High Precision Accurate Stable Water Tanks Liquids Chemical Use Differential Pressure
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High Precision Accurate Stable Water Tanks Liquids Chemical Use Differential Pressure

1. Differential Pressure Transmitter (DP)
2. Measured media: Gas, steam, liquid
3. Measured range(with no shift): 0PA~100PA…3MPa
4. Basic error: ±0.075%
5. Diaphragm contacting with liquid: Stainless Steel 316L, Hast-alloy C 
Availability:
Quantity:
  • NS-3051
  • NS
  • NS-3051

Overview:

High Accuracy Stable Chemical Use HART Customized Differential Pressure Sensor NS-3051 DP

Brief Introduction

1. Differential Pressure Transmitter (DP)

2. Measured media: Gas, steam, liquid

3. Measured range(with no shift): 0PA~100PA…3MPa

4. Basic error: ±0.075%

5. Diaphragm contacting with liquid: Stainless Steel 316L, Hast-alloy C 


Features:


1. The central sensing element of transmitter uses the world's leading high- Accuracy silicon sensor technology, Basic error is ±0.075%; 

2. Working pressure of transmitter has three levels--16MPa, 25MPa and 40MPa, the highest one-way overpressure is 40MPa; 

3. Excellent static pressure performance, optimal static pressure error ≤±0.1%/10MPa; 

4. The inner of pressure sensor integrates high sensitive temperature sensor. 

5. Excellent temperature performance, optimum≤± (0.20 ×TD+0.10)%×Span /-20ºC~65ºC; 

6. All stainless steel 316L, silicone oil filling with welded sealing construction; 

7. Low gauge /absolute pressure transmitter uses the world's leading die resistance to high overload protection. 6kPa: One-way overpressure and protection pressure is 300kPa; 40kPa: One-way overpressure and protection pressure is 1MPa. The max. Pressure is 50 times of full span pressure. 

8. Stable and reliable, optimal long-term drift performance: ±0.1%/year, 5-year maintenance-free; 

9. Wide measured range: 100PA~60MPa; 

10. Max. 100: 1 pressure range proportion adjustable; 

11. EMC conforms to GB/T 18268.1-2008 standard; 


Main unit

Auxiliary unit


Main unit includes sensor and process connection, working principle as followed: 


The sensor module uses whole welded technology, in which has a compact overload diaphragm, a differential pressure sensor and a temperature sensor. The temperature is taken as a reference for temperature compensation. The positive end of the differential pressure sensor is connected with high pressure chamber of sensor capsule; The negative end is connected with low pressure chamber of sensor capsule. Through the isolated diaphragm and filling liquid, the differential pressure is transmitted to silicon die in the inner of differential pressure sensor, which makes the resistor of sensor die change. So the detection system outputs different voltage. The output voltage is in proportion to the pressure variation, and then it is transmitted to standard output by adapter and amplifier. 


NS---M3051DP Differential Pressure Transmitter is used for level, density, pressure and flow measurement of liquid, gas and steam. Then it will outputs 4mA~20mA DC HART signal and also it could be connected to RST375 hand communicator or RSM100 Modem to do the specification setting and process control. 


Differential Pressure Transmitter dimensions:

Differential Pressure Transmitter

Differential Pressure Transmitter order guide:


NS-3051DPIntelligent Differential Pressure Transmitter   


CodeOutput 
H4mA~20mA DC with HART  

N4mA~20mA DC analog output   


CodePressure range 
A0PA…100PA~1kPa(0mm…10mm~100 mm H2O)/(0mbar…1mbar ~10mbar) 
B0PA…200PA~6kPa(0mm…20mm~600 mm H2O)/(0mbar…2mbar ~60mbar) 
C0PA…400PA~40kPa(0mm…40mm~4000 mm H2O)/(0mbar…20mbar ~400mbar) 
D0kPa…2.5kPa~250kPa(0m…0.25m~25 m H2O)/(0mbar…25mbar ~2500mbar) 
F0kPa…30kPa~3MPa(0m…3m~300 m H2O)/ (0bar…0.3bar~30bar)   


CodeDiaphragm material Filling   


AStainless steel316L silicone oil 
CHastelloy C silicone oil   


CodeRated working pressure 
00.2MPa (only for range A) 
77MPa (only for range A) 
116MPa 
225MPa 
340MPa   


CodeProcess connection
N1/4 NPT and 7/16 UNF thread hole without release valve
B1/4 NPT and 7/16 UNF thread hole, release valve mounting in the end-face of flange back
U1/4 NPT and 7/16 UNF thread hole, release valve mounting in upper flange side
D1/4 NPT and 7/16 UNF thread hole, release valve mounting in lower flange side  


CodeSealing materials contacting with liquid
NNBR
FFKM 

PPTFE   


CodeAdditional function 
NNone 
FSquare root output 
ONo oil processing(For oxygen measurement: Fluorocarbon oil filling, viton sealing ring, <6MPa, <60ºC)   


CodeMounting bracket 
NNone 
1Stainless steel 
2Galvanized Carbon Steel   


CodeProcess connection parts 
NNone 
11/2 NPT Female with stainless steel oval flange 
2M20X1.5 male with stainless steel T joint  

31/2-14NPT guiding pressure transition joint and rear welding guiding
Pressure tube (SS)    




CodeDisplay 
1LCD 
2LCD with back-light         








CodeOthers 
NNone 
AIntrinsic safe 
DExd 
EExd version with Explosion-proof cable joint 
SStainless steel 316 plate     




NS-3051-DP H C A 1 B N F 1 1 1 N The whole spec


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