4WPB1K
1-kohm, Four-Wire PRT Bridge Terminal Input Module
4WPB1K
Orderable1-kohm, Four-Wire PRT Bridge Terminal Input Module
Overview
4WPB1K 1K Ohm 4-Wire PRT Bridge Terminal Input Module
The 4WPB1K provides completion resistors to enable your Campbell Scientific data logger to measure 1000-ohm platinum resistive thermometers (PRT).using the half-bridge four-wire measurement method.
Technical Description
4-Wire PRT Bridge Module Schematic
(Rf=1 kΩ for the 4WPB1K)

4WPB1K-to-Sensor Hookup

Benefits
- Provides high-accuracy completion resistor and convenient wiring for four-wire, 1000-ohm PRT measurements
- Easy to install or remove
- Connects directly into data logger input terminals
- Compatible with most Campbell Scientific data loggers
Specifications
- Used With
- 1 kΩ platinum resistive thermometer (PRT)
- Dimensions
- 1.5 x 1.5 x 2.7 cm
(0.6 x 0.6 x 1.0 in.) for body with prongs
- Weight
- 6 g
(0.2 oz)
Current Limiting
- Resistance
- 10 kΩ
- Tolerance
- ±5%
(@ 25°C)
- Power Rating
- 0.25 W
Completion Resistor (bulk metal foil)
- Resistance
- 1 kΩ
- Tolerance
- ±0.01%
(@ 25°C)
- Maximum Temperature Coefficient
- ±0.8 ppm/°C
- Power Rating
- 0.25 W
(@ 70°C)