AllianceSensors.com - H.G. Schaevitz LLC Click here for Home Page       

            

Products By Application

  • Aerospace / Military
  • Civil Engineering
  • Energy and Power Generation
  • Factory Automation Linear Position Sensors
  • Hydraulic Cylinder Position Sensors
  • Industrial / OEM
  • Subsea / Marine Hydraulics
  • Mobile Hydraulics
  • Motor Sports

Products By Type

  • Hydraulic Cylinder Position Sensors
    • Embedded
    • Port Mounted
  • Linear Position Sensors
    • LVIT Position Sensors
      • LVIT - Industrial Automation
      • LVIT - Heavy Duty Industrial
      • LVIT - Extreme Duty
    • LVDT Position Sensor Products
      • LVDT - Power Generation
      • LVDT - Heavy Duty
      • LVDT - Industrial
    • LVDT - Gauging Probes
      • Digital Gauging Probes
      • Analog Gauging Probes
    • Linear Potentiometer Position Sensor
  • Sensor Signal Conditioning and Instrumentation
  • Temperature Sensing Products
    • Temperature Probes
    • Thermocouple Heads
    • Pyrometer Meters and Electronics
    • Pyrometer Kits
  • Rotary Sensors
    • All Rotary Sensors
  • Sensor Mounting Accessories
  • Spring Loaded LVIT

Technical Information

  • Product Catalog
  • Application Notes
    • Linear Position Sensor
    • LVDT Position Sensor
    • LVDT Signal Conditioning
    • Rotary Position Sensor
    • Position Sensor Technology Comparison
  • Datasheets
  • Manuals
    • Product Manuals
  • FAQ
    • Linear Position Sensor FAQ
    • LVDT Position Sensor FAQ
    • LVDT Signal Conditioning FAQ
    • Rotary Position Sensor FAQ
    • Position Sensor Technology Comparison
  • Downloads
    • GUI Software for SC-100
    • GUI Software for S1A

Corporate Info

  • Contact Us
  • Reps and Distributors
  • About Our Company
    • About Our Company
    • Alliance Sensors Group Terms and Conditions
    • RMA Evaluation Fees for returns
  • News Articles
    • The Three Rs of Sensors
    • True Cost of Ownership - parts 1, 2, and 3
    • LVIT Technology Factory Automation
    • LVIT Technology: What is it and where does it fit into the sensor world?
    • Industrial Trends
    • Position Sensor Technology Comparison for hydraulic cylinder feedback
    • Bridge Monitoring Systems
    • GE Position Sensors on Power Gen Turbines
    • What's So Good About LVIT Technology
    • LVIT Technology™ Solves the Age Old Problem- Reliability vs Cost
    • S1A Used to Solve Multi-channel LVDT Measurement System Susceptibly
  • Press Releases
  • Site Map
Home

FAQ

FAQ Position Sensors and Electronics H. G. Schaevitz LLC Learn more about our linear position sensors and electronics. Need to talk to an engineer? Call us at 856-727-0250

GE Position Sensors for Power Generation Turbines

By: Ed Herceg  Chief Technology Officer 

  • Read more

ASG LVDT signal conditioner using its RS-485 communication port

  • Read more

ASG LVDT Signal Conditioning modules Graphic User Interface (GUI) Instructions

1. Connect a 2-wire RS-485 port converter to the computer on which this GUI is to run and connect the converter's output terminals to the RS-485 bus connections on the LVDT module(s),  Data A (D-) connects to terminal J3-2 and Data B (D+) connects to terminal J3-1, but always follow the data polarity (D) indicated above, regardless of the letters used for the data lines.

  • Read more

Linear Position Sensor Calibration using SenSet® Field Programmability

Alliance Sensors' LVIT Linear Position Sensors offer SenSet® Field Programmability. SenSet® allows the installer to very simply and quickly exactly match the full scale electrical output of a sensor to the actual mechanical movement range of the device in which the sensor is installed. 

  • Read more

Specific differences between ASG's S2A and SC-200 LVDT signal conditioner modules

The S2A and SC-200 LVDT signal conditioners are very similar; however, each unit was designed with specific features for the markets it serves in mind, so there are a few differences between them.

  • Read more

GE Position Sensors on Power Gen Turbines

How they work and how to use them with a third-party LVDT signal conditioner designed specifically for Power Gen Applications

LVDTs (Linear Variable Differential Transformers) are very commonly used as position sensors in power plants throughout the world. Working from AC voltages and frequencies not available from power lines, LVDTs require a signal conditioner to provide the necessary operating power. Alliance Sensors Group's model S2A module, designed specifically to be used in power gen applications, is considered by many power gen users be the most advanced and easy to use single channel LVDT signal conditioner on the market today. It can operate practically any inductive or LVDT-type position sensor currently in use.

  • Read more

Quick Start Guide Installation of MR-7 Series In-cylinder Position Sensors

Mechanical installation: MR-7 in-cylinder position sensors are designed to be inserted into an o-ring port machined into the rear endcap of the hydraulic cylinder.  Standard MR-7s use an SAE J1926-1 -8 port with a 3/4-16 UNF thread. Metric threaded versions use an ISO 1649-1 port with a M18 x 1.5 thread. Both ports are Illustrated below.  For either size port, the sensor's male thread comes with a Viton o-ring installed.

