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iangsu Zhongwei Measurement and Control Co., Ltd.Free·1YRS

  • E-mail

    zhongweick@163.com

  • Phone

    0517-86918678

  • Address

    No. 4-4 East West Road, Jinhu County Industrial Concentration Zone, Huaian City, Jiangsu Province

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Intelligent pressure/pressure transmitter

Model
Nature of the Manufacturer
Other
Product Category
Transmitter
Place of Origin
City, Province
Overview
Intelligent pressure/pressure transmitter
Product Details
Description:

ZW3851AP seriesIntelligent pressure/pressure transmitterIs the application of digital technology, in addition to ensure that the instrument of high reliability and superior performance, the other can realize real time self-check configuration and operation of intelligent instruments and digital remote connection between the control room, control room of unit instrument remote query or real-time configuration.High precision and good stability.Adjustable range, zero outside.Miniaturization, light weight, strong resistance to vibration.No mechanical moving parts, reliable operation, easy maintenance.Connect the solid element, printing circuit board.Explosion-proof structure, can be all-weather use.

Second, the working principle:

ZW3851AP series intelligent absolute pressure/pressure transmitter is when two of the measured medium pressure ventilation with high and low pressure chamber, two effects at both sides of the components (i.e., sensitive element) on isolated patch, through spacer and components on both sides of the filling liquid to measure the diaphragm.Measuring diaphragm and on both sides of the insulation on the electrodes of a capacitor.When we have different pressure on both sides, to cause measuring diaphragm displacement, the displacement and stress is directly proportional to the difference, so both sides capacitance range, through the link of oscillation and demodulation, is converted into is proportional to the pressure signal.And the principle of absolute and differential pressure transmitter is the same, the difference is low pressure chamber pressure is atmospheric pressure or vacuum.

Applications:

ZW3851AP series intelligent absolute pressure/pressure transmitter can be realized on the degassing system, distillation tower, the absolute pressure inside the evaporator and mold equipment such as measuring, allowed under 10 mpa pressure.Absolute pressure transmitter of the delta chamber side accept absolute pressure signal being measured, the benchmark closed at the other side into a high vacuum chamber, and then convert them into 4 ~ 20 ma DC signal output.

Four, the main features:

1, the super performance measurement for pressure, differential pressure, liquid level, flow measurement;

2, digital precision: + (-) 0.05%;

3, stability: 0.25% 60 months;

4, range: 100:1;

5, measuring rate: 0.2 S;

6, miniaturization (2.4 kg) stainless steel flange, easy to install;

7, process connection compatible with other products, the realization of measurement;

8, the world's only USES the H alloy sheath of sensors (technology), achieved good cold and hot stability;

9, 16 computer;

10, standard 4-20 ma, with digital signal based on HART protocol, the remote control support to field bus and upgrade based on the technology of field control.

ZW3851AP

(In the wei and control)


4

0 to 6~40KPa

5

0 to 40~200KPa

6

0-0.16~1MPa

7

0-0.4~2.5MPa

8

0-1.6~10MPa


Code name

function

N

General simulation model (output: 4 ~ 20 ma)

G

Conventional intelligence (output: 4 ~ 20 ma)

S

Standard smart (output: 4 ~ 20 ma with HART bus protocol)


Code name

Junction structure materials

Flange joint

Vent/drain valve

Isolation diaphragm

Pump the liquid

22

316Stainless steel

316Stainless steel

316Stainless steel

Silicone oil


23

316Stainless steel

316Stainless steel

Hartz C - 276

24

316Stainless steel

316Stainless steel

monel

25

316Stainless steel

316Stainless steel

tantalum


Code name

precision

Q1

0.2%FS

Q2

0.5%FS


Code name

Electrical connection in the head

L1

M20X1.5Internal thread

L2

1/2NPTInternal thread


Code name

Additional options

M1

0~ 99% linear instructions header

M3

Digital display meter

B1

2"Pipe bracket with bending

B2

Bracket with curved wall/board

B3

2"Pipe bracket with flat

D0

Relief valve in central pressure chamber

D1

The upper side discharge valve in the pressure chamber

D2

Lateral release valve at the bottom of the pressure chamber

C0

1/2"The cone tube nipple

C1

1/2"Lead pressure joints and the back of the welding pipe phi 14 (supply including C0)

C2

Jump nipple M20X1. 5

d

Flameproof EXd Ⅱ CT5

i

The Ann model EXia Ⅱ CT6


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