options), Micro M12, DIN, Deutsch, or cable harness
DESCRIPTION
Honeywell’s PX2 Series Heavy Duty Pressure Transducers
are a portfolio of configurable pressure sensors that use
piezoresistive sensing technology with ASIC (Application
Specific Integrated Circuit) signal conditioning in a stainless
steel housing. The PX2 Series is fully calibrated and
compensated for offset, sensitivity, temperature effects and
non-linearity using the on-board ASIC. These transducers
measure absolute, sealed gage, or vented gage pressure. The
absolute versions have an internal vacuum reference and
an output value proportional to absolute pressure, sealed
gage versions have an internal pressure reference of one
atmosphere at sea level, and vented gage versions measure
pressure with respect to ambient pressure. They are RoHS
compliant and are designed and manufactured according to
ISO 9001 standards.
VALUE TO CUSTOMERS
• Media compatibility: Common HFC (hydrofluorocarbon)
refrigerants such as R410A and R134A, next generation low
global warming potential (GWP) refrigerants such as R448A
(Solstice® N40), R32 and R1234ZE, engine oil, petroleum-
based hydraulic fluids, DOT 3 brake fluid, and dry air. For
ammonia and other corrosive media, see Honeywell’s SPT
Series.
• Enhanced durability: The PX2 Series can operate in the
rigorous environments commonly found in HVAC/R and air
compressor applications. The sensor can survive at least 10
million pressure cycles and has an ingress protection rating
up to IP69K.
PORTFOLIO
Honeywell’s PX2 Series joins the PX3 Series, MLH Series, and
SPT Series heavy duty pressure transducers.
The PX2 Series is not recommended for use with media
involving water, saturated air such as steam and vapor, and
ammonia.
(1 m, 2 m, 3 m, or 5 m)
• Total Error Band: ±2.0 %
• Operating and compensated temperature range: -40°C to
125°C [-40°F to 257°F]
• Response time: <2 ms
• Life: Minimum of 10 million cycles to operating pressure
• Output transfer function: Ratiometric, regulated or current
• Mechanical shock rating: 100 G per MIL-STD-202F, Method
213B, Cond. F
• Vibration rating: 20 G sweep, 10 Hz to 2000 Hz
• Ingress protection: Up to IP69K
• Radiated immunity protection: Up to 100 V/m (ISO 11452-2)
• Flame retardant options: UL 94 HB standard on all electrical
terminations; UL 94 V-0 available upon request
POTENTIAL APPLICATIONS
• Industrial: Refrigerant pressure monitoring in HVAC/R
systems; air compressor system pressure
• Transportation: Air system monitoring; hydraulic oil pressure
monitoring
Sensing and Internet of Things
Heavy Duty Pressure Transducers
Table 1. Performance Specifications
1
Characteristic
Operating temperature range
2
Storage temperature range
3
Compensated temperature range
4
Overpressure minimum rating
5
Burst pressure minimum rating
6
Long term stability
Accuracy
7
Offset error
8
Total Error Band
10
Response time
11
Turn on time
12
Life
13
1
2
PX2 Series, 1 bar to 70 bar | 100 kPa to 7 MPa | 15 psi to 1000 psi
Parameter
-40°C to 125°C [-40°F to 257°F]
-40°C to 125°C [-40°F to 257°F]
-40°C to 125°C [-40°F to 257°F]
(See Table 3.)
(See Table 3.)
±0.5 %FSS
9
(1000 hr at 25°C [77°F])
±0.25 %FSS
9
(See Figure 1.)
±1 %FSS
9
±2 %FSS
9
(-40°C to 125°C [-40°F to 257°F]) (See Figure 1.)
<2 ms
<7 ms
minimum of 10 million cycles to operating pressure
All specifications apply at 25°C and under operating conditions unless otherwise noted.
Operating Temperature Range: The temperature range over which the product will produce an output proportional to pressure but may not remain
within the specified performance limits.
3
Storage Temperature Range: The temperature range over which the product may safely be exposed without excitation or pressure applied. Under
these conditions the product will remain in specification after excursion to any temperatures within this range. Exposure to temperatures outside
this range may cause permanent damage to the product.
4
Compensated Temperature Range: The temperature range (or ranges) over which the product will produce an output proportional to pressure
within the specified performance limits.
5
Overpressure: The absolute maximum rating for pressure which may be safely applied to the product for it to remain in specification once pressure
is returned to the operating pressure range. Exposure to higher pressure may cause permanent damage to the product.
6
Burst Pressure: The maximum pressure that may be applied to the product without causing escape of the pressure media. The product should not
be expected to function after exposure to any pressure beyond the rated burst pressure. This rating is also the case burst rating of the product.
