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SM39PWB-DFLYC single flange remote diaphragm pressure transmitter
The diaphragm of the remote transmitter is used to prevent the medium in the pipeline from directly entering the pressure sensor component of the transmitter. It uses a filling liquid such as silicone oil to transmit pressure to the transmitter.
The SM39PWB-DFLYC series gauge/absolute pressure remote transmitter is used to measure the level, density, and pressure of liquids, gases, or steam, and then convert it into a 4mA～20mADC HART current signal output.
It can also communicate with a HART handheld terminal for parameter setting, process monitoring, etc.
The measurement range of the SM39PWB-DFLYC series gauge/absolute pressure remote transmitter (before migration) is 0-6kPa～25MPa. The rated pressure of the remote flange is 1.6/4MPa, 6.4MPa, 10MPa, 150psi, 300psi, or 600psi.
Category:
- Application
The diaphragm of the remote transmitter is used to prevent the medium in the pipeline from directly entering the pressure sensor component of the transmitter. It transmits pressure to the transmitter using a filling liquid such as silicone oil.
SM39PWB-DFLYC Series Gauge Pressure / Absolute pressure remote transmitters are used to measure the level, density, and pressure of liquids, gases, or steam, and then convert them into a 4mA ~20mADC HART current signal output.
It can also communicate with HART handheld terminal through which parameter settings, process monitoring, etc., can be performed.
SM39PWB-DFLYC Series Gauge Pressure / The measurement range of the absolute pressure remote transmitter (before migration) is 0-6 k Pa ~ 25M P a ，The rated pressure of the remote flange is: 1.6/4M P a 、6.4 MP a 10MPa, 150psi, 300psi or 600psi.
- Working principle and structure
SM39PWB-DFLYC Series Gauge Pressure / The absolute pressure remote transmitter consists of SM39PWB-DFLYC Series Gauge Pressure / an absolute pressure transmitter and a welded remote flange with a capillary tube. Its working principle is the same as that of SM39PWB-DFLYC Series Gauge Pressure / an absolute pressure transmitter, except that the pressure transmission path is slightly different: the pressure acting on the remote flange side first passes through the diaphragm and filling liquid on the remote flange, then through the capillary tube, and finally reaches the measuring end of the measuring sensor.
- Input
Measurement parameters: gauge pressure, absolute pressure, level measurement range
Gauge pressure remote transmitter:
Lower limit: -100%URL and up (continuously adjustable )
Upper limit: to +100%URL (continuously adjustable)
Absolute pressure remote transmitter:
Lower limit: 0%~100%URL and up (continuously adjustable)
Upper limit: to +100%URL (continuously adjustable)
- Output
Output signal
Two-wire, 4mA~20mADC HART output, digital communication, HART protocol loaded on 4mA~20mADC signal. Output signal limit: I mi n =3. 9 m A ， I max =2 0.5m A
- Response time
The damping constant of the amplifier component is 0.1s ; the time constant of the sensor and remote flange is 0.2s ~6s , depending on the sensor range, range ratio, capillary length, and filling liquid viscosity. The additional adjustable time constant is: 0.1s~60s.
- General conditions
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- Installation conditions
Gauge pressure/ Absolute pressure remote transmitters without capillaries can be installed directly via the remote flange. Positional deviations will produce correctable zero-point offsets. The electronic housing can be rotated a maximum of 360 °, and the positioning screws can fix it in any position.
Gauge pressure/ Absolute pressure remote flanges connect to matching flanges that comply with ANSI/DIN standards. These matching flanges should be equipped with soft gaskets and mounting bolts and nuts (users can optionally install bolts and nuts. ) 。
For gauge pressure/ absolute pressure remote transmitters with capillaries, if the remote sealing device is lower than the transmitter body, the maximum height difference between the remote sealing device and the transmitter body should be <5m.
When the working pressure is below 100kPa absolute pressure, the transmitter body must be lower than the remote sealing device. The minimum bending radius of the capillary tube is 75mm, and winding is strictly prohibited!
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- Environmental conditions
Ambient temperature
Minimum: depends on the filling liquid Maximum: 85℃
With LCD display and fluororubber seal -20℃~65℃ Storage temperature/Transportation temperature
Minimum: depends on the filling liquid Maximum: 85℃
Relative humidity: 0%~100% Impact resistance
Acceleration: 50g
Duration: 11ms Shock Resistance
2g Electromagnetic Compatibility (EMC) up to 500Hz
See Table 4 "Electromagnetic Compatibility Appendix" on the next page
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- Process Media Temperature Limit: -30℃～400℃
Table 3 Filling Liquid, Operating Temperature and Minimum Operating Pressure Relationship Table
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Filling Liquid |
Silicone Oil (S) |
High Temperature Silicone Oil (H) |
Ultra-High Temperature Silicone Oil (U) |
Vegetable Oil (V) |
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Density (25℃) |
960kg/m³ |
980kg/m³ |
1020kg/m³ |
937kg/m³ |
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Operating Temperature Range |
-30℃～200℃ |
-10℃～350℃ |
-10℃～400℃ |
0℃～250℃ |
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Temperature |
Operating Static Pressure Range (kPa Absolute Pressure) |
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20℃ |
＞10 |
＞10 |
＞10 |
＞25 |
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100℃ |
＞25 |
＞25 |
＞25 |
＞50 |
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150℃ |
＞50 |
＞50 |
＞50 |
＞75 |
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200℃ |
＞75 |
＞75 |
＞75 |
＞100 |
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250℃ |
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＞100 |
＞100 |
＞100 |
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350℃ |
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＞100 |
＞100 |
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400℃ |
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＞100 |
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Note: Applications exceeding the above operating temperature and pressure ranges should be specifically noted. Special designs can be implemented to meet requirements.
