4WPB500
500-Ohm, Four-Wire PRT Bridge Terminal Input Module
4WPB500
Orderable500-Ohm, Four-Wire PRT Bridge Terminal Input Module
Overview
4WPB500 500 Ohm 4-Wire PRT Bridge Terminal Input Module
The 4WPB500 provides completion resistors to enable your Campbell Scientific data logger to measure 500-ohm platinum resistive thermometers (PRT) using the half-bridge four-wire measurement method.
Technical Description
Four-Wire PRT Bridge Module Schematic
(Rf=500 Ω for the 4WPB500)
4WPB500-to-Sensor Hookup
Benefits
- Provides high-accuracy completion resistor and convenient wiring for four-wire, 500-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
- 500 Ω platinum resistive thermometer (PRT)
- Dimensions
- 1.52 x 1.02 x 2.54 cm
(0.6 x 0.4 x 1.0 in.) for body with prongs
- Weight
- 13.6 g
(0.03 lb)
Current Limiting
- Resistance
- 10 kΩ
- Tolerance
- ±5% (@ 25°C)
- Power Rating
- 0.25 W
Completion Resistor (bulk metal foil)
- Resistance
- 500 Ω
- Tolerance
- ±0.01% (@ 25°C)
- Maximum Temperature Coefficient
- ±0.8 ppm/°C
- Power Rating
0.25 W (@ 70°C)