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Heaters - Instrumentors Supply
Inc. is proud to offer industrial
heaters from Watlow Electric, Process
Technology, Glo-Quartz, and other
heater manufacturers for all your
heating application requirements.
From simple band and strip heaters
used in plastics processing, to
complex process heaters used in
billion dollar semiconductor Fabs, ISI
has the products to meet your electric
heating needs.
Temperature/Process Controls - Instrumentors Supply Inc. is proud to offer a full line of Watlow, Fuji, Omron, and other manufacturers’ temperature control systems, power controls, motor speed controls and other process instrument controls. With a full compliment of features and sizes from 1/32 DIN to 1/4 DIN, ISI has the right products for all your control needs.
Temperature Sensors - ISI offers temperature sensors from Watlow, Eustis, Thermologic Enterprises and other industry leading manufacturers.  From plastic injection molding to semiconductor processing and everything in-between, ISI has the right thermocouples and RTD's to support your industrial process.
Sensors - Proximity, Humidity, Motion, pH and more...Instrumentors Supply Inc. offers several leading name sensor manufacturers for all your sensing application requirements. Humidity sensors, Level, pH, ultrasonic, proximity sensors, temperature, motion sensors and other sensors are in stock, or available with short notice.
Control Panels - ISI's UL508 electrical control panels and control systems are convenient, ready-to-connect units that utilize temperature, power, multi-loop, process and related safety limit controllers in NEMA-rated enclosures. Controller options include auto-tune, PID, on-off and percent power. Industry standard I/O options meet virtually all applications while enclosure NEMA ratings and Agency approved temperature, limit and power controllers mean built-in reliability.
Counters & Timers - Instrumentors Supply Inc. offers a full line of Omron, ATC Tenor, Carlo Gavazzi and other manufacturers’ electronic counters and timers. With a full compliment of features and sizes, ISI has the right counters and timers for your industiral needs.
Manufacturers - Instrumentors Supply Inc. has partnered with leaders in the industrial heat and automation fields to provide the best in class solutions for all of your heat and process needs.

Check out our New Online Store!

You can now buy some of our more common stocked items right from our online store.  Simple click on the "Online Store" tab at the top of the page!
Huge Sale on Current inventory of Thermocouples!

ISI is clearing out our current inventory of thermocouples with savings up to 50%!

Check out our online store now!
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Fast Response Copper RTD's

Instrumentors Supply, Inc. is excited
to introduce our new line of custom
copper RTD's.  With as much as 63%
faster response time compared to
standard Stainless Steel designs.

We offer both copper-core and copper-
sheath models that offer quicker re-
sponse time, better accuracy and are
able to maintain a more linear curve
without significant drift for over a

Contact us today for more information!