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壓力傳感器LPS,MPS和HPS是專為氫應(yīng)用(H2)使用而設(shè)計(jì)的,例如燃料電池,加油站和高壓罐。該產(chǎn)品系列包括三個(gè)版本,可測(cè)量高達(dá)6bar(LPS)和30bar(MPS)的壓力以及高達(dá)900bar(HPS)的高壓。因此,這些傳感器可以完美地完成固定式和移動(dòng)式氫氣系統(tǒng)以及儲(chǔ)罐中的所有測(cè)量任務(wù)。所有濕潤(rùn)材料的選擇均符合在氫應(yīng)用中使用的高標(biāo)準(zhǔn),因此傳感器可承受燃料電池和氫罐系統(tǒng)的苛刻環(huán)境條件,并在其整個(gè)使用壽命內(nèi)提供可靠,精確的測(cè)量結(jié)果。因此,H2壓力傳感器已通過EC79或HGV 3.1認(rèn)證。為了在系統(tǒng)中實(shí)現(xiàn)LPS的最佳集成,傳感器提供了差分模擬輸出和數(shù)字輸出(SENT/LIN)兩類方式的接口可供您選擇。
適用場(chǎng)合
H2的生產(chǎn)、使用和儲(chǔ)存系統(tǒng)
工業(yè)和汽車應(yīng)用
燃料電池
高壓罐,儲(chǔ)存和加注站,氫氣加注站
測(cè)量和測(cè)試技術(shù)應(yīng)用
產(chǎn)品特性
KEY FEATURES | BENEFITS |
Hydrogen pressure measurement up to 900 bar | · Robust for pressure ranges up to 900 bar |
· Mono-part sensing element without welded parts | |
High level of hydrogen compatibility | · Use of media-tested materials |
· Burst proof and high durability | |
· Freezing robust design | |
· Certified according to EC79 and HGV 3.1 | |
Numerous design versions available | · Analog output voltage and SENT and LIN output |
· Different mechanical connectors available (metric and UNF) | |
· High pressure sensor with cone seal |
Measurement range | |
Nominal pressure | 0…6 bar, absolute 1) (LPS) |
0…30 bar, relative 1) (MPS) | |
0…900 bar, relative 1) (HPS) | |
Overpressure | 2x nominal pressure (LPS,MPS), 1,050 bar (HPS) |
Bursting pressure | 3x nominal pressure (LPS,MPS), 1,750 bar (HPS) |
Electrical characteristics | |
Supply voltage | 5 ± 0.5 V (analog, SENT) |
9…18 V (LIN) | |
Supply current | typ. 10 mA |
Output signal | 0.5…4.5 V, ratiometric |
SENT | |
LIN 2.1 | |
Overvoltage protection | ± 30 V |
Reverse polarity | protection 2) ± 30 V |
Accuracy |
|
Total error(Standard version) | ± 1% FS (0…85°C) |
± 2% FS (-40…125°C) | |
Total error(High-precision version) | ± 0.5% FS |
Environmental conditions
Operating temperature range
-40…85°C (125°C)
Media temperature range
-50…85°C (125°C)
Media compatibility
Hydrogen, air, coolant
(DI-water, ethylene glycol)
ESD (DIN EN 61000-4-2) 2)
± 8 kV to contacts
± 15 kV to case
EMV (ISO 11452) 2)