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Specifications
DP Intelligent differential pressure flow transmitter1 professional manufacturer
2 quick shipment
DP Intelligent differential pressure (flow ) Transmitter
Use object: liquid, gas or vapor
Technical data:
1 Measurement Range: Range 3 0-0.2 ~ 7.0kPa (0-20 ~ 715mmH2O)
Range 4 0-1.0 ~ 37.4kPa (0-96 ~ 3810mmH2O)
Range 5 0-4.7 ~ 186.8kPa (0-477 ~ 19050mmH2O)
Range 6 0-17.3 ~ 690kPa (0-0.18 ~ 7kgf/cm2)
Range 7 0-51.7 ~ 2068kPa (0-0.525 ~ 21kgf/cm2)
Range 8 0-172.3 ~ 6890kPa (0-1.75 ~ 70kgf/cm2)
2 Output Signal: Linear Output: 4 ~ 20mA output superimposed HART ® protocol digital signal (two-wire)
Square root output: input pressure between 1.0% to 100%, was the square root of the differential output relationship; between 0% to 0.1%, the output of the differential piecewise linear relationship; Output 4 ~ no hopping between 20mADC superimposed HART ® protocol digital signal (two-wire), the user can select a linear or square root output output according to the situation.
3 Power supply: External power supply 24V DC, (power range 12V ~ 45V)
4 Load: maximum allowable load resistance circuit load resistance Rmax = (E-12) / 0.02 (Ω)
5 Hazardous Locations Installation: flameproof dllCT6;
Intrinsically safe iallCT6
6 Load characteristics: After the positive and negative migration on its range, the lower limit shall not exceed the range limit. When the minimum range, maximum positive transfer of 0.975URL; maximum negative migration of-URL. In the square root output, plus or minus 10% of the migration adjustable flow range.
7 Temperature range: -40 ~ 104 °C medium temperature
Storage temperature -40 ~ 85 °C
The whole operating temperature -40 ~ 85 °C -20 ~ 70 °C (with digital meter);
8 Relative humidity: 0 to 100%
9 Overpressure limit: impose 0 (absolute pressure) ~ 13.76MPa pressure to either side of the transmitter, the transmitter is not damaged; flange can withstand the pressure 68.9MPa; normal operating pressure should 3.45kPa (absolute pressure) to the transmitter control range limit.
10 Volume variation: less than 0.16cm3
11 Damping: The time constant is adjustable between 0.2 ~ 32.0s.
12 Start Time: 3s, without preheating.
Performance indicators (in the absence of migration, 316 stainless steel diaphragm and other standard test conditions)
1 Turndown ratio: 40:1
2 Accuracy: Range of 3,4,5
3 In the range 1:1 to 10:1, for the adjustment range of ± 0.1%
In the turndown ratio of 10:1 to 40:1, in order to ± 0.05 (1 +0.1 URL / span)% of span
Range is 6,7,8
In the range of 1:1 to 10:1 by for adjustment range ± 0.15%
In the turndown ratio of 10:1 to 40:1, in order to ± 0.075 (1 +0.1 URL / span)% range,
4 Stability: Six months is the maximum error of ± 0.15% of span
5 Temperature effects: 4,5,6,7,8 zero error range is the maximum range of ± 0.25% / 55 °C.
6 Including the span and zero total error, the maximum range of ± 0.5% / 55 °C.
(Note: For the 3 temperature error range to be doubled)
7 Overpressure effects: After pressing 140kgf/cm2, the maximum error range of ± 0.25%.
8 Static pressure effect: linear output, zero error: plus static 140kgf/cm2, the range 4,5 zero error is the largest range of ± 0.25%, the maximum range 3,6,7,8 zero error range of ± 0.5%.
9 Range error: error range 4,5,6,7,8 largest range of -1 ± 0.25% / 6.89MPa, Range 3 error was -1.5 ± 0.25% of maximum range. This is a system error, according to the actual static pressure adjustment before installation and eliminate the errors.
10 Power effect: less than 0.005% of output span / V
11 Vibration: On any axis, frequency of 200Hz, the error caused by the largest range of ± 0.05% / g.
12 Load effect: As long as the input voltage is higher than the transmitter 12V, no load impact load workspace.
13 Mounting Position Effect: Max can produce no more than 0.25 kPa for zero error, but can be corrected, no effect on the range;
The main body is rotated relative to the flange measured no effect.
14 Electromagnetic radiation: meet IEC801 standards
Structural indicators
1 Structural materials: isolation diaphragm and drain / vent valves: 316 stainless steel, Hastelloy C, Monel;
2 Flanges and Fittings: 316 stainless steel, Hastelloy C, Monel;
"O"-rings (in contact with the measuring medium): Viton, nitrile rubber, ethylene - propylene;
3 Filling liquid: silicone oil;
4 Bolts: galvanized steel, 1Cr18Ni9, 0Cr17Ni4CuNb, 42CrMo;
Electrical Housing: Low-copper aluminum alloy;
Coating: polyester epoxy.
5Impulse connections: Range of 3,4,5 two flanges connecting thread 1/4-18NPT center pitch is 54mm; two joints connecting thread 1/2-14NPT, Center for the 51,54,57 mm pitch three sizes . 6,7,8 large range of differential pressure transmitters, two flanged 1/4-18NPT, the center of the pitch is greater than 54mm; two joints connecting thread 1/2-14NPT (NPT).
6 Electrical connection: threaded end with 1/2-14NPT conduit and wiring terminals and supporting test piece band.
7 Weight: 3.5kg (not including options).
About Us:
Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer Mr Tian has more than 30 years on this area, he is one of the engineers who introduced the Rosemount technology. We specializing in developing high precision pressure transmitter and pressure gauges. And we also develop temperature transmitter, level transmitter, densitometer etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.
If you need this rosemount 3051 pressure transmitters of instrument , please visit the website
Katherina Wang
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