Pressure around 140 mTorr. The pressure started increasing early November 2nd. Will continue to monitor.

Tuesday, November 12, 2013, 09:51 UPDATE
 Backing pressure further increased to ~ 350 mTorr over the weekend. Vacuum group has been informed and will replace the pump this week.

The Conductor insulating blocks - ITD053C and ITD054C - that secure the target heater and coil conductor blocks were replaced. The existing ones were cracked and fell apart upon removal.

HS line is looped. Cu-test bars installed on TGHT and TBHT. Torqued all bolts  to 120 in lbs.

Tuesday, October 15, 2013, 16:17: Roughing

Tuesday, October 15, 2013, 16:39: Turbos started.

Tuesday, October 15, 2013, 16:48: Turbos at speed

Tuesday, October 15, 2013, 16:49: Vacuum at 3.0 E-5 T

Wednesday, October 16, 2013, 08:38: Opened water on HS. Vacuum stable at 5.5E-7 T.

Wednesday, October 16, 2013, 10:12: TBHT to 300A (0.623V) TGHT to 580A (1.443 V)

Wednesday, October 16, 2013, 10:13: Ramping down at 6A/min

Thursday, October 17, 2013, 08:33: Turbos stopped. Vacuum at 2.6E-7 T.

Thursday, October 17, 2013, 10:24: Venting

Turned TGHT Cu-bar 180 deg. Loosened and re-fastened all bolts to 120 in lbs.

Thursday, October 17, 2013, 10:48: Roughing.

Thursday, October 17, 2013, 11:07: Turbos started.

Thursday, October 17, 2013, 11:16: Turbos at speed.

Thursday, October 17, 2013, 11:17: Vacuum at 1.2E-5 T

 TGHT and TBHT were brought up to 580A and 300A.

Flow meters connected.

TGHT
T  27.8
Q 5.5

Monday, October 21, 2013, 13:34: Heating TGHT to 580A (1.411 V)

Monday, October 21, 2013, 13:37
TGHT
T  28.9
Q 5.4

Monday, October 21, 2013, 13:40
TGHT
T  29.1
Q 5.5

Monday, October 21, 2013, 13:45
TGHT
T  29.4
Q 5.4

TGHT RDCUR/VOL 581.5A / 1.421 V

Monday, October 21, 2013, 13:47
TGHT RDCUR/VOL 270.6 A / 0.674V
T  28.4
Q 5.4

Monday, October 21, 2013, 13:52
TGHT RDCUR/VOL 270.6 A / 0.674V
T  28.3
Q 5.5

Monday, October 21, 2013, 13:52: TGHT off.

TGHT
T  27.9
Q 5.5

Tuesday, October 22, 2013, 08:09: Stopped turbos. Vacuum at 1.4E-7 T

Tuesday, October 22, 2013, 12:29: Venting

Results in DocuShare collection

This morning the turbo was found tripped off. 

The controller was replaced by Edi on Friday.

Monday, October 07, 2013, 08:28: Starting Turbo

Monday, October 07, 2013, 08:29: Turbo at speed. Vacuum at 4.4E-7 T

The Heat Shield circuit can now be separately purged for water. Use valves on heat shield circuit to purge the lines for target exchanges from now on.

All paddle wheels have been rotated to allow trapped air to escape the system more easily.

Friday, September 27, 2013, 11:41: Roughing

Friday, September 27, 2013, 12:08: Turbos started

Friday, September 27, 2013, 12:16: Turbos at speed.

Friday, September 27, 2013, 12:18: Vacuum at 1.5E-5 T

Monday, September 30, 2013, 08:41: Opened water supply. Vacuum stable at 1.5E-7 T

TGHT Q=5.5 T=28.0
TBHT Q=5.8 T=28.0

Monday, September 30, 2013, 15:19: Flow sensor moved from TBHT to HS

TGHT Q=5.5 T=27.9
HS      Q=3.6 T=27.8

Tuesday, October 01, 2013, 12:08: Taget Biased to 30kV.

Wednesday, October 02, 2013, 08:50: Started autoramping to 580A/230A

Wednesday, October 02, 2013, 08:50: Opened IV4

Wednesday, October 02, 2013, 10:51 TGHT/TBHT 250A / 239A
TGHT Q=5.5 T=28.5
HS      Q=3.6 T=29.2
SUPPLY (ext)    27.3
RETURN (ext)  27.8

Wednesday, October 02, 2013, 13:28 TGHT/TBHT 250A / 570A
TGHT Q=5.5 T=30.4
HS      Q=3.6 T=33.4
SUPPLY (ext)    27.4
RETURN (ext)  29.3

Wednesday, October 02, 2013, 13:30: TBHT was starting to limit on voltage. Increased voltage limit to 2.4V.

