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M81-SSM synchronous source measure system

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BEYOND THE LOCK-IN.

For materials researchers who demand more — synchronized, low-noise measurements that separate instruments can't deliver. Learn more ▷

	>120 dB dynamic reserve
	<0.0001° RMS phase noise
	True differential I-V source + measure
	Up to 3 source + 3 measure channels
	DC+AC to 100 kHz

BEYOND THE SMU.

For device engineers who need world-class DC precision plus the AC and lock-in capabilities next-generation devices demand. Learn more ▷

	10 to 100× lower source noise than typical DC SMUs
	<100 fA DC sensitivity
	Lock-in voltage sensitivity in a DC+AC SMU format

Now available—ISO/IEC 17025

Lake Shore is proud to have achieved ISO/IEC 17025 accreditation. The following M81-SSM products are now available with 17025 accredited calibrations and reports on request: M81-SSM-6, M81-SSM-4, M81-SSM-2, BCS-10, CM-10, VS-10, and VM-10.

FIRST OF ITS KIND AC + DC + LOCK-IN SMU

A better lock-in amplifier

A lock-in amplifier with all the features you need to accelerate your research—the M81-SSM with the SMU-10 module offers the usual lock-in capabilities plus sourcing and measuring in one easy-to-use package. Set up quickly, avoid setup errors, and be confident signals are noise-free, even on emerging nanomaterials.

See it in Action

EIGHT INSTRUMENTS. ONE SYSTEM.

Everything you need for sensitive I-V measurements — integrated, synchronized, and optimized in one unified system.

A complete materials or device characterization setup has traditionally meant assembling multiple instruments from multiple vendors — DC sources, AC sources, lock-in amplifiers, precision meters, SMUs — each with its own clock, its own ground reference, and its own noise signature. The result is a rack full of instruments that were designed separately and required time and patience, to get them to work together.

The M81-SSM replaces all of it. Eight instruments, unified in one synchronized system — each architecturally optimized, all sharing a common timebase and noise architecture that eliminates the compounding errors of multi-vendor setups.

DC voltage source	100 nV to 10 V, low-noise (350 nV RMS)
AC voltage source	100 µHz to 100 kHz, low-noise (40 nV/√Hz at 1 kHz)
DC current source	10 nA to 100 mA, 150 fA RMS (750 fA peak-to-peak)
AC current source	100 µHz to 100 kHz, 20 fA/√Hz at 10 Hz
Precision voltmeter	Combined AC lock-in with DC component, <10 fA sensitivity
Precision ammeter	Combined AC lock-in with DC component, <100 fA sensitivity
Lock-in amplifier	<0.0001° RMS phase noise, >120 dB dynamic reserve
Source measure unit (SMU)	World-class DC accuracy with AC capabilities and lock-in

M81-SSM COMPONENTS

Components of the M81-SSM

Connect up to three source modules and up to three measure modules
Exchange modules and adapt the configuration for each measurement
All modules are capable of measuring with DC and AC to 100 kHz
All modules are optimized for the highest precision with common amplitude and frequency references