The Model 5-23 pressure transmitter fromBEI Edcliff Instruments(Sylmar, CA) is specifically designed for pressure measurement. Model 5-23 features 4-20-mA output, an operating temperature range of -40 degreesC to 121 degrees C, accuracies down to +0.50%, and long-term drift of less than ±0.5% FSO for one year. Other performance criteria include proof pressures of 150% of rated range and a burst pressure of 200% rated range.