E2C-C20MA 3M

Separate Amplifier Proximity Sensor with Adjustment Potentiometer


Sensor Head, Unshielded, Cylinder type 40 dia., Sensing distance 20 mm, Pre-wired models

Sensing head size 40 dia.
Type Cylinder type Sensor Head、Unshielded
Sensing distance 20 mm

Item list of E2C / E2C-H

  • Ratings/Performance
Sensing head size40 dia.
TypeCylinder type Sensor Head、Unshielded
Sensing distance20 mm
Sensing objectFerrous metal (Sensitivity lowers with non-ferrous metals.)
Standard sensing objectIron 50 x 50 x 1 mm
Response frequency50 Hz
Ambient temperature (Operating)-25 to 70℃
Ambient temperature (Storage)-25 to 70℃
Ambient humidity (Operating)35 to 95%
Ambient humidity (Storage)35 to 95%
Temperature influence±15% max. of sensing distance at 23 ℃ in the temperature range of -25 to 70 ℃
Vibration resistanceDestruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistanceDestruction: 500 m/s**23 times each in X, Y and Z directions
Degree of protectionIEC: IP67
Company standard: Oil-proof
Connection methodPre-wired models (3 m)
WeightPackage: Approx. 300 g
MaterialCase: Brass
Sensing surface: ABS
Cable: Polyethylene
Clamping nuts: Brass nickel plating
Toothed washers: Iron zinc plating
Amplifier unit/sensor head of combinationE2C-AM4A, E2C-AK4A
  • Dimensions


  • Mutual interference

Mutual interference

A: 300 mm min., B: 200 mm min.

  • Effects of surrounding metals

Effects of surrounding metals

l: 25 mm min., dia. d: 120 mm min., D: 40 mm min., m: 60 mm min.

  • Characteristic chart

Sensing distance vs. size and material of sensing object

Sensing range


Separate Amplifier Proximity Sensor with Adjustment Potentiometer

E2C / E2C-H

about this Product