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8600 Series VSM Specifications

APPLIED FIELD STRENGTH WITH OPTIONAL HIGH FIELD POLE CAPS (±1%)
Gaps 4 and 6 support non-VSM applications	Sample space	Sample size with option	8604 maximum field	8607 maximum field	8610 maximum field (high-field pole caps are standard on the 8610)
Gap index 1	3.5 mm (0.14 in)	N/A	27.6 kOe (2.76 T)	32.2 kOe (3.22 T)	36.2 kOe (3.62 T)
Gap index 2	8 mm (0.31 in)	N/A	25.2 kOe (2.52 T)	29.8 kOe (2.98 T)	33.7 kOe (3.37 T)
Gap index 3	16 mm (0.63 in)	6.4 mm (0.25 in) with SSVT	20.3 kOe (2.03 T)	26.0 kOe (2.60 T)	29.8 kOe (2.98 T)
Gap index 5	24 mm (0.94 in)	6.4 mm (0.25 in) with oven or cryostat	15.5 kOe (1.55 T)	22.7 kOe (2.27 T)	26.3 kOe (2.63 T)

APPLIED FIELD STRENGTH WITH STANDARD POLE CAPS (±1%)
Gaps 4 and 6 support non-VSM applications	Sample space	Sample size with option	8604 maximum field	8607 maximum field	8610 maximum field (high-field pole caps are standard on the 8610)
Gap index 1	3.5 mm (0.14 in)	N/A	26.1 kOe (2.61 T)	30.5 kOe (3.05 T)	36.2 kOe (3.62 T)
Gap index 2	8 mm (0.31 in)	N/A	23.7 kOe (2.37 T)	28.3 kOe (2.83 T)	33.7 kOe (3.37 T)
Gap index 3	16 mm (0.63 in)	6.4 mm (0.25 in) with SSVT	19.6 kOe (1.96 T)	24.7 kOe (2.47 T)	29.8 kOe (2.98 T)
Gap index 5	24 mm (0.94 in)	6.4 mm (0.25 in) with oven or cryostat	15.4 kOe (1.54 T)	21.7 kOe (2.17 T)	26.3 kOe (2.63 T)

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	8604/8607: 100 nT (1 mOe); 8610: 1 µT (10 mOe)
Field ramp rate	Up to 1 T/s (10,000 Oe/s)
Closed loop field control stability	8604/8607: 100 nT (1 mOe); 8610: 1 µT (10 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 8607/8610: 13400 kW

8600 Series VSM equipment

	8604	8607	8610
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) minimum for power supply and mandatory flow switch
Electromagnet	Model EM-4V	Model EM-7V	Model EM-10V
Pole diameter	100 mm (4 in)	180 mm (7 in)	254 mm (10 in)
Pole cap face diameter	50 mm (2 in)	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)	±0.1% over 1 cm³ (0.4 in³)
Cooling water requirements	Tap water or closed cooling system (optional chiller available)
Inlet temperature	15 to 25 °C (59 to 77 °F)
Flow rate	7.6 L (2 gal)/min	11.4 L (3 gal)/min	15 L (4 gal)/min
Pressure drop	250 kPa (36 psi)	250 kPa (36 psi)	200 kPa (30 psi)
Hall probe	86-0911
Sense coils	Model 86-LC
Instrument console	483 mm (19 in) rack

8600 Series VSM option specifications

Model 86-CRYO/8610-CRYO variable temperature cryostats
With LHe	Temp range	4.2 K (base), 5.5 K to 420 K control
	Temp stability	±0.1 K
With LN₂	Temp range	77 K (base), 85 K to 420 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/8610-OVEN high temperature ovens
Temperature range		Room temperature (308 K with 8610) 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 (8604 and 8607 only)
Temperature range		77 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/m
Argon gas usage		<3 L/m
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