ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
73
|
Tue Nov 6 23:45:38 2007 |
tobin | Configuration | Computers | tektronix scripts! | I cooked up a little script to fetch the data
from the networked Tektronix scope. Example
usage:
|
|
1769
|
Tue Jul 21 17:01:18 2009 |
pete | DAQ | DAQ | temp channel PEM-PETER_FE | I added a temporary channel, to input 9
on the PEM ADCU. Beware
the 30, 31, and 32 inputs. I tried |
|
13214
|
Wed Aug 16 16:05:53 2017 |
Kira | Update | PEM | temp sensor PCB | Tried taking the circuit from the breadboard
to the PCB. I attached all the components
to adapters that would allow them to be connected |
 |
13224
|
Thu Aug 17 10:41:58 2017 |
Kira | Update | PEM | temp sensor PCB | Got it to work. One of the connections
was faulty. I decided to check the temperature
measured against a thermometer. The sensor |
|
13232
|
Mon Aug 21 13:07:08 2017 |
Kira | Update | PEM | temp sensor PCB | On Friday, I cleaned up the circuit so
that there are only three connections needed
(+15V, -15V, GND) and a BNC connector for |
  |
7244
|
Tue Aug 21 15:26:04 2012 |
Steve | Update | PEM | temp sensor for vacuum | Temperature sensor for vacuum. How many
: 2 or 3 ? $350 each
Glass encapsulated thermistor |
|
13651
|
Thu Feb 22 16:16:43 2018 |
Kira | Update | PEM | temp sensor input | Rewired the temperature sensor inputs to
Molex connectors so that we can now attach
them to the +/- 15V Sorensens for input instead |
|
13656
|
Mon Feb 26 16:22:10 2018 |
Kira | Update | PEM | temp sensor input | [Kira, Gautam]
We began the setup for the lab
temperature sensor today. First, we needed |
  |
13660
|
Wed Feb 28 12:31:28 2018 |
Kira | Update | PEM | temp sensor input | I switched out the DIN fuses for the long
cables and it fixed the issue of them
not showing any votage on the other end. |
|
13209
|
Tue Aug 15 11:50:21 2017 |
Kira | Summary | PEM | temp sensor packaging/mount | For the final packaging/mounting of the
sensor to the seismometer, I have thought
of two options. |
|
13285
|
Fri Sep 1 15:46:12 2017 |
Kira | Update | PEM | temp sensor update | I took off the AD590 and attached it to
two long wires leading out from the board.
This will allow us to attach the sensor to |
|
13295
|
Tue Sep 5 17:18:17 2017 |
Kira | Update | PEM | temp sensor update | Today, I stuck on the sensors to a metal
block using a flag, rubber bands, and some
thermal paste (1st attachment). I then wrapped |
 |
13296
|
Tue Sep 5 17:52:06 2017 |
Kira | Update | PEM | temp sensor update | to get the sensors to read the same values
they have to be in direct thermal contact
with the metal block - there can't be |
|
13303
|
Fri Sep 8 10:22:30 2017 |
Steve | Update | PEM | temp sensor update | The weight of SS can with copper liner
is 12.2 kg
Is 1 Amp for the heating jacket |
|
13311
|
Tue Sep 12 11:44:16 2017 |
Kira | Update | PEM | temp sensor update | Got it to work. A cable was broken and
the AD586 also broke at the same time so
it took a while to find the problem. I had |
|
1161
|
Mon Nov 24 19:15:16 2008 |
rana, alberto, john | Configuration | Environment | temperature | The PSL Room Temperature was alarming because
it had gone above 23 C. This set off an unfortunate
chain of events:
|
|
1163
|
Tue Nov 25 19:29:15 2008 |
rana, alberto, john | Configuration | Environment | temperature | [quote]The PSL Room Temperature was alarming
because it had gone above 23 C. This set
off an unfortunate chain of events:
|
|
1164
|
Thu Nov 27 22:56:42 2008 |
rana | Configuration | Environment | temperature | 8-) |
|
13611
|
Tue Feb 6 16:58:19 2018 |
Kira | Update | PEM | temperature measurements | I decided to plot the temperatures measured
over two days for the sensor inside the can
and inside the lab just to see if there was |
|
1331
|
Sun Feb 22 23:43:07 2009 |
caryn | Summary | General | temperature sensor | Comparing PSL-FSS-RMTEMP and PEM-MC1-TEMPS
So, to compare temp channels, I made
a plot of PSL-FSS_RMTEMP and PEM-MC1_TEMPS(the |
12x |
13183
|
Thu Aug 10 14:13:23 2017 |
Kira | Summary | PEM | temperature sensor | Goal is to build a temperature sensor accurate
to 1 mK. Schematic is shown below. This does
not take into account the DC gain that occurs. |
 |
13188
|
Thu Aug 10 21:22:06 2017 |
rana | Summary | PEM | temperature sensor |
Should we use the AD590 or the
AD592? They're sort of the same, but
have slightly different packages and specs.
