VR2LZ.1/-CN 差压发讯器
差发讯器主要用于管路滤油器，当液压系统工作时，滤油器中的滤芯因截系统中的污染物使滤芯逐渐堵塞，进出口油的压力产生压差（即滤芯压力损失）当压差值增大至发讯器调定值时，发讯器自动发出信号，指示系统操作人员应清洗或更换滤芯，确保系统安全运行。
压差发讯装置的基本作用是液压系统在工作过程中，油液中的杂质微粒被滤油器中滤芯所阻档，从而滤芯逐渐堵塞，产生进出
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HYDAC 306006 VR 0 A.0
HYDAC 316595 VR 0.2 UF.1
HYDAC 1272488 VR 0.2 UF.1 /-V
HYDAC 1283648 VR 0.6 C.0
HYDAC 1278129 VR 0.6 K.0
HYDAC 312697 VR 1 C.1
HYDAC 1260980 VR 1 D.0 /-L24
HYDAC 315891 VR 1 UE.0
HYDAC 1260234 VR 1 UE.0 /-V
HYDAC 1250538 VR 16 E.0
HYDAC 1265584 VR 16 E.0 /-V
HYDAC 1270931 VR 16 ES.0
HYDAC 1286805 VR 2 B.0 /-2GC-SO174
HYDAC 306822 VR 2 B.1
HYDAC 1283424 VR 2 B.1 /-2GC
HYDAC 1289398 VR 2 B.1 /-2GC-SO224
HYDAC 1289982 VR 2 B.1 /-2GC-V-SO224
HYDAC 306830 VR 2 B.1 /-V
HYDAC 1291907 VR 2 BM.1 /-2GC
HYDAC 1292641 VR 2 BM.1 /-2GC-V
HYDAC 1273734 VR 2 BM.1 /-V
HYDAC 1285428 VR 2 C.0 /-CSA
HYDAC 1260158 VR 2 C.0 /-EX2G
HYDAC 306823 VR 2 C.1
HYDAC 1282882 VR 2 C.1 /-2GBC
HYDAC 306831 VR 2 C.1 /-V
HYDAC 311934 VR 2 D.1 /-L110
HYDAC 306824 VR 2 D.1 /-L220
HYDAC 306825 VR 2 D.1 /-L24
HYDAC 304438 VR 2 D.1 /-L48
HYDAC 312364 VR 2 D.1 /-LED
HYDAC 317460 VR 2 D.1 /-V-L110
HYDAC 306832 VR 2 D.1 /-V-L220
HYDAC 715639 VR 2 D.1 /-V-L24
HYDAC 1250169 VR 2 D.1 /-V-L48
HYDAC 307867 VR 2 D.1 /-V-LED
HYDAC 306827 VR 2 E.0
HYDAC 1285268 VR 2 E.0 /-2GB
HYDAC 306835 VR 2 E.0 /-V
HYDAC 306828 VR 2 ES.0
HYDAC 1296399 VR 2 ES.0 /-2GB
HYDAC 306836 VR 2 ES.0 /-V
HYDAC 306829 VR 2 F.0
HYDAC 1268584 VR 2 F.0 /-30C
HYDAC 1276887 VR 2 F.0 /-OE
HYDAC 306837 VR 2 F.0 /-V
HYDAC 1290482 VR 2 FD.0 /-2M0
HYDAC 1298107 VR 2 FD.0 /-2M0-OE
HYDAC 1285340 VR 2 FD.0 /-2M15
HYDAC 1265050 VR 2 GC.0 /-113
HYDAC 1265479 VR 2 GC.0 /-113-LED
HYDAC 1266625 VR 2 GC.0 /-113-LED-SQ
HYDAC 1274962 VR 2 GC.0 /-113-SP
HYDAC 1267869 VR 2 GC.0 /-123-LED
HYDAC 1273957 VR 2 GC.0 /-123-LED-SQ
HYDAC 1273214 VR 2 GC.0 /-123-SQ
HYDAC 1265173 VR 2 GC.0 /-V-113