7
Accuracy: The maximum deviation in output from a Best Fit Straight Line (BFSL) fitted to the output measured over the pressure range at 25°C.
Includes all errors due to pressure non-linearity, pressure hysteresis, and non-repeatability.
8
Offset Error: the maximum deviation in the output signal obtained when the reference pressure is applied at 25°C relative to the ideal transfer
function.
9
Full Scale Span (FSS): The algebraic difference between the output signal measured at the maximum (Pmax.) and minimum (Pmin.) limits of the
pressure range.
10
Total Error Band: The maximum deviation from the ideal transfer function over the entire compensated temperature and pressure range. Includes
all errors due to offset, full scale span, pressure non-linearity, pressure hysteresis, repeatability, thermal effect on offset, thermal effect on span,
and thermal hysteresis.
11
Response Time: The response time of the transducer is the maximum amount of time that the transducer will take for the transducer to output a
change from 10% to 90% of full scale in response to a 0% to 100% full scale step input pressure range.
12
Turn On Time: Duration from power applied until first valid output.
13
Life may vary depending on the application in which transducer is used.
Figure 1. Total Error Band (TEB) for the Total Error Band Series
All Possible Errors
Offset
Full Scale Span
Pressure Non-Linearity
Pressure Hysteresis
Pressure Non-Repeatability
Thermal Effect on Offset
Thermal Effect on Span
Thermal Hysteresis
Accuracy
BFSL
Total
Error
Band
2
Sensing and Internet of Things
Heavy Duty Pressure Transducers
Table 2. Electrical Specifications
PX2 Series, 1 bar to 70 bar | 100 kPa to 7 MPa | 15 psi to 1000 psi
Current
Output
Ratiometric Output
Characteristic
AA
Output transfer function
1
:
null output value
full scale output value
full scale span (FSS)
operating supply voltage, min.(Vs)
2
operating supply voltage, typ. (Vs)
2
operating supply voltage, max. (Vs)
2
Supply current (typ.)
Output load (pull up or down):
minimum
maximum
Absolute voltage ratings
5
:
minimum
6
maximum
6
maximum applied to output pin
(short circuit protection)
7
EMC rating
8
:
CE compliance:
electrostatic discharge
radiated immunity
fast transient burst
immunity to conducted disturbances
radiated emissions
ISO 11452-2 radiated immunity
1
2
3
4
5
Regulated Output
Output Transfer Function Order Code
1
AB
AC
AD
CH
4 mA
4 mA
16 mA
8V
—
30 V
4
—
—
(Vs - 8) x
50 Ohm
4
-16 V
30 V
—
BC
1V
6V
5V
9V
—
30 V
3
BD
0.25 V
10.25 V
10 V
13 V
—
30 V
3
BE
0.5 V
4.5 V
4V
8V
—
30 V
3
BG
1V
5V
4V
8V
—
30 V
3
10% of Vs 5% of Vs 10% of Vs 5% of Vs
90% of Vs 95% of Vs 90% of Vs 95% of Vs
80% of Vs 90% of Vs 80% of Vs 90% of Vs
3.135 V
3.135 V
4.5 V
4.75 V
3.3 V
3.3 V
5V
5V
3.465 V
3.465 V
5.5 V
5.25 V
5 mA
2 kOhm
—
4 mA
5.5 mA
2 kOhm
—
-16 V
16 V
Vs
-16 V
30 V
12 V
±4 kV contact, ±8 kV air per IEC 61000-4-2
10 V/m (80 MHz to 1000 MHz) per IEC 61000-4-3
±1 kV per IEC61000-4-4
3 V per IEC61000-4-6
40 dB 30 MHz to 230 MHz; 47 dB 230 MHz to 1000 MHz per CISPR 11
100 V/m 200 MHz to 2 GHz
20 V/m 200 MHz to 2 GHz
6
7
8
Output transfer function options are shown in the Nomenclature and Order Guide. (See Figure 4.)
Transducer will not produce valid output when supply voltage is outside of operating range.
Applies at 25°C. See Figure 2 for Regulated Output Supply Voltage.
Applies at 25°C. See Figure 3 for Current Output Supply Voltage.
Absolute maximum ratings are the extreme limits the device can withstand without damage to the product. Voltages above these ratings may
cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability.
Absolute voltage applies to potential across power and ground terminals.
Short circuit protection between output pin and ground, and output pin and supply pin.
All EMC ratings verified with the Metri-Pack 150 electrical connector type.
Figure 2. Regulated Output Supply Voltage
Figure 3. Current Output Supply Voltage
Sensing and Internet of Things
3
Heavy Duty Pressure Transducers
Table 3. Pressure Ratings
bar
kPa
PX2 Series, 1 bar to 70 bar | 100 kPa to 7 MPa | 15 psi to 1000 psi
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Test/Measurement
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