
BE-R particular use sensor
Liquid level detection
- Reliable detection of liquids with a thru-beam type
- No malfunctions caused by crystallization or corrosion
- Non-contact detection of fluid media
- Tanks can be exchanged without the need for re-adjusting the sensor
- PNP and NPN output types available
Specifications
Type | NPN output | PNP output |
---|---|---|
Model No. | BE-R1 | BE-R1-P |
Sensing range | 5m without container or pipe (the sensing range becomes shorter depending on the thickness, material, color, etc., of the container or pipe) | |
Sensing object | Min. ø12mm aqueous liquid or opaque object | |
Supply voltage | 12 to 24V DC ±10% including ripple max. 10% (P-P) | |
Current consumption | Emitter/receiver: max. 25mA | |
Output | NPN open-collector transistor
|
PNP open-collector transistor
|
Output operation | Light-ON or Dark-ON (switchable) | |
Short-circuit protection | Incorporated | |
Response time | Max. 12ms | |
Operation indicator | Orange LED on the receiver (lights up when the output is ON) | |
Stability indicator | Green LED on the receiver (lights up under stable light received condition or stable dark condition) | |
Power indicator | Orange LED on the emitter (lights up when the power is ON) | |
Sensitivity adjuster | Continuously variable adjuster | |
Pollution degree | 3 (industrial environment) | |
Degree of protection | IP67 (IEC) | |
Ambient temperature | 0 to +55°C (no dew condensation or icing allowed), storage: -30 to +70°C | |
Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH | |
Ambient light | Sunlight: 10,000ℓx at the light-receiving face, incandescent light: 3,000ℓx at the light-receiving face | |
EMC | EN 50081-2, EN 50082-2, EN 60947-5-2 | |
Emitting element | Infrared LED (modulated) | |
Material | Polycarbonate | |
Cable | 0.2mm2 3-core (emitter: 2-core) oil-resistant cab tire cable, 2m | |
Cable extension | Extension up to 100m is possible for both emitter and receiver with a cable with min 0.3 mm2 | |
Weight | Emitter: 45g approx., receiver: 50g approx. |
Applications

- Detection of the maximum level
- Detection of serum or plasma in a test tube
Downloads
Catalog
Name | Size | Date | Language |
---|---|---|---|
Sensors & Ionizer Solutions Catalog for Laboratory Automation | 4 MB | 01.05.2024 | English |
Solutions for Liquid Dispensing Processes. For Clinical Diagnostics Instruments. | 2 MB | 01.05.2024 | English |
Sensor Selection Guide for Packaging Industry | 15 MB | 12.07.2022 | English |
Data sheet
Name | Size | Date | Language |
---|---|---|---|
BE-R series: Photoelectric sensor for detection of liquids | 212 KB | 23.03.2022 | English |
Catálogo Resumen Sensores | 29 MB | 28.03.2024 | Spanish |
Raccolta Applicazioni Sensori | 24 KB | 08.04.2025 | Italian |
Shortform
Name | Size | Date | Language |
---|---|---|---|
Brochure "Focus Automazione" | 8 MB | 08.01.2025 | Italian |