| Magnetic field measurement/control |
| Ranges | 30 Oe, 100 Oe, 300 Oe, 1 kOe, 3 kOe, 10 kOe, and 30 kOe full scale |
| Resolution | 0.005% of range in use, with 60% overrange |
| Accuracy | 2% of indication ±1 Oe |
| Noise | 5 mOe rms (100 ms averaging time) |
| Stability | 0.01% of full scale, ±0.02% of reading per °C |
| 2 in electromagnet |
| Weight | 50 kg (110 lb) |
| Width | 610 mm (24 in), including bell cranks used to adjust magnet gap |
| Depth | 410 mm (16 in) |
| Height | 530 mm (21 in), including probe translation stages |
| Resistance | 4.0 Ω (cold) |
| Maximum current | 15 A |
| Water cooling | 2 L (0.5 gal)/min at full power |
| Air gap | Adjustable, 10 mm to 76 mm (0.4 in to 3.0 in) |
| Poles | 51 mm (2 in) diameter |
| Pole caps | Tapered to 38 mm (1.5 in) diameter |
| Maximum field | 14 kOe at 12 mm (0.5 in) air gap, 10 kOe at 20 mm (0.75 in) air gap, with cryostat |
| Power supply for 2 in electromagnet |
| Enclosure | Rackmount chassis, 140 mm (5.5 in) height, 480 mm (19 in) width, 480 mm (19 in) depth |
| Weight | 11.4 kg (25 lb) |
| Input electrical power | 200/208/381/416 VAC (specify), 3-phase, 50/60 Hz, 3 kVa |
| Output | ±125 VDC at ±18 A |
| Type | Bipolar, wideband switching-mode power amplifier |
| Regulation | Feedback control of magnetic field |
| Cooling | Forced air |
| Protection | Magnet coolant flow overtemperature, PS overcurrent, and overtemperature |
| 4 in electromagnet |
| Weight | 261 kg (575 lb) |
| Width | 0.94 m (37 in), including bell cranks used to adjust magnet gap |
| Depth | 610 mm (24 in) |
| Height | 1.65 m (65 in), including probe translation stages and console |
| Resistance | 2.4 Ω (cold) |
| Maximum current | 30 A |
| Water cooling | 8 L (2.0 gal)/min at full power |
| Air gap | Adjustable, 10 mm to 89 mm (0.4 in to 3.5 in) |
| Poles | 102 mm (4 in) diameter |
| Pole caps | Tapered to 51 mm (2.0 in) diameter |
| Maximum field | 22 kOe at 12 mm (0.5 in) air gap, 18 kOe at 20 mm (0.75 in) air gap, with cryostat |
| Power supply for 4 in electromagnet |
| Enclosure | Rackmount chassis, 140 mm (5.5 in) height, 480 mm (19 in) width, 530 mm (20.9 in) depth
Transformer enclosure (remote on casters), 400 mm (16 in) height, 560 mm (22 in) width,
510 mm (20 in) depth |
| Weight | Rackmount chassis 11.4 kg (25 lb); remote transformer enclosure 90 kg (200 lb) |
| Input electrical power | 200/208/381/416 VAC (specify), 3-phase, 50/60 Hz, 6 kVa |
| Output | ±140 VDC at ±32 A |
| Type | Bipolar, wideband switching-mode power amplifier |
| Regulation | Feedback control of magnetic field |
| Cooling | Forced air |
| Protection | Magnet coolant flow overtemperature, PS overcurrent, and overtemperature |
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