Calibrator

Use this image

Can I reuse this image without permission? Yes

Object images on the Ingenium Collection’s portal have the following Creative Commons license:

Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

ATTRIBUTE THIS IMAGE

Ingenium, 2017.0101.001
Permalink:

Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.

DOWNLOAD IMAGE

PURCHASE THIS IMAGE

This image is free for non-commercial use.

For commercial use, please consult our Reproduction Fees and contact us to purchase the image.

OBJECT TYPE
sound level
DATE
1991
ARTIFACT NUMBER
2017.0101.001
MANUFACTURER
Brüel and Kjaer
MODEL
4230
LOCATION
Denmark

More Information


General Information

Serial #
1276173
Part Number
1
Total Parts
3
AKA
N/A
Patents
N/A
General Description
Metal sound level calibrator Calibrateur de niveau sonore en métal.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
9.8 cm
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
4.0 cm
Volume
N/A

Lexicon

Group
Communications
Category
Sound
Sub-Category
N/A

Manufacturer

AKA
Bruel Kjaer
Country
Denmark
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Unknown
Period
Unknown
Canada
Instrument used for calibrating microphones (ex: Precision Sound Level Meters). Instrument utilisé pour l'étalonnage de microphone (exemple: Sonomètre de précision).
Function
Calibration of sound measuring equipment. Étalonnage des appareils de mesure de son.
Technical
The Bruel & Kjaer 4230 Sound Level Calibrator is a pocket sized, battery operated sound source intended for quick and direct calibration of 1" and 1/2" diameter microphones, sound level meters and other sound measuring systems. An adapter is placed over the opening for use with 1/2" microphones and is removed when 1" microphones are to be calibrated. With the correct adaptors it can be used for 1/4" and 1/8" microphones as well. Le calibrateur de niveau sonore Bruel & Kjaer 4230 est en format de poche, fonctionne avec batterie, source sonore destinée à un calibrage direct des microphones de diamètre 1" et 1/2", sonomètres et autres systèmes de mesures du son. Un adapteur est placé par-dessus l'ouverture pour utilisation d'un microphone 1/2" et est enlevé lorsque les microphones 1" sont calibrés. Avec le bon adapteur, le calibrateur peut aussi être utilisé pour des microphones 1/4" et 1/8".
Area Notes
Unknown

Details

Markings
On the manufacturer label: "Brüel & Kjaer/ Type 4230/ 94 dB 1000 Hz/ [logo]/ Sound Level Calibrator/ Serial no. 1 276 173/ This calibrator gives a pressure calibration directly. For Sound Level/ meter calibration (free-field calibration) adjust to 93,6 dB for 1"/ and 93,8 dB for1/2" microphones. Replace battery if signal/ does not last for at least a few seconds after contact is released/ Warning: Do not unscrew the coupler part"/ On white label: "Labour/ Canada/ Travail/ Canada/ CALIBRATED / CALIBRÉ/ Init. PD Date 16/6/88"
Missing
Appears complete
Finish
Black cylindrical calibrator with a black and silver-coloured label and white and black labels. Calibrateur cylindrique noir avec étiquette noir et argenté, et étiquette noir et blanc.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Brüel and Kjaer, Calibrator, before 1991, Artifact no. 2017.0101, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2017.0101.001/

FEEDBACK

Submit a question or comment about this artifact.

