A-140
BL Series
Features
Liquid Level Sensor for Mounting Pipe (Through-Beam)
● Detects liquid in a transparent/semitransparent pipe
diameter Ø6 to 13mm, thickness 1mm
● Compact size: W23×H14×L13mm
● Selectable Light ON/Dark ON operation mode
by operation mode switching button
● Easy to check operation status by operation mode indicator
[green LED (Light ON: on, Dark ON: o)],
operation indicator [red LED]
● Built-in reverse polarity protection circuit and
output short overcurrent protection circuit
● IP64 of protection structure (IEC standards)
Model
Model Pipe diameter Sensing type Power supply Control output
BL13-TDT Ø6 to 13mm Through-beam 12-24VDC ±10% NPN open collector output
BL13-TDT-P PNP open collector output
Specifications
Model
NPN open collector
output BL13-TDT
PNP open collector
output BL13-TDT-P
Sensing type Through-beam
Applicable pipe ●Using binding band: Ø6 to 13mm ●Using protection bracket: Ø12.7mm (1/2 inch)
transparent pipes in 1mm thicknes s (FEP (uoroplastic) or with equivalent transparency)
Standard sensing target Liquid in a pipe※1
Response time Max. 2ms
Power supply 12-24VDC ±10% (ripple P-P: max. 10%)
Current consumption Max. 30mA
Light source Infrared LED (950nm)
Operation mode Light ON/Dark ON operation mode switch button
Control output NPN or PNP open collector output
●Load voltage: max. 30VDC ●Load current: max. 100mA ●Residual voltage: max. 1VDC
Protection circuit Reverse polarity protection circuit, output short overcurrent protection circuit
Indicator Operation indicator: red LED, operation mode indicator: green LED
Insulation resistance Over 20MΩ (at 500VDC megger)
Noise immunity ±240V the square wave noise (pulse width: 1㎲) by the noise simulator
Dielectric strength 1,000VAC 50/60Hz for 1 minute (between all terminals and case)
Vibration 1.5mm amplitude or 300m/s2 at frequency of 10 to 55Hz in each of X, Y, Z direction for 2 hours
Shock 500m/s² (approx. 50G) in each X, Y, Z direction for 3 times
Envi-
ron-ment
Ambient illumination Sunlight/incandescent lamp: max. 3,000lx for each (receiver illumination)
Ambient temperature 10 to 55℃, storage: -25 to 65℃
Ambient humidity 35 to 85%RH, storage: 35 to 85%RH
Protection structure IP64 (IEC standard)
Material Case: polycarbonate
Cable Ø2.5, 3-wire, 1m (AWG28, core diameter: 0.08mm, number of cores: 19, insulator diameter: Ø0.9)
Accessory Binding band: 2, anti-slip tube: 2
Approval
Weight※2 Approx. 50g (approx. 13g)
※1: This may not detect the liquid with low transparent, with high viscosity, or with floating matters.
※2: The weight includes packaging. The weight in parenthesis is for unit only.
※The temperature or humidity mentioned in Environment indicates a non freezing or condensation environment.
Please read “Safety Considerations”
in the instruction manual before using.
