Multi-Element Water Content System (WCM)

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Multi-Element Water Content System (WCM)

The SEA Model WCM-2000 Multi Element Water content System was designed to provide aircraft and wind tunnel users with a single, rugged sensor to simultaneously measure Liquid Water Content (LWC) and Total Water Content (TWC) and Ice Water Content (IWC).

Product Description The SEA Model WCM-2000 Multi Element Water content System consists of four heated stainless steel elements each with a different shape or size. Each element is directly heated by low voltage DC current flowing through the element. These elements are maintained at a constant temperature, typically 140 °c, by a digital, closed loop, control system.

Advantage Characteristics

Technical Parameter

Application Scope

Advantage Characteristics

High Water Content Capability. Ethernet/Network Data Output, UDP/TCP, Serial. Easy Interface to Aircraft Flight Data Computers. Small Size (Control Unit can be combined with existing Data Systems). Measurement over a Wide MVD Range Including SLD drop sizes. Excellent Deice Performance.

Direct Measurement of LWC and TWC. Derived Measurement of IWC. Rugged Sensor Designed for High Speed, High Altitude Operation. Safe Operation at Zero Airspeed (see endnote 1). 28 vdc Power Standard (AC Power Systems are also available). Light Weight.

Technical Parameter

LWC/TWC range 0-10 gm/m³ , TAS < 150 m/s, SL - 45,000 ft ；0-6 gm/m³ , TAS < 230 m/s, SL - 45,000 ft
Airspeed range 0-275m/s（0-533kt）
Measurement range 10-275m/s（20-533kt）
Power supply range 18–32 vdc, 28 vdc nominal
Power consumption 3.5 amp minimum 11 amp typical 54 amp maximum
Sensor head dimensions 3.25 “ x 1.2 “ x 2.25” external 5.65 “ x 3.25 “ x 3.25” overall
Power control box dimensions 15.2” x 7.8” x 3.5”
Sensor head weight 1.5 lb
Power control box weight 12.0 lb
Data output Ethernet Network TCP/UDP
Data rate 1-10 Hz, selectable