SSI,該系列變送器采用不銹鋼體隔離封裝,體積小巧,性價比高,量程從15Psi至3000Psi不等,可直接用于腐蝕及非腐蝕性介質(zhì)的表壓、絕壓測量，并保持高于0.5級的精度，廣泛用于工業(yè)、商業(yè)、汽車領(lǐng)域的產(chǎn)品應(yīng)用。
product desc-ription
ssi’s line of bulk micro-machined, absolute and gage pressure transducers and transmitters for both harsh and benign media with the superior accuracy of <±0.5% represents a significant cost savings over currently available pressure transducers . these compact, robust transducers measures from 15 psi to 3,000 psi and are well suited for a variety of automotive, industrial and commercial applications. ssi,a leading oem suppliers of automotive sensor…h(huán)aving delivered more than 100 million sensors to its customers, offers the mediasensors™ , targeted at industrial and commercial applications where cost, size, and performance are critical.
typical applications
●refrigeration ●pneumatics ●fuel cells
●compressors ●pumps ●flow
●hydraulics ●robotics ●process control
●agriculture ●spraying systems ●hydrogen storage
standard full scale pressure ranges
●15,50,75,100,200 and 300 psi
●500,750,1000,1500,2000,and 3000 psis
●15,50,75,100,200,300,500,750,1000,1500,2000 and 3000psia
■ improved accuracy
■ lower pressure ranges
■ m12 & mini din connectors
■ custom designs available
special features
●superb accuracy -<±0.5%
●robust package – all laser – welded stainless steel design for optimal media isolation
●maximum flexibility – custom asic provides signal conditioning for calibration and temperature compensation
●standard and custom options available
●compact size , excellent price/ performance ratio
●5 volt input with 0.5-4.5 volt output
● 8 –30 volt input with 4 – 20 ma &1 – 5 volt output
performance specifications(all values at 22℃ unless noted otherwise )
output type |
| 0.5 to 405 volts | 4-20ma | 1-5 volts |
accuracy | 75~3000 psi | <0.50%fs | <0.50%fs | <0.50%fs |
15~50 psi | <1.00% fs | <1.00%fs | <1.00% fs | |
thermal error (-40℃~105℃) | 75~3000 psi | <0.50%fs | <0.50%fs | <0.50%fs |
15~50 psi | <1.00% fs | <1.00% fs | <1.00% fs | |
total error | 75~3000 psi | <1.0% fs | <1.0% fs | <1.0% fs |
15~50 psi | <2.0% fs | <2.0% fs | <2.0% fs | |
stability (typical) |
| <0.25%/fs/year | <0.25%/fs/year | <0.25%/fs/year |
zero pressure offse² |
| 0.50v | 4.0ma | 1.0 v |
full scale output³ |
| 4.5v | 20ma | 5.0 v |
operating temperature |
| -40 to 105℃ | -40 to 105℃ | -40 to 105℃ |
storage temperature |
| -40 to 105℃ | -40 to 105℃ | -40 to 105℃ |
proof pressure |
| 3×fs | 3×fs | 3×fs |
burst pressure absolute pressure transducers |
| 10×fs or 15,000 psia (whichever is less) | 10×fs or 15,000 psia (whichever is less) | 10×fs or 15,000 psia (whichever is less) |
burst pressure gage sure transducers |
| 5×fs | 5×fs | 5×fs |
electrical specifications
output type | 0.5 to 405 volts | 4-20ma | 1-5 volts |
supply voltage | 5+/-0.5 | 8 to 30 volts | 8 to 30 volts |
supply current | <5 ma | not applicable | <5 ma |
output current | 0.45 ma max (sink or source) | not applicable | 0.45 ma max (sink or source) |
response time | < 1ms | < 1ms | < 1ms |
reverse polarity protection | n/a | yes | yes |
reliability and environmental performance
| test conditions | value | units |
wetted materials | 304l & 316l stainless steel | - | - |
pressure/temperature cycles4 | 0 to fs @ 8hz; and -40℃ to 105℃ | >1.8×106 | cycles |
thermal shock | 105℃ to -40℃,0.5 hr soak at temp.(2s transfer) | 250 | cycles |
vibration | 10 to 2050 hz, 20 sinusoidal, 3 axes | 144 | hours |
emc compatibility | 80 mhz-1 ghz | 100 | v/m |
humidity | 85℃ and 90% r.h to 95% r.h. | 250 | hours |
weight | model 51 with m12×1.56g 304l stainless port | ≤85 | grams |
1. includes hysteresis, repeatability and non-linearity (bfsl)
2. transducer output @ 0psia, or 0psig, or 0psis (consult factory for other options)
3. transducer output @ pressure range +14.5psia
4. pressure cycling performed at rated full pressure
limited warranty
all ssi products are warranted against defective materials and workmanship for a period of one (1) year form the date of delivery to the original purchaser. any product that is found to be defective within the one year period will be repaired at the discretion of ssi. this warranty is in lieu of all other warranties, express or implied, of merchantablity, fitness for a particular purpose, performance, or otherwise. ssi is not an expert in the customer’s technical field and therefore does not warrant the suitability of its products for the applications se-lected by the customer. ssi accepts no responsibility for misuse, misapplication or unauthorized modification of its products. ssi’s obligation under this limited warranty is strictly and exclusively limited to the repair or replacement free of charge of such products as are to be found to be defective in material or workmanship on the condition that purchaser gives prompt written notice to ssi of any claim to breach of warranty within the warranty period, and if requested, returns the defective product(s) to ssi. ssi will not assume any expenses or liability for repairs made to its products outside of its plant without its prior written consent. ssi reserves the right to satisfy its warranty obligation in full, with respect to defective products, by the payment to the purchaser of all sums paid by the purchaser to ssi for such products. in no event shall ssi be liable for claims (based upon breach or express or implied warranty, negligence or otherwise) for any damages, whether direct, immediate, incidental, forseeable, consequential, or special. ssi reserves the right to change its specifications at any time without notice.
