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| Features | Applications: |
| 1. High reference accuracy up to 0.075%, higher on request. | 1. Gauge, absolute and differential pressure measurement in gases, steam or liquids in all areas of of engineering process and measurement. |
| 2. Long-term drift ≤±0.15%URL for 5 years. | |
| 3. Range down ratio 100:1; higher on request. | 2. Level, volume or mass measurement in liquids. |
| 4. Replaceable display unit & electronic module. | |
| 5. Universal electronics. | 3. Working with detecting element, measure the flow of gases, steam and liquid flow.( volume and mass flow) |
| 6. Menu-guided operation. | |
| 7. Factory default data recovery is supportive | |
| 8. HART,PROFIBUS-PA or FF protocol for option. | 4. High pressure up to 40bar. |
| Technical Data | |
| Applicable media | liquid, gas and steam |
| Pressure range | -100kPa~10MPa |
| Accuracy | 0.075%, higher on request |
| Stability | ±0.15% of URL for 5 years |
| Temperature drift | ±0.03% of URL/10ºC |
| Output signals | 4~20mA, Hart, Profibus-PA for option, FF per request |
| Display | LCD, or pointer optional |
| Housing material | Aluminum14 |
| Mechanical connection | M20×1.5;G1/2;1/2NPT |
| Protection class | IP66/67 |
| Ex-proof | Exia II CT4, other option per request |
| Power Supply | 10.5-55V DC 10.5-30V DC |
| Ambient temperature | -40 to 85ºC,-40 to 80ºCfor LCD header |
| Storage temperature | -45 to 85ºC,-40 to 80ºC for LCD header ; |
| Measurement | with display: 95*126*52 (mm) |
| without display: 95*115*52 (mm) | |
| Net Weight | 4kg (without bracket or process connection) |
| Model | Product details |
| WNK55 | Smart high precision differential pressure transmitter |
| Code | Approval |
| A | For non explosion-proof areas |
| 1 | ExiaIICT6 |
| 2 | ExiaIICT4 |
| 3 | ExdIIBT6 |
| For other approvals or more information, please contact with us | |
| Code | Output code |
| A | 4…20mA |
| H | 4…20mA,HART |
| P | PROFIBUS-PA |
| F | FF |
| Code | Display |
| A | No display |
| L | LCD |
| Code | Housing; Cable entry; Protection |
| A | Aluminum 14,M20×1.5,IP66/67 |
| B | Aluminum 14,G1/2,IP66/67 |
| C | Aluminum 14,1/2NPT,IP66/67 |
| Code | Sensor range, for gauge pressure |
| 7B | 10mbar,PN160 (1kPa/100mH2O) |
| 7C | 30mbar,PN160 (3kPa/300mH2O) |
| 7D | 100mbar,PN160 (10kPa/1mH2O) |
| 7F | 500bar,PN160 (50kPa/5mH2O) |
| 7H | 3bar,PN160 (300kPa/30mH2O) |
| 7L | 16bar,PN160 (1.6MPa/160mH2O) |
| 7M | 40bar,PN160 (4MPa/400mH2O) |
| 8F | 500mbar,PN420 (50kPa/5mH2O) |
| 8H | 3bar,PN420 (300kPa/30mH2O) |
| 8L | 16bar,PN420 (1.6MPa/160mH2O) |
| 8M | 40bar,PN420 (4MPa/400mH2O) |
| 8W | 300bar,PN420 (30MPa/3000mH2O) |
| Code | Calibration,Unit |
| 1 | Sensor range,mbar/bar |
| 2 | Sensor range,kPa/MPa |
| 3 | Sensor range,mmH2O/mH2O |
| 4 | Sensor range,psi |
| Code | Diaphragm material |
| 1 | 316L |
| 2 | Alloy C-276 |
| X | Other special requirement |
| For any other special diaphragm, please contact with us. | |
| Code | Process connection thread, drain valve |
| A | Female thread 1/4NPT,emission exit at tail |
| B | Female thread 1/4NPT,emission exit at side |
| C | Female thread 1/2NPT,emission exit at tail |
| D | Female thread 1/2NPT,emission exit at side |
| E | Male thread M20×1.5,emission exit at tail |
| F | Male thread M20×1.5,emission exit at side |
| Code | Process connection material |
| 3 | 316 |
| H | Alloy C |
| Code | Mounting bracket |
| A | No |
| U | Mounting bracket for pipe |
| Typical model#:WNK55 AHL A7D 21A3 U | |
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