Datasheet

E3T
6
* Values in parentheses indicate the minimum required distance between the Sensor and Reflector.
Sensing method Through-beam Retro-reflective (without M.S.R. function)
Appearance
Item
Cylindrical type (Top-view)
Cylindrical type (Side-view)
Rectangular type (Side-view)
NPN
output
Light-ON --- --- E3T-SR41
Dark-ON E3T-CT12 E3T-CT22S E3T-SR42
PNP
output
Light-ON --- --- E3T-SR43
Dark-ON E3T-CT14 E3T-CT24S E3T-SR44
Sensing distance 1 m 500 mm
200 mm [30 mm]
*
(Using the E39-R4)
100 mm [10 mm]
*
(Using the E39-R37-CA)
Standard sensing object Opaque, 4-mm dia. min. Opaque, 5-mm dia. min. Opaque, 27-mm dia. min.
Minimum detectable object
(reference value)
--- 2-mm dia. (Sensing distance 100 mm)
Hysteresis (white paper) ---
Black/white error ---
Directional angle Receiver: 2° Receiver: 10° 2° to 20°
Light source (wavelength) Red LED (630 nm) Red LED (625 nm) Red LED (650 nm)
Power supply voltage 12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current consumption 30 mA max. (Emitter 15 mA max., Receiver 15 mA max.) 20 mA max.
Control output
Load power supply voltage: 30 VDC max.
Load current: 80 mA max.
(residual voltage: 1 V max.)
Open-collector output
Load power supply voltage: 26.4 VDC max.
Load current: 50 mA max. (residual voltage: 2 V
max. for load current of 10 to 50 mA, 1 V max.
for load current of less than 10 mA)
Open-collector output
Protection circuits
Power supply reverse polarity protection,
Output short-circuit protection
Power supply and control output reverse polar-
ity protection, Output short-circuit protection,
Mutual interference prevention
Response time Operate or reset: 0.5 ms max. Operate or reset: 1 ms max.
Ambient illumination Incandescent lamp: 3,000 lx max.
Incandescent lamp: 5,000 lx max., Sunlight:
10,000 lx max.
Ambient temperature
range
Operating: −25 to 55°C
Storage: −30 to 70°C
(with no icing or condensation)
Operating: −25 to 55°C
Storage: −40 to 70°C
(with no icing or condensation)
Ambient humidity range Operating or Storage: 35% to 85% (with no condensation)
Operating: 35% to 85%
Storage: 35% to 95%
(with no condensation)
Insulation resistance 20 MΩ min. at 500 VDC
Dielectric strength AC500V, 50/60 Hz for 1 min. AC1,000V, 50/60 Hz for 1 min.
Vibration resistance
(destruction)
10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
10 to 2,000 Hz, 1.5-mm double amplitude or
300 m/s
2
for 0.5 hours each in X, Y, and Z direc-
tions
Shock resistance
(destruction)
500 m/s
2
3 times each in X, Y, and Z directions 1,000m/s
2
3 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP65 IEC 60529 IP67
Connection method Pre-wired (standard length: 2 m)
Weight (packed state) Approx. 60 g Approx. 20 g
Materi-
als
Case SUS303 PBT (polybutylene terephthalate)
Display window Polysulfone Denatured polyarylate
Lens Polysulfone Methacrylc resin
Hexagonal nuts SUS303 ---
Toothed wash-
ers
SUS303 ---
Accessories Instruction manual, Hexagonal nuts, Toothed washers
Instruction manual, Set screws for mounting
(M2×14), Nuts,
E39-R4 (E3T-SR4@ only),
E39-R37-CA (E3T-SR4@-S only)