A-M Systems, LLC.

P.O. Box 850, 98324 Sequim, WA
131 Business Park Loop, 98382 Sequim, WA
Telephone +1 360 6838300
Fax +1 360 6833525

Our range of products

Product categories

  • 01  Electromedical Equipment / Medical Technology
  • 01.06  Intense medicine / anesthesiology / respiration
  • 01.06.07  Other equipment for intense medicine / anesthesiology / respiration

Our products

Product category: Other equipment for intense medicine / anesthesiology / respiration


The Model 3100 Intracellular Electrometer is a simple to use low cost full function intracellular amplifier. Research quality recordings made possible by an instrument you can purchase on a teaching budget.

The amplifiers current compensation circuit includes a dual-transient control that provides extremely precise adjustments to transient suppression during membrane recordings. Its DC balance control eliminates the need for an external bridge or a differential input oscilloscope. The DC offset control can eliminate up to ±1V of offset.

An internal square-wave generator supplies a 100Hz current pulse to determine electrode resistance. Capacity compensation can adjust up to 35pF of electrode capacitance. Additional stray capacitance can be reduced by using the driven shield connector on the head stage probe.

The Model 3100’s uses an advanced capacitance “Ringer” for clearing electrode tips and enhancing the membrane penetration of neurons. The Ringer’s amplitude and frequency of the pulsed oscillations sent to the electrode can be adjusted. Low pass filtering combined with a line frequency notch filter are available for the researcher to diminish extraneous frequencies and external line noise.

The current injection system allows for both internally generated and externally generated current. This current can be set for continuous or momentary injection. The sum of the current can be gated by an external TTL logic signal source.

The small size of the amplifier and its remote power supply offer the advantage of placing the amplifier near to the experimental set up. For example, the amplifier can be placed within a Faraday cage with minimal power-line interference.

More Less

Product category: Other equipment for intense medicine / anesthesiology / respiration


The Model 1700 Differential AC Amplifier contains 4 independent amplifier channels in a single enclosure enabling the researcher to record multiple signals simultaneously. Each channel contains a high-gain, low-noise differential stage followed by low-pass, high pass, and notch filters. A connection is also provided for a stimulator input so that recording or stimulating through the same electrode is possible without having to change cabling.

Standard gain settings are x100, x1000 or x10,000, but they can be modified to meet your specific requirements. High and Low Pass filters are 2nd order Butterworth filters, and like the gain, the standard settings can be modified to meet your needs if required.

The Model 1700 Differential AC Amplifier is designed for use with low impedance (<1.5 MΩ) electrodes, and is therefore suitable for use with suction, nerve cuff, hook, surface, and simple metal electrodes. Optional record only headstages are available for situations where you would like to record from electrodes with higher impedances such as those used when recording neural spike action potentials.

More Less

Product category: Other equipment for intense medicine / anesthesiology / respiration


The industry leader in multi-channel data acquisition and analysis systems, DataWave Technologies® SciWorks® Experimenter software suite, combined with their advanced A/D hardware options, is the perfect complement to A-M System’s extracellular amplifiers.

SciWorks® Experimenter is a real-time data acquisition, analysis, and instrument control application designed for a wide variety of electrophysiology experiments. It provides the user with a single interface to control instrumentation, perform real-time data analysis, including multi-unit spike sorting and separation, generate complicated stimulation patterns, and write data to a multiple of common industry defined data formats.

More Less

About us

Company details

A-M Systems is a leading global manufacturer and distributor of high-quality respiratory care products and precision neurophysiology instruments with the goal of making health care innovation and efficiency affordable.

Since 1976, our unwavering commitment to product excellence, competitive prices and customer service has earned us satisfied customers in more than 100 countries. Today A-M Systems continues to deliver innovative products manufactured under the strict standards of ISO 13485:2016, FDA Quality System Regulations (21 CFR PART 820), EU Medical Device Directive, and Canada Medical Device Regulations (SOR/98-282).

The Pulmonary Division designed and developed the popular VBMax™ line of pulmonary function test filters and the versatile ViroMax™ viral-bacterial filter. The Division also answered the growing demands worldwide for OEM products by offering custom packaging, branding and labeling across a wide range of pulmonary and respiratory care products.

We supply some of the world's largest manufacturers and distributors with custom-branded calibration syringes and other pulmonary and respiratory care products. Our PFT kits and breathing circuits, which are designed to help clinicians save time, can also be customized to meet specific needs of a hospital or clinic.

The Neurophysiology Division designs, manufactures and distributes a wide range of scientific A-M Systems Physiology Instrument Circuitboard.instruments, including stimulators, intra- and extracellular amplifiers, and patch clamps. Leading universities and research institutions worldwide use our instruments and accessories, including electrodes, insulated wires and capillary tubing, to perform ground-breaking investigations into learning and memory, Alzheimer's and Parkinson's diseases, and models of stroke, deafness and blindness.

Both A-M Systems Divisions are united by a singular commitment to our customers who challenge us to deliver innovative, high-quality products and services efficiently and affordably.

More Less