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2013/11/19

0335 Complete tower assembly procedure. Am-241 source mounted facing D3 (Side 2 Channel E).
Perform tower level continuity check:
Detector G114a DIB 1
side coax ZB1-1-6 date/who: 2013-11-19 HC
face 2
+lead - lead signal typical measured
1 2 QET A 100 to 200 Ω open
2 4 QETA-B 100 to 200 Ω 267 Ω
3 4 QET B 100 to 200 Ω 248 Ω
4 6 QETB-C 100 to 200 Ω 247 Ω
5 6 QET C 100 to 200 Ω 217 Ω
6 8 QETC-D 100 to 200 Ω 212 Ω
7 8 QET D 100 to 200 Ω 163 Ω
2 8 QETA-D 100 to 200 Ω 219 Ω
chassis 9 LED1 Rforward 8 to 9 MΩ open
chassis 9 LED1 Vforward 1.0 to 1.1 V open
9 chassis LED1 Rreverse <1 nS N/A
chassis 10 LED2 Rforward 8 to 9 MΩ 744 kΩ
chassis 10 LED2 Vforward 1.0 to 1.1 V 1.084 V
10 chassis LED2 Rreverse <1 nS <0.2 nS
2 11 Qo Rbias 24 to 26 nS 26 nS
12 11 Qo C coupling <1 nS <0.2 nS
12 13 Qo Rfeedback 24 to 26 nS 26 nS
2 14 Qi Rbias 24 to 26 nS 26 nS
15 14 Qi C coupling <1 nS <0.2 nS
15 16 Qi Rfeedback 24 to 26 nS 26 nS
Detector G114a DIB 2
side coax ZB1-1-9 date/who: 2013-11-19 HC
face 5
+lead - lead signal typical measured
1 2 QET A 100 to 200 Ω 232 Ω
2 4 QETA-B 100 to 200 Ω 198 Ω
3 4 QET B 100 to 200 Ω 120 Ω
4 6 QETB-C 100 to 200 Ω 203 Ω
5 6 QET C 100 to 200 Ω 191 Ω
6 8 QETC-D 100 to 200 Ω 183 Ω
7 8 QET D 100 to 200 Ω 121 Ω
2 8 QETA-D 100 to 200 Ω 210 Ω
chassis 9 LED1 Rforward 8 to 9 MΩ 743 kΩ
chassis 9 LED1 Vforward 1.0 to 1.1 V 1.081 V
9 chassis LED1 Rreverse <1 nS <0.3 nS
chassis 10 LED2 Rforward 8 to 9 MΩ 745 kΩ
chassis 10 LED2 Vforward 1.0 to 1.1 V 1.082 V
10 chassis LED2 Rreverse <1 nS <0.2 nS
1 11 Qo Rbias 24 to 26 nS 25 nS
12 11 Qo C coupling <1 nS <0.2 nS
12 13 Qo Rfeedback 24 to 26 nS 26 nS
1 14 Qi Rbias 24 to 26 nS 26 nS
15 14 Qi C coupling <1 nS <0.2 nS
15 16 Qi Rfeedback 24 to 26 nS 26 nS
Detector G114a DIB 3
side coax ZB1-1-11 date/who: 2012-11-19 HC
face 6
+lead - lead signal typical measured
1 2 QET A 100 to 200 Ω 112 Ω
2 4 QETA-B 100 to 200 Ω 117 Ω
3 4 QET B 100 to 200 Ω 156 Ω
4 6 QETB-C 100 to 200 Ω 145 Ω
5 6 QET C 100 to 200 Ω 111 Ω
6 8 QETC-D 100 to 200 Ω 181 Ω
7 8 QET D 100 to 200 Ω 165 Ω
2 8 QETA-D 100 to 200 Ω 181 Ω
No shorts to ground witnessed.
1655 Electrical check conducted at room temperature: no problems witnessed.
1800 IVC sealed. Start evacuating IVC.