| 品Pai | ROSEMOUNT | 型号 | 248H |
| 类型 | 热电阻温度变送器 | 测量范围 | 80（℃） |
| 测量精度 | 0.075（℃） | 输出信号 | 4-20ma |
| 工作电压 | 24（V） | | |
Rosemount 3051 Pressure Transmitters With its time-tested reliability and over4 million installations, the Rosemount 3051 is more than field proven – it is the Industry Standard.The 3051 delivers unparalleled reliability, performance and safety to increase your plant profitability. Better measurement means a stronger bottom line. The comprehensive offering enhances your pressure, level and flow applications from simple measurement to stringent SIL2 safety compliance.
Measurement Type | Differential, Gage, Absolute, Level, Flow |
Output | 4-20 mA HART, FOUNDATION™ fieldbus, PROFIBUS PA, 1-5 Vdc HART Low Power |
Reference Accuracy | ± 0.065% of span with 0.04% Optional |
Total Performance | ± 0.15% of span |
Long Term Stability | ± 0.125% of URL for 5 years |
Rangedown | 100:1 |
Rosemount 2051 Pressure TransmittersThe Rosemount 2051 family of pressure transmitters empowers you to measure pressure with confidence.The 2051 provides a reliable differential, gage, and absolute pressure measurement with a variety of output protocols, materials and process connections. Meet yourpressure,level, andflowapplication needs with its flexible Coplanar™platform so that you can lower project and ongoing maintenance costs.
Measurement Types | Differential, Gauge, Absolute, Level and Flow |
Output | 4-20mA HART®, FOUNDATION™ fieldbus, PROFIBUS PA, 1-5Vdc HART® Low Power |
Reference Accuracy | ± 0.075% of span |
Long Term Stability | 0.1% of URL for 2 years |
Rangedown | 100:1 |
Rosemount 248 Temperature transmitter with HART protocolA complete temperature assembly for any Single Point measurement applicationThe Rosemount 248 Temperature Transmitter is designed to meet common Single Point measurement application requirements. This transmitter with HART® protocol can easily be ordered with a variety of sensors (RTDs and thermocouples) and thermowells. The Rosemount 248 is provided in a head mount configuration suitable for installation in a wide variety of connection heads and housings. Additionally, a Rail Mount configuration is also available for rail and rack mountable applications. A PC-programmable interface is available, providing an easy-to-use configuration method from any PC.Ready to Install. Remove it from the Box and Install into the Process for significant cost savingsUnsurpassed Performance for Temperature Monitoring PointsIndustry StandardDIN Form BSize Enables Mounting in Any Connection HeadReliable EMC Performance by Meeting NAMUR NE 21Recommendation Communicates Using Open HART / 4-20 mA Protocol
Key Specifications |
Digital Accuracy | 0.20°C(0.36°F) or 0.1% of span |
Ambient Temperature Effect | ± 0.006°C/°C per 1.0°C (1.8°F) change in ambient (Pt100 RTD) |
Stability | 0.1% reading or 0.1°C (0.18°F) for 1 year |
Input | 2-, 3-, and 4-wire RTDs, thermocouple, millivolt, ohm |
Output | 2-wire, linear with temperature or input on 4-20 mA/HART signal |
Supply Voltage | 12 - 42.2V |
Supply Voltage | 12 - 42.2V in HART Protocol
9 - 32V in FOUNDATION Fieldbus Protocol |
Rosemount 644 Head and Rail Mount Temperature TransmittersThe ideal temperature transmitter for any Single Point measurement application.The Rosemount 644 offers a flexible and reliable solution to any temperature measurement. As a highly accurate transmitter that comes in either HART, FOUNDATION Fieldbus or PROFIBUS PA communication protocols, or a head mount or rail mount Form Factor, the Rosemount 644 is designed to meet your most demanding applications.An available LCD display provides local measurement indication and the Transmitter-Sensor Matching functionality provides unmatched accuracy for a transmitter and RTD sensor measurement point
| Digital Accuracy | + 0.15° C (+0.27° F) for Pt100 RTD |
D/A Accuracy | +0.03% of span |
Ambient Temperature Effects | 0.003°Cper 1.0°C (1.8°F) change in ambient (Pt100 RTD) |
Stability | .15% of Reading or .15°C for 2 years |
Input | 2-, 3-, and 4-wire RTDs, thermocouple, millivolt, ohm |
Supply Voltage | 12 - 42.2V in HART Protocol |
Form Factor | DIN A Head Mount or Rail Mount |
| Digital Accuracy | + 0.15° C (+0.27° F) for Pt100 RTD |
Ambient Temperature Effects | 0.003°Cper 1.0°C (1.8°F) change in ambient (Pt100 RTD) |
Stability | .15% of Reading or .15°C for 2 years |
Input | 2-, 3-, and 4-wire RTDs, thermocouple, millivolt, ohm |
Supply Voltage | 9 - 32V in FOUNDATION Fieldbus Protocol |
Form Factor | Head Mount |
| Digital Accuracy | + 0.15° C (+0.27° F) for Pt100 RTD |
Ambient Temperature Effects | 0.003°Cper 1.0°C (1.8°F) change in ambient (Pt100 RTD) |
Stability | .15% of Reading or .15°C for 2 years |
Input | 2-, 3-, and 4-wire RTDs, thermocouple, millivolt, ohm |
Supply Voltage | 9 - 32V in FOUNDATION Fieldbus Protocol |
Form Factor | Head Mount |
