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Signal Conditioners, Signal Isolators, Process Transmitters
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API modules Cecomp Gauges API-Camille Bauer APCS RheinTacho
Strain Gauge, Bridge & Load Cell Signal Conditioners and Transmitters
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Bridge (Strain Gauge) Input Transmitters
Click on model numbers below for data sheets and application information
LoopTracker® LEDs
Output Test Button
Lifetime Warranty
Reference Info
Alarm Terminology
Deadband
Relay Protection & EMI Suppression
Troubleshooting Strain Gauge Type Sensors
Model Input Output Features
API 4051 G
Bridge to DC Transmitter
Specify Input Range
Factory Configured
Others Available
1 mV/V
2 mV/V
3 mV/V
5 mV/V
10 mV/V
20 mV/V
50 mV/V
100 mV/V
200 mV/V
Specify Excitation Voltage 4-10 VDC
Specify Output Range
Factory Configured
Others available
0-1 V
0-5 V
1-5 V
0-10 V
±5 V
±10 V
0-20 mA
4-20 mA
  • LoopTracker LEDs for Input and Output
  • Direct Replacement for Action AP 4051
  • Internal Bridge Excitation Source
  • Output Test Button
  • Uses API-011 11-Pin Socket
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
UL listed

Api 4051G
API 4058 G
Field Selectable Minuteman Setup
Bridge to DC Transmitter
Field Configurable
0-5 mVDC to
0-1200 mVDC

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
  • Minuteman One-Minute Setup
  • I/O LoopTracker LEDs
  • Internal Bridge Excitation Source
  • Drive up to 4 bridges
  • Output Test Button
  • Uses API-011 11-Pin Socket
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
UL listed

Api 4058G
API 4059 G
Field Selectable Minuteman Setup
Isolated Bridge to DC Transmitter
Field Configurable
0-5mVDC to
0-400mVDC

Field Settable Excitation Voltage
0-10VDC in 1VDC Steps

18 Field Configurable Outputs
0-1V to ±10V
0-2mA to 0-20mA
4-20mA
  • Minuteman One-Minute Setup
  • I/O LoopTracker LEDs
  • Full I/O/Power Isolation
  • Internal Bridge Excitation Source
  • Drive up to 4 bridges
  • Output Test Button
  • Uses API-011 11-Pin Socket
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
Api 4059G
Socket Sold Separately
API 4059 DIN
Field Selectable Minuteman Setup
Isolated Bridge to DC Transmitter
Field Configurable
0-5mVDC to
0-400mVDC

Field Settable Excitation Voltage
0-10VDC in 1VDC Steps

18 Field Configurable Outputs
0-1V to ±10V
0-2mA to 0-20mA
4-20mA
  • Minuteman One-Minute Setup
  • I/O LoopTracker LEDs
  • Full I/O/Power Isolation
  • Internal Bridge Excitation Source
  • Drive up to 4 bridges
  • Output Test Button
  • DIN Rail or Surface Mount
  • 55 mm Wide
  • 115 VAC Powered
  • A230 option for 230 VAC Power
  • D option for 9-30 VDC Power (+$60)
Api 4059 DIN
API SUM-000
Bridge Summing Assembly Board

API SUM-025
Field Selectable Minuteman Setup
Bridge Summing Assembly Board with 4059 G, 115VAC powered

API SUM Board Instruction Manual

Provisions for up to Four 350 Ω or greater Bridges, Strain Gauges or Load Cells
Switch for Internal or External Excitation.
Call Factory for Special Configurations
11-Pin Socket for
API 4059 G or
API 4058 G
  • Connect up to 4 Bridges
  • 4 Trim Pots for Excitation Adjust
  • 4 Trim Pots for Signal Adjust
Api SUM board
Discontinued Products
API 1500 G Bridge Input Single Alarm Trip. Call for replacement.
API 1520 G Bridge Input Dual Alarm Trip. Call for replacement.
Phone:  800-942-0315 or 847-918-3510 Fax:  800-949-7502 or 847-968-4891
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