Alarms, Amplifiers, and Transmitters for Strain Gauge, Bridge, Pressure Transducer or Sensor, Load Cell Applications |
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Literature and Links
API product brochure Options & accessories Regulatory Compliance page Reference InfoTroubleshooting strain gauge sensors LoopTracker and Output Test Sink vs source Alarm terminology Deadband Relay protection & EMI suppression UL Approvals |
Amplifiers for
Application NotesChemical plant Platform scale Truck scale Dispensing system automation 6-Wire strain gauges Pressure sensor vs. pressure transmitter Pressure transducer calibration Weighing shipping containers Pressure system calibration Pressure transducer calibration Plastic extruder pressure Extrudung guitar strings Custom product for high speed pill presses |
How to Order
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Model | Input/Output | Features | Product |
Isolated DC Amplifier for 1 to 4 Sensors:
Field Selectable Minuteman SetupAPI 4059 G from $355Open Datasheet Download Datasheet Email Datasheet Link |
Field configurable 0-5 mVDC to 0-400 mVDC, 120 mA Accepts one to four sensors for input Field settable excitation voltage 0-10 VDC in 1 VDC steps 18 field configurable outputs 0-1 V to ±10 V 0-2 mA to 0-20 mA, 4-20 mA Zero Offset (Tare) ±100% of span in 15% increments |
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![]() API 4059 G Socket sold separately |
Isolated DC Amplifier for 1 to 4 Sensors:
Field Selectable Minuteman SetupAPD 4059 from $375Open Datasheet Download Datasheet Email Datasheet Link |
Field configurable 0-5 mVDC to 0-400 mVDC Field settable excitation voltage 0-10 VDC in 1 VDC steps, 120 mA Accepts one to four sensors for input 18 field configurable outputs 0-1 V to ±10 V 0-2 mA to 0-20 mA, 4-20 mA |
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![]() ![]() APD 4059 |
Isolated DC Amplifier for 1 to 4 Sensors with
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![]() 0-5 mVDC to 0-400 mVDC Field settable excitation voltage 0-10 VDC in 1 VDC steps, 120 mA Use internal or external calibration resistor Specify calibration resistor value if required Accepts one to four sensors for input 18 field configurable outputs 0-1 V to ±10 V 0-2 mA to 0-20 mA, 4-20 mA Zero Offset (Tare) ±100% of span in 15% increments |
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![]() ![]() APD 4059CR |
Discontinued Strain Gauge | |||
API 1500 G 1520 G |
Bridge Input Single Alarm Trip. See APD 1500 series | ||
API 4051 G | Bridge to DC Signal Conditioners, Non-isolated. See API 4051 GI | ||
API 4059 DIN | Isolated Bridge to DC Signal Conditioners. See APD 4059 | ||
API SUM-000 API SUM-025 |
Bridge Summing Board. See SG-EQ4SG-EQ4 (scroll down) | ||
API SUM Board | Bridge Summing Board Detailed Instruction Manual | ||
APD 1530 | Strain Gauge Input Band Alarm Trip |