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K11 MK3
kruss K11 MK3 User Manual
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Maintenance
page 93
13.4
Downloading current firmware
1.
Go to our website
www.kruss.
de
.
Click on
Login
.
2.
Enter your
Username
and
Password
. Click on
Login
.
*
You
should
have
receiv
ed
the
user
name
and
pa
ssword
by
e-mail
s
hortly
after
delivery of the K11. If you do no
t have this information, pleas
e re
gister using the
link Please
register for a user
account
and follow the instructions.
3.
Click on
Download
.
94
96
Table of Contents
Default Chapter
3
Table of Contents
3
1 General Information
9
General Safety Instructions
9
Intended Use
10
Procedure if Repairs Should be Necessary
10
Technical Support
12
2 Introduction
13
3 Setup and Starting up
14
Transport
14
Location and Ambient Conditions
14
Levelling the Instrument
15
Connectors and Connections
16
Power Supply
16
Connecting the K11 Control Panel
16
Computer Connection (Optional)
17
Connecting an External Thermostat (Optional)
17
Assembling a Thermostat Jacket (Optional)
18
Assembling an External Temperature Measuring Probe (Optional)
20
Inert Gas Connector (Optional)
20
Installation of the Protocol Printer (Optional)
21
4 Operating the Instrument
22
Switching the Instrument on and off
22
Mains Switch
22
On/Off Key on the Control Pad (Switch on / Standby)
22
Resetting the Instrument
23
Warming-Up Time
23
Error Message Behaviour
23
The Control Panel (Overview)
24
The Display
24
Moving the Sample Stage
25
Safety Instructions
25
Moving the Sample Platform Using the Rotary Knob
26
Saving and Activating Standard Sample Platform Positions
26
The Keypad
27
Measuring Method Selection (Plate, Ring, Density)
29
Starting and Stopping Measurements
29
Entering Measuring Parameters
30
Changing the Basic Settings (Setup)
31
Illumination
32
Stirrer
32
Suspending the Measuring Probes
33
5 Cleaning Procedures
34
Cleaning the Sample Vessel
34
Step 1: Cleaning with Water
34
Step 2: Check Cleanliness
34
Step 3 (if Necessary): Scarfing
35
Step 4 (if Necessary): Cleaning with Oxidising Acid
35
Cleaning the Ring and Plate
35
Cleaning the Measuring Probe for Determining the Density
36
6 Preparing a Measurement
37
Safety Information
37
Working with Highly Flammable Liquids
37
Measurements at High Temperatures
37
Setting up and Filling the Sample Vessel
38
General Course of a Measurement
39
Data Transfer and Storage (Optional)
39
Check List before Starting a Measurement
40
7 Measurements with the Plate or Rod Method
41
Main Menu "Plate Method
41
Measuring Mode
41
Reading Limit
42
Interval
42
Wetted Length
42
Parameters for the Plate Method in Setup
43
Immersing Speed (MM/Min)
43
Detection Speed (MM/Min)
44
Immersion Depth (MM)
44
Measuring Surface Tension by the Plate Method
45
Measuring Interfacial Tension by the Plate Method
46
8 Ring Method Measurements
49
Measuring Parameters in the Main Menu of the Ring Method
49
Measuring Mode
49
Correction
50
Reading Limit
52
Heavy Density
52
Light Density
52
Relaxation / Switching to the Ring Tear-Off Mode
52
Ring Type
53
Parameters for the Ring Method in Setup
54
Measuring Speed
54
Detection Speed
54
Immersion Depth
55
Immersion Speed (MM/Min)
55
Measuring Surface Tension by the Ring Method
56
Measuring Interfacial Tension by the Ring Method
58
Interfacial Tension Pull
58
Interfacial Tension Push
61
9 Density Measurement
64
Parameters for the Density Measurement in Setup
64
Detection Speed (MM/Min)
64
Immersion Speed (MM/Min)
65
Measuring the Density
65
Entering the Density of a Different Probe
68
10 Basic Settings (Setup Menu and Special Functions)
69
First Page of the Setup Menu
70
Measuring Speed
70
Immersion Speed
70
Detection Speed
71
Acceleration Due to Gravity
71
Second Page of the Setup Menu
72
Immersion Depth
72
Sensitivity
72
Min. Standard Deviation
73
Number of Values for SD
73
Third Page of the Setup Menu
74
Stirrer Speed
74
Oscillating Period
74
Temperature Sensor
74
Language / Sprache
75
Fourth Page of the Setup Menu
76
Fifth Page of Setup Menu
77
Password
77
Set Defaults
77
11 Special Functions
78
Tare (0)
78
Key Beep On/Off (2)
78
Labdesk Output / Standard Output (3)
79
Print Setup (4)
79
Protection (5)
79
12 Data Transfer to External Media (Optional)
80
Printing out on a Protocol Printer
80
PC Transfer to Labdesk
81
Installation
81
Preparations
85
The Toolbar
86
Data Transfer
87
Data Export
88
Options and Settings
88
13 Maintenance
92
Checking the Shape of the Probes
92
The Ring
92
The Plate
93
Cleaning the Surface of the K11
93
Adjusting the K11
94
Downloading Current Firmware
95
14 Thermostatting the Gas Phase with the TJ20 (Optional)
98
15 Measuring Principles
101
Surface and Interfacial Tension
101
The Ring Method According to du Noüy
101
The Plate Method According to Wilhelmy
103
Ring and Plate Methods in Comparison
104
Density Measurement
105
Appendix
106
I Ranges of Validity for the Ring Correction Methods
106
Settings for Compatibility with the Tensiometer K10
107
Error Messages
108
Computer Requirements for Labdesk
110
Technical Data
111
Warranty and Caveat Emptor
111
Copyright and Right to Make Alterations
112
Index
113
4
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kruss K11 MK3 Specifications
General
Brand
kruss
Model
K11 MK3
Category
Measuring Instruments
Language
English
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