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Home » Products » Inductive proximity switches (AC Type) » AC 2 Wire Proximity Switches

AC 2 Wire Proximity Switches

AC 2 Wire Proximity Switches
AC 2 Wire Proximity Switches
Product Code : M-22x65 FM & NFM
Brand Name : PARAS
Product Description

   Inductive Proximity  Switch

      Model No.--------------PE-IN-9-22-A1-65-NF

1.       SIZE                                                           :   M-22X65

2.       TYPE                                                          :   AC

3.       OUTPUT LOGIC                                       :   NO

4.       OPERATING VOLTAGE                           :   90-250 VAC

5.       MAX. LOAD CURRENT                           :   200 mAmp.

6.       SENSING DISTANCE                               :   9 mm for standard object size

7.       VOLTAGE DROP AT FULL LOAD           :   5-10 VAC

8.       NO LOAD CURRENT                               :   12 mAmp.

9.       SWITCHING FREQUENCY                      :   20 Hz.max.

10.   POSITION INDICATION                          :   LED

11.   CABLE                                                        :   2 core  PVC & PU mix,  Flexible

12.   H.V. TEST                                                  :   1.5 KV for 1 Sec.

13.   AMBIENT TEMP.                                     :    700 C

14.   ENCLOSURE                                             :    Nickel Platted Brass Tube

15.   PROBE SIZE                                              :    M-22X65

16.   MOUNTING                                             :    Non Flush Type

17.   PROTECTION GRADE                             :    IP-67

18.   APPROVALS                                             :    CE

19.   STANDARDOBJECT SIZE                        :     25X25X1 mm

WORKING PRINCIPAL

AN INDUCTIVE ALTERNATING r.f. FIELD IS DEVELOPED AT THE FRONT OF THE SENSING SURFACE OF THE PROXIMITY SWITCH. THIS FIELD IS GENERATED BY THE RESONANT CIRCUIT COIL OF THE OSCILLATOR.                      

ENERGY IS ABSORBED WHEN A METAL PIECE IS BROUGHT INTO THE r.f. FIELD NEAR THE SENSING SURFACE, CAUSING OSCILLATION TO STOP. HANCE THE DEMODULATED VOLTAGE FEEDING THE TRIGGER DISAPEARS.

FOR DC SWITCHES

THE TRIGGER OPERATES RAPIDLY WHEN OSCILLATION STOPS AND THIS TRIGGER SWITCHES THE OUTPUT TRANSISTER, WHICH CAN BE EITHER NPN OR PNP TO DRIVE AN ELECTRONIC CIRCUIT OR RELAY.

FOR AC SWITCHES

A THYRISTOR IS TRIGGERED WHEN OSCILLATION STOPS DUE TO THE PRESENCE OF METAL . THIS THYRISTOR IS CONNECTED IN SERIES WITH A BRIDGE AND THIS SERIES COMBINATION IS CONNECTED TO THE AC LOAD.

ADVANTAGES OF PROXIMITY SWITCHES

THESE SWITCHES CAN BE USED ANYWHERE WHERE EXTREME CONDITIONS EXIST, e.g.

1         WITH LUBRICANTS AND CUTTING OILS

2         UNDER VIBRATION

3         ENVIRONMENTS WHERE WATER AND STEAM ARE PRESENT

4         DUSTY ENVIRONMENTS, etc.

APPLICATIONS

INDUCTIVE PROXIMITY SWITCHES OR SENSORS ARE PRIMARILY USED WHEN THE OBJECT TO BE IS METALLIC, THAT IS INDUCTIVE PROXIMITY SWITCHES ARE USED TO DETECT THE POSITION OF METALS (ANY TYPE).  SOME APPLICATIONS OF INDUCTIVE PROXIMITY SWITCHES ARE –MACHINE TOOLS, TEXTILE,  SUGAR, CEMENT, AUTOMOBILE INDUSTRIES AND MANY MORE. 


PARASNATH ELECTRONICS PVT. LTD.

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