SAE J1926-1  -8 Port

  • Read more

Quick Start Guide ME-7 In-cylinder Position Sensor Installation

Mechanical installation: An ASG ME-7 in-cylinder position sensors is embedded into a 48 mm diameter
cavity in the rear endcap of a hydraulic cylinder. It may be inserted from the front of an unassembled
cylinder or from the rear of a cylinder with a two-piece endcap with a separate end cover.
 
 
  • Read more

What's So Good About LVIT Technology and What Is It All About, Anyway?

Alliance Sensors Group, a division of H.G. Schaevitz, LLC, has developed a linear position sensing technology called LVIT that offers an excellent price-to-performance ratio compared to other linear position sensing technologies such as LVDTs, linear potentiometers, and magnetostrictive devices. Furthermore, LVITs can offer the best stroke-to-length ratio of any contactless linear position sensor, because their overall length only increases by a relatively small percentage beyond their stroke.

View Most Commonly Used LVITs Here! 

View Most Commonly Used In-Cylinder Position Sensors Here! 

  • Read more

Signal Conditioners Comparison

 Comparison S2A to S1A signal conditioners
 Comparison SC-200 to SC-100 signal conditioners
   

  • Read more

Grounding practice to minimize ground loop issues for sensors with a common I/O ground

Concerns about the effects of a common ground on the individual outputs from multiple ASG’s LVIT sensors can be remedied by using a single ground point. This ground point, which should be made at the input ground of electronics used to monitor or measure the sensors’ outputs, is where the power ground/output ground lead for each of the sensors is connected, along with the power supply’s ground. Separate connections are used for each sensor’s power positive and output. By connecting sensors in this manner, variations in the ground currents or output currents of individual sensors are not combined into the outputs of any other sensors in the system. This grounding connection approach obviates the need for isolated outputs and is the universally recommended grounding practice for minimizing ground loop issues. However, if a customer is unable to make the recommended grounding connection, multi-channel isolation modules are available from several sources at relatively low cost per channel.

Connecting to Alliance Sensors Group’s current loop output LVIT sensors

Alliance Sensors Group, a div of H G Schaevitz LLC, Moorestown, NJ, USA, makes position sensors utilizing Linear Variable Inductance Transducer (LVIT) technology which offer analog outputs of both voltage and current loop, the most common of which are 0 – 10 Volts DC and 4 – 20 mA DC. A voltage output is typically used in applications that have a receiving device, i.e.: PLC, DAQ system, or readout, located close by so the interconnecting wiring is not very long and can be shielded if necessary to prevent noise or EMI being coupled into the output.

Video_anchor: 

  • Read more

4 to 20 mA Current Loops Made Easy

Understanding current loop output sensors

For analog sensor data transmission, a 4-20 mA current loop is a very common method to convey the sensor data acquired. Sensors or transducers are usually designed to measure a range of values of the measured parameter, which is known as the measurand. The measurand value must be converted to current within the measuring device in such a way that the current in the loop will be proportional to the measurand value. The range of the loop current, 4 mA to 20 mA, is called the span of the transmitter. The transmitter is typically configured so that one end point of the measurement value will correspond to 4 mA and the other end point value measured will correspond to 20 mA.

The 4-20 mA current loop has become the standard for signal transmission and electronic control in most analog control systems. A 4-20mA current loop circuit is shown in Figure 1. In a current loop, the current is drawn from a DC loop power supply, then flows through the transmitter using field wiring connected to a loop load resistor in the receiver or controller, and then back to the loop supply, with all elements being connected in a series circuit. All current-loop-based measuring systems use at least these four elements.

  • Read more

Our Technical Support Staff:  We have more than 150 years and three generations in the position sensor business and are expert application engineers at what we sell. We have real world experience and know how to solve your measurement challenges. Need technical help with your measurement application? Call us today 856-727-0250. 

Our Web Site: We are constantly improving our website and adding new sensors to our product offerings.

 

Authorized 

Distributors For:

HGSI Temperature Sensing Products

Temperature Sensing Products

Have a Question?

Need pricing or have questions about a product?

Speak to an experienced application engineer at H. G. Schaevitz Alliance Sensors Group by calling us at 856-727-0250 or contact us by clicking here.

We will provide you with fast reliable service the first time you call.

Popular Content

Today's:

  • Linear Position Sensor Calibration using SenSet® Field Programmability
  • What's So Good About LVIT Technology and What Is It All About, Anyway?
  • Product Manuals

All time:

  • About Our Company HG Schaevitz LLC Alliance Sensors Group
  • LVDT Signal Conditioner DIN Rail Mounted S1A Series SUPERCEDED BY S2A

Last viewed:

  • Product Manuals
  • Datasheets for Sensor Products and Electronics
  • LVIT Linear Position Sensor LR-19 Series