Intrinsic Safe Smart 4 20mA Pressure Sensor with Local Display & Al Housing

• Customization: Available
• Type: Normal Pressure Transmitter
• Structure Type: Diffused Silicon Pressure Transmitter
• Model NO.: WNK51
• Accuracy Grade: 0.075%
• Pressure range: -100kpa~700bar
• IP Rating: IP67
• Certification: ISO
• Customized: Customized
• Range Down: 100:1
• Output Signal: 4~20m, Hart, Profibus-PA
• Housing Material: Aluminum Alloy
• Stability: 0.15% of Url for 5 Years
• Temperature Drift: 0.03% of Url/10oc
• Protection Class: IP66/67
• Transport Package: Each Set in One Individual Carton with Foam
• Specification: 95*126*52 (mm)
• Trademark: WNK
• Origin: Anhui, China
• HS Code: 90262010
• Production Capacity: 12000set/Month

Product Description

 WNK51 Smart High Accuracy Gauge/Absolute Pressure Transmitter    

Features

1. High reference accuracy up to 0.075%.
2. Long-term drift  ≤±0.25%URL for 1 year.
3. Hart, PROFIBUS-PA or FF protocol for option.
4. Intrinsically safe and flameproof explosion proof
5. Range down ratio 100:1
6. Smart type for easy calibration

 Technical Data

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

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)

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Product application

Delivery 
3~10 days after order confirmed
 

 

FAQ





Customer specific requirement ODM/OEM is welcome.