Thursday, October 03, 2013, 08:21: TMS:TP2 timed out over night.

Magnet PS breaker tripped during a mass scan yesterday. Reset breaker and cleared interlocks.

TGHT Q=5.5 T=30.4
HS      Q=3.6 T=34.0
SUPPLY (ext)    27.3
RETURN (ext)  29.3

Thursday, October 03, 2013, 08:28: Started mass scan 200 -> 0 m/q. FC0 7.5E-8 A

Thursday, October 03, 2013, 14:29
TGHT Q=5.5 T=30.6
HS      Q=3.6 T=33.9
SUPPLY (ext)    27.4
RETURN (ext)  29.6

Thursday, October 03, 2013, 15:14: Lowered TBHT:RDCUR  to 230A.

Thursday, October 03, 2013, 15:37: Increased EE to -2000 V

Thursday, October 03, 2013, 16:22
TGHT Q=5.5 T=30.6
HS      Q=3.6 T=33.9
SUPPLY (ext)    27.5
RETURN (ext)  29.6

Friday, October 04, 2013, 08:08
TGHT Q=5.5 T=30.6
HS      Q=3.5 T=33.9
SUPPLY (ext)    27.5
RETURN (ext)  29.3

Mass scan started.

Friday, October 04, 2013, 08:46: Cool down started.

Friday, October 04, 2013, 13:35: TPS:IV4 closed

Friday, October 04, 2013, 13:41: Source debiased.

Tuesday, October 15, 2013, 09:56: Turbos stopped. Vacuum at 1.15 E-7 T

Tuesday, October 15, 2013, 12:44: Venting

After the conditioning, some oxidation (?) from the standards (?) were found on the Plasma Electrode and around the Target Tube. See attachment

Wednesday, September 18, 2013, 16:18: Starting turbos

Wednesday, September 18, 2013, 16:26 : Turbos at speed

Wednesday, September 18, 2013, 16:28 : Vacuum at 2.8 E-5 T

Wednesday, September 25, 2013, 15:11
TGHT flow 5.52, temp 28.6
TBHT flow 5.92, temp 28.5

Thursday, September 26, 2013, 09:25: Stopped turbos. Vacuum at 1.4 E-7 T

Friday, September 27, 2013, 08:35
TGHT flow 5.49, temp 28.2
TBHT flow 5.90, temp 28.0

Friday, September 27, 2013, 10:47: Venting 

New calibration of the m/q based on the hall probe after exchanging the controller(MASSOVERQ2). Based on NiO#2-HP-FEBIAD with Ne supplied and ANODE biased to 200V, 30kV Bias.

CONST11 = -16.3929
CONST22 = 0.12481

http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2013-09-18-09%20NiO%232

Data and results from Gnuplot

"2013-09-18 NiOcalibration.txt"
6.02 -1192 6Li
7.02 -1288 7Li
19.99 -2177 20Ne
21.99 -2284 22Ne
38.96 -3043 40K
40.96 -3118 41K
180.9 -6577 Ta
196.9 -6864 TaO

f(x)=((x+a)**2)*b/30000;
a=35.221;
b=0.129991;
fit f(x) "2013-09-18 NiOcalibration.txt" using 2:1 via a,b;

Final set of parameters Asymptotic Standard Error
======================= ==========================

a = -16.3929 +/- 2.015 (12.29%)
b = 0.12481 +/- 8.448e-005 (0.06769%)


correlation matrix of the fit parameters:

a b
a 1.000
b 0.952 1.000  

The coil insulator has been observed to have cracked earlier. 

The GE on the Source tray and EE on the target was cleaned. The target will be conditioned again to verify if sparking has been reduced. Torque 120 in lbs

Monday, September 16, 2013, 17:05: Roughing. The roughing pump is somewhat noisy.

Monday, September 16, 2013, 17:26: Starting turbos.

Monday, September 16, 2013, 17:34: Turbos at speed

Monday, September 16, 2013, 17:36: Vacuum at 3.8E-5 T.

Tuesday, September 17, 2013, 08:10: Opened cooling water. Vacuum stable at 6.5E-7. EE flow 4.8 l/min 27.9 C

Tuesday, September 17, 2013, 08:20: Target biased: 30kV, 15kV, -1kV.

