USB Potentiometer Interface | High Speed

At a Glance

Simple USB Connection
No external power supply required
Data Logging via Toolkit Software
ASCII Protocol
High Speed: 100 Readings/Second max.
Free Toolkit Software Included
High Stability with 1 part in 200,000 resolution

Converts a Potentiometer Output to a Digital Input Direct to Your PC
Easy to Use – Simply Plug & Play
Cost Saving – No Need for Additional Amplifiers
Works With Any Potentiometer-Based Sensors
Fast Data Analysis – With Direct USB Connection
View the Results Instantly with the FREE Downloadable Software

Description

The DSCUSB-PT USB potentiometer interface is a single-channel USB interface designed to convert potentiometer sensor outputs into a digital USB serial input. It is very compact and housed in a rugged plastic case rated to IP50 making it suitable for all indoor environments. It is ideal to use with our range of Micro-Epsilon draw-wire sensors of which Applied Measurements are an approved distributor.

The DSCUSB-PT potentiometer interface plugs directly into your PC and requires no additional power supplies, as it derives all its power requirements directly from the USB bus.

The potentiometer digitiser interface utilises the ASCII protocol and features high resolution to 1 in 200,000, 7-point sensor linearisation and high speed measurements at rates up to 100 readings/second.

PC-based calibration of the USB potentiometer interface is very easy to perform using the DSCUSB-PT Toolkit software which is supplied free of charge. The potentiometer signal can be read directly from the sensor or input numerically using figures from the sensor calibration certificate. Other features includes linearization and temperature compensation.

The free Toolkit software also features a data logging function that allows the user to log data to a spreadsheet compatible CSV file at rated up to 100Hz.

Below you can download the DSCUSB Toolkit software which allows calibration and configuration of the DSCUSB-PT potentiometer interface module along with monitoring and data logging. There is also a link to download the DSCLog24 which provides up to 24 channels of live monitoring and data logging, allowing multiple DSCUSB-PT modules to be used simultaneously.

If you require a strain gauge signal to be converted to USB, try our DSCUSB USB load cell interface instead.

Technical Specifications

Parameter	Min	Typical	Max	Units
Potentiometer Measurement	3-wire
Potentiometer Excitation Voltage		5		Vdc
Potentiometer Drive Capability		500		Ohms
Offset Temperature Stability		1	4	ppm/˚C
Gain Temperature Stability		3	5	ppm/˚C
Non Linearity before Linearization		5	25	ppm of FR
Internal Resolution		24 million		Counts/divs
Noise Free Resolution at 1 Sample Per Second		500,000		Counts/divs
Power Supply Voltage (USB)	4.5	5	5.5	Vdc
Power Supply Current (500 Ohm Potentiometer)		68	75	mA
Operating Temperature Range	-40		+85	˚C
Storage Temperature	-40		+85	˚C
Humidity	0		95	%RH
Protection	IP50
Dimensions - Cased Version	70.5 x 51 x 20mm excluding 9-way ‘D’ type socket connector. 74.5 x 51 x 20mm including connector.