AE Intrinsically Safe: Vallen Systeme
ISAFE3: Intrinsically Safe AE-Sensor System
The Vallen Systeme Intrinsically Safe AE-Sensors system, ISAFE3, is designed to meet highest standards of permanent monitoring applications or periodic inspection tasks in explosion hazardous areas. Its ATEX zone 0 certification allows installation in most hazardous areas where explosive atmosphere can be continuously present.
The ISAFE3 sensor system consists of a range of intrinsically safe AE-sensors covering different frequency ranges and a signal isolator.
ISAS3 is an AE-sensor with integral preamplifier based on intrinsically safe electronic design making it suitable for installation in ATEX zone 0 environment. The integral preamplifier can drive long cables (up to 2km) and supports Automatic Sensor Test (self-test and neighboring sensor test). It can be submerged in water or oil withstanding peak pressures up to 12bar.
SISO3 is an associated device to ISAS3. It electrically isolates the intrinsically safe circuit from non-intrinsically safe circuit such as the data acquisition system. SISO3 can be installed in ATEX zone 2 environments. It limits the current, voltage, power and pulse energy supplied to the integral ISAS3 preamplifier to safe level even in case of two worst failures.
ISAS3 ATEX/CENELEC code: Ex II 1G Ex ia IIC T6 Ga Tamb -20°C +60°C IP68
SISO3 ATEX/CENELEC code: Ex II 3 (1) G Ex nA [ia Ga] IIC T4 Gc
Founded in 1980, Vallen Systeme specializes in the development and manufacturing of instrumentation for Acoustic Emission (AE). The company is dedicated to the support, reliability, and performance of their products.
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