1-56 iso C standard model 84 316 ss pressure sensor 0-100 mv output gage, sealed gage and absolute temperature compensated low pressure t medical instruments t process control t oceanography t refrigeration/compressors t pressure transmitters t level systems features t o-ring mount t 0.25% pressure non-linearity t 1.0% temperature performance t 1.0% interchangeable span (provided by gain set resistor) t solid state reliability t low power standard ranges range psig psis psia 0 to 5 c 0 to 15 ccc 0 to 30 c c c 0 to 50 cc 0 to 100 c 0 to 300 c description the model 84 is a media compatible, compensated, piezoresistive silicon pressure sensor packaged in a 316 stainless steel housing. the sensing package utilizes silicone oil to transfer pressure from the 316 stainless steel diaphragm to the sensing element. the model 84 is designed for low pressure applications with integral temperature compensation provided from 0c to +50c and is intended to be secured in place with an o-ring. a ceramic substrate is included with the package that contains thick film resistors that are laser trimmed after temperature testing to provide temperature compensation and zero offset adjustment. an additional laser trimmed resistor on the substrate can be used to adjust sensitivity variations by setting the gain of an external differential amplifier to within +1% interchangeability. an uncompensated version is also available. alternatives include o-ring models 154 or 86, ? npt model 96, and flush mount models 83 and 85. high pressure sensors are also available. dimensions
316 ss pressure sensor model 84 iso C standard 1-57 april 2000 performance specifications supply current: 1.5ma ambient temperature: 25c (unless otherwise specified) notes 1. temperature range: 0-50c in reference to 25c. 2. for amplified output circuits, see application note tn003. 3. for model 84, compensation resistors are an integral part of the sensor package. no additional external resistors are required. model 84 is interchangeable to within 1% of the amplifier output span only when used with a gain stage as shown in application schematic. 4. measured at vacuum for absolute (a), ambient pressure for gage (g) and one standard atmosphere for sealed gage (s). 5. includes repeatability, pressure non-linearity (best fit straight line) and pressure hysteresis. 6. 20 psi for 5 psi version; 3x or 450 psi, whichever is less, for other versions. 7. o-ring dimensions: i.d. 0.614"x 0.070". 8. between case and sensing element. connections ordering information application schematic parameters min typ max units notes full scale output span 50 100 200 mv zero pressure output 1 5 mv 2, 3, 4 static accuracy 0.5 % span 5 input & output resistance 2500 6000 w temperature error - span 1.0 % span 1, 2, 3 temperature error - zero 1.0 % span 1, 2, 3 supply current 0.5 1.5 2.0 ma output load resistance 5 m w insulation resistance (50 vdc) 50 m w 8 pressure overload 3x rated 6 operating temperature C10 c to +80 c storage temperature C40 c to +125 c media compatible with 316 stainless steel weight 20 grams
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