Products > Industrial Intelligent Instruments > Pressure Transmitter > LU-CAP electric capacity absolute pressure transmitter

LU-CAP electric capacity absolute pressure transmitter

1.technical performance

       to subject: liquid, gas or vapour

       range ability: 

LU-CAPS-2400

0-6-36KPa

LU-CAPS-2500

0-30-180KPa

LU-CAPS-2600

0-160-1000Kpa

LU-CAPS-2700

0-400-2500Kpa

LU-CAPS-2800

0-1600-10000Kpa

LU-CAPS-2900

0-4000-25000Kpa

       output: 4-20mA DC

       power: 24VDC, it may be 12VDC if non-load, max. is 45VDC

       positive & negative transfer: up and low may not exceed the range limit after positive & negative transfer, whatever the output is.

Max. positive transfer: 500% of the min. span.

       Temperature:

temperature of operating for amplifier: -25 +90

temperature of operating for sensor:  -40 +104

       Relative humidity: 0~100%

       Sensor capacity changes: <0.16cm3

       Indicate meter (field): scale gauge length: 30mm,

grade: 2.5

       Isolating explosion: ds BT5,   Intrinsically-safety: ia CT5

       Span & Zero: external continually adjusted

       Over-pressure: 0 (absolute pressure) –14Mpa, no damage for transmitter,

the max. pressure is 60Mpa for flange template.

Operating pressure>3.45Kpa (absolute pressure)

       Damp: continually adjusted when time constant is between 0.2~1.67 seconds.

       Settling time: 2s,

 

2. performance index (note: test under the condition of none shift, max. range status of sensor, 316L stainless isolating diaphragm and other standard condition)

       Accuracy: ±0.25% of the span, including the synthesize errors of linear,     change-difference and repeat.

       Stability: ±0.25% of max. range (12 months)

 

       Temperature affect:

zero error:±0.5% / 55,  zero & range errors:±1.0% / 55, when max. range;

zero error:±3.0% / 55,  zero & range errors:±3.5% / 55, when min. range;

        Over-pressure affect: ±0.25% of max. range (according to permitted over-loads for     different ranges)

       vibration affect: ±0.05% / g of the max. range, when 200Hz, any axis up.

       Power affect: <0.005%/V of output range

       Load affect: none affect when voltage >12VDC input to the transmitter.

       Mounting position affect: may cause zero error max. 0.24Kpa, but can be calibrated,   none affect for range

 

3. structure index:

       Structure material: diaphragm: 316 stainless steel, hastelloy C, Monel alloy, Tantalum;

                 O ring: Fluorin rubber;

Flange & bolt: 316 stainless steel;

Fill oil: silicon oil;

Electric shell: low-Cu & aluminum alloy

Plating of electric shell: toast lacquer of amido, formyl, ethene & colophony;

       pressure-lead connector:

flange NPT 1/4 (taper pipe screw thread), (this is the transmitter flange connection);

connection head screw thread NPT 1/2 (taper pipe screw thread), (selected);

       electric parts connector:

down-lead conduit NPT 1/2 line-through hole;

       net weight: 2.4kg (exclude the selected parts)

 

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