E2C
E2C
2
Specifications
Sensor Heads
Model E2C-CR5B E2C-CR8A
E2C-CR5B
E2C-X1A
E2C-C1A
E2C-
X1R5A
E2C-X2A E2C-X5A E2C-X10A E2C-
C20MA
Sensing object
Magnetic metals (Refer to
Engineering Data
for non-magnetic metals.)
Standard sensing
object
Iron:5x5x
1mm
Iron: 5 x 5
x1mm
Iron: 5 x 5
x1mm
Iron: 8 x 8
x1mm
Iron: 12 x
12 x 1 mm
Iron: 18 x
18 x 1 mm
Iron: 30 x
30 x 1 mm
Iron: 50 x
50 x 1 mm
Stable sensing range
(within rated
temperature range)
0to0.5mm 0to
0.8 mm
0to1mm 0to
1.5 mm
0to2mm 0to5mm 0to10mm 0to20mm
Safety sensing range
(0
!
Cto40
!
C)
0to0.7mm 0to
1.2 mm
0to
1.5 mm
0to2mm 0to
2.5 mm
0to7mm 0to15mm 0to28mm
Maximum operating
distance (at 23
!
C)
1.2 mm 1.8 mm 2mm 3mm 5mm 10 mm 18 mm 50 mm
Response frequency
(see note 1)
1kHz 800 Hz 350 Hz 100 Hz 50 Hz
Ambient temperature
Operating:
-- 1 0
!
Cto
55
!
C
Operating: --25
!
Cto70
!
C (with no icing)
Ambient humidity
Operating: 35% to 95%
Temperature
influence
"
25% max.
of the sens-
ing dis-
tance at
23
!
Cina
tempera-
ture range
of --10
!
C
and 55
!
C
"
15% max. of the sensing distance at 23
!
C in a temperature range of --25
!
C and 70
!
C
Vibration resistance
Malfunction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hrs each in X, Y, and Z directions
Shock resistance
Malfunction: 500 m/s
2
(approx. 50G) for 3 times each in X, Y, and Z directions
Enclosure rating
IEC IP64 IEC IP67
Cable length (see
note 2)
3-m
shielded
cable
3-m high-frequency coaxial cable (5 m
max.)
3-m high-frequency coaxial cable (10 m max.)
Weight (with 3-m
cable)
Approx.
10 g
Approx.
40 g
Approx.
45 g
Approx.
50 g
Approx.
60 g
Approx.
140 g
Approx.
270 g
Approx.
300 g
Material
Case
Stainless steel Brass
Sensing
surface
ABS resin
Cable
Polyethylene
Note:
1. Response frequencies are minimum values applicabletoDCsolid-state control output usedto measure standard sensing objects,
each separated from one another with a distance that is double the side dimension of the sensing object and located at a distance
that is half the maximum sensing distance.
2. The cablelengthvaries with the AmplifierUnitandSensorHeadincombination. Refertothe table on the next page. The character-
istic impedance of the coaxial cable is 50
#
.
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