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Universal Input

Thermocouple I/O & Alarms

2 Channel I/O

AC Alarms, AC Input

Current Sensors

DC Alarms, DC Input

DC to Frequency

Head-Mount Transmitters

Frequency Alarms

Frequency to DC

Load Cell Amplifiers

Loop Isolators

Math Modules

Potentiometer Input

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RTD Temperature Indicators,
Alarms & Transmitters

Seneca Products

Signal Splitters

Valve Positioners

Accessories & Sockets


APD 8000 Universal Input Signal Conditioner
mADC, VDC, 13 T/Cs, 15 RTDs, 7 Thermistors, Potentiometer
*Free I/O Range Setup*

AP 4380
Need a discontinued module? We can cross-reference most Action models. Many API plug-in models are pin-for-pin compatible
Contact us for a quote!

APD 41393
APD 41390 Thermocouple Converters
Convert Your T/C to a Different T/C or a DC Output

k121 K-line

K-Line Thin DIN 6 mm Transmitters
Call us for ModBUS, CANopen, Ethernet Devices
API 1090G APD4380
DC Input Transmitters and Alarms
APD4930 IsoSplitter
IsoSplitter® Signal Splitters
DuoPak®2 Channel Signal Conditioners
Load Cell Amplifiers
Strain Gauge Alarms

current sensor current switch

Current Sensors & Switches
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API and Cecomp Product Summary
API Cecomp brochure
Application Notebook
API-Cecomp AppNotes 2018
Cecomp Aircraft Service
Cecomp aircraft service
API Brochure
API brochure
APD 4930 Features
APD 4930 Features
APD 8000 Universal Input
APD 8000 Features
API 4130 GL New Version
API 4130 GL New Features
Seneca K-Line Brochure
Seneca K-Line brochure
APD Series
APD signal conditioners
IsoSplitter Signal Splitters
APD IsoSplitter signal splitters
High Voltage Input
APD high voltage input signal conditioners
API plug in signal conditioners
API plug in signal conditioners

Our Mission: Absolute Process Instruments is committed to designing, manufacturing, and selling quality products that provide our customers with cost-effective solutions to their industrial process measurement challenges, while maintaining long-term harmonious and mutually beneficial relationships with our customer, dealers, distributors, suppliers, employees, and shareholders.

Since 1988Absolute Process Instruments History