Difference between revisions of "Group Skills"
(Created page with ' The purpose of this page is to serve as a list of skills that new group members need to either already have, or acquire as they start to work in the group. ==Tubing and Fitting...') |
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| + | The purpose of this page is to serve as a list of skills that new group members need to either already have, or acquire as they start to work in the group. | ||
| − | + | == General Lab Skills == | |
| − | ==Tubing and Fittings== | + | === Tubing and Fittings === |
| − | ___ Types of fittings: swagelok, ultratorr (cajon), barbed, others | + | ___ Types of fittings: swagelok, ultratorr (cajon), NPT, barbed, other pipe (ISO, FPT...), others |
<br>___ Ferrules: front and back, how to put them in (use tube trick) | <br>___ Ferrules: front and back, how to put them in (use tube trick) | ||
<br>___ How to swage a fitting: 1 1/4 turns when new (less when re-doing) | <br>___ How to swage a fitting: 1 1/4 turns when new (less when re-doing) | ||
<br>___ How to tell whether a swagelok fitting is damaged | <br>___ How to tell whether a swagelok fitting is damaged | ||
| − | <br>___ How to tell whether an ultratorr fitting has all the parts | + | <br>___ How to tell whether an ultratorr fitting has all the parts and is assembled right |
<br>___ Types of valves: ball 2-way, 3-way, needle | <br>___ Types of valves: ball 2-way, 3-way, needle | ||
<br>___ Types of materials and when to use each: steel, brass, nylon, teflon, aluminum | <br>___ Types of materials and when to use each: steel, brass, nylon, teflon, aluminum | ||
| Line 16: | Line 17: | ||
<br>___ Tubing benders for large copper and steel | <br>___ Tubing benders for large copper and steel | ||
| − | ==Testing for Leaks== | + | === Controlling and Measuring Flows === |
| + | |||
| + | ___ Using the Gast air pumps / compressors (34 lpm free air displacement, only 1 use) | ||
| + | <br>___ Controlling flow with O'Keefe critical orifice set | ||
| + | <br>___ How to control larger flows (parallel orifices, drill orifices) | ||
| + | <br>___ How to control smaller flows (AMS style orifices) | ||
| + | <br>___ Measuring flows with a Drycal | ||
| + | <br>___ Measuring flows with a Gillibrator or bubble flowmeter | ||
| + | |||
| + | === Testing for Leaks === | ||
___ Making bubbles with Snoop (if system can be pressurized) | ___ Making bubbles with Snoop (if system can be pressurized) | ||
<br>___ Pressurizing the system and checking rate of P loss (if system can be pressurized) | <br>___ Pressurizing the system and checking rate of P loss (if system can be pressurized) | ||
| + | <br>___ Evacuating the system (with hand or electrical pump) and checking rate of P loss (if system can tolerate vacuum) | ||
| + | <br>___ Filtering the air into the system and using a CPC (for flow systems) | ||
| + | <br>___ Using a Helium leak detector | ||
| + | <br>___ Using the AMS mass spectrometer (for leaks in the AMS) | ||
| − | ==Making electrical and electronic connections== | + | === Making electrical and electronic connections === |
___ Making a new AC plug or socket | ___ Making a new AC plug or socket | ||
| Line 30: | Line 44: | ||
<br>___ BNC cables and connectors, and when to use them | <br>___ BNC cables and connectors, and when to use them | ||
<br>___ MHV and SHV connectors | <br>___ MHV and SHV connectors | ||
| + | <br>___ Using a multimeter: measuring AC, DC voltages | ||
| + | <br>___ Using a multimeter: testing continuity and open circuit | ||
| + | <br>___ Using a multimeter: measuring current | ||
| + | <br>___ Using a multimeter: measuring capacitance and inductance | ||
| + | <br>___ Using the high voltage probe | ||
<br>___ Using an oscilloscope | <br>___ Using an oscilloscope | ||
| − | <br>___ Using the high voltage probe | + | <br>___ Using an oscilloscope dividing probe |
| − | <br>___ | + | <br>___ Using the high voltage probe with the oscilloscope |
| + | <br>___ When do you need to use a grounding strap | ||
| + | <br>___ How to use a grounding strap | ||
| + | <br>___ Measuring voltages with a computer (NI USB, Labjack) | ||
| + | <br>___ Measuring voltages with a computer (PCI Cards) | ||
| + | <br>___ Generating voltages with a computer (NI USB, Labjack, PCI) | ||
| + | <br>___ Creating simple programs in Labview | ||
| + | |||
| + | === Measuring and controlling temperature === | ||
| + | |||
| + | ___ Types of thermocouples (we normally use yellow = K) | ||
| + | <br>___ Using a thermocouple display | ||
| + | <br>___ Using a thermocouple amplifier (1 mV per degree, use in F for better SNR) | ||
| + | <br>___ Changing the battery in a thermocouple amplifier (Lithium 3V, NOT AA 1.5V) | ||
| + | <br>___ Connecting a thermocouple amplifier to a multimeter | ||
| + | <br>___ Connecting a thermocouple amplifier to a computer | ||
| + | |||
| + | === Measuring and controlling humidity === | ||
| − | + | ___ Relative humidity probes | |
| + | <br>___ Stand-alone T & RH probe (with display) | ||
| + | <br>___ Humitter 50Y T & RH probe | ||
| + | <br>___ Salts for calibration of RH probe | ||
Revision as of 21:08, 18 September 2009
The purpose of this page is to serve as a list of skills that new group members need to either already have, or acquire as they start to work in the group.
