Product Number BE-A201
Part Number BE-A201
Detectable air gap 0.8 mm 0.032 in or more
(Note) Sensing air gap refers to the width of an air bubble formed in the entire area of the inner diameter of the tube.
Please note that this product cannot sense very small air bubbles or water drops.
Sensing object Liquid
(Note) Sensing is affected by dirt or residues adhered to the inner wall of the tube. Please maintain the tube regularly.
Applicable tube dia. (OD×ID) ø2 mm × ø1 mm
ø0.078 in × ø0.039 in
(Note) When using a tube out of specifications or it doesn't have a smooth surface, please test sensing on the actual machine before use.
Applicable tube type Transparent resin tube (equivalent to PFA)
(Note) When using a tube out of specifications or it doesn't have a smooth surface, please test sensing on the actual machine before use.
Supply voltage 5 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output (Incorporated with 2 outputs) NPN open-collector transistor
•Maximum sink current: 50 mA
•Applied voltage: 30 V DC or less (between output and 0 V)
•Residual voltage: 2 V or less (sink current at 50 mA) 1 V or less (sink current at 16 mA)
Output (Incorporated with 2 outputs):Output operation Switchable either Liquid-absent-ON or Liquid-present-ON

Product Number BE-A201
Part Number BE-A201
Detectable air gap 0.8 mm 0.032 in or more
(Note) Sensing air gap refers to the width of an air bubble formed in the entire area of the inner diameter of the tube.
Please note that this product cannot sense very small air bubbles or water drops.
Sensing object Liquid
(Note) Sensing is affected by dirt or residues adhered to the inner wall of the tube. Please maintain the tube regularly.
Applicable tube dia. (OD×ID) ø2 mm × ø1 mm
ø0.078 in × ø0.039 in
(Note) When using a tube out of specifications or it doesn't have a smooth surface, please test sensing on the actual machine before use.
Applicable tube type Transparent resin tube (equivalent to PFA)
(Note) When using a tube out of specifications or it doesn't have a smooth surface, please test sensing on the actual machine before use.
Supply voltage 5 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output (Incorporated with 2 outputs) NPN open-collector transistor
•Maximum sink current: 50 mA
•Applied voltage: 30 V DC or less (between output and 0 V)
•Residual voltage: 2 V or less (sink current at 50 mA) 1 V or less (sink current at 16 mA)
Output (Incorporated with 2 outputs):Output operation Switchable either Liquid-absent-ON or Liquid-present-ON

Product Number BE-A201
Part Number BE-A201
Detectable air gap 0.8 mm 0.032 in or more
(Note) Sensing air gap refers to the width of an air bubble formed in the entire area of the inner diameter of the tube.
Please note that this product cannot sense very small air bubbles or water drops.
Sensing object Liquid
(Note) Sensing is affected by dirt or residues adhered to the inner wall of the tube. Please maintain the tube regularly.
Applicable tube dia. (OD×ID) ø2 mm × ø1 mm
ø0.078 in × ø0.039 in
(Note) When using a tube out of specifications or it doesn't have a smooth surface, please test sensing on the actual machine before use.
Applicable tube type Transparent resin tube (equivalent to PFA)
(Note) When using a tube out of specifications or it doesn't have a smooth surface, please test sensing on the actual machine before use.
Supply voltage 5 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output (Incorporated with 2 outputs) NPN open-collector transistor
•Maximum sink current: 50 mA
•Applied voltage: 30 V DC or less (between output and 0 V)
•Residual voltage: 2 V or less (sink current at 50 mA) 1 V or less (sink current at 16 mA)
Output (Incorporated with 2 outputs):Output operation Switchable either Liquid-absent-ON or Liquid-present-ON

Product Number BE-A201
Part Number BE-A201
Detectable air gap 0.8 mm 0.032 in or more
(Note) Sensing air gap refers to the width of an air bubble formed in the entire area of the inner diameter of the tube.
Please note that this product cannot sense very small air bubbles or water drops.
Sensing object Liquid
(Note) Sensing is affected by dirt or residues adhered to the inner wall of the tube. Please maintain the tube regularly.
Applicable tube dia. (OD×ID) ø2 mm × ø1 mm
ø0.078 in × ø0.039 in
(Note) When using a tube out of specifications or it doesn't have a smooth surface, please test sensing on the actual machine before use.
Applicable tube type Transparent resin tube (equivalent to PFA)
(Note) When using a tube out of specifications or it doesn't have a smooth surface, please test sensing on the actual machine before use.
Supply voltage 5 to 24 V DC ±10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output (Incorporated with 2 outputs) NPN open-collector transistor
•Maximum sink current: 50 mA
•Applied voltage: 30 V DC or less (between output and 0 V)
•Residual voltage: 2 V or less (sink current at 50 mA) 1 V or less (sink current at 16 mA)
Output (Incorporated with 2 outputs):Output operation Switchable either Liquid-absent-ON or Liquid-present-ON

