Resistive Bridge Adapters Adapters to help adjust resistive bridge measurements

Conversion Devices and Adapters / Resistive Bridge Adapters

About Resistive Bridge Adapters

Resistive bridge adapters provide the completion resistors necessary for half-bridge measurements, help measure platinum resistive thermometers (PRTs), and are used with strain gages or other sensors that act as a single variable resistor.

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Product Line

	Used With	Resistance	Tolerance	Power Rating	Maximum Temperature Coefficient
4WFBS120 120-Ohm, Four-Wire Full-Bridge Terminal Input Module	4-wire strain gages or other full bridge measurements that have a 120 Ω nominal resistance	2:1 Resistive Divider: 1 kΩ/1 kΩ Completion Resistor (bulk metal foil): 120 Ω	2:1 Resistive Divider: Ratio: ±0.01% (@ 25°C) Completion Resistor (bulk metal foil): ±0.01% (@ 25°C)	2:1 Resistive Divider: 0.1 W (@ 70°C) per element Completion Resistor (bulk metal foil): 0.25 W (@ 70°C)	2:1 Resistive Divider: Ratio: 0.5 ppm/°C (-55° to +85°C) Completion Resistor (bulk metal foil): 0.8 ppm/°C
4WFBS350 350-Ohm, Four-Wire, Full-Bridge Terminal Input Module	4-wire strain gages or other full bridge measurements that have a 350 Ω nominal resistance	2:1 Resistive Divider: 1 kΩ/1 kΩ Completion Resistor (bulk metal foil): 350 Ω	2:1 Resistive Divider: Ratio: ±0.01% (@ 25°C) Completion Resistor (bulk metal foil): ±0.01% (@ 25°C)	2:1 Resistive Divider: 0.1 W (@ 70°C) per element Completion Resistor (bulk metal foil): 0.25 W (@ 70°C)	2:1 Resistive Divider: Ratio: 0.5 ppm/°C (-55° to +85°C) Completion Resistor (bulk metal foil): 0.8 ppm/°C
4WPB100 100-Ohm, Four-Wire PRT Bridge Terminal Input Module	100 Ω platinum resistive thermometer (PRT)	Current Limiting: 10 kΩ Completion Resistor (bulk metal foil): 100 Ω	Current Limiting: ±5% (@ 25°C) Completion Resistor (bulk metal foil): ±0.01% (@ 25°C)	Current Limiting: 0.25 W Completion Resistor (bulk metal foil): 0.25 W (@ 70°C)	Completion Resistor (bulk metal foil): ±0.8 ppm/°C
3WHB10K 10-kohm, Three-Wire Half-Bridge Terminal Input Module	100 Ω or 1 kΩ platinum resistive thermometer (PRT) or other 3-wire half bridge	10 kΩ (bulk metal foil)	±0.01% (@ 25°C)	0.25 W (@ 70°C)	±0.8 ppm/°C

Other Considerations

	Used With	Resistance	Tolerance	Power Rating	Maximum Temperature Coefficient
4WHB10K 10-kohm, Four-Wire Half-Bridge Terminal Input Module	4-wire half bridge measurements with a 10 kΩ resistance	10 kΩ (bulk metal foil)	±0.01% (@ 25°C)	0.25 W (@ 70°C)	±0.8 ppm/°C
4WPB1K 1-kohm, Four-Wire PRT Bridge Terminal Input Module	1 kΩ platinum resistive thermometer (PRT)	Current Limiting: 10 kΩ Completion Resistor (bulk metal foil): 1 kΩ	Current Limiting: ±5% (@ 25°C) Completion Resistor (bulk metal foil): ±0.01% (@ 25°C)	Current Limiting: 0.25 W Completion Resistor (bulk metal foil): 0.25 W (@ 70°C)	Completion Resistor (bulk metal foil): ±0.8 ppm/°C