GRAS 48LX-1

Product catalog summary

Introduction
The GRAS 48LX-1 is an Ultra-Thin Precision (UTP) surface microphone designed for aeroacoustic testing. It features a 1/4" CCP medium-pressure condenser microphone with a height of only 1 mm, making it suitable for mounting in airflow without disturbing the sound field. The microphone set includes a preamplifier with TEDS and a 3-meter integrated cable with a Microdot female connector.

Specifications

Frequency Range: 20 Hz to 40 kHz (±1 dB), 10 Hz to 70 kHz (±3 dB)
Dynamic Range: 54 dB(A) to 170 dB
Sensitivity: 0.6 mV/Pa (±3 dB)
Output Impedance: <50 Ω
Operating Temperature: -20 to 85 °C (-4 to 185 °F)
Weight: 1 g (excluding cable), 18 g (including cable)

Applications
The 48LX-1 is ideal for low to medium level surface pressure measurements on planar and curved surfaces, particularly in boundary layers and turbulence. Typical applications include wind-induced noise measurement on vehicles, wind-tunnel testing, and measurements in confined spaces.

Mounting and Calibration
The microphone can be mounted using the RA4810 Hard Fairing with a click mount and double-sided adhesive pad. For field sensitivity verification, the RA4800 Adapter is available, ensuring quick and convenient in-situ checks. Calibration accessories include the RA4801 Adapter for sensitivity calibration and the RA4802 Actuator for frequency calibration.

Quality and Warranty
GRAS microphones are manufactured with high-quality materials to ensure durability and accuracy. The 48LX-1 comes with a 2-year warranty covering defects in materials and workmanship, while cables and connectors have a 6-month warranty. An exchange service is available for damaged microphones.

Ordering Information
Included with the microphone is a 3-meter cable and booster, and the RA4810 Hard Fairing. Optional accessories include various adapters for sensitivity and frequency calibration, as well as additional mounting pads and connectors.

About GRAS Sound & Vibration
GRAS is a leader in the sound and vibration industry, providing high-quality measurement microphones for aerospace, automotive, audiology, and consumer electronics sectors. With subsidiaries and distributors in over 40 countries, GRAS ensures global reach and support.

Catalog excerpts

Freq range: 20 Hz to 40 kHz (±1 dB) 48LX-1 is an Ultra-Thin Precision (UTP) surface 10 Hz to 70 kHz (±3 dB) microphone for aeroacoustic testing. Dyn range: 54 dB(A) to 170 dB It is a low-profile 1/4" CCP medium-pressure condenser Sensitivity: °.6 mV/Pa (±3 dB) microphone. The microphone is only 1 mm high and can, Sound & Vibration GRAS Sound & Vibration Skovlytoften 33, 2840 Holte, Denmark www.grasacoustics.com

Open the catalog to page 1

GRAS 48LX-1 UTP Microphone, Medium Pressure Introduction 48LX-1 is an Ultra-Thin Precision (UTP) surface microphone set for aeroacoustic testing. It is a 1/4" CCP medium-pressure condenser microphone set with a height of 1 mm. The microphone set includes a preamplifier with TEDS. The integrated cable connector is Microdot female. The total cable length is 3 meters. Typical applications and use 48LX-1 is for low to medium level surface pressure measurements on planar and curved surfaces. Because of its low profile, it is ideal for measurements in boundary layers and turbulence, e.g, in • Wind-induced...

Open the catalog to page 2

GRAS 48LX-1 UTP Microphone, Medium Pressure Cable and connectors are covered by a 6 months warranty period. Service Should you by mistake damage or destroy your microphone, we offer an exchange service at a reasonable cost and short turn-around time. GRAS Sound & Vibration continually strives to improve the quality of our products for our customers. Therefore, the specifications and accessories are subject to change. GRAS Sound & Vibration

Open the catalog to page 3

GRAS 48LX-1 UTP Microphone, Medium Pressure GRAS Sound & Vibration

Open the catalog to page 4

GRAS 48LX-1 UTP Microphone, Medium Pressure Sound & Vibration

Open the catalog to page 5

GRAS 48LX-1 UTP Microphone, Medium Pressure Included items Optional items GRAS Sound & Vibration

Open the catalog to page 6

HEAD OFFICE, DENMARK GRAS SOUND & VIBRATION Skovlytoften 33 2840 Holte Denmark Tel: +45 4566 4046 www.grasacoustics.com [email protected] USA GRAS SOUND & VIBRATION 5750 S.W. Arctic Drive Beaverton, OR 97005 Tel: 503-627-0832 Toll Free: 800-231-7350 www.grasacoustics.com [email protected] CHINA GRAS SOUND & VIBRATION Room 303, Building T6 Hongqiaohui, 990, Shenchang Road Minhang District, Shanghai China. 201106 Tel: +86 21 64203370 www.gras.com.cn [email protected] Sound & Vibration ABOUT GRAS SOUND & VIBRATION GRAS is a worldwide leader in the sound and vibration industry....

Open the catalog to page 7

GRAS 48LX-1

GRAS 48LX-1

Catalog excerpts

All GRAS catalogs and technical brochures