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Model 270 Pressure Transducer
Brand: Setra Systems, IncThe Model 270 is Setra’s highest performing Analog sensor for barometric, absolute and gauge pressure measurements.
The ceramic sensor on the 270 delivers high performance; its ±0.03% Full Scale accuracy over a wide temperature range outperforms competitive transducers in the environmental sensing market.
The 270 offers multiple options to fit the needs of difficult applications, making it easier to install and gather higher quality data for your project.
Features- Stable Ceramic Sensor
- Low Power Consumption
- Instant Warm-Up
- Fast Response Time
Specifications
Brand
Accuracy
- ± 0.05 % of Full Scale RSS
Applications
- Data Buoys & Remote Weather Stations
- Engine Test Cells
- High Accuracy Pressure Measurement
- Weather & Environmental Data
Approvals & Certifications
- CE
- RoHS
Cable Length
- 10 feet (3 metres)
- 2 feet (0.6 metres)
- 25 feet (7.62 metres)
Circuit Protection
- Reverse Wiring Protection
Compensated Temperature
- -1° to 49° C (30° to 120° F)
- -25° to 65° C (-13° to 150° F)
Constant Acceleration
- 10 G
Consumption
- Current: 8 mA (0.2 W)
Electrical Connectors
- 2 Foot Multiconductor Cable
Environmental Protection
- IP66
- NEMA 4
Excitation Voltage
- 12 Vdc (11-15 Vdc)
- 24 Vdc (22-32 Vdc)
Hysteresis
- < 0.01 % of Full Scale Typical
Isolation
- 100 ohms at 25 Vdc - Min.
Materials of Construction
- Alumina Ceramics
- Aluminum - Anodized
- Gold
Media
- Non-Condensing Air
- Non-Condensing Gas
Name Plate, Tag Material
- Stainless Steel
Non-Linearity
- ± 0.03 % of Full Scale at Best Fit Straight Line
- ± 0.05 % of Full Scale at End Point
NPT Connection
- 1/8” NPT - Internal
- 1/8”-27 NPT Internal
O-Ring Material
- Buna-N
- Fluorocarbon
Operating Temperature
- -18° to 80° C (0° to 176° F)
Output
- 0-5 Vdc at 12/24 Vdc Excitation Voltage
Output Load
- < 5 ohms
Output Noise
- < 200 µV RMS (0 to 100 Hz)
Pressure Range
- bar: 0 to 6.895 - Absolute & Gauge
- kPa: 0 to 68905 - Absolute & Gauge
- mbar: 600 To1,100 - Barometeric
- psi: 0 to 100 - Absolute & Gauge
Pressure Type
- Absolute
- Barometric
- Gauge
Proof Pressure
- psia: 0 to 20 (kPa: 0 to 138, bar: 0 to 1.4)
Resolution
- 0.005 % of Full Scale - Limited Only by Output Noise Level
- Infinite
Response Time
- < 10 milliseconds to Reach 90 % Final Output with Step Function Pressure Input - Time Constant
Shock
- 50 G, 10 milliseconds, 1/2 Sine
Stability
- < ± 0.1 % of Full Scale Per Year
Storage Temperature
- -54° to 120° C (-65.2° to 248° F)
Temperature Coefficient
- Sensitivity: < ± 0.009 % to < ± 0.1 % of Full Scale
Temperature Effect
- ± 0.1 (± 0.09) - Thermal Coefficient Sensitivity
Thermal Drift
- ± 0.18 % of Full Scale/°C 50° C (122° F) - Thermal Zero Shift (barometric)
- ± 0.2 % of Full Scale / 38° C (100° F) - Thermal Zero Shift (barometric)
Update Time
- < ± 0.04 % of Full Scale Shift after 20 minutes at Constant Temperature - Long Term
Vibration
- 2 G, 5 to 500 Hz