Heavy Duty Pressure Transducers 32313757
PX3 Series, 1 bar to 50 bar | 15 psi to 700 psi Issue F
Datasheet
Figure 2. PX3 Series External Freeze/Thaw Resistance
(Shown with mating connector, see Figure 5.)
Reduced current consumption: Helps to reduce energy costs,
and enhances product life if used in battery driven systems.
Media compatibility: Common HFC (hydrofluorocarbon)
refrigerants (R410A and R134A), next generation low
global warming potential (GWP) refrigerants (R448A/
Solstice N40, R32 and R1234ZE), engine oil, petroleum-
based hydraulic fluids, brake fluids (DOT3), and dry air. For
ammonia and other corrosive media, see Honeywells SPT Series.
DIFFERENTIATION
Optional diagnostics mode: Beneficial in applications where
the sensor functionality and the need to know internal or
DESCRIPTION
external failure modes is critical.
Honeywells PX3 Series Heavy Duty Pressure Transducers
Great customer value: Multiple configuration possibilities
use piezoresistive sensing technology with ASIC (Application
provide flexibility of use in the application with no upfront
Specific Integrated Circuit) signal conditioning in a brass
NRE or tooling charges.
housing and Metri-Pack 150, DIN, or cable harness electrical
Durable: Provides the tough environmental specifications
connections. The PX3 Series is calibrated and temperature
needed, including insulation resistance and dielectric
compensated from -40C to 125C [-40F to 257F].
strength, external freeze-thaw resistance (see Figure 2),
and EMC performance.
VALUE TO CUSTOMERS
4 mA to 20 mA output is temperature compensated up to 125C.
Total Error Band (TEB) 1.0 %FSS from -20C to 85C:
FEATURES
Provides indication of the sensors true measurement
Pressure range: 1 bar to 50 bar | 15 psi to 700 psi (absolute
performance over a specified temperature range; small
and sealed gage)
error promotes system uptime and efficiency. (See Figure 1.)
Ratiometric output: 0.5 Vdc to 4.5 Vdc or 0.33 Vdc to 2.97 Vdc
4 mA to 20 mA output supports transmission of output
Figure 1. TEB Definition and Temperature Performance
signals over longer distances
Calibrated and temperature compensated
Sources of Error
Total Error Band: 1.0 %FSS from -20C to 85C [-4F to 185F]
Offset
External freeze/thaw resistance: 6 cycles from -30C to
Full Scale Span
50C [-22F to 122F]
Pressure Non-Linearity
Total
Accuracy
Insulation resistance: >100 MOhm, 1500 Vdc (in dry, non-
Pressure Hysteresis
Error
BFSL
ionized air)
Pressure Non-Repeatability Band
Dielectric strength: AC1500V, 1 min. or AC1800V, 1 s (in dry, non-
Thermal Effect on Offset
ionized air)
Thermal Effect on Span
Current consumption: 3.5 mA max.
Thermal Hysteresis
EMC (radiated immunity): 200 V/m (ratiometric voltage
3
output), 140 V/m (current output) per ISO 11452-2
Total Error Band
2
Ingress protection IP67 (Metri-Pack connector), IP69K
(cable harness), IP65 (DIN connector)
1
RoHS, REACH, and CE compliant
0
Six industry-standard pressure port types, including a tube port
-1
which provides for hermetically-sealed process connection
-2
POTENTIAL APPLICATIONS
-3
Industrial: Refrigerant pressure monitoring in HVAC/R
-40C -20C 0C 85C 125C
[-40F] [-4F] [32F] [185F] [257F] systems; dry air system pressure, process controls and
Temperature (C [F])
automation
Transportation: Dry air system monitoring; hydraulic, brake,
and engine oil fluid pressure monitoring; air brake pressure
Higher insulation resistance and dielectric strength:
monitoring
Protects the user and sensor in high over-voltage
situations, and ensures that the device is compliant with
The PX3 Series is not recommended for use with media
industry standards.
involving water, saturated air such as steam and vapor, and
Higher EMC performance: Operates more reliably in the
ammonia.
presence of electro-magnetic fields, such as near wireless
PORTFOLIO
signals, RF communication, and electrical devices.
