Analog DC to DC Signal Conditioners, Converters,  Isolators, Transmitters

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

Click on PDF links below
for product information

Literature and Links

API product brochure
Options & accessories
Cross reference
Regulatory Compliance page

UL Approvals

API modules USA
API modules Canada

APD modules USA
APD modules Canada

Reference Info
Ground Loops
LoopTracker and Output Test
Sink vs Source


Monitoring motor speed with a PLC
Building heat SCR control
Manual override of computer control
Monitor pressure with a PLC
Control & monitor with one flow meter
Monitor product moved by conveyor
Pharmaceutical process validation
Dam bubbler
SCR drive voltage
Blower speed
DC motor voltage and current
DC motor current
Bindicator level xmtr to PLC
Special API4300 for engine speed
Contol conveyor material
Sewage pumping stations
Hydraulic fracking control
Anemometer interface to PLC
Special API4300 for engine speed

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

DC to DC Isolated Signal Conditoner
High Voltage DC Input

Field Selectable Minuteman Setup

APD HV-DC   from $395

Open Datasheet
Download Datasheet
8 selectable input ranges
7 standard plus 1 factory set
0-100 VDC to 0-1200 VDC, and custom
specify custom range if required (2000 VDC max.)

18 selectable output ranges
0-1 V to 0-10 V,
±5 V, ±10 V,
0-2 mA to 0-20 mA, 4-20 mA,
  • I/O LoopTracker LEDs
  • Output test button
  • Full I/O/power isolation
  • DIN rail mount
  • 22.5 mm wide
  • Universal power 85-265 VAC, 60-300 VDC
  • D option for 9-30 VDC, 10-32 VAC power