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Introduction

Principle & Structure

The pressure used to measure the medium can also be converted into a change in liquid level. The use of fully sealed capacitive sensitive elements ensures excellent stability and reliability for those with high measurement accuracy in pressure or liquid level measurement. The product can be equipped with HART communication protocol as an option, and can communicate with the control system or handheld terminal. , through which they are set, monitored, tested and configured.

Features

High precision, high reliability, high stability

Zero point and range are adjustable on site

Long life for continuous level monitoring

4-20mA standard optional configuration HART communication protocol

Optional remote diaphragm seal

Various corrosive media can be measured according to the choice of different diaphragm materials

Explosion proof optional

Damping adjustable

application

Suitable for liquid level monitoring and pipeline pressure monitoring of medium and large tanks

Suitable for the measurement of liquids in tanks, tanks, pits, and corrosive liquids

Mainly used in wastewater/purification treatment, shipbuilding, generator equipment, petrochemical, food

Electronics, dyeing and finishing, chemical, rubber and plastics, hydraulic machinery, chemical and pharmaceutical industries

technical parameter

Range:see selection table
output:Two-wire 4-20mA DC signal or HART digital signal
Accuracy:0.1 level, 0.25 level, 0.5 level optional
stability:≤±0.45%/55℃
Installation location affects:When the sensor diaphragm is not vertical, it may produce no more than
Zero system error of 0.24Kpa, this error can be corrected by zero adjustment
Vibration Effects:±0.1% maximum range limit
Power Effects:Less than 0.0055/V of output range
Power supply:12…30VDC
Overload pressure:1.5 times the range
load:The maximum load resistance R of the circuit board: R=(V-10.5)/0.-236, where
R is the maximum load resistance Ω; V supply voltage (see left figure)
Start Time:5Sec
refresh time:0.25Sec
Span and Zero Adjustment:Adjustment by button or using HART communicator
Positive and negative transfer:The maximum positive migration is the upper limit of the measurement range (URL) and the measurement
The maximum negative migration amount of the difference between ranges is URL
Error alert:The self-diagnostic routine has detected a fault, the analog output is higher than 20.8mA or
Below 3.8mA alarm, high/low flag adjusted via HART communicator
Operating temperature:Electronic circuit: -30…85℃, sensitive element (filled with silicone oil):
-40…104℃; (filled with inert oil): -0…70℃
Medium temperature:-40…104℃ (limit)
storage temperature:-40…125℃
Relative humidity:5%-98%
Protection class:IP65
Structural materials:The electrical shell is made of aluminum alloy, and the other parts and materials are shown in the selection table.
Pressure guide connection:The connection hole on the pressure chamber is 1/4-18NPT, and the connection on the pressure fitting
The hole is 1/2-14NPT
Electrical connections:M20×1.5 screw holes for connecting cable ducts
weight:About 3.9kg (excluding accessories)

Selection table

KAP55-Single flange pressure transmitter

Measuring range

0…1.3Kpa~7.5KPA
0…40~200Kpa

0…4~40Kpa
0…0.16~1000Kpa

output

4…20mA

HART protocol

precision

Level 0.1

Level 0.25

Level 0.5

Specification

mounting flangeInsertion lengthHigh-pressure side isolation diaphragm material

DN800mmStainless steel 1.4435 (316L)

DN8050Stainless steel 1.4435 (316L)

DN80100Stainless steel 1.4435 (316L)

DN80150Stainless steel 1.4435 (316L)

DN800mmHastelloy C

DN8050Hastelloy C

DN80100Hastelloy C

DN80150Hastelloy C

DN800mmTantalum

DN1000mmStainless steel 1.4435 (316L)

DN10050Stainless steel 1.4435 (316L)

DN100100Stainless steel 1.4435 (316L)

DN100150Stainless steel 1.4435 (316L)

DN1000mmHastelloy C

DN10050Hastelloy C

DN100100Hastelloy C

DN100150Hastelloy C

DN1000mmTantalum

Body wetted material

Flange jointBleed/drain valveisolation diaphragm

Stainless steel 1.4435 (316L)Stainless steel 1.4435 (316L)Stainless steel 1.4435 (316L)

Stainless steel 1.4435 (316L)Stainless steel 1.4435 (316L)Hastelloy C

Stainless steel 1.4435 (316L)Stainless steel 1.4435 (316L)Monel

Stainless steel 1.4435 (316L)Stainless steel 1.4435 (316L)Tantalum

Hastelloy CHastelloy CHastelloy C

Hastelloy CHastelloy CTantalum

(special option) VARIO

1/2NPT taper pipe thread joint (standard)
Side relief valve on top of pressure chamber

M20*1.5 threaded connector
Side relief valve in the lower part of the pressure chamber

LCD display function
Agreed explosion-proof function

0~100% linear indicator (pointer type)

The complete data of this selection table, please contact the sales staff or email to sales@kewill-auto.cn for complete samples.
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