Discontinued Products

Please note: The DT-470 Series silicon diodes have been discontinued. Our recommended replacements are the DT-670 silicon diodes.

DT-470-SD Features
  • Monotonic temperature response from 10 K to 500 K*
  • Conformance to standard Curve 10 temperature response curve
  • Useful above 60 K in magnetic fields up to 5 T
  • The rugged, reliable Lake Shore SD package designed to withstand repeated thermal cycling and minimize sensor self-heating
  • Variety of packaging options

* Calibrated to 500 K, uncalibrated (Curve 10) to 475 K

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

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

The PMC 3900 Series VSM has been discontinued. Please consider the 8600 Series VSM as a replacement.

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

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

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

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

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

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

​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

The Model 642 electromagnet power supply has been replaced by the Model 643 electromagnet power supply.

Features of the Model 642

  • Bipolar, linear, true 4-quadrant output
  • ±70 A/±35 V, 2.5 kW
  • Can be modulated to frequencies up to 0.17 Hz at ±70 A
  • Low noise
  • 0.1 mA of programmed current resolution
  • Analog programming and IEEE-488 and RS-232C interfaces
  • Built-in fault protection
  • Compact design

The 660 Series magnet power supplies have been replaced by the Model 648 magnet power supply.

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

​The Model 100 through 120 current sources have been replaced by the Model 121 DC current source.

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)

The Model 331 has been replaced by the Model 335.

Model 331S features

  • Operates down to 1.2 K with appropriate sensors
  • Two sensor inputs
  • Supports diode, RTD, and thermocouple sensors
  • Sensor excitation current reversal eliminates thermal EMF errors for resistance sensors
  • Two autotuning control loops: 50 W and 1 W
  • IEEE-488 and RS-232C interfaces, analog outputs, and alarm relays

​The Model 332 has been replaced by the Model 335.

Model 332 features

  • Operates down to 500 mK with appropriate NTC RTD sensors
  • Two sensor inputs
  • Supports diode, RTD, and thermocouple sensors
  • Sensor excitation current reversal eliminates thermal EMF errors for resistance sensors
  • Two autotuning control loops: 50 W and 10 W
  • IEEE-488 and RS-232C interfaces, analog outputs, and alarm relays

No longer available—it has been replaced by the Model EMPX-H2.

Features of the Model EMPX-HF Electromagnet-based Horizontal Field Probe Station

  • Standard probing plus in-plane horizontal field electromagnetic measurements
  • Generate full field without cryogen or cooldown
  • Probes configured at 30° angles to accommodate electromagnet

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:
    • Patented* current source preserves common mode noise rejection
    • Optically isolated measurement electronics eliminates the potential for ground loops

Features of the 7400-S Series

  • 60 nemu emu noise floor at 10 s/pt
  • 450 nemu emu noise floor at 0.1 s/pt
  • High stability ±0.05% per day
  • Excellent reproducibility
  • Fields to 3.42 T
  • Widest available temperature range—4.2 K to 1,273 K
  • Vector, magnetoresistance, and autorotation options

​The Model 340 has been replaced by the Model 350 and the Model 336. Input option cards still available for the Model 340 — please see the discounted equipment page.

Model 340 features

  • Operates down to 100 mK with appropriate NTC RTD sensors
  • Two sensor inputs; expandable to ten sensor inputs
  • Supports diode, RTD, capacitance, and thermocouple sensors
  • Sensor excitation current reversal eliminates thermal EMF errors
  • Two autotuning control loops: 100 W and 1 W
  • IEEE-488 and RS-232C interfaces, analog outputs, digital I/O, and alarm relays