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SM39PWB-CY Differential pressure transmitter
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Number of views:
812
Product serial number
Category
Differential pressure transmitter
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Product Description
SM39PWB-CY
Differential pressure transducer is used to measure the liquid level of liquid, gas or steam, density, pressure, and flow, and then transform it into 4 ma ~ 20 madc HART current signal output. Can also be used with the HART handheld terminal to communicate with each other, to set parameters, process monitoring, etc.
Standard specifications
(based on standard zero adjustment range, 316 l stainless steel diaphragm, filling liquid silicone oil)
The performance specifications
Adjustable range accuracy of reference (including linear, starting from zero return difference and repeatability) :
If a plus or minus 0.075% TD > 10 (TD = maximum range/adjusting range) for plus or minus 0.0075 x (TD) %
Square root of the output precision linear reference accuracy for above 1.5 times.
The environment temperature influence
| Range of code |
-20℃～65℃ |
Range of code |
-40℃～-20℃和 65℃～85℃ |
|
A |
±(0.45×TD+0.25)%×Span |
A |
±(0.45×TD+0.25)%×Span |
|
B |
±(0.30×TD+0.20)%×Span |
B |
±(0.30×TD+0.20)%×Span |
|
C/D/F |
±(0.20×TD+0.10)%×Span |
C/D/F |
±(0.20×TD+0.10)%×Span |
过范围影响
±0.075%×Span
静压影响
| Range of code | Difference value |
|
A |
±(0.5%Span)/4MPa |
|
B |
±(0.3%Span)/16MPa |
|
F/G/H/I/J |
±(0.1%Span)/16MPa |
过压影响
|
量程代码 |
影响量 |
|
A |
±0.5%×Span/4MPa |
|
B/C/D/E |
±0.2%×Span/16MPa |
|
F/G/H/I/J |
±0.1%×Span/16MPa |
长期稳定性
|
量程代码 |
影响量 |
|
|
A |
±0.5%×Span/1 |
年 |
|
B |
±0.2%×Span/1 |
年 |
|
F/G/H/I/J |
±0.1%×Span/1 |
年 |
电源影响
±0.001% /10V (12～42V DC)，可忽略不计。
- 功能规格
量程和范围
|
量程/范围 |
kPa |
|
|
A |
量程 |
0～1 |
|
范围 |
-3000～3000 |
|
|
B |
量程 |
1～100 |
|
范围 |
-16000～16000 |
|
|
C |
量程 |
100～500 |
|
范围 |
-16000～16000 |
|
|
D |
量程 |
500～3000 |
|
范围 |
-16000～16000 |
|
|
E |
量程 |
3000～4000 |
|
范围 |
-16000～16000 |
|
|
F |
量程 |
4000～10000 |
|
范围 |
-16000～16000 |
|
|
G |
量程 |
1～100 |
|
范围 |
16000～30000 |
|
|
H |
量程 |
100～500 |
|
范围 |
16000～30000 |
|
|
I |
量程 |
500～3000 |
|
范围 |
16000～30000 |
|
|
J |
量程 |
3000～4000 |
|
范围 |
16000～30000 |
|
量程限
In the range of upper and lower range, can be arbitrary adjustment.
Advised to choose a range than the lowest possible code, to optimize the performance characteristics. Zero setting
Zero and range can be adjusted to any value within the scope of measurement in the table, as long as: calibration range or the minimum range
Installation position influence
And membrane partial parallel to the direction of changes will not result in a zero drift installation location, if the installation position and membrane partial change of more than 90 °, will happen < 0.4 kPa zero within the scope of influence, can adjust the zero calibration. No range.
The output
Two wire, 4 ma ~ 20 madc, optional HART output digital communications, can choose linear or square root output. Output signal limit: Imin = 3.9 mA, Imax = 20.5 mA
The response time
Amplifier components damping constant of 0.1 s; Time constant of sensors from 0.1 s to 1.6 s, depending on the range and range. Additional adjustable time constant is: 0.1 s to 60 s. For nonlinear output, such as the square root function depends on the influence of the function, and can be calculated accordingly.
Warm up time
The < 15 s
The environment temperature
- 40 ℃ ~ 85 ℃
With LCD, fluorine rubber seal - 20 ℃ ~ 65 ℃ temperature storage temperature/transportation
- 50 ℃ ~ 85 ℃; With liquid crystal display: - 40 ℃ ~ 85 ℃ work pressure
The rated working pressure can be divided into: 16 mpa, 25 mpa, 40 mpa three static pressure limit
From 3.5 kPa pressure to the rated pressure, absolute pressure protection can be greater than 1.5 times the rated pressure, at the same time add to side of the transmitter. One-way overload limit:
One-way overload can be up to the rated pressure electromagnetic compatibility (EMC)
Please turn over "electromagnetic compatibility table"
The installation
Power supply and load conditions
Power supply voltage is 24 v, R (Us or less - 12 v)/Imax k Ω Imax = 23 mA
Maximum power supply voltage: 42 VDC
Minimum supply voltage: 12 VDC, 15 VDC (backlit LCD) digital communications load range: Ω Ω 250 ~ 600
Electrical connections
M20 x 1.5 cable seal clasp, terminal applies to was 0.5 ~ 2.5 was wires. Process connection
Process of the two surfaces of the connecting flange has 1/4 and UNF within 7/16 "NPT thread.
Physical specifications
The material
Measurement bellows: stainless steel 316 l
Diaphragm: stainless steel 316 l, hartz alloy C process flange: stainless steel 304
Nut and bolt: stainless steel (A4) filling liquid: silicone oil
Seal: nitrile rubber (NBR), fluoro rubber (FKM), polytetrafluoroethylene (PTFE) transmitter shell: aluminum alloy material, appearance coating epoxy resin
Shell sealing ring: nitrile rubber (NBR) nameplate: stainless steel 304
Weight: 3.3 kg (no: liquid crystal display, mounting bracket, process connection)
IP67 protection grade
Electromagnetic compatibility chart
|
序号 |
测试项目 |
基本标准 |
测试条件 |
性能等级 |
|
1 |
辐射干扰（外壳） |
GB/T 9254-2008 表 5 |
30MHz～1000MHz |
合格 |
|
2 |
传导干扰 （直流电源端口） |
GB/T 9254-2008 表 1 |
0.15MHz～30MHz |
合格 |
|
3 |
静电放电(ESD) 抗扰度 |
GB/T 17626.2-2006 |
4kV(触点) 8kV(空气) |
B |
|
4 |
射频电磁场抗扰度 |
GB/T 17626.3-2006 |
10V/m (80MHz～1GHz) |
A |
|
5 |
工频磁场抗扰度 |
GB/T 17626.8-2006 |
30A/m |
A |
|
6 |
电快速瞬变脉冲群抗扰度 |
GB/T 17626.4-2008 |
2kV(5/50ns,5kHz) |
B |
Note 1: A performance levels: test, normal performance within the specification limits.
Note 2: B class of performance description: test, functionality or performance to temporarily reduce or lose, but can recover on its own, and the actual operation condition, storage and data does not change.
Shape dimension unit for mm
Keyword:
量程
span
影响
范围
16000
性能
不锈钢
压力
输出
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