Tuesday, September 17, 2013, 08:25: Opening gas line SV5 and Ne SV3 evacuated

Tuesday, September 17, 2013, 08:32: Started auto-ramping to 580A/230A

Tuesday, September 17, 2013, 08:34: Coil to 50A, Anode to 200V (0mA)

Tuesday, September 17, 2013, 08:36: Opened IV4

Tuesday, September 17, 2013, 10:39: EE flow 4.9 l/min 28.5 C

Tuesday, September 17, 2013, 13:05: EE flow 4.9 l/min 28.8 C

Tuesday, September 17, 2013, 15:03: EE flow 4.9 l/min 28.8 C

Tuesday, September 17, 2013, 15:04 :TGHT at 580A, TBHT at 280A.

Tuesday, September 17, 2013, 15:30: TBHT:RDCUR to 290A 

Wednesday, September 18, 2013, 08:07: Stared mass scan.

Wednesday, September 18, 2013, 08:08:EE flow 4.9 l/min 28.8 C

Wednesday, September 18, 2013, 09:14: EE to 2kV. Current at 676 uA

Wednesday, September 18, 2013, 09:23: Opened He gas to 6.0. It was later found the SV2 was closed. I.e. no He was supplied to the target.

Wednesday, September 18, 2013, 09:26: Tuning source. EE 0.8kV, EZL 1.3kV

Wednesday, September 18, 2013, 09:32: Started mass scan.

Wednesday, September 18, 2013, 09:55: A jump in BIAS current from 42 to 61 uA. Came down towards 42 after 30 min

Wednesday, September 18, 2013, 10:22: Ramping down heaters at 2A and 2.5A /min

Wednesday, September 18, 2013, 10:23: He and Ne off.

Wednesday, September 18, 2013, 10:48: Gas lines closed.

Wednesday, September 18, 2013, 10:53: EE flow 4.9 l/min 28.5 C

Wednesday, September 18, 2013, 10:55: IV4 closed.

Wednesday, September 18, 2013, 10:59: Target de-biased.

Wednesday, September 18, 2013, 12:18: Heaters off.

Wednesday, September 18, 2013, 12:18: Stopped turbos.

Wednesday, September 18, 2013, 12:56: Started wenting.

Wednesday, September 18, 2013, 13:02: EE flow 4.9 l/min 28.2 C

Wednesday, September 18, 2013, 13:20 : Chamber vented.

Monday, September 16, 2013, 17:04: Cleaned GE. Copper shavings were removed from below the guide pins for the Heat Shield. The shavings were sitting on top of the aluminum support.

Ray D. installed the "standard" 6V 200A FEBIAD COIL P/S on Friday morning.It has not yet been tested as water supply was on.

Friday, August 30, 2013, 15:09 : Turbos stopped in preparation for installation. 

Friday, August 30, 2013, 16:22: Venting

Friday, August 30, 2013, 17:08: Roughing with NiO#2

Friday, August 30, 2013, 17:27: Starting turbos

Friday, August 30, 2013, 17:35: Turbos at speed

Friday, August 30, 2013, 17:37:  Vacuum at 1.9 E-7 T

Monday, September 09, 2013, 14:04: Opened up water. Vacuum stable at 1.5E-7 T

Tuesday, September 10, 2013, 08:59: Pumping out the gas lines.

Tuesday, September 10, 2013, 09:10: Gas lines evacuated.

Tuesday, September 10, 2013, 09:23: TPS:IV4 opened

Tuesday, September 10, 2013, 10:06: TGHT PS was off. Debiased to access el cage.

Tuesday, September 10, 2013, 10:07: EZL/EE/BIAS: 15/2/30 kV 61/674/55 uA

Tuesday, September 10, 2013, 10:08: COIL/ANODE: 50A/200V

Tuesday, September 10, 2013, 10:09: Started target heat to TGHT/TBHT 250/230A

Tuesday, September 10, 2013, 15:12: Started target heat to TGHT 350A (TBHT remains at 230A)

Wednesday, September 11, 2013, 13:06: Heating TGHT to 500A

Thursday, September 12, 2013, 08:44: Heating TGHT to 580A

Thursday, September 12, 2013, 09:39: Heating TBHT to 260A

Thursday, September 12, 2013, 10:06: BIAS sparking occurred  at 9:48 TBHT:RDCUR at 256A. Gradually reduced TBHT:RDCUR to 254A. Sparking stopped after ~20 min. ANODE:RDCUR, EE:RDCUR and IG1:RDVAC showed correlated sparking responses. ANODE:RDCUR went to 0 mA and back up after sparking had stopped.