Given |
 |
13190
|
Fri Aug 11 10:27:49 2017 |
Kira | Update | PEM | temperature sensor | Since there seems to be little difference
between AD590 and AD592, I guess we could
just go with the AD590. The temperature noise |
|
13191
|
Fri Aug 11 10:48:39 2017 |
Kira | Update | PEM | temperature sensor | Quick update: we actually have AD587KRZ
and AD592, so we could start by using that
and seeing how it works. |
|
13193
|
Fri Aug 11 11:56:02 2017 |
rana | Update | PEM | temperature sensor | Might as well order several of a few different
varieties today. Its good to have some extra
in stock; we don't always want to have |
|
13194
|
Fri Aug 11 12:27:25 2017 |
Kira | Update | PEM | temperature sensor | Used AD592CNZ and AD586 (5V output) to
create a circuit that works and is responsive
to temperature changes. At room temp, using |
 |
13202
|
Mon Aug 14 09:49:18 2017 |
Kira | Update | PEM | temperature sensor | Decided to try adding in an OP amp just
to see if it would work. Added LT1012
and a 100k resistor to the circuit (I originally |
 |
13203
|
Mon Aug 14 12:52:33 2017 |
Kira | Update | PEM | temperature sensor | I didn't realize that the LT1012 needed
an additional input to function. I added
in +15V and -15V to pins 7 and 4, respectively and |
  |
13210
|
Tue Aug 15 13:32:38 2017 |
Kira | Update | PEM | temperature sensor | Tested to make sure that even when only
the AD586 was heated that there was no change
in the reading. I did so by placing the AD586 |
|
1102
|
Thu Oct 30 20:39:47 2008 |
caryn | Configuration | PEM | temperature sensor | We attached the temperature sensor box to
the MC1/MC3 chamber with a C-clamp. We connected
the temp sensor to a 2nd box with a short |
|
6731
|
Thu May 31 16:19:07 2012 |
yuta | Update | Green Locking | temperature setting for PSL doubling crystal | I fixed the temperature control of the
oven for the PSL doubling crystal.
The PID settings were not good, and |
|
11131
|
Wed Mar 11 13:54:18 2015 |
Steve | Update | General | temporaly storage in the east arm | Green glass for aLIGO OMC shield is temporarly
stored in the inside of the Y-arm. |
 |
12174
|
Tue Jun 14 10:13:34 2016 |
Steve | Update | VAC | temporary N2 supply line | The drill room floor will be retiled Thursday,
June 16. Temporary nitrogen line set up will
allow emptying the hole area. |
|
4113
|
Wed Jan 5 16:11:17 2011 |
kiwamu | Summary | IOO | temporary PZT connection | |
|
2
|
Thu Oct 18 14:52:35 2007 |
rana | Routine | ASC | test | [B]test[/B]
[LINE]X-(:P;(:)) |
|
12763
|
Fri Jan 27 17:49:41 2017 |
jamie | Update | CDS | test of new daqd code on fb1 | Just FYI I'm running a test of updated
daqd code on fb1.
fb1 has it's own fiber to the |
|
12765
|
Fri Jan 27 20:52:36 2017 |
gautam | Update | CDS | test of new daqd code on fb1 | I'm not sure if this is related, but
since today morning, I've noticed that
the data concentrator errors have returned. |
|
12769
|
Sat Jan 28 12:05:57 2017 |
jamie | Update | CDS | test of new daqd code on fb1 |
|
|
3625
|
Thu Sep 30 11:07:20 2010 |
josephb, alex | Update | CDS | test points starting to work | The centos 5.5 compiled gds code is currently
living on rosalba in the /opt/app directory
(this is local to Rosalba only). It |
|
2306
|
Fri Nov 20 11:14:22 2009 |
josephb, alex | Configuration | Computers | test points working on megatron and we may have filters with switch outputs built in | Alex tooked at the channel definitions
(can be seen in tpchn_C1.par), and noticed
the rmid was 0. |
|
13684
|
Thu Mar 15 17:33:56 2018 |
Kira | Update | PEM | test setup | I have attached the setup I completed today.
The metal box contains the heater circuit
and the board for the temperature sensor |
|
13691
|
Tue Mar 20 16:56:01 2018 |
Kira | Update | PEM | test setup | The MOSFET was getting pretty hot, so I
switched it out to a larger heat sink and
it's fine now. I then used a function |
 |
13692
|
Tue Mar 20 19:48:10 2018 |
gautam | Update | PEM | test setup | according to the temp sensor readout, which
was ~-3.35V which corresponds to ~335K, the
temperature of the can is now 60 |
|
13700
|
Fri Mar 23 12:00:20 2018 |
rana | Update | PEM | test setup | we don't ever want to use our 16 kHz
real time system for such low frequency action;
its main purpose is for real-time controls, |
|
13701
|
Fri Mar 23 12:45:08 2018 |
Kira | Update | PEM | test setup | I fit the data that we got from the test.
The time constant for the cooling came out
to be about 4.5 hours. The error is quite |
|
13859
|
Thu May 17 15:38:19 2018 |
Kira | Update | PEM | test setup with seismometer | I've moved my setup to the actual seismometer.
I attached the temperature sensor to the
seismometer (attachment 1) with duct tape, |
   |
13864
|
Fri May 18 14:33:34 2018 |
Kira | Update | PEM | test setup with seismometer | Here is the result of my test. I think
I'll leave the can on over the weekend
because there's a long period of time |
|
13871
|
Mon May 21 10:15:35 2018 |
gautam | Update | PEM | test setup with seismometer | I guess it's fine for now while we
are still finalizing the setup at EX, but
we should eventually line up the seismometer |
|
13872
|
Mon May 21 14:17:28 2018 |
Kira | Update | PEM | test setup with seismometer | I have attached the graph for the seismometer
temperature fluctuations over 3 days. As
we can see, there is a noticeable fluctuation |
|
13877
|
Tue May 22 14:49:03 2018 |
Kira | Update | PEM | test setup with seismometer | It appears that one of the wires was disconnected
overnight or this morning so I wasn't
able to gather data over a full 24 hour period. |
|