Liquid Level Instrumentation

AMI provides many level measurement solutions which include several models of liquid level meters, level gauges, level transmitters and level controllers. These instruments are suited for measuring levels of liquid helium, nitrogen, liquefied natural gas, carbon dioxide, argon, and other industrial or laboratory liquids. These instruments are also referred to as cryogen level monitors. Resistance-based sensors are used for measuring liquid helium via use of a superconducting filament. Capacitance-based sensors are utilized for all other liquids.

AMI also specializes in producing custom solutions for your level measurement requirements. Contact an Authorized AMI Sales Representative to discuss your level measurement needs for aerospace, manufacturing, research, or other application areas. AMI welcomes OEM inquiries for standard or customized instruments.

Liquid Helium Level Instruments
AMI's liquid helium level systems provide reliable level measurements in an extremely low temperature environment. These inexpensive instruments will protect your experimental device by ensuring the helium level is maintained in an optimal operating range. AMI is the industry leader in liquid helium level measurement technology.

Model 110A LHe Level Meter	Click the image above to view the Liquid Helium Level brochure in Adobe Acrobat 4.0 format (document size is 1552 KB).
Model 150A Hand-held Portable LHe Level Meter
Model 135 Sample-and-Hold LHe Level Monitor
Model 135-2K Sample-and-Hold LHe Level Meter
Model 136 Sample-and-Hold LHe Level Controller
Model 137 Multi-Sensor Sample-and-Hold LHe Level Monitor Discontinued - Limited Stock Available
13x Series Interface Options
Model 160 Liquid Helium LHe Level Dipstick
Liquid Helium Level Sensors
Liquid Helium Transfer Line

Liquid Level Instruments
AMI's liquid level systems provide safe and reliable capacitance-based level measurements of liquids in a variety of demanding environments. Models range from inexpensive table-top models suitable for laboratory use to ruggedized models for industrial applications. Unattended auto-fill systems are also available for:

Standard 5 to 50L dewar sizes for X-ray crystallography and gamma/X-ray detectors
IR/CCD detector dewars with volumes of < 0.25 liters
All attitude dewar + refill systems that can automatically fill in any physical position

AMI has considerable experience with the unique requirements for measuring and controlling cryogenic liquid levels and other low-dielectric fluids.

Model 185 Liquid Level Instrument

Click the image above to view the Liquid Level, Auto-Fill, Multi-Channel Liquid Level Controller and Industrial Level Transmitter brochures in Adobe Acrobat 4.0 format
(document sizes are 852 KB and 762 KB).

Model 186 Liquid Level Controller

Model 187 Self-Compensating Liquid Level Controller

Model 188CPS Point Sensing Instrument

18x Series Interface Options

Model 286 Multi-Channel Liquid Level Controller

Select Level Measurement Application Notes

Liquid Level Sensors

LNG or Hydrogen Fuel Gauge System

Industrial Probe Brochure

Model 175 Industrial Level Transmitter

Model 32E Exp Proof - IS Level Transmitter

Denotes a PDF format brochure is accessible from the individual product page.