加工定制： 是 材质： 哈氏特镍合金
测量范围： 0-250MWS 类型： 投入式液位变送器
型号： LH-20 测量精度： 0.25
测量介质： 液体 品牌： WIKA/威卡
输出信号： 4-20（mA） 电源： UB直流电压
WIKA LH-20 高性能投入式液位测量传感器
污水地下水及沉淀池监测
High-performance submersible pressure transmitter
For level measurement
Model LH-20
Submersible pressure transmitter model LH-20
Fig. left: from stainless steel
Fig. right: from titanium
Applications
Deep well and borehole measurements
Groundwater monitoring
Level measurement in open bodies of water
Sewage lift and pumping stations
Settling ponds and rainwater basins
Special features
Slender design
Adjustable turndown (option)
Resistant against the harshest environmental conditions
Reliable and secure by double-sealed design
Titanium case for especially high resistance (option)
Description
For the most demanding measurement tasks
The model LH-20 submersible pressure transmitter has been designed for the most demanding of level measurement tasks. A slender design, highest accuracies, low temperature errors and an adjustable measuring range ensure the suitability of the LH-20 for all submerged level measurements.
The model LH-20 submersible pressure transmitter can adapt to countless applications and measuring media through a large number of features and options. Depending on the requirements, this level probe is available with, amongst other things, a titanium case, PUR/PE/FEP cable, 0.1 % accuracy, HART?, scaleability or parallel temperature output signal.
For operation in hazardous environments, the model LH-20 submersible pressure transmitter is also available in an intrinsically safe version. For potable and fresh water applications, a potable water conformant product variant is possible in accordance with KTW and ACS.
Hermetically sealed, robust and durable
The model LH-20 submersible pressure transmitter has been engineered for use in the harshest environments. Through a double, redundant sealing concept, it is permanently hermetically sealed. A robust design from stainless steel or titanium, with a spring-reinforced cable seal, ensures a long service life, even under the big mechanical loads of installation and continuous use.
Designs with the highest media resistance using FEP cable and titanium cases, along with the integrated lightning protection, guarantee the longevity of the submersible pressure transmitter even under the most adverse environmental influences in aggressive media, in both indoor and outdoor use.
?Measuring ranges
Output signals
Output signal
Standard 4 ... 20 mA
Option 4 ... 20 mA and HART? signal, additional Pt100 measurement signal
Load in Ω
4 ... 20 mA:≤ (power supply - 8 V) / 0.022 A
4 ... 20 mA and HART? signal: ≤ (power supply - 9.6 V) / 0.022 A
Voltage supply
Power supply
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