Signal preamplifier 4033
compactisolatedin-line

signal preamplifier
signal preamplifier
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Characteristics

Type
signal
Other characteristics
in-line, compact, isolated
Voltage

Max.: 36 V

Min.: 3.6 V

Current

3 mA, 12 mA, 20 mA

Frequency

Max.: 40,000 Hz

Min.: 5 Hz

Description

Signal amplifiers are used to transform the sinusoidal output of a Variable Reluctance Speed Sensor to a digital output (square wave signal) at the same rate as targets passing by. Several housing options are available. Puck styles can be mounted in electrical cabinets or dropped into many conduit elbows and enclosures. Plug-in styles can mount directly to VR Speed Sensors with connectors. Compact In-line styles can be added into wiring bundles or inside conduit. A Noise Cancelling Amplifier with additional noise filtering is also available for critical applications. This version also offers two separate output signals for driving two different systems or for prover applications. An optional third output can be included which can be optically isolated. A special Directional Sensing Signal Amplifier can be used with two appropriately placed VR Speed Sensors to determine a target’s speed and direction of rotation. Intrinsically Safe and Explosion/Flame Proof versions are also available for Hazardous Locations. APPLICATIONS • Flow metering • Engine speed (crank and flywheel) • Conveyor / Process speed • Process counting • Retrofit new electronic systems to older equipment SPECTEC's directional preamplifier for passive magnetic VRS sensors is designed to convert the sinusoidal signals from two matching magnetic VR type sensors into stable square wave pulses. It provides relative directional data from the two sensors through the signal out terminal and LED indicators. For prover applications, an (x2) output is provided, which is derived from the input of Coils A & B. It is designed to fit a GAUL-16 or similar standard explosion proof juction box.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.