Constant Voltage
The 85 constant voltage is a small profile, media compatible, piezoresistive silicon pressure sensor packaged in a 316L stainless steel housing. The 85 constant voltage is offered in a weldable package or with a variety of threaded fittings such as 1/4 and 1/8NPT, 1/4BSP as well as custom process fittings. The 85 constant voltage is designed for 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 compensation and offset correction.
Please refer to the 85 uncompensated and compensated datasheets for more information on different features of the 85.
Details :
- 316L SS Pressure Sensor
- Small Profile
- 0 - 100mV Output
- Absolute and Gage
- Temperature Compensated
Features :
- Weldable and Threaded Process Fittings
- -40ºC to +125oC Operating Temperature
- Up to +0.1% Pressure Non Linearity
- Solid State Reliability
Applications :
- Medical Instruments
- Process Control
- Fresh & Waste Water Measurements
- Partial Vacuum Gas Measurement
- Pressure Transmitters
- Tank Level Systems (RV & Industrial)
Technical Specification :
| PARAMETERS | 005PSI | >015PSI | ||||||
|
| Min | Typ | Max | Min | Type | Max | Units | Notes |
| Span | 98 | 100 | 102 | 99 | 100 | 101 | mV |
|
| Zero Pressure Output | -20 | 0 | 2.0 | -1.0 | 0 | 1.0 | mV | 1 |
| Pressure Non Linearity | 0.20 |
| 0.20 | -0.10 |
| 0.10 | %Span | 2 |
| Pressure Hysteresis | -0.10 | +0.02 | 0.10 | 0.05 | +0.02 | 0.05 | %Span |
|
| Repeatability |
| +0.02 |
|
| +0.02 |
| %Span |
|
| Input Resistance | 5.5K | 9.0K | 12.5K | 5.5K | 9.0K | 12.5K | Ω |
|
| Output Resistance | 4.0K |
| 6.0K | 4.0K |
| 6.0K | Ω |
|
| Temperature Error - Span | -1.5 |
| 1.5 | -1.0 |
| 1.0 | %Span | 3 |
| Temperature Error - Offset | -2.5 |
| 2.5 | -1.0 |
| 1.0 | %Span | 3 |
| Thermal Hysteresis - Span | -0.25 | +0.5 | 0.25 | -0.25 | +0.05 | 0.25 | %Span | 3 |
| Thermal Hysteresis - Offset | -0.25 | +0.05 | 0.25 | -0.25 | +0.05 | 0.25 | %Span | 3 |
| Long Term Stability - Span |
| +0.10 |
|
| +0.10 |
| %Span/Year |
|
| Long Term Stability - Offset |
| +0.25 |
|
| +0.10 |
| %Span/Year |
|
| Supply Voltage |
| 10 | 14 |
| 10 | 14 | Vdc | 4 |
| Output Load Resistance | 5M |
|
| 5M |
|
| Ω | 5 |
| Insulation Resistance (50Vdc) | 50M |
|
| 50M |
|
| Ω | 6 |
| Output Noise (10Hz to 1KHz) |
| 1.0 |
|
| 10 |
| uV p-p |
|
| Response Time (10% to 90%) |
|
| 0.1 |
|
| 0.1 | ms |
|
| Pressure Overload |
|
| 3X |
|
| 3X | Rated |
|
| Pressure Burst |
|
| 4X |
|
| 4X | Rated | 7 |
| Compensated Temperature | 0 |
| +50 | -20 |
| +50 | oC | 8 |
| Operating Temperature | -20 |
| +70 | -40 |
| +70 | oC | 8 |
| Storage Temperature | -40 |
| +125 | -50 |
| +125 | oC | 8 |
| Media - Pressure Port | Liquids and Gases compatible with 316/316L Stainless Steel | |||||||
| Media - Reference Port | Compatible with Silicon, Pyrex, Gold, Fluorosilicone Rubber, and 316/316L Stainless Steel | |||||||