






Features-WNK51 Smart High Accuracy Gauge/Absolute Pressure Transmitter
- High reference accuracy up to 0.075%.
- Long-term drift ≤±0.25%URL for 1 year.
- Hart, PROFIBUS-PA or FF protocol for option.
- Intrinsically safe and flameproof explosion proof
- Range down ratio 100:1
- Smart type for easy calibration

Technical Data-WNK51 Smart High Accuracy Gauge/Absolute Pressure Transmitter
Applicable media | liquid, gas and steam |
Pressure range | -100KPa~70MPa |
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 |
Housing material | Aluminum14 |
Process connection | M20×1.5;G1/2;1/2NPT; 1/4 NPT; customization |
Protection class | IP66/67 |
Ex-proof | Exia II CT4, Exia III CT6, Exd IICT6 |
Power Supply | 10.5-55V DC 10.5-30V DC (recommend 24V 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 | 1.7kg (without bracket or process connection) |
Ordering information-WNK51 Smart High Accuracy Gauge/Absolute Pressure Transmitter
Model | Product Details | ||
WNK51 | smart high precision pressure transmitter | ||
Code | Approval | ||
A | For non-hazardous 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 | Aluminum14,M20×1.5,IP66/67 | ||
B | Aluminum 14,G1/2,IP66/67 | ||
C | Aluminum14,1/2NPT,IP66/67 | ||
Code | Sensor range, for gauge pressure | Code | Sensor range, for absolute pressure |
1C | 100mbar (10kPa/1mH2O) | 2C | 100mbar (10kPa/1mH2O) |
1E | 250mbar (25kPa/2.5mH2O) | 2E | 250mbar (25kPa/2.5mH2O) |
1F | 400mbar (40kPa/4mH2O) | 2F | 400mbar (40kPa/4mH2O) |
1H | 1bar (100kPa/10mH2O) | 2H | 1bar (100kPa/10mH2O) |
1K | 2bar (200kPa/20mH2O) | 2K | 2bar (200kPa/20mH2O) |
1M | 4bar (400kPa/40mH2O) | 2M | 4bar (400kPa/40mH2O) |
1P | 10bar (1MPa/100mH2O) | 2P | 10bar (1MPa/100mH2O) |
1S | 40bar (4MPa/400mH2O) | 2S | 40bar (4MPa/400mH2O) |
1U | 100bar (10MPa/1000mH2O) | 2U | 100bar (10MPa/1000mH2O) |
1W | 400bar (40MPa/4000mH2O) | 2W | 400bar (40MPa/4000mH2O) |
1X | 700bar (70MPa/7000mH2O) | 2X | 700bar (70MPa/7000mH2O) |
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 other special kind of diaphragm, please contact with us. | |||
Code | Process connection; screw | ||
GA | Male thread G1/2, inner hole 3mm,316 | ||
GB | Male thread G1/2, inner hole 11.4mm,316 | ||
GC | Female thread G1/2, inner hole 3mm,316 | ||
GD | Female thread G1/2, inner hole 11.4mm,316 | ||
NA | Male thread 1/2NPT, inner hole 3mm,316 | ||
NB | Male thread 1/2NPT, inner hole 11.4mm,316 | ||
NC | Female thread 1/2NPT, inner hole 3mm,316 | ||
ND | Female thread 1/2NPT, inner hole 11.4mm,316 | ||
MA | Male thread M20×1.5, inner hole 3mm,316 | ||
MB | Male thread M20×1.5, inner hole 11.4mm ,316 | ||
JX | Other special requirement | ||
For other special connection screw thread, please contact with us. | |||
Code | Process connection material | ||
3 | 316 | ||
H | Alloy C | ||
Code | Overvoltage protection | ||
A | No | ||
M | Overvoltage protection | ||
Code | Mounting bracket | ||
A | No | ||
U | Mounting bracket for pipe | ||
Typical model#:WNK51 AHL A1P21 MA3 AU |
Installation diagram (unit : mm)-WNK51 Smart High Precison pressure transmitter

Delivery
3~10 days after order confirmed
Why Choose us?
1. We are professional manufacturer with own R&D and sales team, with more than 13 years producing experience in transmitters & sensors. 2. We have strict quality control system, each set product we do temperature compensation and aging test before shipment, so the quality is guaranteed.
FAQ

Customer specific requirement /ODM/OEM is welcome.