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Industrial Smart Pressure Transmitter- Long Term Reliability
PX2088
PLACE ORDER - HART Protocol Ready
- 20:1 Turndown
- External Zero and Span
- 0.20% Accuracy
- Security Jumpers
- Dual Compartment Housing (watertight electronics compartment)
- Individually Characterized and Digitally Compensated
- RFI Protection
Description
Description
trodeks’s PX2088S Series smartpressure transmitters maintain aspecification conformance of at least3σ The reliable performance of theserugged transmitters, when coupledwith the broad selection of options,makes these transducers anexceptional value for tough processapplications. The PX2088S isdesigned to operate safely in theevent of damage or failure to thesensor diaphragm. The electronicscompartment is isolated from theprocess by 2 seals.
A third seal isolates the fieldterminals and conduit entries.This design ensures againsthousing pressurization andprocess contamination.
The electronics incorporates anASIC module that accepts the digitalsignal from the sensor, along with thecorrection coefficients, then correctsand linearizes the signal. This is thenconverted to an analog signal forretransmission. The output sectionalso handles the HART®communications.
SMART FUNCTIONALITY
The PX2088S smart transducer HART® protocol allows easy access to configuration, test, and setup capabilities. The PX2088S can be configured using a HART® communicator or another HART®-based communications device. Configuration consists of two steps. First, the transmitter operational parameters are set including:
– Zero and span
– Damping
– Engineering units
Second, data can be entered into the transmitter to allow identification and physical description of the transmitter. These data include:
– Tag: 8 alphanumerics
– Descriptor: 16 characters
– Message: 32 characters – Date – Integral meter installation – Remote seal information
In addition to the configurable parameters, the PX2088 software contains information that is not userchangeable. Non-configurable information includes:
– Transmitter type
– Sensor limits
– Minimum span
– Fill fluid
– Isolator material
– Module serial number
– Transmitter software revision level
SPECIFICATIONS
Excitation: 10.5 to 36 Vdc unregulated, reverse polarity protected
Supply Effect: <0.01% span/V
Zero Elevation and Suppression: Zero can be suppressed between atmosphere (or 0 psia for absolute ranges) and the upper range limit (URL), provided the span is ≥ the minimum span and the URL does not exceed the units URL. No vacuum calibrations are allowed on the gage pressure models.
Overpressure Limits:
8 and 30 psi Ranges: 120 psi
>30 psi Ranges: 2x URL
Process Temperature Limits:
Silicon Fill: -40 to 121°C (-40 to 250°F)
Inert Fill: -30 to 121°C (-20 to 250°F)
Ambient Temperature Limits:
Standard: -40 to 85°C (-40 to 185°F)
LCD Meter: -20 to 80°C (-4 to 175°F)
Volumetric Displacement: <0.00042 cm3
Accuracy: Includes linearity, hysteresis and repeatability
Smart: ±0.20% of calibrated span
Analog: ±0.25% of calibrated span
Ambient Temperature Effect:
Smart: ±(0.003% URL + 0.003% span)/°F
Analog (Ranges >8 psi): -40 to 0°F ±(0.007% URL + 0.008% span)/°F; -0 to 140°F ±(0.005% URL + 0.005% span)/°F; 140 to 185°F ±(0.007% URL + 0.008% span)/°F
Stability:
Smart: ±0.10% URL for 12 months
Analog: ±0.25% URL for 12 months
Vibration: ±1% URL 4 mm pk/pk 5 to 15 Hz and constant acceleration of 2 g (15 to 150 Hz) and 1 g (150 to 2000 Hz)
Process Connection: ½ to 14 FNPT
Wetted Parts: 316 SS (Hastelloy® optional)
Electronic Housing: Sealed to NEMA 4X (IP66), low-copper aluminum with polyurethane paint; cover O-ring is Buna-N
Electrical Connections: ½ to 14 NPT conduit
Fill Fluid: Silicon oil, standard.
Weight:
Smart: 1.11 kg (2.44 lb)
Analog: 0.86 kg (1.9 lb)
Fitting Material/Fill Options: (add suffix)
SS/Silicon Oil: Standard
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