DK-GF18 Series DC Diffuse Reflection Photoelectric Sensors

Name: DK-GF18 Series DC Diffuse Reflection Photoelectric Sensors
Brand: DADISICK
SKU: 18588081
Rating: 4.75 (10 reviews)

Model: DK-GF18 Series / DC Diffuse (12 models)

Item specifics

Series: DK-GF18 Series

Specification group: DC 3-wire / 4-wire Diffuse Reflection

Part numbers in group: 12

Sensing distance: 30-500 / 30-1500 mm adjustable

Light source: 850 nm infrared

Operating voltage: 10-30 V DC

Output options: NPN / PNP, NO / NC / NO+NC

Protection level: IP55

Housing: 50 x 50 x 18 mm, ABS

Response time: 5 ms

Connection: Ø6.5 mm 2 m PVC cable

Weight: About 93 g

Certification: CE, RoHS

Review

Description

DADISICK · DK-GF18 Series · Group A

DC Diffuse Reflection Photoelectric Sensors

DC 3-wire and 4-wire diffuse reflection sensors with adjustable 30-500 mm and 30-1500 mm sensing distances. 12 orderable part numbers covering NPN and PNP outputs in NO, NC and NO+NC configurations.

12 part numbers
30-500 / 30-1500 mm
10-30 V DC
NPN / PNP
IP55
CE · RoHS

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DK-GF18 series DC diffuse reflection photoelectric sensor with mounting bracket — DK-GF18 square housing, red LED indication and 2 m PVC cable.

Orderable models in this group

This group contains 12 orderable part number(s). Choose the output type and sensing distance you need, then quote the exact part number from the table below.

Part number	Output	Wires	Sensing distance
DK-GF18-50NO-ZAA	NPN NO	3-wire	30-500 mm
DK-GF18-50NC-ZAA	NPN NC	3-wire	30-500 mm
DK-GF18-50PO-ZAA	PNP NO	3-wire	30-500 mm
DK-GF18-50PC-ZAA	PNP NC	3-wire	30-500 mm
DK-GF18-50NS-ZAA	NPN NO + NC	4-wire	30-500 mm
DK-GF18-50PS-ZAA	PNP NO + NC	4-wire	30-500 mm
DK-GF18-150NO-ZAA	NPN NO	3-wire	30-1500 mm
DK-GF18-150NC-ZAA	NPN NC	3-wire	30-1500 mm
DK-GF18-150PO-ZAA	PNP NO	3-wire	30-1500 mm
DK-GF18-150PC-ZAA	PNP NC	3-wire	30-1500 mm
DK-GF18-150NS-ZAA	NPN NO + NC	4-wire	30-1500 mm
DK-GF18-150PS-ZAA	PNP NO + NC	4-wire	30-1500 mm

Output codes: NO / NC / NS = NPN NO / NC / NO+NC; PO / PC / PS = PNP NO / NC / NO+NC; J = relay output. 3-wire models use one switched output, 4-wire models provide NO + NC, and relay models provide NO + NC contacts.

Technical parameters

Parameter	Value
Sensing distance	30-500 mm / 30-1500 mm, adjustable
Light source	850 nm infrared light
Standard detection object	200 x 200 mm white cardboard
Output options	DC 3-wire / 4-wire NPN or PNP, NO / NC / NO+NC
Operating voltage	10-30 V DC
No-load current	≤30 mA
Maximum load current	150 mA
Leakage current	<0.01 mA
Voltage drop	<1.5 V
Switching frequency	100 Hz
Response time	5 ms
Short-circuit protection	Yes
Overload protection point	300 mA
Switching hysteresis	<15% (Sr)
Repeat accuracy	<5% (Sr)
Protection level	IP55
Working temperature	0 °C to +55 °C
Connection method	Ø6.5 mm 2 m PVC cable, 3x0.33 mm² (3-wire) / 4x0.33 mm² (4-wire)
Housing	50 x 50 x 18 mm, ABS
Indicator	Red LED
Weight	About 93 g
Certification	CE, RoHS

Dimensions

DK-GF18 DC version dimension drawing 50 mm x 50 mm x 18 mm — 50 x 50 mm face, 33 mm body depth, 18 mm thickness and Ø5 mm cable entry.

DK-GF18 Series — Sensor with 2 m PVC cable; a reflective board is supplied with retro-reflective versions and a transmitter / receiver pair with through-beam versions.

Wiring

Wire colour	Function
Brown (1)	+10-30 V DC
Blue (3)	0 V
Black (2 / 4)	Switched output to load
White (2)	Second switched output on 4-wire models

Confirm the wiring against the label of the unit received before energising. Do not connect the output to a load exceeding the rated current.

Request a quote for this specification group

Tell us the exact part number from the model table, the target object and distance, your supply voltage, and the quantity. Our engineers will confirm the configuration and send a quotation. This is a general-purpose photoelectric sensor for object detection; it is not a safety-rated device and must not be used for personnel protection.

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