Compact Pressure Transmitter 緊湊型壓力變送器
Advantages General Description
Compact pressure transmitter for
industrial applications
Extremely corrosion resistant
Measuring ranges from 0.1 to
500kgf/cm2
Rugged piezoresistive ceramic or silicon
measuring cell
Shock and vibration resistant
Compact design
Zero and span adjustments
Applications
The transmitters can be used for a wide
range of applications in process control,
automatic machinery and
hydraulic or pneumatic system design.
Standard hydraulic and pneumatic
equipments
Process control
Machine tools and automatic
machinery
Monitoring systems
Servo valves and drives
Chemical and petrochemical industry
Air and gas compressors
Loading and brake systems
P300 series compact designed pressure transmitter
meets the requirements for a general purpose, reliable
ａnd economical pressure measurements for industrial
ａnd process control installations. This pressure
transmitter measures of gases and liquids in industrial
applications and is available wide range of pressure in
0.1 to 500kgf/cm2 relative or absolute pressure. It is
extremely versatile and suitable for measuring dynamic
ａnd static pressure.
The built-in piezoresistive silicon or ceramic measuring
cell is highly corrosion resistant, stable and an excellent
price / performance ratio. The transmitters are available
with either 2-wire current or 3-wire voltage output. The
measuring principle of ceramic sensor is that the
pressure to be measured acts without transmitting liquid
on a stable, corrosion resistant ceramic measuring cell.
Piezoresistive resistors are attached to the cell and
connected into a Wheatstone bridge configuration. In
case of isolated silicon sensor, the pressure to be
measured acts through thin corrosion resistant stainless
steel 316L diaphragm on a silicon measuring element.
The pressure transmitting medium is silicon oil. The
measuring element contains diffused piezoresistive
resistors which are connected into a Wheatstone bridge.
The output signal of this bridge is converted into a
standardized current or voltage output signal.
Model P316 / P317 P326 / 327
Technology Piezoresistive ceramic pressure sensor Piezoresistive silicon pressure sensor
Pressure ranges 0~0.5 to 0~500kgf/cm2 relative 0~0.1 to 350kgf/cm2 relative
0~1 to 500kgf/cm2 absolute 0~1 to 350kgf/cm2 absolute
Pressure reference Vacuum, Gauge, Absolute, Compound
Overload 1.5× full scale without damage 3× full scale without damage
Un-amplified 2.0~3.3m V/V 5.0m V/V
Amplified 4~20mA current(2-wire)
1~5V voltage(3 or 4-wire)
Other output signal available on request
Excitation voltage 12~36V DC
Load resistance max@24V 500Ω at 24V
Influence of excitation 0.01% FSO/V
Power ripple ≤500mV P-P
Reverse polarity Protected
Shock resistance ≤20g ≤10g
Response time 1.5ms ≤2 millisecond
Adjustment ±10% FSO/zero and span ±10% FSO/zero and span
Accuracy ≤±0.5% FSO ≤±0.25% FSO
Linearity, Hysteresis & Repeatability ±0.2…0.4% FSO typical ±0.05% FSO typical
Stability ±0.3% FSO/a @25°C ±0.15% FSO/a @35°C
Cutoff frequency(-3 d B) ≤2kHz
Reference temperature 25°C 35°C
Operating temperature range -40~125°C -40~125°C
Compensated temperature range 0~70°C 0~82°C
Thermal sensitivity shift ≤±0.015%/°C typical ≤±0.05% FSO typical
Thermal zero shift ≤±0.02% FSO/°C typical ≤±0.1% FSO typical
Process connection PT1/4″, PT3/8″, PT1/2″male thread
PF1/4″, PF3/8″, PF1/2″male thread
Female thread & other connections available on request
Process media Gases and liquids compatible with
Materials of Diaphragm Ceramic Al2 O3, 96% Stainless steel 316L
Housing Stainless steel 316 Stainless steel 316
Gasket O-ring Viton, HNBR
Enclosure rating IP65
Influence of mounting position Not critical Under 0.5kgf/cm2, mounting vertically
Weight Approx.(157g)
Options Sealed diaphragm with thread connection
Sealed diaphragm with flange mounting
Siphon tube
Sealed diaphragm with capillary
Note : ① For high pressure measurement, thin film pressure transducer with this model also available.
② Cable version : 1.5m standard length, 4-wire, shielded with integral vent tube
③ Vented gauge units must breathe dry, non - corrosive gases.
④ Connector version is vented through the removed pin, cable versions are vented through a vent tube inside
the cable sleeve
Input
Output
Electrical Specifications
Performance Specifications
Physical Specifications