Sensing object Agent, such as Water, Sulfuric acid, Hydrochloric acid, Phosphoric acid or Ammonia etc.
Note : Highly viscous liquid may not be detected stably.
Note : The agents mentioned above are examples. For details, please contact our office.
Note : PVC mounting bracket may not be used depending on type or viscosity etc. of the agent. For details, please contact our office.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.0 V or less (at 50 mA sink current), 0.4 V or less (at 24 mA sink current)
Output:Output operation In normal state: ON, When leak detected or the sensor is mounted improperly: OFF

Sensing object Agent, such as Water, Sulfuric acid, Hydrochloric acid, Phosphoric acid or Ammonia etc.
Note : Highly viscous liquid may not be detected stably.
Note : The agents mentioned above are examples. For details, please contact our office.
Note : PVC mounting bracket may not be used depending on type or viscosity etc. of the agent. For details, please contact our office.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.0 V or less (at 50 mA sink current), 0.4 V or less (at 25 mA sink current)
Output:Output operation In normal state: ON, When leak detected or the sensor is mounted improperly: OFF

Sensing object Agent, such as Water, Sulfuric acid, Hydrochloric acid, Phosphoric acid or Ammonia etc.
Note : Highly viscous liquid may not be detected stably.
Note : The agents mentioned above are examples. For details, please contact our office.
Note : PVC mounting bracket may not be used depending on type or viscosity etc. of the agent. For details, please contact our office.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.0 V or less (at 50 mA sink current), 0.4 V or less (at 16 mA sink current)
Output:Output operation In normal state: ON, When leak detected or the sensor is mounted improperly: OFF

Sensing object Agent, such as Water, Sulfuric acid, Hydrochloric acid, Phosphoric acid or Ammonia etc.
Note : Highly viscous liquid may not be detected stably.
Note : The agents mentioned above are examples. For details, please contact our office.
Note : PVC mounting bracket may not be used depending on type or viscosity etc. of the agent. For details, please contact our office.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.0 V or less (at 50 mA sink current), 0.4 V or less (at 20 mA sink current)
Output:Output operation In normal state: ON, When leak detected or the sensor is mounted improperly: OFF

Sensing object Agent, such as Water, Sulfuric acid, Hydrochloric acid, Phosphoric acid or Ammonia etc.
Note : Highly viscous liquid may not be detected stably.
Note : The agents mentioned above are examples. For details, please contact our office.
Note : PVC mounting bracket may not be used depending on type or viscosity etc. of the agent. For details, please contact our office.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.0 V or less (at 50 mA sink current), 0.4 V or less (at 17 mA sink current)
Output:Output operation In normal state: ON, When leak detected or the sensor is mounted improperly: OFF

Sensing object Agent, such as Water, Sulfuric acid, Hydrochloric acid, Phosphoric acid or Ammonia etc.
Note : Highly viscous liquid may not be detected stably.
Note : The agents mentioned above are examples. For details, please contact our office.
Note : PVC mounting bracket may not be used depending on type or viscosity etc. of the agent. For details, please contact our office.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.0 V or less (at 50 mA sink current), 0.4 V or less (at 18 mA sink current)
Output:Output operation In normal state: ON, When leak detected or the sensor is mounted improperly: OFF

Sensing object Agent, such as Water, Sulfuric acid, Hydrochloric acid, Phosphoric acid or Ammonia etc.
Note : Highly viscous liquid may not be detected stably.
Note : The agents mentioned above are examples. For details, please contact our office.
Note : PVC mounting bracket may not be used depending on type or viscosity etc. of the agent. For details, please contact our office.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.0 V or less (at 50 mA sink current), 0.4 V or less (at 22 mA sink current)
Output:Output operation In normal state: ON, When leak detected or the sensor is mounted improperly: OFF

