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CRYOMAGNETICS LM-510 Cryogen Monitor Manuals
Manuals and User Guides for CRYOMAGNETICS LM-510 Cryogen Monitor. We have
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CRYOMAGNETICS LM-510 Cryogen Monitor manual available for free PDF download: Operating Instructions Manual
CRYOMAGNETICS LM-510 Operating Instructions Manual (68 pages)
LIQUID CRYOGEN LEVEL MONITOR
Brand:
CRYOMAGNETICS
| Category:
Measuring Instruments
| Size: 1 MB
Table of Contents
Table of Contents
5
Introduction
7
List of Figures - Figure 1 - LM-510 / Dual Channel Lhe-LN2
7
Factory Calibrations, Installed Options and Certification
11
Instrument Setup and Sensor Connection
13
Line Voltage and Fuse
13
Connecting Sensors, Relay Functions, and Analog Outputs
13
Figure 2 - LM-510 Rear Panel
13
Figure 3 - Lhe Level Sensor Connector Wiring
13
Figure 4 - LN2 Level Sensor Connector Wiring
14
Figure 5 - Auxiliary Connector Wiring - DB-9F
15
Operation and Menus
17
Figure 6 - Front Panel Display
17
Menu Organization
18
Figure 7 - LM-510 Menu Hierarchy
19
Liquid Helium Level Channel
20
Mode
20
Alarm Set Points
20
Figure 8 - Lhe Channel Menu
20
Control Mode
21
Units
21
Boost
21
Sensor Active Length
22
Lead Resistance
22
Ohms Per CM
22
Liquid Nitrogen (Capacitive) Level Channel
22
Alarm Set Points
23
Control Mode
23
Figure 9 - Liquid Nitrogen Channel Menu
23
Units
24
Sensor Active Length
24
Offset / Gain
24
Setup Menu
25
Figure 10 - Setup Menu
25
Advanced Menu - Firmware Updates and LN2 Sensor Configuration
26
LN2 Sensor Configuration
26
Figure 11 - LN2 Sensor Configuration Menu
26
Firmware Update
27
Figure 12 - Firmware Update Menu
27
Control Interfacing
29
Analog Output
29
Automatic Refill
29
Figure 13 - Typical Automatic Cryogen Refill System
30
Using Ctrl as an Alarm
32
Theory of Operation
33
Liquid Helium Level Sensing (Superconductive Filament Probes)
33
Liquid Nitrogen Level Sensing (Capacitive Probes)
34
LM-510 Circuit Description
35
Limited Warranty Policy
37
Appendix A - Computer Interface Command Reference
39
Appendix B - Line Voltage Controller Module - Option 4
58
Appendix C - Factory Calibration / Firmware Updates
59
Liquid Helium Channels
59
Liquid Nitrogen Channels
59
Firmware Updates
59
Appendix D - Updated LN2 Probe Notes
60
Calibrate Empty Level
60
Calibrate Full Level
60
Appendix E - Helium Recondenser Controller Option
61
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