MOMENT MEASUREMENT |
Noise floor (emu RMS)
Room temperature |
|
0.1 s/pt
|
150 nemu |
1 s/pt |
60 nemu |
10 s/pt |
15 nemu |
With oven or cryostat option, 10 s/pt |
500 nemu |
With SSVT option 10 s/pt |
120 nemu |
Dynamic range |
25 × 10-9 to 103 emu |
Moment stability |
Better than ±0.05% of full scale/day for fixed coil geometry at constant field and temperature |
Reproducibility |
Better than ±0.5% of
reading, or ±0.1% of full scale, fixed rotation angle and range, with sample
replacement |
Moment accuracy |
Better than 1% of reading ±0.2% of full scale with a geometrically identical test sample and calibrant |
Sample mass |
0 to 10 g |
FIELD MEASUREMENT |
Field accuracy |
1% of reading or ±0.05% of full scale |
Field resolution |
1 mOe |
Field ramp rate |
8604: 10,000 Oe/s
8607: 10,000 Oe/s (in high-speed mode; reduced when in high field mode) |
Closed loop field control stability |
1 mOe |
SAMPLE ROTATION |
Setting resolution |
0.1° |
Setting reproducibility |
<1° |
Rotation range |
Continuous |
CERTIFICATIONS |
CE |
Yes |
Application of Council directives |
2014/35/EU Low Voltage Directive
2014/30/EU EMC Directive
2011/65/EU RoHS Directive |
Standard to which conformity is declared |
EN61010-1: 2010 Overvoltage Category II, Pollution Degree 2;
EN61326-1: 2013 Class A, Controlled EM Environment;
EN55011: 2009 Class A, Controlled EM Environment
EN50581: 2012
|
UTILITIES |
Total system cooling water power dissipation (50 or 60 Hz) — see available recirculating chillers |
8604: 4250 W
8607: 13400 kW |
Note: chiller power specifications listed are for 100% duty cycle. Many common magnet testing applications such as hysteresis loops will not require as much cooling power. Please consult Lake Shore for chiller recommendations for your specific applications. |
8600 Series VSM Equipment |
|
|
8604 |
8607 |
VSM head drive |
Gen2 |
VSM frame |
V-mag |
Control electronics |
Model 737 |
Bipolar magnet power supply |
Model 643 |
Model 648 |
Maximum output |
±35 V/±70 A (2,450 W) |
±75 V/±135 A (9.1 kW nominal) |
AC line input |
200/208 VAC ±10%, 13 A/phase; 220/230 VAC ±10%, 12 A/phase; 380 VAC ±10%, 7 A/phase; 400/415 VAC ±10%, 6.5 A/phase at 50/60 Hz |
200 VAC ±5%, 41 A/phase; 208 VAC ±5%, 40 A/phase; 220 VAC ±5%, 38 A/phase; 230 VAC ±5%, 37 A/phase; 380 VAC ±5%, 23 A/phase; 400 VAC ±5%, 21 A/phase; 415 VAC ±5%, 21 A/phase |
Cooling water requirements |
Tap water or closed cooling system
(optional chiller available) +15 °C to +30 °C |
Flow rate |
5.7 L (1.5 gal)/min minimum |
7.6 L (2.0 gal)/min minimum |
Pressure drop |
10 kPa (1.5 psi) at 5.7 L (1.5 gal)/min minimum for power supply only |
159 kPa (23 psi) at 7.6 L (2 gal)/min minimum for power supply and mandatory flow switch |
Electromagnet |
Model EM-V4 |
Model EM-V7 |
Pole diameter |
100 mm (4 in) |
180 mm (7 in) |
Pole cap face diameter |
50 mm (2 in) |
50 mm (2 in) |
Field homogeneity |
±0.1% over 1 cm3 (0.4 in3) |
±0.1% over 1 cm3 (0.4 in3) |
Cooling water requirements |
Tap water or closed cooling system (optional chiller available) |
Inlet temperature |
15 – 25 °C (59 – 77 °F) |
15 – 32 °C (59 – 89 °F) |
Flow rate |
7.6 L (2 gal)/min |
11.4 L (3 gal)/min |
Pressure drop |
200 kPa (30 psi) |
220 kPa (32 psi) |
Water chiller capacity |
2.5 kW (8,530 BTU)/h |
5 kW (17,060 BTU)/h |
Hall probe |
86-0911 |
Sense coils |
Model 86-SC and Model 86-LC |
Instrument console |
483 mm (19 in) rack |