威卡OLS-5200光电液位开关 wika授权代理
威卡OLS-5200光电开关的功能特性
抗震，耐冲击
可靠性高
可操作范围：130 °C 和 2.5 MPa
符合 DNV GL
威卡OLS-5200光电开关的应用
造船业
发动机技术
液压动力单元
适用于液体介质，如油、水、蒸馏水、及水性介质
威卡OLS-5200光电开关的描述
OLS-5200光电液位开关适用于造船业中的液位监控。光电传感器由红外LED和光接收器组成。
从 LED 发出的光线直接射入传感器顶端的棱镜中。只要传感器顶端不被液体浸没，光线就会经棱镜反射到接收器中。
如果液体在容器中升高逐渐淹没顶端，光束就会被液体阻挡， 接收器将无法接收或仅接收到微弱的光线，此时开关点切换会被触发。
OLS-5200型光电传感器专为海上应用场合而设计，因此该产品极为抗震，耐冲击。
Measurement accuracy ±2 mm
Minimum distance from the glass tip to an
opposite surface
≥ 10 mm
≥ 20 mm with electropolished surface
Mounting position as required
Process connection G 1/2" male or M18 x 1.5 (male)
Design data
Responsiveness Preset for the detection of aqueous media and oils
Medium temperature -40 … +130 °C
Ambient temperature -30 … +80 °C
Operating pressure 0 … 2.5 MPa (0 … 25 bar)
Vibration resistance 10 ... 5,000 Hz, 0 ... 60 g
Materials
■ Light guide
■ Case und process connection
Borosilicate glass, fixed with silicone adhesive
(Option: Fixed with epoxy resin)
Stainless steel 1.4571
Electrical data
Power supply DC 12 ... 32 V
Max. current supply 40 mA
Electrical connection ■ Polyolefin cable
■ Cable length freely definable, up to 20 m (longer lengths on request)
■ Diameter: 2 x 2 x 0.75 mm2 (twisted pair)
■ Cable end: Cut to length
Output signal PNP transistor, protected against reverse polarity, 200 mA switching current
Switching function Normally open (closed in medium) or normally closed (open in medium)
Ingress protection IP65
Number of switch points 1
