| Item | Specifications |
|---|---|
| Product Number | BE-A301 |
| Part Number | BE-A301 |
| 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) | ø3 mm × ø2 mm ø1/8 in × ø1/16 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 |
| Output (Incorporated with 2 outputs):Short-circuit protection | Incorporated |
| Response time:When detecting bubble | 20 μs or less (Note) Actual response time may differ from specification (typical example using applicable tube) due to dimension, light transmission or surface state of test tube in use. |
| Response time:When detecting liquid | 80 μs or less (Note) Actual response time may differ from specification (typical example using applicable tube) due to dimension, light transmission or surface state of test tube in use. |
| Operation indicator | Orange LED (lights up with absent liquid) |
| Protection circuits | Power supply reverse polarity protection , Output reverse polarity protection |
| Environmental resistance : Protection | IP40 (IEC) |
| Environmental resistance : Ambient temperature | -25 to +55 ℃ -13 to +131 ℉ (No dew condensation or icing allowed), Storage: -30 to +80 ℃ -22 to +176 ℉ (Note) Liquid being detected should also be kept within the rated ambient temperature range. |
| Environmental resistance : Ambient humidity | 35 to 85 % RH, Storage: 35 to 85 % RH |
| Environmental resistance : Ambient illuminance | Fluorescent light: 1,000 ℓx at the light-receiving face |
| Environmental resistance : Voltage withstandability | 1,000 V AC for between one min. between all supply terminals connected together and enclosure |
| Environmental resistance : Insulation resistance | 20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure |
| Environmental resistance : Vibration resistance | 10 to 150 Hz frequency, 0.75 mm 0.030 in double amplitude or maximum acceleration 49 m/s2, in X, Y and Z directions for two hours each |
| Environmental resistance : Shock resistance | 100 m/s2 acceleration in X, Y, and Z directions three times each |
| Emitter element | Infrared LED(Peak emission wavelength: 855 nm 0.034 mil, non-modulated) |
| Material | Enclosure: PBT, Tube holder: Polyamide, Indicator: Polycarbonate |
| Cable | 0.09 mm2 4-core cabtyre cable 1 m 3.280 ft |
| Cable extension | Extension up to total 100 m 328.084 ft is possible with 0.3 mm2, or more, cable. (Note)Confirm that the power supply voltage at the end of cable is more than 4.5 V when using an extension of over 20 m 65.167 ft. |
| Clamping torque | 0.5N•m or less |
| Weight | Net weight: 15 g approx., Gross weight: 25 g approx. |
| Compliant regulation | EMC Directive compliance, RoHS Directive compliance |