SLAC Magnetic Field Measurements - Encoder Read Head Adjustment
No | Phase Shifter | Measurement Start | Encoder Offset [mm] |
Old Offset [mm] |
Gap Monitor | |
stdev / p-p | Switch-ON | |||||
1 | HXPS-16327 | Tue Apr 16 10:41:58 PDT 2019 | 4487.23100 | 4487.19300 | ±0.1 / 1.1 um | N/A |
2 | HXPS-16318 | Tue Apr 16 14:55:26 PDT 2019 | 445.14750 | 444.65250 | ±0.2 / 1.6 um | -1.2 um |
3 | HXPS-16325 | Tue Apr 23 17:10:15 PDT 2019 | 4316.18150 | 4315.73950 | ±0.2 / 1.3 um | -3.7 um |
4 | HXPS-16314 | Thu Apr 25 15:38:54 PDT 2019 | 4483.93880 | 4483.90275 | ±0.1 / 0.5 um | +2.3 um |
5 | HXPS-16333 | Fri Apr 26 14:39:40 PDT 2019 | 4489.52780 | 4489.62270 | ±0.1 / 0.6 um | +2.2 um |
6 | HXPS-16307 | Thu May 2 14:37:41 PDT 2019 | 4272.65750 | 4272.74150 | ±0.2 / 2.1 um | +6.5 um |
7 | HXPS-16305 | Fri May 3 14:53:13 PDT 2019 | 4483.10650 | 4482.71950 | ±0.4 / 2.4 um | -6.3 um |
8 | HXPS-16309 | Mon May 6 15:32:13 PDT 2019 | 793.63680 | 793.23675 | ±0.1 / 0.9 um | +2.3 um |
9 | HXPS-16319 | Mon May 13 15:08:34 PDT 2019 | 3670.83350 | 3670.23750 | ±0.2 / 1.8 um | +1.7 um |
10 | HXPS-16324 | Thu May 16 14:09:25 PDT 2019 | 1294.05025 | 1293.60625 | ±0.9 / 7.6 um | -17.9 um |