罗斯蒙特2088表压变送器
Rosemount™ 2088 Absolute and Gage Pressure Transmitter
Perbance of 0.065% with high accuracy option
Lightweight, compact design for cost-effective installation
Protocols available include 4–20 mA HART® and 1–5 Vdc HART Low Power
Absolute and gage pressure ranges up to 4,000 psi (276 bar)
Rangeability of 50:1
Specifications
Perbance specifications
For zero-based spans, reference conditions, silicone oil fill,
316L SST isolating diaphragm
Reference accuracy
±0.075% of calibrated span. Includes combined effects of linearity,
hysteresis, and repeatability
±0.065% of calibrated span (high accuracy option – P8)
For spans less than 10:1, accuracy = ± % of span
Ambient temperature effect
Expressed as a total effect per 50 °F (28 °C)
Total effect includes zero and span effects
± (0.15% URL + 0.15% of span)
Stability
Ranges 2–4: ±0.10% of URL for 3 years
Range 1: ±0.10% of URL for 1 year