Sorry about that, but what you were looking for was not found.

It's possible it's been renamed, moved, or a link is outdated.
If you are looking for older product information try Discontinued Products.
You can always call us, use chat, try the search box, or email us.

COVID-19 Information

lifetime warranty Click here for

API product brochure

API Price List, 02-01-20
Please request a copy via chat

NAFTA certificate 2020

Industry Cross reference


Application notes

T/C Converters/Splitters

Universal transmitters

Seneca products

Head mount transmitters

AC alarm trips

AC signal conditioners

Current sensors

DC alarm trips

DC signal conditioners

2 ch. signal conditioners

Math modules

Frequency alarms

Frequency to DC

DC to frequency

Loop isolators

Power supplies

Potentiometer input

P-I converters

RTD alarms & transmitters

Signal splitters

Load cell amplifiers

Thermocouple alarms

Thermocouple transmitters

Temperature indicators,
alarms & transmitters

Valve positioners

Accessories & sockets

As a critical manufacturing business we continue to run our operations at normal levels and are doing our best to ensure the usual availability, quality and speed of service you have come to expect from us. Thank you for your continued confidence in API/Cecomp as your business partner!

API 1090G APD4380
DC Input
Transmitters and Alarms

APD 41393 New!

APD 41390 Thermocouple Converters
Any Thermocouple Input to
Any Thermocouple Output or
DC Process Output

k121 K-line
K-Line Thin DIN 6 mm Transmitters
Call API today for information and pricing on ModBUS, CANopen, Ethernet Devices

Seneca T121 New!

New Microprocessor-Based
Head Mount Process Transmitters
NEW DC Input Math, Custom Linearization, and Hi-Lo Select Modules
APD4930 IsoSplitter
IsoSplitter® Signal Splitters
DuoPak®2 Channel Signal Conditioners
Load Cell Amplifiers

Strain Gauge Alarms

current sensor current switch
Current Sensors &
Download Our Latest Literature

APD 4930 Features
APD 4930 Features
APD 4000 Features
APD 4000 Features
APD 8000 Features
APD 8000 Features
API 4130 GL New Features
API 4130 GL New Features
Seneca K-Line brochure
Seneca K-Line brochure
API catalog 2015
API 8 pg catalog
APD signal conditioners
APD signal conditioners
APD IsoSplitter signal splitters
APD IsoSplitter signal splitters
APD HV-DC signal conditioners
APD high voltage input signal conditioners
API plug in signal conditioners
API plug in signal conditioners
API brochure
API brochure

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