Potentiometer to Analog Signal Conditioners, Converters, Isolators, Transmitters, Alarms
6 Year Warranty on API Modules LoopTracker^® I/O LEDs Hot-Swappable Plug-In Design Zero and Span Output Calibration Push to Test Output Full I/O/Power Isolation Links Product brochure Options & accessories Regulatory compliance Click on PDF links below for product information	Reference Info Ground Loops RFI/EMI LoopTracker and Output Test Sink vs Source Applications Manual burner control Motor load control Milling machine feed Phase separtor water level Damper position Phase separtor water level Fail safe valve control Municipal water tower level Blower louver position Steam Condensate Monitoring	How to select your product Open pdf datasheet for your model Select model, range, units, options, accessories Contact us if you need assistance Need a quote? Contact us at , or Get a quote via "Chat with us" below, or Call 800-942-0315 and ask for Sales	Ready to order? Send your order to If you don't have open terms with us, we'll call you for your credit card info Other ways to order Click here to set up an account Click here to find your authorized dealer or if you are outside the USA Call us to find your local authorized distributor
Model	Input/Output	Features	Product
Potentiometer Input Alarm Trips Factory Configured APD 1800 from $379 APD 1820 from $399 Open Datasheet Download Datasheet	Any full-range potentiometer 0-100 Ω to 0-1 Mega Ω APD 1800 Single Alarm Trip Dual SPDT contact sets Standard: HI alarm, non-latching, normal acting See data sheet for alarm options APD 1820 Dual Alarm Trip 2 independent SPDT contact sets Standard: HI/LO alarms, non-latching, normal acting See data sheet for alarm options	User adjustable setpoint(s) User adjustable deadband(s) 8 Amp SPDT contacts Input LoopTracker LED Alarm status LEDs Alarm options: LO, HI/HI, LO/LO, band alarm Optional reverse acting Optional latching alarms Push to test/reset Remote push to test/reset Full I/O/power isolation Removable plugs DIN rail mount without tools Universal power 85-265 VAC, 60-300 VDC D option for 9-30 VDC, 10-32 VAC power	APD 1800, APD 1820

Potentiometer to Analog Signal Conditioners, Converters, Isolators, Transmitters, Alarms

6 Year Warranty on API Modules

LoopTracker^® I/O LEDs

Hot-Swappable Plug-In Design

Zero and Span Output Calibration

Push to Test Output

Full I/O/Power Isolation

Links
Product brochure
Options & accessories
Regulatory compliance

Click on PDF links below
for product information

Reference Info
Ground Loops
RFI/EMI
LoopTracker and Output Test
Sink vs Source

Applications
Manual burner control
Motor load control
Milling machine feed
Phase separtor water level
Damper position
Phase separtor water level
Fail safe valve control
Municipal water tower level
Blower louver position
Steam Condensate Monitoring

How to select your product

Open pdf datasheet for your model
Select model, range, units, options, accessories
Contact us if you need assistance

Need a quote?

Contact us at , or
Get a quote via "Chat with us" below, or
Call 800-942-0315 and ask for Sales

Ready to order?

Send your order to
If you don't have open terms with us,
we'll call you for your credit card info

Other ways to order

Click here to set up an account
Click here to find your authorized dealer or
if you are outside the USA
Call us to find your local authorized distributor

Model

Input/Output

Features

Product

Potentiometer Input Alarm Trips

Factory Configured

APD 1800 from $379
APD 1820 from $399

Open Datasheet
Download Datasheet

Any full-range potentiometer
0-100 Ω to
0-1 Mega Ω

APD 1800 Single Alarm Trip
Dual SPDT contact sets
Standard: HI alarm, non-latching, normal acting
See data sheet for alarm options

APD 1820 Dual Alarm Trip
2 independent SPDT contact sets
Standard: HI/LO alarms, non-latching, normal acting
See data sheet for alarm options

User adjustable setpoint(s)
User adjustable deadband(s)
8 Amp SPDT contacts
Input LoopTracker LED
Alarm status LEDs
Alarm options: LO, HI/HI, LO/LO, band alarm
Optional reverse acting
Optional latching alarms
Push to test/reset
Remote push to test/reset
Full I/O/power isolation
Removable plugs
DIN rail mount without tools
Universal power 85-265 VAC, 60-300 VDC
D option for 9-30 VDC, 10-32 VAC power

APD 1800, APD 1820

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Potentiometer to Analog Signal Conditioners, Converters, Isolators, Transmitters, Alarms

Potentiometer Input Alarm Trips

APD 1800 from $379 APD 1820 from $399

APD 1800 from $379
APD 1820 from $399