*mydirectindustry

Kalibrator 4000

Product catalog summary

Overview: The document provides technical specifications and operational details for the Microtech Gefell Sound Calibrator 4000, a Class 1 device used for calibrating microphones.

Specifications:

Sound Pressure Level: 114.0 ± 0.2 dB at 1000 Hz ± 0.2%.
Distortion: Less than 1%.
Sensitivity to Load Volume Change: +0.0003 dB/mm³.
Stabilization Time: Less than 2 seconds.
Microphone Cartridge Sizes: Compatible with 1", 1/2", and 1/4" cartridges.
Temperature Range: -10 °C to +50 °C.
Ambient Pressure Range: 65 - 108 kPa.
Humidity Range: 10% to 90% RH.
Battery Life: Over 30 hours with a 9V battery (6LR61).
External Supply Voltage: 7.5 - 15 Vdc, with automatic shut-off below 7.5 Vdc.

Compliance and Safety:

Complies with ANSI S 1.40 and IEC 60942 Class 1 standards.
CE classification for EMC: EN 50081-1, EN 50082-1.
Safety standard: EN 61010-1, 1993 for portable equipment, pollution category 2.

Operational Features:

Power-on push button with green LED indication.
Automatic shut-off when the microphone is removed or after approximately five minutes.
Adaptors available for different cartridge sizes.

Design and Construction:

Includes a miniature loudspeaker and a silicon microphone for monitoring sound pressure levels.
Dimensions: Length 109.5 mm, Diameter 40 mm.
Weight: 185 g with battery.

Graphical Data: The document includes graphs showing the calibrator coupler sound pressure level as a function of ambient pressure, temperature, and relative humidity, indicating the device's stability and accuracy under varying environmental conditions.

Catalog excerpts

KONDENSATORMIKROFONE FÜR STUDIO - UND MESSTECHNIK M I C R OT E C H G E F E L L Schalldruck-Kalibrator 4000 Kl. 1 Sound Calibrator 4000 Cl. 1 MICROTECH GEFELL GMBH GEORG - NEUMANN - PLATZ D-07926 GEFELL INTERNET http://www.microtechgefell.de e-mail [email protected]

Open the catalog to page 1

The sound calibrator operating principle Specifications Sound Calibrator 4000 C€ Certifikate Complies with ANSI S 1.40 yes Sound pressure level (re: 20 |iPa) 114.0 ± 0.2 dB Typical change in SPL per year < 0.02 dB Time for level to stabilise < 2 sec. Microphone cartridge size 1 ",1/2", 1/4" Controls Power-on push button with green LED indication. Automatic shut-off when the microphone is removed (except for 1/4") Ambient pressure range 65 - 108 kPa Battery live-time > 30 hours External supply voltage 7.5 -15 Vdc. Automatic shout-off when VBATT< 7.5 Vdc Safety EN 61010-1,1993 portable equipment...

Open the catalog to page 2

Calibrator coupler sound pressure level (dB) as a function of the relative humidity (%RH) Reference point Typical Class 0 value

Open the catalog to page 3

There are adaptors available to also facilitate the calibration of 1/2"-inch and 1/4"-inch cartridges in addition to full-inch. A green LED illuminates when the sound pressure level inside the coupler cavity is correct. The power button. Depress to start generating the sound pressure level. The sound calibrator switches itself off automatically if the required sound pressure level cannot be established, for example if the microphone to be checked has not been inserted. The unit also switches itself off after approximately five minutes. Miniature loudspeaker generating the sound pressure level...

Open the catalog to page 4

Kalibrator 4000

Kalibrator 4000

Catalog excerpts

All Microtech Gefell GmbH catalogs and technical brochures