9700A Specifications

 7704A7707A7710A9709A
Magnetic field

 

Please consult
Lake Shore for
10 in magnet option information

 
Room temp±1.3 T±2 T±9 T
Variable temp±0.87 T±1.2 T±9 T
Temperature 
Standard77 K or room temperature2 K to 400 K
CCR15 K to 350 KNA
Oven350 K to 800 KNA
Carrier concentration density8 × 102 to 8 × 1023 cm-38 × 102 to 8 × 1023 cm-3
Mobility1 to 1 × 106 cm2/V s1 to 1 × 106 cm2/V s
Current (A)±1 pA to ±100 mA±1 pA to ±100 mA
Voltage (V)0 V to 100 V0 V to 100 V
Resistance range (standard)2% accuracy—VdP minimum: 0.5 mΩ,
HB minimum: 0.8 mΩ, maximum: 100 GΩ
5% accuracy—VdP minimum: 0.1 mΩ,
HB minimum: 0.04 mΩ, maximum: 200 GΩ
2% accuracy—VdP minimum: 0.5 mΩ, HB minimum: 0.8 mΩ, maximum: 100 GΩ
5% accuracy—VdP minimum: 0.1 mΩ, HB minimum: 0.04 mΩ, maximum: 200 GΩ
System equipment 
Sample holder module75013 room temperature/77 K; 1-sided sample cards9500-SI; 1-sided sample cards
Sample holder kit (included with sample holder module)(1) 750SC10-50, (1) 750SC50-10, (1) 671-205, (1) 671-260, (1) 671-250, and (10) 1-inch sheets of indium foilIntegrated into 9500-SI
Sample sizeUp to 10 × 14 mm (0.4 × 0.6 in) on a 25 × 75 mm (1 × 3 in) card; up to 60 mm (2.4 in) square on an 82 × 93 mm (3.2 × 3.7 in) cardUp to 76 mm (3 in) in diameter12 × 14 mm (0.5 × 0.6 in) in a 25.4 mm (1 in) bore
Number of samples11
Model 475 gaussmeter1NA
Model 776 matrix11
Keithley equipment 
6220 Current Source11
6485 Autoranging Digital Picoammeter11
2182A Digital Voltmeter11
MagnetEM4-HVAEM7-HVSuperconducting
Pole diameter102 mm (4 in)178 mm (7 in)NA
Pole face diameter102 mm (4 in)152 mm (6 in)76.2 mm (3 in)NA
Maximum magnetic field at room temperature1.3 T (13 kG) at 25 mm (1 in) air gap1.6 T (16 kG) at 25 mm (1 in) air gap2.17 T (21.7 kG) at 25 mm (1 in) air gap9 T
Maximum magnetic field at variable temperature0.87 T (8.7 kG) at 51 mm (2 in) air gap1.18 T (11.8 kG) at 51 mm (2 in) air gap1.47 T (14.7 kG) at 51 mm (2 in) air gap9 T
Field homogeneity±0.1% over 10 mm3 (0.4 in3)±0.1% over centered 51 mm (2 in) diameter circle±0.1% over 60 mm (2.3 in) on axis
Cooling water requirementsTap water or closed cycle cooling system (optional chiller available)Liquid helium
Inlet temperature25 °C (77 °F) maximum32 °C (90 °F) maximumNA
Pressure drop200 kPa (30 psi)220 kPa (32 psi)NA
Flow rate7.6 L (2 gal)/min11.4 L (3 gal)/minNA
Water chiller cooling capacity2.5 kW (8,530 BTU)/h5 kW (17,060 BTU)/hNA
Bipolar magnet power supply643648625
ModeDCDC
Maximum output±35 V ±70 A (2450 W)±75 V ±135 A (9.1 kW nominal)±5 V/±60 A (300 W)
AC line input204/208 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 Hz200 VAC ±10%, 41 A/phase;
208 VAC ±10%, 40 A/phase;
220 VAC ±10%, 38 A/phase;
230 VAC ±10%, 37 A/phase;
380 VAC ±10%, 23 A/phase;
400 VAC ±10%, 21 A/phase;
415 VAC ±10%, 21 A/phase
Single phase 100, 120, 220, 240 VAC +6% -10%, 50 or 60 Hz, 850 VA
Flow rate5.7 L (1.5 gal)/min minimum7.6 L (2 gal)/minNA
Cooling water requirementsTap water or closed cycle cooling system (optional chiller available) +15 °C to +30 °CTap water or closed cooling system (optional chiller available) +15 °C to +30 °CAir cooled
ComputerDell® computer with HDD, CD-ROM, 19-inch SVGA flat screen monitor, Windows® OS, Hall software, and National Instruments IEEE-488 USB adaptor