Honeywells PX3 Series joins the PX2 Series, MLH Series, and
Higher external freeze/thaw resistance: Survives exposure to
SPT Series heavy duty pressure transducers.
frost, commonly found in refrigeration systems. (See Figure 2.)
Sensing and Internet of Things
Total Error Band (%FSS)Heavy Duty Pressure Transducers
PX3 Series, 1 bar to 50 bar | 15 psi to 700 psi
Table 1. Electrical Specifications
Characteristic Parameter
Supply voltage:
ratiometric voltage output:
5 Vdc 5 Vdc 0.25 Vdc
3.3 Vdc 3 Vdc 0.25 Vdc
current output:
-40C to 100C 8 Vdc to 30 Vdc
>100C to 125C 8 Vdc to 25 Vdc
Over voltage and reverse voltage:
ratiometric voltage output 16 Vdc
current output 35 Vdc
Current consumption:
5 Vdc supply 3.0 mA max.
3.3 Vdc supply 1.6 mA to 2.1 mA
Short circuit protection yes
Nominal output transfer function:
5 Vdc supply 0.5 Vdc to 4.5 Vdc (ratiometric to supply)
3.3 Vdc supply 0.33 Vdc to 2.97 Vdc (ratiometric to supply)
8 Vdc to 30 Vdc supply 4 mA to 20 mA
Table 2. Performance Specifications (At 25C [77F] and under unless otherwise noted.)
Characteristic Parameter
1
Operating temperature range -40C to 125C [-40F to 257F]
1
Storage temperature range -40C to 125C [-40F to 257F]
Compensated temperature range -40C to 125C [-40F to 257F]
2
Total Error Band :
-20C to 85C [-4F to 185F] 1.0 %FSS
<-20C, >85C [<-4F, >185F] 2.0 %FSS
3
Accuracy BFSL 0.25 %FSS
Response time <2 ms (10% to 90% step change in pressure)
4
Turn on time <7 ms
5
EMC rating :
surge immunity (all leads) 1000 V line to ground per IEC 61000-4-5
electrostatic discharge 4 kV contact, 8 kV air per IEC 61000-4-2
radiated immunity 10 V/m (80 MHz to 1000 MHz) per IEC 61000-4-3
fast transient burst 1 kV per IEC 61000-4-4
immunity to conducted disturbances 3 V per IEC 61000-4-6
radiated emissions 40 dB V (30 MHz to 230 MHz), 47 dB V (230 MHz to 1000 MHz) per CISPR 11
radiated immunity:
ratiometric (voltage) output 200 V/m per ISO 11452-2
4 mA to 20 mA (current) output 140 V/m per ISO 11452-2
6
Insulation resistance :
ratiometric voltage output >100 MOhm at 1500 Vdc
current output >100 MOhm at 1000 Vdc
Dielectric strength <1 mA at 1500 Vac (1 min) or 1800 Vac (1 s)
6
Load resistance :
ratiometric voltage output >5 kOhm
current output (V - 8) x 50 Ohm
in
Life >10 million full scale pressure cycles over the calibrated pressure range
1
Dependent on seal material. See Figure 5.
2
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, pressure non-repeatability, thermal effect on offset, thermal effect
on span, and thermal hysteresis.
3
Accuracy: The maximum deviation in output from a Best Fit Straight Line (BFSL) fitted to the output measured over the pressure range at 25C
[77F]. Includes all errors due to pressure non-linearity, pressure hysteresis, and pressure non-repeatability.
4
Turn on time: Duration from power applied until first valid output for voltage output. Typical value for 4 mA to 20 mA output.
5
Tested using 1,5 m [59.1 in] long cable.
6
Tested in dry, non-ionized air.
2 Sensing and Internet of Things