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For RIKEN OPTECH RFG425 Series 20 mm Resolution 20 m Sensing Distance 1540 mm to 2420 mm Protective Height Extended Light Curtain Replacement

group name: RIKEN OPTECH Safety Light Curtains Replacement

Min Order: 1 piece

brand name: DADISICK

model: RFG425 Series | RFG425-1580FL1, RFG425-1740FL1, RFG425-1900FL1, RFG425-2060FL1, RFG425-2260FL1, RFG425-2460FL1

Delivery clauses under the trade mode: CIP

Acceptable payment methods: T/T

update time: Fri, 05 Dec 2025 22:21:00 GMT

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Paramtents

Series: RFG425 Series
Resolution: 20 mm
Scanning range: 0.3 - 20 m
Protective field height: 1540 - 2420 mm
2 Safety outputs (OSSD): 2 PNP
Response time: 10 - 21 ms
Connection type: M12
security level: PLe4

Packging & Delivery

Min Order1 piece

Briefing

DADISICK is a professional manufacturer of safety sensors with solid product manufacturing capabilities.

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Technical Data

Wiring Diagrams/Dimensional Drawings

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For RIKEN OPTECH RFG425 Series 20 mm Resolution 20 m Sensing Distance 1540 mm to 2420 mm Protective Height Extended Light Curtain Replacement Parameter

Brand	From network	DADISICK
Models	RFG425-1580FL1	QMT78-20-1540 2BE
	RFG425-1740FL1	QMT86-20-1700 2BE
	RFG425-1900FL1	QMT94-20-1860 2BE
	RFG425-2060FL1	QMT102-20-2020 2BE
	RFG425-2260FL1	QMT112-20-2220 2BE
	RFG425-2460FL1	QMT122-20-2420 2BE
Beam spacing	20 mm	20 mm
Protected altitude	1540 mm, 1700 mm, 1860 mm, 2020 mm, 2220 mm, 2420 mm	1540 mm, 1700 mm, 1860 mm, 2020 mm, 2220 mm, 2420 mm
Scanning range	0.3 - 20 m	0.3 - 20 m
Response time	10 ms - 21 ms	≤15 ms
Output method	2 PNP	2 PNP
Reliability and durability	IP65	IP65
Connector	M12	M16
Housing cross-section	32 mm x 38 mm	51 mm x 35 mm
Safety Certificate	CE, ＵL	TÜV, UL, CE, RoHS, GB
We are able to reproduce the specific connection configuration of each brand with high level of accuracy.

Product model display instructions

The brands and specifications shown on this page are for product selection only. Our safety light curtain is a safety part made by DADISICK, not official brand RIKEN OPTECH's products. DAIDSICK offer replacement for official brand products. We are not the owner of the brands. If you need to buy official brand products, please contact the brand official representative.

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Model：

QMT78-20-1540 2BE, QMT86-20-1700 2BE, QMT94-20-1860 2BE

QMT102-20-2020 2BE, QMT112-20-2220 2BE, QMT122-20-2420 2BE

Data sheet download

FAQ

Q：what is the difference between a level 2 safety light curtain and lever 4 safety light curtain ？

A：

Level 2 safety light curtains have the following characteristics:

1. Low cost: Level 2 safety light curtains are generally affordable compared to higher level light curtains.

2. Performance: Level 2 light curtains typically utilize a single CPU processor for their operation.

3. Dual safety channel outputs: They provide two separate output channels for enhanced safety redundancy and reliability4. Self-diagnosis or external periodic testing: Level 2 light curtains can perform self-diagnosis or be externally tested at regular intervals to check for any faults or malfunctions.

5. Fault exclusion method for safety performance: These light curtains employ fault exclusion techniques to ensure that they maintain their safety performance even in the presence of potential faults or failures.

6. Application range: Level 2 safety light curtains are suitable for use in situations or machines where the risk of injury is moderate or low. They are commonly used in automated production equipment, material handling devices, and similar applications.

Level 4 safety light curtains have the following characteristics:

1. Higher cost: Level 4 safety light curtains are generally more expensive compared to lower level light curtains due to their advanced features and performance.

2. Performance: Level 4 light curtains typically utilize dual CPU processors for increased processing power and reliability.

3. Dual safety channel outputs: Similar to level 2 light curtains, they provide two separate output channels for enhanced safety redundancy and reliability.

4. More reliable control, less susceptible to interference: Level 4 light curtains are designed to be less affected by ambient light or other sources of interference, ensuring more reliable operation.

5. Self-diagnosis and advanced fault detection: They incorporate self-diagnosis capabilities for fault checking and may have additional features such as higher-level redundant fault cross-checking.

6. Application range: Level 4 safety light curtains are suitable for use in high-risk environments or machines where the potential for serious injury is greater. They provide effective protection for dangerous areas.

Disclaimers

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