ДОМПродукцияДатчик давления и температурыDifferential pressure transmitterDifferential pressure sensor side-mounted
  • Differential pressure sensor side-mounted#SM39PWB-CYCZ
  • Differential pressure sensor side-mounted#SM39PWB-CYCZ
  • Differential pressure sensor side-mounted#SM39PWB-CYCZ
  • Differential pressure sensor side-mounted#SM39PWB-CYCZ
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Differential pressure sensor side-mounted

Описание продукта

The SM39PWB-CY differential pressure transmitter is used to measure the liquid level, density, pressure, and flow rate of liquid, gas or steam, and then convert it into 4 mA to 20 mADC HART current signal output. It can also communicate with HART handheld terminal for parameter setting, process monitoring, etc.

 
 
 

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Differential pressure sensor side-mounted performance requirement

Reference accuracy of scalrange (including linearity, regression, and repeatability from zero):

± 0.0 7 5% If TD> 10 (TD= maximum range / adjusted range) is: ± (0.0075 TD)%

Quota code-20℃ to 65℃ for the total effect amountQuota code-40℃ to-20℃ and 65℃ to 85℃ total effects
A±(0.45×TD+0.25)%×SpanA±(0.45×TD+0.25)%×Span
B±(0.30×TD+0.20)%×SpanB±(0.30×TD+0.20)%×Span
C/D/F±(0.20×TD+0.10)%×SpanC/D/F±(0.20×TD+0.10)%×Span

The square root output accuracy is 1.5 times the above linear reference accuracy. The influence of ambient temperature

Over the scope of influence

±0.075%×Span

Static pressure effect

Quota codeinfluence quantity
A±(0.5%Span)/4MPa
B±(0.3%Span)/16MPa
F/ G/H/I/J±(0.1%Span)/16MPa

D Overpressure effect

Quota codeinfluence quantity
A±0.5%×Span/4MPa
B/C/D/E±0.2%×Span/16MPa
F/ G/H/I/J±0.1%×Span/16MPa

long term stability

Quota codeinfluence quantity
A±0.5%×Span/1year
B±0.2%×Span/1year
F/ G/H/I/J±0.1%×Span/1year

Power impact

± 0.001% / 10V (12 to 42 VDC), negligible.

Differential pressure sensor side-mounted functional specification

Range and range

Range / rangekPa
 Arange0~1
scope- 3000~ 3000
 Brange1~ 100
scope- 1 6 000~ 1 6 000
 Crange100~ 500
scope- 1 6 000~ 1 6 000
 Дrange500~ 3000
scope- 1 6 000~ 1 6 000
 Erange30 00~ 4 000
scope- 1 6 000~ 1 6 000
 Frange4 0 00~ 10 000
scope- 1 6 000~ 1 6 000
 Grange1~ 100
scope1 6 000~ 30000
 ЧАСrange100~ 500
scope1 6 000~ 30000
 Irange500~ 3000
scope1 6 000~ 30000
 Jrange3000~ 4000
scope1 6 000~ 30000

Quantity limit

In the upper and lower limits of the range, can be adjusted.

It is recommended to choose a range code as low as possible to optimize the performance characteristics. Zero point setting

The zero and range can be adjusted to any value within the measurement range in the table, as long as the calibration range minimum range

Installation location impact

The change of the installation position in the parallel direction of the membrane will not cause zero drift effect. If the change of the installation position and the membrane is more than 90°, the zero position in the range of <0.4 kPa will occur, which can be adjusted by adjustment. There is no quantitative impact.

output

Second-line system, 4 mA ~ 20 mADC, optional HART output digital communication, optional linear or square root output. Output signal limit: I min=3.9mA, I max=20.5mA

response time

The damping constant of the amplifier component is 0.1s; the sensor time constant is 0.1s~1.6s, depending on the range and the range ratio. The additional adjustable time constant is: 0.1s~60s. The effect on the nonlinear output (e. g., the square root function) depends on that function and can be calculated accordingly.

preheating time

<15s

ambient temperature

-40℃~85℃

-20℃ ~65℃ with liquid crystal display and fluorine rubber sealing ring

-50℃ ~85℃; with LCD display: -40℃ ~85℃ working pressure

The rated working pressure is divided into: 16MPa, 25MPa and 40MPa three gear static pressure limit

From 3.5kPa absolute pressure to rated pressure, the protection pressure can be 1.5 times the rated pressure and added to both sides of the transmitter. One-directional overload limit:

Electromagnetic compatibility (EMC)

See EMcompatibility schedule on the following page

Differential pressure sensor side-mounted install

Power supply and load conditions

The power supply voltage is 24V, R (Us-12V) / I ma x kΩ where I ma x = 2 3  mA

Maximum power supply voltage: 42VDC

Minimum power supply voltage: 12VDC, 15VDC (backlit liquid crystal display) digital communication load range: 250 Ω ~600 Ω

Электрическое подключение

M201.5 cable sealing buckle, the wiring terminal is suitable for 0.5 m m 2~ 2. 5 m m 2 wire.procedure linkage

The two sides of the process connection flange have NPT 1 / 4 and UNF 7 / 16 ″ internal threads.

Differential pressure sensor side-mounted Physical specifications

material quality

Measurement membrane box: stainless steel 316L

Membrane: stainless steel 316L, Harbin alloy C process flange: stainless steel 304

Nuts and bolts: Stainless steel (A4) filling fluid: silicone oil

Seal ring: nitrile rubber (NBR), fluorine rubber (FKM), polytetrafluoroethylene (PT F E) transmitter shell: aluminum alloy material, exterior spray epoxy resin

Enclosure sealing ring: Nitrile rubber (NBR) nameplate:, stainless steel 304

weight: 3.3kg (without: LCD, mounting bracket, process connection)

Housing protection class IP67

Electromagnetic compatibility schedule

order numbertest itembasic criteriontest conditionPerformance level
1Radiation interference (enclosure)GB / T 9254-2008 Table 530MHz~1000MHzqualified
 2conducted interference(DC power supply port) GB / T 9254-2008 Table 1 0.15MHz~30MHz qualified
 3 Electrostatic discharge (ESD) immunity GB/T 17626.2-20064kV (contact point)8kV (air) B
 4 RF electromagnetic field immunity GB/T 17626.3-200610V/m(80MHz~1GHz) A
5Power-frequency magnetic field immunityGB/T 17626.8-200630A/mA
6Electric fast transient pulse group immunityGB/T 17626.4-20082kV(5/50ns,5kHz)B

Note 1: A Performance grade description: normal within the limit of technical specification.

Note 2: B Performance rating description: During the test, the function or performance is temporarily reduced or lost, but it can be restored by itself, and the actual health, storage and data do not change.

Outline dimension

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