HK12PA Reflex Sensor with Background Suppression

These sensors detect distance by measuring angles. They are particularly good at recognizing objects in front of any background. The color, shape and surface characteristics of the object have practically no influence on sensor switching performance.

This product has been discontinued. Click here to access the innovative successor.

Features at a Glance

Electronic background suppression
Miniature design
Red light
Switching distance adjuster

Technical data

Optical Data
Range	120mm
Setting Range	18 ... 120mm
Switching Hysteresis	< 10%
Light Source	Red Light
Service Life (T = +25 °C)	100,000h
Max. Ambient Light	10,000Lux
Light Spot Diameter	see Table 1

Electrical Data
Supply Voltage	10 ... 30V DC
Current Consumption (Ub = 24 V)	< 25mA
Switching Frequency	1,300Hz
Response Time	385µs
Temperature Drift	< 5%
Temperature Range	-25 ... 60°C
Switching Output Voltage Drop	< 2.5V
PNP Switching Output/Switching Current	100mA
Short Circuit Protection	yes
Reverse Polarity Protection	yes
Overload Protection	yes
Protection Class	III

Mechanical Data
Setting Method	Potentiometer
Housing Material	Plastic
Full Encapsulation	yes
Degree of Protection	IP67
Connection	Cable; 4-wire
Cable length (L)	2m
Wire cross-section	0.14mm²
Weight	49g

Safety-relevant Data
MTTFd (EN ISO 13849-1)	2,024.96a

General Data
Scope of delivery	1 × operating instructions 1 × BEF-SET-01 mounting set 1 × initial start-up instructions 1 × sensor

Output
PNP NC, PNP NO	yes

Standards and certificates

Table 1
Detection Range	30 mm	75 mm	120 mm
Light Spot Diameter	4 mm	6 mm	10 mm

Connection Diagram

Switching Distance Deviation
Typical characteristic curve based on white, 90 % remission Sr = Switching Distance dSr = Switching Distance Change black 6 % remission grey 18 % remission