| Model 370 AC Resistance Bridge |  | No longer available — please consider the Model 372 as an alternative. | Model 370 Features
- Resistance measurement ranges from 2 mΩ to 2 MΩ
21 excitation levels from 3.16 pA to 31.6 mA Displays real-time sensor excitation power One sensor input (up to 8 or 16 with scanner) PID temperature control IEEE-488 and RS-232C interfaces, alarms, relays, and analog outputs Unique noise-reduction elements:
| | More information on the Model 370 AC Resistance Bridge |
| | DC Current Sources |  | | Model 100 & Model 101 features
- Battery powered
- 10 µA factory-preset output current
- Internally programmable from 1 µA to 1 mA
- No AC noise
- Choice of compliance voltages:
- Model 100: 2.5 V
- Model 101: 5 V
Model 102 features
- 10 µA factory-preset output current
- Internally programmable from 1 µA to 1 mA using a fixed program resistor
- Compliance voltage of 8 V
Model 110CS features
- 10 µA factory-preset output current
- Externally programmable from 1 µA to 10 mA
- Compliance voltage of 11 V
Model 120CS features
- Switch-selectable output current from 1 µA to 100 mA
- Current reversal switch
- External programming capability
- Compliance voltage of 11 V (to 50 mA)
| | More information on the DC Current Sources |
| | Bipolar Magnet Power Supplies |  | | Features for Model 665, 668
- Linear, bipolar, water-cooled power supply
- 100 ppm class current stability
- Low ripple noise (from 5 mV)
- 5 kW, and 8.8 kW
- CE compliant
- Local and remote programming and monitoring
- LEDs indicating power supply status
- Power output disable upon fault detection
- Thermally protected
- Output connectors at cabinet rear, protected by removable cover
- Steel cabinet with wheels and leveling feet
| | More information on the Bipolar Magnet Power Supplies |
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| | Rhodium-Iron |  | Rhodium-iron sensors have been discontinued. Alternative sensors are Cernox for measuring temperatures from 100 mK to 420 K or Platinum for measuring temperatures from 14 K to 873 K. | Rhodium-Iron Features
- Good long term stability: ±10 mK from 1.4 K to 325 K
- RF-800 offers a wide temperature range from 0.65 K to 500 K
- Linear response above 100 K
- Excellent resistance to ionizing radiation
- Small chip size available with extremely fast thermal response time
| | More information on the Rhodium-Iron |
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| Model 455 DSP Gaussmeter |  | No longer available — please consider the Model 475 as an alternative. | Model 455 Features
- Field ranges from 35 mG to 350 kG
- DC measurement resolution to 0.02 mG
- Basic DC accuracy of ±0.075%
- DC to 20 kHz AC frequency range
- AC narrow and wide band modes
- Standard probe included
- Specialized and custom probes also available
- CE mark certification
| | More information on the Model 455 DSP Gaussmeter |
| | Model 460 3-Channel Gaussmeter |  | No longer available — please consider the F71 as an alternative. | Model 460 Features
- Displays each axis simultaneously
- Vector magnitude reading
- Resolution to 5¾ digits (1 part out of ±300,000)
- Accuracy to ±0.10% of reading
- Peak capture
- Analog voltage outputs
- IEEE-488 and serial interface
- Can be operated with three individual probes, a single 2-axis probe and one individual probe, or a single 3-axis probe
| | More information on the Model 460 3-Channel Gaussmeter |
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| Gamma probes |  | Small variations in, or low values of large volume magnetic fields, such as that of the earth or fringe fields, around large solenoids, can be measured with these ultra-high sensitivity probes. Resolutions of several gammas (10-5 G) to tens of gammas are available depending on the mating gaussmeter. | | More information on the Gamma probes |
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| | Model 231, 231P, and 234 Temperature Transmitters |  | The 230 Series transmitters are discontinued. Please consider the 240 Series as a replacement. | Model 231, 231P, and 234 Temperature Transmitter Features
- Sensor input fully isolated from power supply potential
- Different models support various sensor types
- 4-lead differential measurement
- Output range of 4 mA to 20 mA or 0 mA to 20 mA (0 V to 10 V)
- Available rack-mount case holds up to 12 units
Model 231 Features
- Operates from 1.4 K to 500 K with appropriate diode
Model 231P Features
- Operates from 1.4 K to 800 K with appropriate NTC RTD
Model 234 Features
- Operates from 100 mK to 420 K with appropriate NTC RTD
- Includes serial interface
Model 234D Features
- Operates from 100 mK to 420 K with appropriate NTC RTD
- Includes serial interface
- 6-digit LED display
| | More information on the Model 231, 231P, and 234 Temperature Transmitters |
| | 7400 Series VSM |  | No longer available — please consider the 7400-S Series as an alternative. | Features of the 7400 Series
- 1 × 10-7 emu noise floor at 10 s/pt
- 7.5 × 10-7 emu noise floor at 0.1 s/pt
- High stability ±0.05% per day
- Excellent reproducibility
- Fields to >3 T
- Widest available temperature range—4.2 K to 1,273 K
- Vector, magnetoresistance, and autorotation options
| | More information on the 7400 Series VSM |
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| PMC MicroMag 2900 Series AGM |  | The PMC 2900 Series AGM has been discontinued.
