ELECTRICAL SPECIFICATIONS
Supply voltage (Vs) 5 to 15Vdc or 10 to 28Vdc (±5%)
Supply current 15 mA nominal
Output Type An “L” in the part number indicates that
The sensor output will go low in air.
Otherwise the output will be high in air
(see notes below).
Output sink/source
current (lo) 500 mA max
Operating temperature -40 to +85°C (standard temperature range) or
-40 to +125°C (extended temperature range)
Storage temperature -40 to +85°C (standard temperature range) or
-40 to +125°C (extended temperature range)
LLC210D3-001
MOUNTING
Housing Type LLC200 and
LLC210 series
LLC600 and
LLC610 series
Thread M12x1x8g with hex nut * ½” SAE with o-ring *
Tightening torque 1.5 N m/13.26 in lb max.
Pressure (using sealing washer/O-ring) 7 bar max
Mounting hole Ø12mm Ø ½ Inch
Housing Material Polysulphone
Sensor Termination 20AWG, 250mm PTFE Wires, 8mm Tinned
LIQUID
LEVEL
SENSOR
WIRE DESIGNATION
RED Vs
GREEN OUTPUT
BLUE 0V
Sensor Schematic
Vs
0V
OUTPUT
光电液位传感器的原理
光电液位传感器内含光电触发电路输出一个开关
信号，指示有/无液位。
工作模式为传感器内部光反射原理，一个发光二极管
（LED）和光接受三极管被包含在传感器前端的半球顶内。
当没有液体时，光线反射到接收管通过球顶，当没有液体时，
光线在球顶内部发生部分折射出球体内，引起接收管输出变
化，这种液面测量方法，能即时反映液面变化。
典型应用
家庭电气
温泉池
自动售货机
食品与饮料
医疗
压缩机
机床电器
汽车
地湿检测
发电机油位检测
产品特点
准确可重复开关点
安装在空间狭小位置、三种尺寸可供选择
TTL电平输出与微处理器兼容
方便安装，减少时间
反向极性，超电压，短路和浪涌保护
内部电路图解
分三线制和四线制两种分别如下：
选型型号 尺寸 工作温度 驱动电流 供电电压
LLC500D3 M10 -40 to +85°C
LLC500D3L M10 -40 to +85°C
LLC500D4 M10 -40 to +85°C
LLC500D4L M10 -40 to +85°C 10mA max 5-12V
LLC200D3SH M12 -40 to +85°C
LLC200D3LSH M12 -40 to +85°C
LLC200D4SH M12 -40 to +85°C
LLC200D4LSH M12 -40 to +85°C
LLC600D3SH ½ Inch -40 to +85°C
LLC600D3LSH ½ Inch -40 to +85°C
LLC600D4SH ½ Inch -40 to +85°C
10mA max 5-12V
10mA max 5-12V
10mA max 5-12V
10mA max 5-12V
10mA max 5-12V
10mA max 5-12V
10mA max 5-12V
10mA max 5-12V
10mA max 5-12V
10mA max 5-12V
LLC600D4LSH ½ Inch -40 to +85°C
LLC200D3-ITEM M12 -40 to +85°C 250mA 5-15V
LLC200D3L-ITEM M12 -40 to +85°C 250mA 5-15V
LLC200D4-ITEM M12 -40 to +85°C 250mA 5-15V
LLC200D4-ITEM M12 -40 to +85°C 250mA 5-15V
注：型号中带L 和不带L 的区别在于输出的电平，带L 的是无液体浸没输出为低电平，反之则反。
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