HYDAC 1268291 VR 2 GC.0 /-V-113-LED
HYDAC 1270327 VR 2 GC.0 /-V-113-LED-SP
HYDAC 1287318 VR 2 GC.0 /-V-123
HYDAC 1275071 VR 2 GC.0 /-V-123-SQ
HYDAC 304521 VR 2 LE.1
HYDAC 1267121 VR 2 LE.1 /-30C
HYDAC 1276398 VR 2 LE.1 /-30C-OE
HYDAC 1277465 VR 2 LE.1 /-L24-30C
HYDAC 304528 VR 2 LE.1 /-V
HYDAC 1276144 VR 2 LE.1 /-V-30C
HYDAC 304522 VR 2 LZ.1
HYDAC 1251370 VR 2 LZ.1 /-1GS
HYDAC 1264963 VR 2 LZ.1 /-AV
HYDAC 1265422 VR 2 LZ.1 /-BO
HYDAC 302967 VR 2 LZ.1 /-CN
HYDAC 304523 VR 2 LZ.1 /-DB
HYDAC 1270299 VR 2 LZ.1 /-DB-30C
HYDAC 1260948 VR 2 LZ.1 /-L24
HYDAC 304529 VR 2 LZ.1 /-V
HYDAC 305945 VR 2 LZ.1 /-V-CN
HYDAC 304530 VR 2 LZ.1 /-V-DB
HYDAC 307863 VR 2.5 B.1
HYDAC 1287832 VR 2.5 B.1 /-V
HYDAC 307593 VR 2.5 C.1
HYDAC 1298355 VR 2.5 D.1 /-L110
HYDAC 1294871 VR 2.5 D.1 /-L220
HYDAC 1261183 VR 2.5 D.1 /-L24
HYDAC 1252287 VR 2.5 D.1 /-LED
HYDAC 1296371 VR 2.5 FD.0 /-2M0
HYDAC 1270487 VR 2.5 LZ.1
HYDAC 1274302 VR 2.5 LZ.1 /-AV
HYDAC 1267758 VR 2.5 LZ.1 /-BO
HYDAC 1276540 VR 2.5 LZ.1 /-BO-LED
HYDAC 1266233 VR 2.5 LZ.1 /-CN
HYDAC 1271398 VR 2.5 LZ.1 /-D4C
HYDAC 1250617 VR 2.5 LZ.1 /-DB
HYDAC 1266928 VR 2.5 LZ.1 /-DB-30C
HYDAC 1292748 VR 2.5 LZ.1 /-V-CN
HYDAC 309017 VR 5 B.1
HYDAC 1264670 VR 5 B.1 /-V
HYDAC 1291166 VR 5 BM.1
HYDAC 303757 VR 5 C.1
HYDAC 317833 VR 5 C.1 /-V
HYDAC 304232 VR 5 D.1 /-L110
HYDAC 300651 VR 5 D.1 /-L220
HYDAC 315128 VR 5 D.1 /-L24
HYDAC 1250250 VR 5 D.1 /-LED
HYDAC 1260190 VR 5 D.1 /-V-L24
HYDAC 1260836 VR 5 F.0
HYDAC 317896 VR 5 LE.1
HYDAC 1265795 VR 5 LE.1 /-V
HYDAC 317427 VR 5 LZ.1
HYDAC 1262228 VR 5 LZ.1 /-CN
HYDAC 319015 VR 5 LZ.1 /-DB
HYDAC 315780 VRD 0.2 UF.1
HYDAC 1252252 VRD 0.2 UF.1 /-V
HYDAC 1292484 VRD 0.3 UC.0
HYDAC 1290390 VRD 0.3 UC.0 /-V
HYDAC 1291225 VRD 0.3 UF.1
HYDAC 1260634 VRD 0.6 K.0
HYDAC 315892 VRD 1 UE.0
HYDAC 1260998 VRD 1 UE.0 /-V
HYDAC 1250178 VRD 2 C.1
HYDAC 301108 VRD 2 E.0
HYDAC 31463