Sensing object Agent, such as Water, Sulfuric acid, Hydrochloric acid, Phosphoric acid or Ammonia etc.
Note : Highly viscous liquid may not be detected stably.
Note : The agents mentioned above are examples. For details, please contact our office.
Note : PVC mounting bracket may not be used depending on type or viscosity etc. of the agent. For details, please contact our office.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption 15 mA or less
Output NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.0 V or less (at 50 mA sink current), 0.4 V or less (at 19 mA sink current)
Output:Output operation In normal state: ON, When leak detected or the sensor is mounted improperly: OFF

Sensing range 5 m 16.404 ft (without container or pipe)
(Note):The sensing range shortens depending on the thickness, material, color, etc., of the container or pipe.
Sensing object ø12 mm ø0.472 mm or more liquid which contains water, or opaque object
(Note):If there are two slit masks on both sides, the size of those slit masks represents the min. sensing object.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption Emitter: 25 mA or less, Receiver: 25 mA or less
Output NPN open-collector transistor
・Maximum sink current: 100 mA
・Applied voltage: 30 V DC or less (between output and 0 V)
・Residual voltage: 1.5 V or less (at 100 mA sink current)
0.4 V or less (at 16 mA sink current)
Output:Utilization category DC-12 or DC-13
Output:Output operation Switchable either Light-ON or Dark-ON
Output:Short-circuit protection Switchable either Light-ON or Dark-ON
Response time 12 ms or less

Material Fiber core: Acrylic
Sheath: Polyethylene
Fiber head: Polycarbonate
Lens: Polyalylate
Weight Net weight: 15 g approx.
Applicable amplifiers FZ-11, FZ-11P
Sensing range 14 to 24 mm 0.511 to 0.945 in
(Note) The sensing range of each fiber is the range for which white non-glossy paper can be detected at the sensitivity for which teaching has been done with a white non-glossy paper (50 x 50 mm 1.969 x 1.969 in ) at the respective rated setting distance and at the 16th grade of tolerance.
Setting distance 20 mm 0.787 in(fixed)
Spot diameter (at setting distance) dia. 5 mm dia. 0.197 in
Allowable bending radius R25 mm R0.984 in or more
(Note) If the fiber cable is bent at less than R25 mm R0.984 in or less, the detectability may deteriorate.
Fiber cable length 1 m 3.281 ft

Material Fiber core: Acrylic
Sheath: Polyethylene
Fiber head: Polycarbonate
Lens: Polyalylate
Weight Net weight: 15 g approx.
Applicable amplifiers FZ-11, FZ-11P
Sensing range 14 to 24 mm 0.511 to 0.945 in
(Note) The sensing range of each fiber is the range for which white non-glossy paper can be detected at the sensitivity for which teaching has been done with a white non-glossy paper (50 x 50 mm 1.969 x 1.969 in ) at the respective rated setting distance and at the 16th grade of tolerance.
Setting distance 20 mm 0.787 in(fixed)
Spot diameter (at setting distance) dia. 5 mm dia. 0.197 in
Allowable bending radius R25 mm R0.984 in or more
(Note) If the fiber cable is bent at less than R25 mm R0.984 in or less, the detectability may deteriorate.
Fiber cable length 1 m 3.281 ft

Material Fiber core: Acrylic
Sheath: Polyethylene
Fiber head: Polycarbonate
Lens: Polyalylate
Weight Net weight: 15 g approx.
Applicable amplifiers FZ-11, FZ-11P
Sensing range 14 to 24 mm 0.511 to 0.945 in
(Note) The sensing range of each fiber is the range for which white non-glossy paper can be detected at the sensitivity for which teaching has been done with a white non-glossy paper (50 x 50 mm 1.969 x 1.969 in ) at the respective rated setting distance and at the 16th grade of tolerance.
Setting distance 20 mm 0.787 in(fixed)
Spot diameter (at setting distance) dia. 5 mm dia. 0.197 in
Allowable bending radius R25 mm R0.984 in or more
(Note) If the fiber cable is bent at less than R25 mm R0.984 in or less, the detectability may deteriorate.
Fiber cable length 1 m 3.281 ft

CE marking directive compliance EMC Directive, RoHS Directive
Applicable fibers FD-L51, FD-L52, FD-L53, FD-L54
Supply voltage 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less
Current consumption 45 mA or less
Sensing object Opaque or translucent object larger than the spot diameter of the applicable fiber
(Note) Make sure to confirm detection with an actual sensor before use.
Output NPN open-collector transistor
- Maximum sink current: 100 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1 V or less (at 100 mA sink current), 0.4 V or less (at 16 mA sink current)
Output:Utilization category DC-12 or DC-13
Output:Output operation Switchable either Coincident-ON or Incoincident-ON

