


Low cost and qualified low pressure
transmitter for industrial applications
Excellent corrosion and abrasion
resistances
Measuring ranges from 0~250mmH2O
to 70kgf/cm2 relative or absolute
pressure
Rugged piezoresistive or capacitive
ceramic measuring cell
Shock and vibration resistant
Wide operating temperature range
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
Level measurements
an advanced device for measuring low pressure of gases
and liquids in industrial applications. It is extremely
versatile and suitable for measuring static pressure. The
built-in ceramic measuring cell is highly corrosion
resistant, stable and has an excellent price / performance
ratio. It is available in pressure ranges of 250mmH2O to
70kgf/cm2 relative or absolute pressure and allows direct
contact of the liquid with the measuring cell, therefore
almost any liquids can be measured.
Thanks to their high natural frequency and the rugged
construction, the P215 transmitter withstands high shock
and vibration. The transmitters are available as absolute
and relative pressure types with either 2-wire current or
3-wire voltage output. 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. The output signal of this bridge is
converted into a standardized current or voltage output
signal.
Technology Piezoresistive ceramic pressure sensor Capacitive ceramic pressure sensor
Pressure ranges 0~0.1 to 0~1kgf/cm2 gauge pressure 0~250mmH2O to 70kgf/cm2
Pressure reference Relative Relative or absolute
Overload 3×full scale without damage 6×full scale without damage
Current Output Voltage Output Current Output Voltage Output
Electrical connection type 2-wire 3 or 4-wire 2-wire 3 or 4-wire
Full scale output signal 20mA ±0.5% 5V ±0.05% 20mA ±0.05% 5V ±0.05%
Zero measured output 4mA ±0.05% 1V ±0.05% 4mA ±0.01% 1V ±0.01%
Unamplified 2.0/3.0/3.3mV/V
Other signals 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
Response time 1.5ms 1ms
Adjustment ±10% FSO/zero and span ±20%FSO/zero and span
Accuracy ≤±0.5% FSO ≤±0.2% FSO
Linearity, Hysteresis & Repeatability ±0.2…0.4% FSO typical ±0.1....0.15% FSO
Stability ±0.3% FSO/a @25°C
Cutoff frequency(-3 d B) ±2kHz
Reference temperature 25°C 25°C
Operating temperature range -40~125°C -40~125°C
Compensated temperature range 0~70°C -20~80°C
Thermal sensitivity shift ≤±0.015%/°C typical ≤±0.05% FSO typical
Thermal zero shift ≤±0.02% FSO/°C typical ≤±0.05% FSO typical
Long term stability ±0.3% FSO over 6 months Max annual error 0.1% for 5 years
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 ceramic Al2 O3, 96%
Materials wetted by process Diaphragm : Ceramic Al2 O3, 96%
Housing : Stainless steel 316
Gasket O-ring : Viton, Teflon(HNBR, CSM, etc.)
Enclosure rating IP65
Influence of mounting position Not critical
Weight Approx.(400g)
Options Sealed diaphragm with thread connection
Sealed diaphragm with flange mounting
Siphon tube
Sealed diaphragm with capillary
Note : ① Available customer designed low pressure transmitter on reguest
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