Suffix code

Model Code Information
PR Round type photosensor
method and
distance Sensing
T 10     10m Through-beam
M 1     1m Through-beam
2     2m
R 300     300mm Diffuse-reflective
Output N   NPN open collector output
P   PNP open collector output
material P Plastic case
C Brass case


Sensing method Through beam type Diffuse reflection type Diffuse reflection type
Model Brass case PR-T10NC PR-T10PC PR-M1NC
Plastic PR-T10NP PR-T10PP PR-M1NP
Sensing Distance 10 m 1 m 2 m 300 mm
Sensing Object min Ø10 mm (opaque above)

min Ø25 mm (opaque above)

200 x 200 mm
(white non-glossy paper)
Hysteresis - - Less than ±20 % of the sensing range
Response Time max 1.5 ㎳
Power supply voltage 12 - 24 V DC ±10 %
Current Consumption Transmitter Max. 15 mA Max. 35 mA
Receiver Max. 20 mA
Light source
(wave length)
Infrared lightening LED ( 850 ㎜)
Adjusting Sensitivity Built-in Adjusting Sensitivity Volume (but, Through-Beam has only in the receiver)
Control Output
NPN Voltage Output, Loaded Voltage: below 30 V DC,
Loaded Current:below Max. 200 mA, Residual Voltage:below 1 V
Operation Mode By control line, Light ON/ Dark ON / Selecting Mode Switching
(but, Through-Beam has only in the receiver)
Operation Indicator
Operation Indicator (Red LED), Stability Indicator (Green LED)
(but, the transmitter (Red LED) of Through-Beam is Power Indicator)
Protection Circuit
Built-in Protection Circuit from reversed power supply
connection, Output Short-Circuit Overcurrent circuit protection
Operating Ambient temp. Operating: -10 ~ 60 °C, Storage: -25 ~ 70 °C (without freezing)
Operating Ambient Humidity 35 - 85 % R.H.
Operating Ambient Illumination Sunlight: below 10000 Lux, Incandescent lamp: below 3000 Lux
Protective structure IP 66 (IEC)
Vibration Resistance 10 ~ 55 Hz (cycle for 1 minute), double amplitude: 1.5 mm, in each direction X•Y•Z for 2 hours
Shock Resistance 500 ㎨, 3 times each in X, Y and Z directions
Dielectric Strength 500 V AC (at 50/60 Hz for 1 minute)
Insulation Resistance Above 20 MΩ (500 V DC)
Connection Method Code extended type 2 m, 4P (Emitter : 3P)
Acce ssories Individual - Reflector (Mirror 50 x 50) -
Screw driver for adjusting sensitivity, nuts, washers
(But, the nuts of Plastic Type are injection molding products. (except washers))