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82VC Media Isolated mV Output Pressure Sensor
Brand: American Sensor Technologies Inc
The 82 Vacuum Gauge is a 19 mm small profile, media compatible, piezoresistive silicon pressure sensor packaged in a 316L stainless steel housing.
The 82 vacuum gauge can be configured for O-ring mounting or threaded process fittings and is designed for OEM applications where compatibility with corrosive media is required.
The sensing package utilizes silicone oil to transfer pressure from the 316L stainless steel diaphragm to the sensing element. A ceramic substrate is attached to the package that contains laser-trimmed resistors for temperature compensation and offset correction.
An additional laser-trimmed resistor is included which can be used to adjust an external differential amplifier and provide span interchangeability to within ±1%. Please refer to the 82 uncompensated, compensated and constant voltage datasheets for more information on different features of the 82.
Features- O-Ring Mount/Threaded Process Fittings
- -40ºC to +125ºC Operating Temperature Range
- Up to ±0.1% Pressure Non Linearity
- 1.0% Interchangeable Span (provided by gain set resistor)
- Solid State Reliability
Specifications
Accuracy
- Up to ± 0.1 % Pressure Non-Linearity
Ambient Temperature Range
- 25° C (77° F)
Applications
- Fresh & Waste Water Measurements
- Medical Equipment
- Partial Vacuum Gas Measurement
- Pressure Transmitters
- Process Control
- Tank Level Systems (RV & Industrial)
Approvals & Certifications
- RoHS
Compensated Temperature
- -20° to 85° C (-4° to 185° F)
Enclosure, Body Material
- 316L Stainless Steel
Hysteresis
- ± 0.05 % of Span - Pressure Hysteresis
- ± 0.25 % of Span - Thermal Hysteresis: Span & Offset
Insulation Resistance
- 50 MΩ at 50 Vdc
Load Impedance
- 5 MΩ - Output Load Resistance
Media
- Liquids & Gases
Mounting
- O-Ring
Operating Temperature - Sensor
- -40° to 125° C (-40° to 257° F)
Output
- ± 1 mV - Zero Pressure Output
- 70 to 150 mV - Span Value
Output Noise
- 1 µV Peak-to-Peak - Output Noise (10 Hz to 1 kHz)
Power Requirement
- 1.5 mA - Supply Current
Pressure Range
- psiv: 0 to 500 (kPa: 0 to 3,447, bar: 0 to 34.47)
Pressure Type
- Vacuum Gage
Repeatability
- ± 0.02 % of Span
Resistance
- 2,000 to 5,800 ohms - Input Resistance
- 4,000 to 6,000 ohms - Output Resistance
Response Time
- 0.1 ms - Response Time (10 to 90 %)
Sensor, Probe Diameter
- 0.74" (19 mm) - Diameter Package
Span - Minimum
- 1 % - Interchangeable Span
Stability
- ± 0.10 % of Span/Year - Long Term Stability: Span & Offset
Storage Temperature
- -50° to 125° C (-58° to 257° F)
Temperature Effect
- ± 0.75 % of Span - Temperature Error - Span & Offset