Regulatory compliance EMC Directive, RoHS Directive
Sensing range 10 ± 3 mm 0.394 ± 0.118 in
Spot size 1 x 5 mm 0.039 x 0.197 in (at 10 mm 0.394 in setting distance)
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption Normal mode: 750 mW or less(Current consumption 30 mA or less at 24 V supply voltage)
ECO mode: 600 mW or less(Current consumption 25 mA or less at 24 V supply voltage)
Output 1(OUT) NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.5 V or less (at 50 mA sink current)

Regulatory compliance EMC Directive, RoHS Directive
Sensing range 10 ± 3 mm 0.394 ± 0.118 in
Spot size 1 x 5 mm 0.039 x 0.197 in (at 10 mm 0.394 in setting distance)
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption Normal mode: 750 mW or less(Current consumption 30 mA or less at 24 V supply voltage)
ECO mode: 600 mW or less(Current consumption 25 mA or less at 24 V supply voltage)
Output 1(OUT) NPN open-collector transistor
- Maximum sink current: 50 mA
- Applied voltage: 30 V DC or less (between output and 0 V)
- Residual voltage: 1.5 V or less (at 50 mA sink current)

Sensing object Water (Standard liquid)
(Note 1) Highly viscous liquid may not be stably detected.
(Note 2) The agents mentioned above are examples. It may not be detected depending on viscosity the agent. Before using this device, check the detecting liquid and installation condition.
Power voltage 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less
Current consumption 30 mA or less
Utilization category DC-12, DC-13
Detection output(Leakage detection) PNP open-collector transistor
- Maximum source current: 50 mA
- Applied voltage: Same as the supply voltage (between detection output and +V)
- Residual voltage: 2.5 V or less (at 50 mA source current)
Detection output(Leakage detection):Response time 10 ms or less
Detection output(Leakage detection):Output operation ON when normal condition or initial detection, OFF when detection leakage or wrong installation

Sensing object Water (Standard liquid)
(Note 1) Highly viscous liquid may not be stably detected.
(Note 2) The agents mentioned above are examples. It may not be detected depending on viscosity the agent. Before using this device, check the detecting liquid and installation condition.
Power voltage 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less
Current consumption 30 mA or less
Utilization category DC-12, DC-13
Detection output(Leakage detection) PNP open-collector transistor
- Maximum source current: 50 mA
- Applied voltage: Same as the supply voltage (between detection output and +V)
- Residual voltage: 2.5 V or less (at 50 mA source current)
Detection output(Leakage detection):Response time 10 ms or less
Detection output(Leakage detection):Output operation ON when normal condition or initial detection, OFF when detection leakage or wrong installation

Sensing object Water (Standard liquid)
(Note 1) Highly viscous liquid may not be stably detected.
(Note 2) The agents mentioned above are examples. It may not be detected depending on viscosity the agent. Before using this device, check the detecting liquid and installation condition.
Power voltage 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less
Current consumption 30 mA or less
Utilization category DC-12, DC-13
Detection output(Leakage detection) PNP open-collector transistor
- Maximum source current: 50 mA
- Applied voltage: Same as the supply voltage (between detection output and +V)
- Residual voltage: 2.5 V or less (at 50 mA source current)
Detection output(Leakage detection):Response time 10 ms or less
Detection output(Leakage detection):Output operation ON when normal condition or initial detection, OFF when detection leakage or wrong installation

Sensing object Water (Standard liquid)
(Note 1) Highly viscous liquid may not be stably detected.
(Note 2) The agents mentioned above are examples. It may not be detected depending on viscosity the agent. Before using this device, check the detecting liquid and installation condition.
Power voltage 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less
Current consumption 30 mA or less
Utilization category DC-12, DC-13
Detection output(Leakage detection) PNP open-collector transistor
- Maximum source current: 50 mA
- Applied voltage: Same as the supply voltage (between detection output and +V)
- Residual voltage: 2.5 V or less (at 50 mA source current)
Detection output(Leakage detection):Response time 10 ms or less
Detection output(Leakage detection):Output operation ON when normal condition or initial detection, OFF when detection leakage or wrong installation