Contents
General Lab Skills
Tubing and Fittings
___ Types of fittings: swagelok, ultratorr (cajon), NPT, barbed, other pipe (ISO, FPT...), others
___ Ferrules: front and back, how to put them in (use tube trick)
___ How to swage a fitting: 1 1/4 turns when new (less when re-doing)
___ How to tell whether a swagelok fitting is damaged
___ How to tell whether an ultratorr fitting has all the parts and is assembled right
___ Types of valves: ball 2-way, 3-way, needle
___ Types of materials and when to use each: steel, brass, nylon, teflon, aluminum
___ How to tell whether an ultratorr fitting has all the parts
tube)
___ Tubing cutters for metal and plastic
___ Tubing benders for large copper and steel
Controlling and Measuring Flows
___ Using the Gast air pumps / compressors (34 lpm free air displacement, only 1 use)
___ Controlling flow with O'Keefe critical orifice set
___ How to control larger flows (parallel orifices, drill orifices)
___ How to control smaller flows (AMS style orifices)
___ Measuring flows with a Drycal
___ Measuring flows with a Gillibrator or bubble flowmeter
Testing for Leaks
___ Making bubbles with Snoop (if system can be pressurized)
___ Pressurizing the system and checking rate of P loss (if system can be pressurized)
___ Evacuating the system (with hand or electrical pump) and checking rate of P loss (if system can tolerate vacuum)
___ Filtering the air into the system and using a CPC (for flow systems)
___ Using a Helium leak detector
___ Using the AMS mass spectrometer (for leaks in the AMS)
Making electrical and electronic connections
___ Making a new AC plug or socket
___ Making a new serial connector
___ Telling the difference between serial (9-pin), VGA (15-pin), and other connectors
___ Straight-thru vs. null-modem cables and adaptors
___ Loopback plugs (serial)
___ BNC cables and connectors, and when to use them
___ MHV and SHV connectors
___ Using a multimeter: measuring AC, DC voltages
___ Using a multimeter: testing continuity and open circuit
___ Using a multimeter: measuring current
___ Using a multimeter: measuring capacitance and inductance
___ Using the high voltage probe
___ Using an oscilloscope
___ Using an oscilloscope dividing probe
___ Using the high voltage probe with the oscilloscope
___ When do you need to use a grounding strap
___ How to use a grounding strap
___ Measuring voltages with a computer (NI USB, Labjack)
___ Measuring voltages with a computer (PCI Cards)
___ Generating voltages with a computer (NI USB, Labjack, PCI)
___ Creating simple programs in Labview
Measuring and controlling temperature
___ Types of thermocouples (we normally use yellow = K)
___ Using a thermocouple display
___ Using a thermocouple amplifier (1 mV per degree, use in F for better SNR)
___ Changing the battery in a thermocouple amplifier (Lithium 3V, NOT AA 1.5V)
___ Connecting a thermocouple amplifier to a multimeter
___ Connecting a thermocouple amplifier to a computer
Measuring and controlling humidity
___ Relative humidity probes
___ Stand-alone T & RH probe (with display)
___ Humitter 50Y T & RH probe
___ Salts for calibration of RH probe
