起源の場所:
シンガポール
証明:
ISO9001
モデル番号:
鎮ㄨ鎵剧殑璧勬簮宸茶鍒犻櫎銆佸凡鏇村悕鎴栨殏鏃朵笉鍙敤銆
3051CA Absolute Pressure Transmitter for Gas, Steam, and Liquid Measurement
| Parameter | 3051CA | 3051CG | 3051TA | 3051TG | 3051CD | 3051TD |
|---|---|---|---|---|---|---|
| Pressure Type | Absolute | Gauge | Absolute | Gauge | Differential | Differential |
| Design | Coplanar | Coplanar | Traditional (in-line) | Traditional (in-line) | Coplanar | Traditional (in-line) |
| Typical Applications | Gas, steam, liquid absolute pressure | General process pressure, liquid level (with DP) | Vacuum systems, steam, gas, and absolute measurement | Pipeline and vessel pressure monitoring | Flow, level, differential pressure | Flow and level in traditional piping |
| Key Features | High accuracy, long-term stability, flexible coplanar integration | Compact coplanar design, easy manifold integration | Rugged in-line design, wide process connections | Simple installation, robust housing | Multi-variable capability, coplanar flexibility | Rugged design, high static pressure capability |
Product Specifications:
| Model | Pressure Type | Range Example (Typical) | Accuracy | Output Options | Key Features |
|---|---|---|---|---|---|
| 3051CD | Differential | –250 to +250 inH₂O | ±0.04% of span | 4–20 mA HART, Fieldbus, Wireless | Ideal for flow and level, Coplanar™ design, diagnostics for impulse lines |
| 3051CG | Gauge | 0 to 300 psi | ±0.04% of span | 4–20 mA HART, Fieldbus, Wireless | Measures pressure relative to the atmosphere; robust for general process use |
| 3051CA | Absolute | 0 to 150 psia | ±0.04% of span | 4–20 mA HART, Fieldbus, Wireless | Used in vacuum or sealed systems; stable under varying atmospheric conditions |
3051C vs. 3051S – When to Choose What
| Feature | 3051C Series | 3051S Series |
|---|---|---|
| Accuracy | ±0.04% of span | Up to ±0.025% of span |
| Rangedown | Up to 150:1 | Up to 200:1 |
| Cost | More economical | Higher investment |
| Use Case | Standard industrial applications | High-precision or critical applications |
| Diagnostics | Loop Integrity, Plugged Line Detection | Advanced diagnostics, remote display |
Product Selection Table:
| model | Type of transmitter (choose one) | CD | CG | CA |
| 3051CD 3051CG 3051CA | Differential pressure transmitter, Gauge pressure transmitter, Absolute pressure transmitter |
-- |
-- |
-- |
| code | Pressure range (URL) (choose one) 3051CD type 3051CG type 3051CA type |
CD | CG | CA |
| 0 | Not provided 0-0.167to0-5psia (0-8.6to0-260mmHga) |
-- | -- | -- |
| 1 | 0-0.5to0-25inH20 Not 0- 0.3 to 0- 30 psi (0-2.07to0-206.8kPa) (0-2.07to0-206.8kPa) |
-- | -- | -- |
| 2 | 0-2.5to0-250inH200-2.5to0-250inH200-1.5to0-150psia (0-0.62to0-62.2kPa)(0-0.62to0-62.2kPa)(0-10.34to0-1034.2kPa) |
-- | -- | -- |
| 3 | 0-10to0-1000inH200-10to0-1000inH200-8to0-800psia (0-2.48to0-248kPa)(0-2.48to0-248kPa)(0-55.16to0-5515.8kPa) |
-- | -- | -- |
| 4 | 0-3to0-300 psi 0-3to0-300 psi 0-40to0-4000 psi (0-20.7to0-2070kPa)(0-20.7to0-2070kPa)(0-275.8to0-27580kPa) |
-- | -- | -- |
| 5 | 0-20 to 0-2000 psi 0-200 to 0-2000 psi (0-138 to 0-13800kPa) (0-138 to 0-13800kPa) |
-- | -- | -- |
| code | output | CD | CG | CA |
| A M(1) |
4- 20mA, with digital signal based on HART protocol Low power consumption, 1-5VDC with digital signal based on HART protocol (0.8-3.2Vdc, using option code C2) Not provided |
-- -- |
-- |
-- |
Applications:
Q1: What is the Rosemount 3051CA Absolute Pressure Transmitter used for?
A1: It is designed to measure absolute pressure in gases, steam, and liquids, ensuring accurate and stable readings in demanding industrial applications.
Q2: How is the 3051CA different from the 3051CG?
A2: The 3051CA measures absolute pressure, while the 3051CG measures gauge pressure. Both share the coplanar design, but they serve different measurement needs.
Q3: What does “coplanar design” mean?
A3: The coplanar design allows the transmitter to be easily integrated with manifolds and accessories, providing flexibility for flow, level, and pressure applications.
Q4: What industries typically use the 3051CA?
A4: It is widely used in oil & gas, power generation, chemical processing, and water treatment, where precise absolute pressure measurement is critical.
Q5: What are the key benefits of the 3051CA?
A5:
Q6: Can the 3051CA be used for vacuum measurement?
A6: Yes. Since it measures absolute pressure, it is suitable for vacuum and low-pressure applications where gauge transmitters are not accurate.
Q7: What communication protocols are available?
A7: The 3051CA supports 4–20 mA HART®, and depending on configuration, can also be ordered with FOUNDATION Fieldbus or Profibus PA.
Typical Models of 3051CG Transmitters:
| Model Code | Range Code | Diaphragm Material | Vent/Drain Material | Mounting Bracket | Display Option | Special Option |
|---|---|---|---|---|---|---|
| 3051CG1A02A1AB1H2L4M5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | — |
| 3051CG2A02A1AB1H2L4M5 | 2 | 316L SST | SST | Coplanar SST | LCD (M5) | — |
| 3051CG3A02A1AB1H2L4M5 | 3 | 316L SST | SST | Coplanar SST | LCD (M5) | — |
| 3051CG4A02A1AB1H2L4M5 | 4 | 316L SST | SST | Coplanar SST | LCD (M5) | — |
| 3051CG5A02A1AB1H2L4M5 | 5 | 316L SST | SST | Coplanar SST | LCD (M5) | — |
| 3051CG1A02A1AB3H2L4M5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | Process Flange B3 |
| 3051CG1A02A1AB1H2L4M5K5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | K5 (Tagging) |
| 3051CG1A02A1AB1H2L4M5E5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | E5 (Calibration) |
| 3051CG1A02A1AB1H2L4M5I5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | I5 (Certs/Docs) |
| 3051CG1A22A1AB4M5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | Output A22 |
| 3051CG1A22A1AB4M5DF | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | DF (Factory Config) |
| 3051CG1A22A1AB4M5K5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | K5 (Tagging) |
| 3051CG1A22A1AB4M5E5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | E5 (Calibration) |
| 3051CG1A22A1AB4M5I5 | 1 | 316L SST | SST | Coplanar SST | LCD (M5) | I5 (Certs/Docs) |
Good Service:
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