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

lifetime warranty
  • Lifetime Warranty on API Modules
  • LoopTracker ® LEDs
  • Hot-Swappable Plug-In Design
  • Zero and Span Output Calibration
  • Push to Test Output
  • Full I/O/Power Isolation

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for product information

How to Order

  1. Select a model
  2. See data sheet for ordering info and options
  3. Note that options affect pricing
  4. Request a quote via chat or call us
  5. 2-5 day typical lead time + shipping time
  6. 5-10 day lead time for quantities of 5 or more + shipping time
  7. To place your order
Model
Input/Output
Features
Product

Potentiometer Input Alarm Trips


Factory Configured
APD 1800  from $289
APD 1820  from $309

Open Datasheet
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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
  • 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 UL approved
APD 1800, APD 1820

Potentiometer to DC Isolated Signal Conditioner


Factory Configured
API 4003 G I  from $309

Open Datasheet
Download Datasheet
Input range
Any full-range potentiometer
0-100 Ω to 0-1 Mega Ω
Specify output range
Factory configured
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA
  • Hot-swappable plug-in design
  • RepalcesAction AP 4003
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Uses API-008 8-pin socket
  • 115 VAC powered
  • A230 option for 230 VAC
  • P option for 85-265 VAC, 60-300 VDC power
  • D option for 9-30 VDC power


Api 4003G I UL listed
API 4003 GI

Potentiometer to DC Isolated Signal Conditioner


Factory Configured
APD 4003  from $289

Open Datasheet
Download Datasheet
Input range
Any full-range potentiometer
0-100 Ω to 0-1 Mega Ω
Specify output range
Factory Configured
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD4003 UL approved
APD 4003

Potentiometer to DC Isolated Signal Conditioner


Field Selectable Minuteman Setup


API 4008 G  from $319

Open Datasheet
Download Datasheet
Any full-range potentiometer
0-100 Ω to 0-1 Mega Ω
18 field configurable outputs
0-1 V to 0-10 V
±1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
  • Minuteman one-minute setup
  • Hot-swappable plug-in design
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Uses API-008 8-pin socket
  • 115 VAC powered
  • A230 option for 230 VAC
  • P option for 85-265 VAC, 60-300 VDC power
  • D option for 9-30 VDC power


Api 4008G UL listed
API 4008 G

Potentiometer to DC Isolated Signal Conditioner


Field Selectable Minuteman Setup


APD 4008  from $309

Open Datasheet
Download Datasheet
Any potentiometer
0-100 Ω to 0-1 Mega Ω
0 to 90% offset capable
Can use partial potentiometer ranges
18 field configurable outputs
0-1 V to 0-10 V
±1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA
  • Minuteman one-minute setup
  • Removable plugs
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power

APD 4008 UL approved
APD 4008

Universal Input to DC Isolated Signal Conditioner


Field Programmable


APD 8000  from $399

Open Feature Summary
Download Feature Summary
Open Datasheet
Download Datasheet
Field configurable inputs
DC volts: 35 ranges from ±25mVDC to ±10 VDC
DC mA sinking input, 20 ranges from ±0.5mADC to ±20mADC
Potentiometer: 100Ω min. to 1 MegaΩ max.
Thermocouple: J, K, T, E, R, S, N, B, C, D, G, M, P
RTDs: 2, 3, or 4 wire, 10Ω to 8000Ω RTDs
Thermistor: 44000 series, YSI 400, Spectrum
Custom input available
18 field programmable output ranges
Voltage: 0-1V, 0-2V, 0-4V, 0-5V, 1-5V, 0-8V, 0-10V, 2-10V,
±5V, ±10V
Current: 0-2mA, 0-4mA, 0-8mA, 0-10mA, 2-10mA, 0-16mA,
0-20mA, 4-20mA
Can be wired for sink or source
  • Switch and pushbutton setup
  • Removable plugs
  • Input LoopTracker LED
  • Output test button
  • Full I/O/power isolation
  • Selectable output sink/source
  • 20 V output loop power supply
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power
  • For orders of 5 or more, call us for lead times

APD8000 UL approved new!
APD 8000

IsoSplitter ® Signal Splitter
1 Potentiometer Input to 2 DC Outputs


Factory Configured
APD 3393  from $499

Open Datasheet
Download Datasheet
Use any full range 100 Ω to 1 MΩ potentiometer
Specify output range for each channel
2 independent output channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • One potentiometer input
  • Two isolated DC output channels
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • I/O LoopTracker LEDs
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

Potentiometer IsoSplitter UL approved
APD 3393 Potentiometer IsoSplitter

DuoPak ® 2 Channel Isoalted Signal Conditioners


Factory Configured
APD 2000 Series  from $519

Specify input range for each channel
APD 2003 Ch1: DC mV/V/mA Ch2: Potentiometer
APD 2013 Ch1: RTD Ch2: Potentiometer
APD 2033 Ch1: Potentiometer Ch2: Potentiometer
APD 2035 Ch1: Potentiometer Ch2: Strain gauge
APD 2036 Ch1: Potentiometer Ch2: AC mV/V/mA
APD 2037 Ch1: Potentiometer Ch2: Frequency
Specify output range for each channel
2 independent channels
0-1 V to 0-20 V
±1 V to ±10 V
0-1 mA to 0-25 mA, 4-20 mA
  • Optional I/O reversal
  • I/O LoopTracker LEDs
  • Selectable sink/source mA output
  • 20 V output loop power supplies
  • Output test buttons
  • Full I/O/power isolation
  • Removable plugs
  • DIN rail mount
  • 45 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D for 9-30 VDC, 10-32 VAC power

DuoPak UL approved
APD 2000 Series Potentiometer

Head-Mount Universal Transmitter, Isolated


Field Programmable


Fits DIN Form B Heads
T121  $159 *in stock*

Open Datasheet
Download Datasheet
Open Installation Manual
Download Installation Manual
Click to see ALL Seneca products
Programmable
Input: Pt100 or Ni100, Pt500, Pt1000
J, K, R, S, T, B, E, N
Potentiometer
mVDC, VDC
Selectable Output
Output: 4-20 mA, 20-4 mA
  • Order T121-C for pre-programmed I/O
  • 44 mm dia
  • EASY-USB configuration
  • I/O isolation
  • Low cost
  • DIN B with 5.8mm (0.228"dia) center hole
  • Power: 7 to 30 VDC current loop

T121 CE logo new
T121
Programming kitK121
K121
Includes
Converter
Software mini CD (or download latest)
Adapter cable (std USB cable not included)
EASY-USB
EASY-USB

4 Digit 4-20 mA Loop Powered Display


Field Rangeable


S315  $139 *in stock*
S315-IP66  $300

Open Datasheet
Download Datasheet
Open Installation Manual
Download Installation Manual
Click to see ALL Seneca products
Loop Powered Display
Input: 4-20 mA
Display: 4 digit red LED
  • 1/8 DIN panel mount or IP66 housing
  • Scaleable 4 digit display

CE logo new!
S315
S315
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