 Thursday, September 12, 2013, 10:30: Manually increased TBHT:RDCUR to 260A.

Thursday, September 12, 2013, 11:06: A jump in TBHT:RDVOLT and TBHT:RDCUR at 10:44. Reduced TBHT:RDCUR to 255A

Thursday, September 12, 2013, 12:10:  TPS:Q4 was taken out by a spark. Restarted.

Thursday, September 12, 2013, 12:19: EZL to 13 kV

Thursday, September 12, 2013, 13:14: TBHT:RDCUR to 260A

Thursday, September 12, 2013, 13:31: TBHT:RDCUR to 265A. Sparking returns. Lower to 260A

Friday, September 13, 2013, 10:51: Increased TBHT:RDCUR to 265A

Friday, September 13, 2013, 10:58 : Increased TBHT:RDCUR to 270A

Friday, September 13, 2013, 11:05: Some sparking. Lowered EE to 1kV

Friday, September 13, 2013, 11:07 : Increased TBHT:RDCUR to 275A

Friday, September 13, 2013, 11:15 : Increased TBHT:RDCUR to 280A

Friday, September 13, 2013, 11:24 : Increased TBHT:RDCUR to 290A. ANODE:RDCUR 8.5mA. FC0 1.3E-6 A

Friday, September 13, 2013, 11:53: SV5 and SV2 gas lines opened.

Friday, September 13, 2013, 12:05: A spark took out Q4. Restarted.

Friday, September 13, 2013, 12:07: Lowered TBHT:RDCUR to 285A

Friday, September 13, 2013, 13:03: Started mass scan.

Friday, September 13, 2013, 14:27: Lowered TBHT:RDCUR to 280A

Friday, September 13, 2013, 15:01 : Lowered TBHT:RDCUR to 270A

Monday, September 16, 2013, 08:00: Mass scan started. 

Monday, September 16, 2013, 09:00: Starting heater ramp down. 2A/min. Gas lines closed.

Monday, September 16, 2013, 13:30: Source off. Target debiased.

Monday, September 16, 2013, 13:56: Turbos stopped

Monday, September 16, 2013, 14:50: Venting.

Jens Lassen provided a new controller for the Hall prove. With the help from Graham from controls it was reconfigured and is operational again. The magnet must likely be calibrated again.

Monday, August 26, 2013, 14:07: The turbo could be restarted, but it does not sound happy (Dimo was consulted earlier today). The pump is drawing around 4 A. The current draw is fluctuating between 3.5 and 4.2 A at the same time as backing pressure is spiking from 0.015 to 0.045 T

Monday, August 26, 2013, 15:32:: The turbo failed again. Dimo had a quick look. It will have to be replaced. See e-fault: 6953

Wednesday, August 28, 2013, 08:48: Stopping TP1B. Vacuum at 4.8 E-7 T

Wednesday, August 28, 2013, 10:59: Venting

Anthony has replaced the pump. There was no screen on the existing pump. A screen has been installed in front of the turbo.

Wednesday, August 28, 2013, 14:03: started roughing

Wednesday, August 28, 2013, 14:31: Starting turbos

Wednesday, August 28, 2013, 14:41Turbos at speed

Wednesday, August 28, 2013, 14:43: Vacuum at 2.0 E-5 T

CG1A is climbing from 0.016 to 0.130 in 30 seconds when isolated.

The leak was confirmed to be between BV1A and PV1 in the bellows. The bellows has been replaced and backing pressure is back to normal values.

TP1B high frequency noise is coming and going. Power is 22W , current 1.1A (other pumps are 11W and 14W, 0.7A)

Edi from vacuum group notified. He will replace the pump today.

Tuesday, August 20, 2013, 08:40: Turbos off. Vacuum 1.4E-7 T

Tuesday, August 20, 2013, 10:01: Started venting.

Turbo has been replaced by Edi.

Tuesday, August 20, 2013, 16:28: Roughing

Tuesday, August 20, 2013, 16:51: Turbos started.

TP1A timed out. Could not open BV1A and restart due to too high backing pressure at CG1A

Wednesday, August 21, 2013, 08:17: Turbos started. Vacuum 0.043 T

Wednesday, August 21, 2013, 08:25: Turbos at speed. TP1B: 1.2A 28W 30 deg C.

Wednesday, August 21, 2013, 08:27: Vacuum at 5.6 E-6 T

Tuesday, August 20, 2013, 08:13: Roughing gas lines

Tuesday, August 20, 2013, 08:22: Gas lines roughed. Valve closed