Inductive Proximity Sensors are roughly classified into the following three types according to the operating principle: the high-frequency oscillation type using electromagnetic induction, the magnetic type using a magnet, and the capacitance type using the change in capacitance.
INDUCTIVE PROXIMITY SWITCH | ||||
Structural category | Angular column type | |||
Outward appearance code | LMF21 | |||
Appearance | | |||
Dimension | | |||
Flush | Detection distance | 4mm | ||
NPN | NO | 3004NA | ||
DC | NC | 3004NB | ||
6 | NO+NC | |||
～ | PNP | NO | 3004PA | |
36 | NC | 3004PB | ||
V | NO+NC | |||
two wire system | NO | 3004LA | ||
NC | ||||
AC | SRC Control label silicon | NO | ||
90 | NC | |||
～250 | NO+NC | |||
V | Relay output | |||
Non-flush | Detection distance | |||
NPN | NO | |||
NC | ||||
DC | NO+NC | |||
6 | PNP | NO | ||
～ | NC | |||
36 | NO+NC | |||
V | two wire system | NO | ||
NC | ||||
AC | SRC Control label silicon | NO | ||
90 | NC | |||
～250 | NO+NC | |||
V | Relay output | |||
Control output | DC | 200mA | ||
SCR/Relay | ||||
Output voltage dropDC/AC | DC < 2V , DC (Two wire system) < 3.9 | |||
Consumption current | DC < 15mA AC < 10mA | |||
Standard detected object | 12×12×1(A3 iron) | |||
Repeated precision | 0.05 | |||
DC/AC Response frequency | 500Hz/5Hz | |||
Working environment temperature | –25℃～70℃ | |||
Insulation resistance | 50MΩ | |||
Shell material | ABS Resin | |||
Protection grade | IEC standard IP67 | |||
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