keyboard
17
Equipping the Guide Head
18
Adjusting the Sample Rack
18
Adjusting the Needle Position
19
Installation of the Tubing System and the Drying Flask
20
Installation of the Measuring Cell
21
Integration
21
Remote Connections
22
External Bus Connections
25
Serial Connection (RS232)
26
Connecting a Printer
27
Introduction
29
Configuration
29
Basic Settings
29
Oven Settings
30
Rack Definitions
31
Dosing Units
32
RS232 Interface
33
Lock Keyboard Functions
34
Manual Operation
36
Methods and Sequences
39
Designing a Method
39
LEARN Mode and TRACE Function
40
Process Control
41
POWER-UP Methods
42
Oven Control and Gas Flow
43
Oven Control
43
Gas Flow
44
KF Moisture Determination
46
Detailed Description
49
The Display
49
The Keyboard
50
Individual Key Functions
51
Data Entry
65
Text Entry
66
Menu Organization
68
Configuration
69
Parameters
74
User Defined Methods
81
Command Reference
82
Printing Reports
91
Automatic Reports
94
Manual Reports
94
Sample Racks
95
Dosimats and Dosinos
98
Remote Interface
103
Operation Via RS232 Interface
107
General Rules
107
Calling up Objects
108
Triggers
109
Status and Error Messages
109
Error Messages, Errors
110
The Remote Control Tree
112
Overview
112
Mode
112
Config
114
Info
115
Setup
118
Usermeth
119
Assembly
119
Diagnose
121
Description of the Remote Control Commands
122
Mode
122
Config
125
Info
128
Setup
131
Usermeth
133
Assembly
134
Diagnosis
136
Properties of the RS232 Interface
137
Data Transfer Protocol
137
Handshake
137
Pin Assignment
141
What to Do if Data Transfer Fails
142
Appendix
143
Error Messages
143
Technical Data
146
Maintenance and Servicing
148
Maintenance / Service
148
Servicing / Care
148
Diagnosis
149
General
149
Preparing the Instrument
150
Main Memory (RAM)
151
Display
151
Keypad
152
Remote Interface
152
RS232 Interface
153
External Bus Interface
153
Beeper
154
Rack Code Recognition
154
Initialise Data Memory
155
Validation / GLP
158
Warranty and Conformity
160
Warranty
160
EU Declaration of Conformity
161
Certificate of Conformity and System Validation
162
Accessories
163
Index
165
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Metrohm 774 Specifications
General
Brand
Metrohm
Model
774
Category
Laboratory Equipment
Language
English
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