| Features of the 2900 Series
- Very high sensitivity (10 nemu standard deviation at 1 s/point), enabling measurements of weak magnetic samples
- Conduct experiments faster with signal averages as fast as 10 ms/pt
- Supports a maximum sample size of 5 mm × 5 mm × 2 mm, (≤200 mg with robust x-axis probe)
- Samples fit into parallel and perpendicular transducer probes (includes two probes)
- High-speed four-quadrant magnet power supply
- Easy-to-use Windows® based application software
- Hardware and software compatible with 3900 Series VSM
| | More information on the PMC MicroMag 2900 Series AGM |
| | PMC MicroMag 3900 Series VSM |  | |
| Features of the 3900 Series
- Very versatile — can also ordered as a dual-head VSM/AGM system or upgraded to a combination system later
- High sensitivity (0.5 µemu standard deviation at 1 s/point)
- Conduct experiments faster with signal averages as fast as 10 ms/pt
- Versatile, quick-change sample holders for measuring solid, thin‑film, powder, and liquid samples
- Continuous sample rotation about z-axis under computer control
- High-speed four-quadrant magnet power supply
- Easy-to-use Windows® based application software
- Hardware and software compatible with 2900 Series AGM
- High- and low-temperature accessories available
| | More information on the PMC MicroMag 3900 Series VSM |
| | 8500 Series THz System for Materials Characterization |  | The 8500 Series THz system has been discontinued.
| A new type of measurement system
- For electronic, magnetic, and chemical materials research and characterization.
- Uses THz-frequency energy and an integrated high-field cryostat to measure material spectroscopic responses across a wide range of frequencies, temperatures, and field strengths.
- No special knowledge of THz optics required.
- Fully integrated solution is ready to use and eliminates complicated optics setups typically associated with THz spectroscopy. Just load a sample and start taking measurements.
| | More information on the 8500 Series THz System for Materials Characterization |
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| 7600 Electromagnet Series |  | The 7600 Series HMS is discontinued. No new orders are being accepted. We encourage you to consider the 8400 Series HMS instead. | Features of the 7600 Series
- Standard sample resistance ranges from 10 mΩ to 10 MΩ
- Fields to 2 T
- Temperatures from 15 K to 800 K
- Measure up to 4 samples consecutively without a hardware change
- Quantitative Mobility Spectrum Analysis (QMSA®) software resolves individual carrier mobilities and densities in multi-carrier devices
- Anomalous Hall Effect measurements for spintronics including dilute magnetic semiconductors and ferromagnetic metallic alloys
| | More information on the 7600 Electromagnet Series |
| | 7700A Electromagnet Series |  | The 7700 Series HMS is discontinued. No new orders are being accepted. We encourage you to consider the 8400 Series HMS instead. | Features of the 7700A Series
- Standard sample resistance ranges from 0.04 mΩ to 200 GΩ
- Fields to >2 T
- Temperatures from 15 K to 800 K
- Measure up to 6 in wafers
- Quantitative Mobility Spectrum Analysis (QMSA®) software resolves individual carrier mobilities and densities in multi-carrier devices
- Anomalous Hall Effect measurements for spintronics including dilute magnetic semiconductors and ferromagnetic metallic alloys
| | More information on the 7700A Electromagnet Series |
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