Transmitter Body Pressure Limit: Vacuum to Maximum Pressure
Remote Flange Rated Pressure:
ANSI Standard: 150psi～600psi DIN Standard: PN 1.6MPa～PN 10MPa
Weight:
DN 50/2 ″ Approximately 7kg～10kg，DN 80/3″ Approximately 8kg～11kg，DN 4″ Approximately 9kg～12kg.
Explosion-proof Performance:
NEPSI Explosion-proof certification: Ex dⅡC T6 NEPSI Intrinsic safety certification: Ex iaⅡC T4 Permissible operating temperature: -40℃～65℃
6.4 Power Supply and Load Conditions
The power supply voltage is 24V
R ≤ (Us-12V)/Imax k Ω where Imax=23 mA
Maximum supply voltage: 42VDC, Minimum supply voltage: 12VDC, 15VDC (backlit LCD display)
Digital communication load range: 250Ω～600Ω
Material:
Measuring Diaphragm: Stainless Steel 316L
Diaphragm: Stainless Steel 316L, Hastelloy C, Tantalum Process Flange: Stainless Steel 304
Filling liquid: Silicone oil, high-temperature silicone oil, ultra-high-temperature silicone oil, vegetable oil Transmitter housing: Aluminum alloy material, epoxy resin coating on the surface
Housing Seal: Nitrile Rubber (NBR)
Nameplate: Stainless Steel 304 Electrical Connection:
M20 × 1.5 Cable gland, terminal block suitable for 0.5 m m 2 ~ 2.5 m m 2 wires. Process Connection:
Remote flange conforms to ANSI standard or DIN standard. Direct installation possible, refer to the dimensions table.
Housing Protection Level:
IP67
Table 4 Electromagnetic Compatibility Appendix
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Serial Number |
Test Item |
Basic Standard |
Test Conditions |
Performance Level |
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1 |
Radiation Interference (Housing) |
GB/T 9254-2008 Table 5 |
30MHz～1000MHz |
Qualified |
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2 |
Conducted Interference (DC power port) |
GB/T 9254-2008 Table 1 |
0.15MHz～30MHz |
Qualified |
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3 |
Electrostatic Discharge (ESD) Immunity |
GB/T 17626.2-2006 |
4kV (contact) 8kV (air) |
B |
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4 |
Radio Frequency Electromagnetic Field Immunity |
GB/T 17626.3-2006 |
10V/m (80MHz～1GHz) |
A |
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5 |
Power Frequency Magnetic Field Immunity |
GB/T 17626.8-2006 |
30A/m |
A |
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6 |
Burst Immunity |
GB/T 17626.4-2008 |
2kV (5/50ns, 5kHz) |
B |
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7 |
Surge Immunity |
GB/T 17626.5-2008 |
1kV (line-to-line) 2kV (line-to-ground) (1.2us/50us) |
B |
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8 |
RF field induced conduction Interference Immunity |
GB/T 17626.6-2008 |
3V (150kHz～80MHz) |
A |
Selection of pressure/absolute pressure remote seal device with internal diaphragm
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Remote seal device with internal diaphragm |
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UN- Direct mount, no capillary |
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US- |
With capillary |
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Process connection |
Nominal diameter |
Sealing surface type |
Rated pressure |
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A |
DN25 DIN 2501 |
D type DN2526 |
PN 1MPa/4MPa |
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B |
DN25 DIN 2501 |
D type DN2526 |
PN 6.3MPa/10MPa |
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C |
DN25 DIN 2501 |
D type DN2526 |
PN 16MPa |
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D |
DN25 DIN2501 |
E type DN2526 |
PN 25MPa |
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E |
DN1″ANSI B 16.5 |
RF type ANSI B 16.5 |
150psi |
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F |
DN1″ANSI B 16.5 |
RF type ANSI B 16.5 |
300psi |
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G |
DN1″ANSI B 16.5 |
RF type ANSI B 16.5 |
600psi |
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H |
DN1″ANSI B 16.5 |
RF type ANSI B 16.5 |
1500psi |
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Code Filling liquid |
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S Silicone oil -30℃～200℃ |
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H High temperature silicone oil -10℃～350℃ |
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V Vegetable oil 0℃～250℃ |
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Code |
Capillary length |
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1 |
1m |
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2 |
2m |
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3 |
3m |
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4 |
4m |
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5 |
5m |
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6 |
6m |
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S |
Special length |
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Code Capillary component characteristics |
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N None |
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P With PVC Protective layer capillary |
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Selection of threaded pressure/absolute pressure remote seal device
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Threaded pressure/absolute pressure remote seal device |
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TS- With capillary |
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Code |
Diaphragm/seal material |
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U |
Stainless steel 316L |
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V |
Hastelloy C |
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W |
Tantalum |
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Code |
Flushing spare hole |
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1 |
No |
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0 |
Yes |
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Code |
Filling Liquid |
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S |
Silicone oil -30℃～200℃ |
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H |
High temperature silicone oil -10℃～350℃ |
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U |
Ultra-high temperature silicone oil -10℃～400℃ |
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V |
Vegetable oil 0℃～250℃ |
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Code |
Capillary length |
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1 |
1m |
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2 |
2m |
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3 |
3m |
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4 |
4m |
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5 |
5m |
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6 |
6m |
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8 |
8m |
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S |
Special length |
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Code Capillary component characteristics |
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N None |
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P With PVC Protective layer capillary |
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Keywords:
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日月仪器
Contact Fax:0552-4070672
Company Website:www.sunmoon-china.com
Email:smsales@163.com
Address: No. 985, Xingzhong Road, High-tech Zone, Bengbu City, Anhui Province, China, Sun Moon Science and Technology Park
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