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 Specialists in thermistor analog converter digital signal conditioner and thermistor analog signal 4 20ma transmitter signal conditioner devices. 

With our ROI-XMA & ROI-USB products; we offer the components necessary to make thermistor measurement simple.

2252 ohm at 25 Deg C Thermistor Transmitter

The ROI-XMA thermistor analog signal 4- 20ma transmitter units allow a variety of standard bare bead or probe thermistor sensors to be connected to a variety of industrial plc's, data loggers, or analog conversion digital PC devices to be used to measure temperature.

PT100 100 ohm Platinum RTD Transmitter

The ROI-XMA RTD analog signal 4- 20ma transmitter units allow a variety of RTD resistive temperature detector sensors to be connected to a variety of industrial plc's, data loggers, or analog conversion digital PC devices to be used to measure temperature.

Resistance Bridge Sensor and mV Transmitters

ROI-XMA Bridge Sensor 4-20mA loop powered transmitter 

DIN rail mount surface mount Resistance Sensor Signal Conditioner and voltage transmitters

Allows resistance measurement or mV measurement with a PLC, PC A-D system, or current meter

2252 ohm at 25 Deg C Thermistor USB Measurement System

The ROI-USB thermistor analog conversion digital usb adapter units allow standard ntc thermistor or ptc thermistor 10K thermistors to be used to measure temperature with a Windows XP PC via USB 2.0 ports.

Current and Voltage USB Measurement System

ROI-USB 4-20mA 0-5Vdc 0-10Vdc Measurement Systems

DIN rail mount surface mount pc powered USB Data Acquisition 

process current and voltage measurement

USB Measurement System Software

ROI-USB 4-20mA 0-5Vdc 0-10Vdc Measurement System Software

USB Data Acquisition process current and voltage measurement 

logging and real time display XP software 

Robert Owen Inc.
PO Box 227
Albertson, NY 11507
516-815-3199

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