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
光電液位傳感器的原理
光電液位傳感器內(nèi)含光電觸發(fā)電路輸出一個(gè)開關(guān)
信號(hào)，指示有/無液位。
工作模式為傳感器內(nèi)部光反射原理，一個(gè)發(fā)光二極管
（LED）和光接受三極管被包含在傳感器前端的半球頂內(nèi)。
當(dāng)沒有液體時(shí)，光線反射到接收管通過球頂，當(dāng)沒有液體時(shí)，
光線在球頂內(nèi)部發(fā)生部分折射出球體內(nèi)，引起接收管輸出變
化，這種液面測量方法，能即時(shí)反映液面變化。
典型應(yīng)用
家庭電氣
溫泉池
自動(dòng)售貨機(jī)
食品與飲料
醫(yī)療
壓縮機(jī)
機(jī)床電器
汽車
地濕檢測
發(fā)電機(jī)油位檢測
產(chǎn)品特點(diǎn)
準(zhǔn)確可重復(fù)開關(guān)點(diǎn)
安裝在空間狹小位置、三種尺寸可供選擇
TTL電平輸出與微處理器兼容
方便安裝，減少時(shí)間
反向極性，超電壓，短路和浪涌保護(hù)
內(nèi)部電路圖解
分三線制和四線制兩種分別如下：
選型型號(hào) 尺寸 工作溫度 驅(qū)動(dòng)電流 供電電壓
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：型號(hào)中帶L 和不帶L 的區(qū)別在于輸出的電平，帶L 的是無液體浸沒輸出為低電平，反之則反。
