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Skip Navigation LinksHome > Products > Vibrating Sample Magnetometer > 8600 Series VSM > Specifications

8600 Series VSM Specifications

APPLIED FIELD STRENGTH WITH HIGH FIELD POLE CAPS (±1%)
Gap indices 4 and 6 support non-VSM applications Sample space Sample size with option 8604 maximum field
—all modes
Maximum ramp rate
10 kOe/s (1 T/s) 		8607 maximum field
—high field mode
Maximum ramp rate
dependent on ExactGAP setting* 		8607 maximum field
—high speed mode
Maximum ramp rate
10 kOe/s (1 T/s)
ExactGAP™ Index 1 3.5 mm (0.14 in) N/A 27.6 kOe (2.76 T) 32.6 kOe (3.26 T) 24.0 kOe (2.4 T)
ExactGAP™ Index 2 8 mm (0.31 in) N/A 25.2 kOe (2.52 T) 30.1 kOe (3.01 T) 21.0 kOe (2.1 T)
ExactGAP™ Index 3 16 mm (0.63 in) 6.4 mm (0.25 in)
with SSVT		 20.3 kOe (2.03 T) 26.2 kOe (2.62 T) 19.0 kOe (1.9 T)
ExactGAP™ Index 5 24 mm (0.94 in) 6.4 mm (0.25 in)
with oven or cryostat		 15.5 kOe (1.55 T) 23.1 kOe (2.31 T) 15.0 kOe (1.5 T)
*ExactGap 1 or 2 maximum ramp rate = 5 kOe/s (0.5 T/s); ExactGap 3 maximum ramp rate = 4 kOe/s (0.4 T/s); ExactGap 5 maximum ramp rate = 3 kOe/s (0.3 T/s)
 
APPLIED FIELD STRENGTH WITH STANDARD POLE CAPS (±1%)
Gap indices 4 and 6 support non-VSM applications Sample space Sample size with option 8604 maximum field
—all modes
Maximum ramp rate
10 kOe/s (1 T/s) 		8607 maximum field
—high field mode
Maximum ramp rate
dependent on ExactGAP setting* 		8607 maximum field
—high speed mode
Maximum ramp rate
10 kOe/s (1 T/s)
ExactGAP™ Index 1 3.5 mm (0.14 in) N/A 26.5 kOe (2.65 T) 31.3 kOe (3.13 T) 23.0 kOe (2.30 T)
ExactGAP™ Index 2 8 mm (0.31 in) N/A 24.1 kOe (2.41 T) 29.1 kOe (2.91 T) 20.3 kOe (2.03 T)
ExactGAP™ Index 3 16 mm (0.63 in) 6.4 mm (0.25 in)
with SSVT		 19.6 kOe (1.96 T) 25.5 kOe (2.55 T) 18.5 kOe (1.85 T)
ExactGAP™ Index 5 24 mm (0.94 in) 6.4 mm (0.25 in)
with oven or cryostat		 15.4 kOe (1.54 T) 22.3 kOe (2.23 T) 14.5 kOe (1.45 T)
*ExactGap 1 or 2 maximum ramp rate = 5 kOe/s (0.5 T/s); ExactGap 3 maximum ramp rate = 4 kOe/s (0.4 T/s); ExactGap 5 maximum ramp rate = 3 kOe/s (0.3 T/s)
 
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 300 nemu
With SSVT option 10 s/pt 90 nemu
With vector coil option x coils: 90 nemu at ExactGAP 3; y coils: 200 nemu at ExactGAP 3
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
 
8600 Series VSM Options Specifications
Model 86-CRYO variable temperature cryostat
With LHe Temp range 4.2 K (base), 5.5 K to 450 K (control)
Temp stability ±0.1 K
With LN2 Temp range 77.6 K (base), 85 K to 450 K (control)
Temp stability ±0.2 K
Temperature resolution 0.001 K
Cool-down time 5 min (15 min initial cool-down)
Operation method Continuous flow
LHe liquid usage <1 L/h when operating >7 K
LN2 liquid usage <1 L/h when operating >85 K
Insulation Vacuum
Sample zone dimensions Bore size 7.1 mm (0.28 in)
Outside diameter 22.4 mm (0.88 in)
More information about VSM options
Model 86-OVEN high temperature oven
Temperature range 308 K to 1273 K
Temperature stability ±0.1 K
Temperature resolution 0.001 K
Nominal ramp rate 5 K/min
Insulation Vacuum plus multiple reflective shields
Sample zone dimensions Bore size 7.3 mm (0.29 in)
Outside diameter 19 mm (0.75 in)
More information about VSM options
Model 86-SSVT single stage variable temperature option
Temperature range 78 K (base), 100 K to 950 K (control)
Temperature stability 0.1 K RMS
Temperature resolution 0.001 K
Gasses LN2 and nitrogen gas for T<350 K;
argon for T>350 K
Cool-down time 40 min from room temp to 100 K
Nominal ramp rate
(in the domain)		 Up to 8 K/min
Operating method Continuous flow
LN2 liquid usage 0.5 L/h >100 K to 350 K
Nitrogen gas usage ~3 L/min 100 K to 350 K
Argon gas usage ~3 L/min
Insulation Vacuum
Sample zone dimensions Bore size 7.8 mm (0.31 in)
Outside diameter 12.7 mm (0.5 in)
More information about VSM options

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