PVC材质浮球液位控制器RLS-2000德国wika顶装浮球开关

德国wika威卡RLS-2000浮球开关 工业应用型，塑料材质。
PP材质浮球液位开关 PVC浮球开关 耐腐蚀浮球液位控制器。
RLS-2000浮球液位开关的参数
Float switch, model RLS-2000
Measuring principle Potential-free switching reed contacts are triggered by a magnet in the float.
Guide tube length L
PP version 100 ... 1,500 mm [4 ... 59 in]
PVDF version 120 ... 1,500 mm [4.7 ... 59 in]
PVC version 70 ... 1,500 mm [2.8 ... 59 in]
Other lengths on request
Output signal Up to 4 switch points, depending on the electrical connection: SP1, SP2, SP3, SP4
Switching function Alternatively normally open (NO), normally closed (NC) or change-over (SPDT) contact - on rising level
Switch position Specified in mm, starting from the upper sealing face (SP1 ... SP4)
PP and PVC version At the end of the guide tube ≈ 45 mm [≈ 1.8 in] cannot be used for switch positions.
PVDF version At the end of the guide tube ≈ 65 mm [≈ 2.6 in] cannot be used for switch positions.
Distance between switch
points 1)
Minimum distance SP1 to the upper sealing face: 50 mm [2.0 in]
Minimum distance between the switch points: 50 mm [2.0 in]
Minimum distance with 3 switch points: 80 mm [3.1 in], either between SP1 and SP2 or SP2 and SP3
Minimum distance with 4 switch points: 80 mm [3.1 in], between SP2 and SP3
Switching power 2) Floats with outer diameter ∅ D = 44 mm [1.7 in], 55 mm [2.2 in]
Normally open, normally closed: AC 230 V; 100 VA; 1 A; 50 ... 60 Hz
DC 230 V; 50 W; 0,5 A
Change-over contact: AC 230 V; 40 VA; 1 A; 50 ... 60 Hz
DC 230 V; 20 W; 0,5 A
Floats with outer diameter ∅ D = 18 mm [0.7 in], 25 mm [1.0 in]
Normally open, normally closed: AC 100 V; 10 VA; 0.5 A; 50 ... 60 Hz
DC 100 V; 10 W; 0.5 A
Change-over contact: AC 100 V; 5 VA; 0.25 A; 50 ... 60 Hz
DC 100 V; 5 W; 0.25 A
Accuracy ±3 mm switch point accuracy incl. hysteresis, non-repeatability
Mounting position Vertical ±30°
Process connection ■ G ½, installation from outside 3)
■ G ¾, installation from outside 3)
■ G 1, installation from outside 4)
■ G 1 ½, installation from outside 5)
■ G 2, installation from outside
■ G ⅜, installation from inside 6)
■ G ½, installation from inside 6)
Material
Wetted Process connection, guide tube PP, PVC or PVDF
Float See table on page 3
Non-wetted Case PP, PVDF (option)
Electrical connection See table on page 3
Permissible temperatures
Medium PP version -10 … +80 °C [14 … 176 °F]
PVDF version -10 … +80 °C [14 … 176 °F] 7)
Option: -30 … +120 °C [-22 … +248 °F] 7)
PVC version -10 … +60 °C [14 … 140 °F]
Ambient PP version -10 … +80 °C [14 … 176 °F]
PVDF version -30 … +80 °C [-22 … +176 °F]
PVC version -10 … +60 °C [14 … 140 °F]
Storage PP version -10 … +80 °C [14 … 176 °F]
PVDF version -30 … +80 °C [-22 … +176 °F]
PVC version -10 … +60 °C [14 … 140 °F]
1) Smaller minimum distances on request
2) Higher switching power ratings on request
3) Only with float outer diameter ∅ D = 18 mm [0.7 in]
4) Only with float outer diameter ∅ D ≤ 25 mm [1.0 in]
5) Only with float outer diameter ∅ D = 44 mm [1.7 in] from PP, not with 3 x change-over contact
6) Only with cable outlet
7) Not with PVC cable
RLS-2000浮球液位开关的应用
设备制造中液位的监控 
重要介质的液位监测和控制
功能特性
适用介质：油、水介质和腐蚀性液体
接液部件： PP或PVDF
***高可监测4个开关点位置，开关点类型包括：常开型、常闭型、转换型
零接触电势的干簧
RLS-2000浮球液位开关的描述
RLS-2000型磁性浮球开关主要用于腐蚀性和侵蚀性液体的监控，如酸和碱。

RLS-2000浮球液位开关的工作原理
磁性浮球开关基于浮力原理，带动各个触点对每个液位状态变化进行监控。它利用带有内设磁性系统的浮球触发导管内一个小的干簧触点，产生动作。干簧的工作与液体无直接接触，无磨损和开裂。触点的状态变化始终是指液体的上升液位：常开（O）、常闭（S）或转换型（U）。