Specifications

Typical sensor performance
FC-EM4
FC-EM7
FC-EM10
Field stability (peak-to-peak)
0.5 G at 0 G and 1 kG
Control type
Closed loop PI
Control output resolution
0.001% of full scale output 
Control output update period
33 ms 
Electromagnet
EM4-HVA
EM7-HV
EM10-HV
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Frame, gap
H frame, variable gap
H frame, variable gap
H frame, variable gap
Nominal coil (Ω)
0.5 Ω
0.25 Ω
Coil connection
Series 
Series
Pole size
Customer specified 
Air gap
Up to 102 mm (4 in),
continuously variable
Up to 178 mm (7 in),
continuously variable
Up to 160 mm (6.3 in),
continuously variable
Field strength
Power supply
643
648
648
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Output
Linear, bipolar 
Current output
±35 A per coil
±67.5 A per coil
±67.5 A per coil
Voltage
±35 V nominal
±75 V nominal
±75 V nominal
Power output
2450 W
9.1 kW nominal
9.1 kW nominal  
AC line input
204/208, 220/230, 380, 400/415 VAC, 3 phase
(3 wire plus ground)
200, 208, 220, 230, 380, 400, 415 VAC,
3-phase
(3 wire plus ground)
200, 208, 220, 230, 380, 400, 415 VAC,
3-phase
(3 wire plus ground)
Gaussmeter
475
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Resolution
5 3/4 digit (1 part out of ±350,000) 
Ranges
8 ranges from 35 mG to 350 kG full scale 
Basic DC accuracy
±0.05% 
Frequency ranges
DC, 1 Hz to 1 kHz, and 50 Hz to 20 kHz 
Update rate
Display: 5 readings per s; IEEE-488: 30 readings per s 
Hall probe
HMMT-6J02-VF
HMMT-6J04-VF
HMMT-6J08-VF
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Length
2 in ±0.125 in
4 in ±0.125 in
8 in ±0.125 in
Size/weight (H × D × W)   
Electromagnet
81 × 53 × 84 cm
(32 × 21 × 33 in);
247 kg (545 lb)
94 × 66 × 102 cm
(37 × 26 × 40 in);
614 kg (1350 lb)
87 × 64 × 92 cm
(34 × 25 × 36 in);
1800 kg (3970 lb)
Power supply
31 × 57 × 48 cm
(12 × 23 × 19 in);
74 kG (163 lb)
135 × 70 × 60 cm
(53 × 28 × 24 in);
250 kG (550 lb)
135 × 70 × 60 cm
(53 × 28 × 24 in);
354 kG (780 lb)
Gaussmeter/Hall probe
9 × 32 × 22 cm (3.5 × 12.5 × 8.5 in); 3 kG (6.6 lb)