4WPB100
100-Ohm, Four-Wire PRT Bridge Terminal Input Module
4WPB100
Orderable100-Ohm, Four-Wire PRT Bridge Terminal Input Module
Overview
4WPB100 100 Ohm 4-Wire PRT Bridge Terminal Input Module
The 4WPB100 provides completion resistors to enable your Campbell Scientific data logger to measure 100-ohm platinum resistive thermometer s(PRT) using the half-bridge four-wire measurement method.
Technical Description
4-Wire PRT Bridge Module Schematic
(Rf=100 Ω for the 4WPB100)

4WPB100-to-Sensor Hookup

Benefits
- Provides high-accuracy completion resistor and convenient wiring for four-wire, 100-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
- 100 Ω 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
- 100 Ω
- Tolerance
- ±0.01%
(@ 25°C)
- Maximum Temperature Coefficient
- ±0.8 ppm/°C
- Power Rating
- 0.25 W
(@ 70°C)