| Sensing method |
Through-beam |
Retro-reflective
(without M.S.R. function) |
| Appearance |
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 |
| Indicators |
Operation indicator (orange), Stability indicator (green) |
| Protection circuits |
Power supply reverse polarity protection,
Output short-circuit protection |
Power supply and control output
reverse polarity 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 55Hz, 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/s2 for 0.5
hours each in X, Y, and Z directions |
Shock resistance
(destruction) |
500 m/s2 3 times each in X, Y, and Z directions |
1,000m/s2 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 |
| Materials |
Case |
SUS303 |
PBT (polybutylene terephthalate) |
| Display window |
Polysulfone |
Denatured polyarylate |
| Lens |
Polysulfone |
Methacrylc resin |
| Hexagonal nuts |
SUS303 |
— |
| Toothed washers |
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) |
