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Quick Specs...
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Voltage and Current Output Models
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Gauge, Vacuum, and Compound Pressure Models
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General Purpose and Wash Down Enclosures
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High Proof Pressure Achieved by Thicker Diaphragm Construction
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Overview / Design Principle:
The intrinsically safe 12ET series pressure transducer features stability and toughness via its CVD and ASIC design coupled with a thicker diaphragm. The thicker diaphragm enables these transducer sensors to survive most pressure spikes caused by pump ripple, solenoid valves, etc. The 16ET Series, also intrinsically safe, extends the packaging options by providing an all welded stainless steel back end for demanding industrial applications. A modular design allows special ordering of fittings, electrical cables, etc. for OEM applications. The ASIC and CVD technology enables Gems to offer almost any output over any pressure range.
Applications:
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Off Highway Vehicles
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Natural Gas Equipment
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Semiconductor Processing
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Power Plants
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Refrigeration
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Robotics
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HVAC
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Specifications
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Input
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Pressure Range
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Vacuum to 400 bar (6000 psi)
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Proof Pressure
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4 x Full Scale (FS) (<1% FS Zero Shift)
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Burst Pressure
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>35 x FS <= 4 bar (60 psi);
>20 x FS <= 40 bar (600 psi);
>5 x FS <= 400 bar (6000 psi)
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Fatigue Life
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Designed for more than 100 million FS cycles
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Performance
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Supply Voltage Sensitivity
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0.01% FS/Volt
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Long Term Drift
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0.2% FS/year (non-cumulative)
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Accuracy
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0.5% FS typical (optional 0.15% FS)
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Thermal Error
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2.0% FS typical
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Compensated Temperatures
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-20°F to 80°F (-5°C to 180°C)
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Operating Temperatures
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-40°C to 125°C (-22°F to 260°F) for elec. codes A, B, C, 1
-20° to 80°C (-5° to 180°F) for elec. codes 2, D, G, 3
-20° to 50 °C (-5° to 125°F) for elec. code F temperatures > 100°C supply is limited to 24 Vdc.
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Zero Tolerance
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1% span
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Span Tolerance
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1% span
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Response Time
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0.5 ms
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Mechanical Configuration
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Pressure Port
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See ordering chart
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Wetted Parts
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17-4 PH Stainless Steel
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Electrical Connection
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See ordering chart
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Enclosure
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316 SS, 17-4 PH ss
IP65 for elec. codes A, B, C, D, G, 1, 2, 3
IP67 for elec. codes F
IP30 for elec. code "3" with flying leads
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Vibration
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70g, peak to peak sinusoidal, 5 to 2000 Hz
(Random Vibration: 20 to 200 Hz @ =20g Peak per MIL-STD.-810E Method 514.4)
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Acceleration
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100g steady acceleration in any direction 0.032% FS/g for 1 bar (15 psi) range decreasing logarithmically to 0.0007% FS/g for 400 bar (6000 psi) range
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Shock
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20g, 11 ms, per MIL-STD.810E
Method 516.4 Procedure I
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Approvals
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CE, ETL Intrinsically Safe for Class 1, Div. 1, Groups C & D (also available as BASEEFA ATEX intrinsically safe - contact factory for part numbers)
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Weight
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Approx. 100 grams (additional; cable 75 g/m)
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Voltage Output Units
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Output
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See ordering chart
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Supply Voltage (Vs)
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1.5 Vdc above span to 35 Vdc
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Min. Load Resistance
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(FS output / 2) K Ohms
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Current Output Units
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Output
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4-20 mA (2 wire)
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Supply Voltage (Vs)
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24 Vdc, (7-35 Vdc)
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Max. Loop Resistance
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(Vs-7) x 50 ohms
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