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89C Media Isolated mV Output Pressure Sensor
Brand: American Sensor Technologies IncThe 89 compensated is a small profile, media compatible, piezoresistive silicon pressure sensor packaged in a 316L stainless steel housing.
The 89 compensated features 5/16"- 32 UNEF threads and can be welded in place. It can also be packaged in a variety of threaded fittings such as 1/4" and 1/8" NPT, 1/4" BSP as well as custom process fittings. The 89 compensated is designed for high pressure OEM applications where compatibility with corrosive media is required.
The sensing package utilizes silicon 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 compensated 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%.
Features- Threaded Process Fittings or O-Ring Mount
- -40ºC to +125ºC Operating Temperature Range
- ±0.25% Pressure Non Linearity
- Solid State Reliability
Specifications
Accuracy
- ± 0.25 % of Span - Pressure Non-Linearity
Ambient Temperature Range
- 25° C (77° F)
Applications
- Hydraulic Controls
- Pressure Calibrators
- Process Control
- Refrigeration/Compressors
Approvals & Certifications
- RoHS
BSP Connection
- 1/4"-19 BSP
Compensated Temperature
- -20° to 85° C (-4° to 185° F)
Electrical Connectors
- Ribbon Cable
- Solder Pads
Hysteresis
- ± 0.1 % of Span - Pressure Hysteresis
- ± 0.25 % of Span - Thermal Hysteresis: Zero, Span
Insulation Resistance
- 50 MΩ at 50 Vdc
Media
- Liquids & Gases Compatible with 316, 316L Stainless Steel
Mounting
- O-Ring
NPT Connection
- 1/4"-18 NPT
- 1/8"-27 NPT
Operating Temperature - Sensor
- -40° to 125° C (-40° to 257° F)
Output
- ± 1.0 mV - Zero Pressure Output
Output Load
- 5 MΩ - Output Load Resistance
Pressure Range
- psi: 0 to 10,000 (kPa: 0 to 69,000, bar: 0 to 690)
Pressure Type
- Absolute
- Sealed Gauge
Resistance
- 3,000 to 5,000 ohms - Input Resistance
- 4,000 to 6,000 ohms - Output Resistance
Sensor, Probe Material
- 316L Stainless Steel
Sensor, Probe Type
- Piezoresistive Silicon
Stability
- ± 0.1 % of Span/Year - Long Term Stability (Zero, Span)
Storage Temperature
- -40° to 125° C (-40° to 257° F)
Temperature Effect
- ± 0.75 % of Span - Temperature Error - Span, Zero
UNF/UNC Connection
- 5/16"-32 UNEF