More Like This


...
Cover, batter…

2017.0101.002

Object

...
Case, storage…

2017.0101.003

Object

...
Meter, sound …

2017.0100.001

Object

...
Case, storage…

2017.0100.003

Object

...
Cover, batter…

2017.0100.002

Object

...
Calibrator, m…

1995.1569.001

Object

...
Microphone

1988.0398.001

Object

...
Cord, power s…

2007.0297.007

Object

...
Recorder, sig…

1995.1570.001

Object

...
Level

2016.0068.001

Object

...
Spectrometer

1995.1574.001

Object

...
Rule

2017.0126.011

Object

...
Analyser, aco…

2016.0191.001

Object

...
Artificial vo…

1995.1568.001

Object

...
Generator, au…

2016.0189.001

Object

...
Amplifier, me…

2016.0193.001

Object

...
Charger, batt…

2012.1160.007

Object

...
Gauge

2017.0126.008

Object

...
Charger, batt…

2012.1137.004

Object

...
Battery

2007.0297.004

Object

...
Battery

2007.0297.005

Object

...
Label, can

2018.0225.001

Object

...
Rule

2017.0126.012

Object

...
Label, can

2018.0224.001

Object

...
Amplifier

2018.0229.001

Object

...
Recorder, sig…

2004.0306.001

Object

...
Reader, meter

2018.0231.001

Object

...
Analyser, fre…

1980.0412.001

Object

...
Meter, sound …

1995.1572.001

Object

...
Earphone

2012.1137.006

Object

...
Label, can

2018.0228.001

Object

...
Knife

2017.0126.007

Object

...
Label, can

2018.0227.001

Object

...
Sampler, snow

2017.0126.005

Object

...
Label, can

2018.0199.001

Object

...
Bottle, wine

2012.1169.001

Object

...
Meter, water

2018.0164.001

Object

...
Cradle, weigh…

2017.0126.009

Object

...
Label, can

2018.0201.001

Object

...
Label, can

2018.0226.001

Object

...
Sampler, snow

2017.0126.002

Object

...
Battery

2022.0003.012

Object

...
Hydrophone

2021.0069.001

Object

...
Cup, measuring

2018.0183.002

Object

...
Cup, measuring

2018.0183.003

Object

...
Cup, measuring

2018.0183.004

Object

...
Cup, measuring

2018.0183.005

Object

...
Cup, measuring

2018.0183.006

Object

...
Cup, measuring

2018.0183.001

Object

...
Adapter

2015.0351.002

Object

...
Label, can

2018.0204.001

Object

...
Tracer, frequ…

1995.1571.001

Object

...
Ring

2018.0182.008

Object

...
Boom, microph…

2016.0194.001

Object

...
Rotor control

2007.0298.002

Object

...
Phase shifter

2016.0196.001

Object

...
Label, can

2018.0200.001

Object

...
Battery

2017.0132.002

Object

No image available.
Meter, light

2012.1175.001

Object

...
Relay, alarm

2007.0805.001

Object

...
Cable

2007.0298.003

Object

...
Telephone mod…

2017.0131.001

Object

...
Label, can

2018.0221.001

Object

...
Label, can

2018.0222.001

Object

...
Charger, batt…

2018.0229.003

Object

...
Spoon, measur…

2018.0182.004

Object

...
Spoon, measur…

2018.0182.005

Object

...
Spoon, measur…

2018.0182.006

Object

...
Spoon, measur…

2018.0182.007

Object

...
Spoon, measur…

2018.0182.001

Object

...
Spoon, measur…

2018.0182.003

Object

...
Spoon, measur…

2018.0182.002

Object

...
Transceiver, …

2012.1137.001

Object

...
Amplifier, re…

1987.1134.001

Object

...
Sampler, snow

2017.0126.003

Object

...
Sampler, snow

2017.0126.001

Object

...
Cover, instru…

2004.0306.002

Object

...
Adapter

2015.0351.003

Object

...
Tray, tool

2017.0126.006

Object

...
Label, can

2018.0211.001

Object

...
Camera

2007.0297.001

Object

...
Battery

2022.0004.039

Object

...
Label, can

2018.0215.001

Object

...
Label, can

2018.0217.001

Object

...
Case, storage…

2017.0126.014

Object

...
Label, can

2018.0213.001

Object

...
Adapter

2018.0229.009

Object

...
Adapter

2018.0229.010

Object

...
Adapter

2018.0229.011

Object

...
Battery

2012.1160.005

Object

...
Battery

2012.1160.006

Object

No image available.
Tag

2016.0404.001

Object

No image available.
Tag

2016.0403.001

Object

...
Blade, propel…

2022.0003.007

Object

...
Blade, propel…

2022.0003.008

Object

...
Blade, propel…

2022.0003.009

Object

...
Label, can

2018.0208.001

Object

...
Model part

2017.0131.002

Object

...
Label, can

2018.0216.001

Object

...
Label, can

2018.0203.001

Object