Frequency or Pulse to Analog DC Signal Converters and Transmitters

• Lifetime 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

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
RFI/EMI
LoopTracker and Output Test
Sink vs Source

Applications

Remote monitoring of motor speed
HVAC variable air volume control
Hall-effect flow sensor
Auto-ranging flow meter
Control and record water flow
Isolate & convert flow meter signal
Isolate & convert gas flow meter signal

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

• Call 800-942-0315 for credit card order
• Find your authorized representative
• Call us to find your local distributor
• Set up an account to use a purchase order
• Outside the USA?

Frequency to DC Isolated Signal Conditioner

Factory Configured

API 7010 G  from $369

Open Datasheet
Download Datasheet

Specify input range
Factory configured
0-25 Hz to 0 to 20 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available
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
• I/O LoopTracker LEDs
• Output test button
• Full I/O/power isolation
• Uses API-008 8-pin socket
• Lifetime warranty
• 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

Frequency to DC Isolated Signal Conditioner

Factory Configured

APD 7010  from $339

Open Datasheet
Download Datasheet

Specify input range
Factory configured
0-25 Hz to 0 to 20 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available
Specify output range
0-1 V to 0-10 V
±1 V to ±10 V
0-1 mA to 0-20 mA, 4-20 mA

• Accepts most frequency & prox sensors
• Removable plugs
• I/O LoopTracker LEDs
• Output test button
• Full I/O/power isolation
• Selectable output sink/source
• 15 V sensor power supply
• 20 V output loop power supply
• Universal power 85-265 VAC, 60-300 VDC
• D option for 9-30 VDC, 10-32 VAC power

Frequency to DC Isolated Signal Conditioner

Field Selectable Minuteman Setup

APD 7580  from $355

Open Datasheet
Download Datasheet

30 field configurable input ranges
Low range: 0-100 Hz to 0-1500 Hz
High range: 0-2 kHz to 0-30 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available
16 field configurable outputs
0-1 V to 0-10 VDC
±1 V to ±10 V
0-2 mA to 0-20 mA, 4-20 mA

• Accepts most frequency & prox sensors
• Minuteman one-minute setup
• Removable plugs
• I/O LoopTracker LEDs
• Output test button
• Full I/O/power isolation
• Selectable output sink/source
• 15 V sensor power supply
• 20 V output loop power supply
• Universal power 85-265 VAC, 60-300 VDC
• D option for 9-30 VDC, 10-32 VAC power

Frequency to DC Isolated Signal Conditioner

Field Selectable Minuteman Setup

API 7580 G  from $379

Open Datasheet
Download Datasheet

30 field configurable input ranges
Low range: 0-100 Hz to 0-1500 Hz
High range: 0-2 kHz to 0-30 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available
16 Field configurable outputs
0-1 V to 0-10 VDC
±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
• Lifetime warranty
• 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

IsoSplitter ^® Frequency Signal Splitter
1 Frequency Input to 2 DC Outputs

Factory Configured

APD 7393  from $499

Open Datasheet
Download Datasheet

Specify frequency range
Factory Configured
10-25 Hz to 0-20 kHz
100 mV to 150 VRMS amplitude
Sensor power supply available
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

• One frequency input
• Two isolated DC output channels
• 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 ^® 2 Channel Isolated Signal Conditioners

Factory Configured

APD 2000 Series  from $519

Specify input range for each channel
APD 2007 Ch1: DC mV/V/mA Ch2: Frequency
APD 2017 Ch1: RTD Ch2: Frequency
APD 2037 Ch1: Potentiometer Ch2: Frequency
APD 2057 Ch1: Strain gauge Ch2: Frequency
APD 2067 Ch1: AC mV/V/mA Ch2: Frequency
APD 2077 Ch1: Frequency 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

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