Photoelectric Cubic sensors QMRS Series

Datasensing QMRS Series

The QMRS Series delivers a high-performance family of miniature cubic photo-electric sensors, engineered for compact installation, fast response, and industrial reliability. With background-suppression optical mode, nominal range of ~200 mm, high switching speeds and selectable logic/output types, this series provides reliable detection even in challenging backgrounds, high throughput capability, and ease of integration in tight machine spaces.

Design & Functionality

• The series uses a miniature cubic housing (~40.6 × 21 × 13 mm), making it suitable for installation in highly confined locations or compact machine frames. 
• It features background-suppression optics with a nominal sensing distance of ~200 mm on a standard white target (Kodak 90% 200×200 mm). The minimum sensing (blind zone) is ~30 mm. 
• The sensor boasts high switching frequency (1 kHz) and high-speed response (~500 µs) — supporting fast moving targets and high-throughput automation. 
• Logic outputs are selectable for Light-On or Dark-On mode, and versions are available in NPN or PNP output types — providing integration flexibility. 
• Built with a housing rated IP67, solid PA66 material body, PMMA active head, and under protection against ambient light up to 10,000 lux sunlight — delivering robust industrial operation. 

Total Crossed Beams

(Here interpreted as ensuring consistent detection coverage rather than literal optical crossed beams.)

• The QMRS Series ensures a stable detection field even in background-rich environments (e.g., objects in front of conveyors, reflective or dark surfaces). This leads to fewer false triggers and higher repeatability in automated lines.
• Its high speed and compact form make it ideal for tight-space installation with consistent detection performance.

Beam Pitch Options

(Here interpreted as selectable sensing-distance/variant options rather than literal beam pitch.)

• Example model with nominal ~200 mm sensing distance (white target) in background suppression mode. 
• Variants include different connection types (M8 plug, pigtail cable) while maintaining the same nominal range and high performance. 
• These options allow designers to choose a QMRS variant suited to mounting constraints, connection type, logic requirement and speed — offering design flexibility.

Intrinsic Synchronism

• The electronics and sensing components are integrated within the housing — no external synchronisation modules are required — simplifying wiring and installation.
• The built-in potentiometer for sensitivity adjustment, LED indicators and the high-speed response further streamline commissioning and operation.

Operational Advantages

• Speed & responsiveness: With 1 kHz switching frequency and ~500 µs response time, the QMRS is well-suited for fast conveyors, sorting systems, and high-throughput automation.
• Compact integration: The tiny cubic housing (~40.6 × 21 × 13 mm) enables installation in spaces where conventional sensors cannot fit. 
• Background suppression performance: With a blind zone of ~30 mm and ability to detect objects in front of challenging backgrounds, the QMRS enhances detection reliability in complex scenarios.
• Versatile logic & connectivity: Selectable Light-On/Dark-On logic, NPN/PNP versions and M8 plug or cable connection choices support various automation architectures.
• Applications: Ideal for packaging frames, machine tool integration, conveyor object presence/absence detection, secondary automation modules and any installation requiring compact mounting, high speed, and reliable detection on variable backgrounds.