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HBK (Brüel & Kjær) · B&K 2245 · Handheld sound level meter

B&K 2245

Current

Single-channel Class 1 sound level meter with a colour display and status light ring. Measurement functions are enabled by task-based licences (Noise Partner, Enviro, Work, Product and Exhaust Noise Partner) and operated from the instrument or a paired mobile or PC app. Intended for general, environmental, occupational and product noise measurement.

Specifications verified on .

Type
Handheld sound level meter
Class
Class 1
Channels
1
Octave bands
1/1 and 1/3
Connectivity
USB-C, Ethernet over USB, WiFi 2.4 GHz, Bluetooth Low Energy, GPS
Weight
370 g
Battery life
13 h
Compare with other instrumentsAll handheld sound level meters

Specifications

As published by HBK (Brüel & Kjær). Fields the manufacturer does not publish are omitted rather than estimated.

Standards and class — B&K 2245
SpecificationValue
IEC 61672-1 classClass 1
StandardsIEC 61672-1:2013 class 1, IEC 61260-1:2014 class 1 (with frequency analysis licence), ANSI/ASA S1.4-2014 class 1, ANSI/ASA S1.11-2014 class 1 (with frequency analysis licence)
Pattern approvalsPTB 1.1.2.386, certificate DE-20-M-PTB-0026
Measurement — B&K 2245
SpecificationValue
Channels1
Measurement range22.7 to 140.6 dB(A) single range
Linearity range23.2 to 140.3 dB(A) at 1 kHz (IEC 61672); 19.8 to 141.5 dB(A) (IEC 60804)
Peak range43.3 to 143.3 dB (C-weighted peak at 1 kHz)
Frequency range6 Hz to 20 kHz
Frequency weightingsA, B, C, Z
Time weightingsF, S, I
Simultaneous weightingsNo
ParametersLXY, LXYmax, LXYmin, LXpeak, LXeq, LAIeq, LAImax, LXE, LAN statistics (five percentiles), LAFTeq, LavS4, LavS5
Analysis — B&K 2245
SpecificationValue
Octave bands1/1 and 1/3
Octave band filter classclass 1 (IEC 61260-1:2014), one weighting
Reverberation timeNo
Building acousticsNo
Audio recordingYes
Logging and data — B&K 2245
SpecificationValue
Shortest logging interval1 s
Memory16 GB internal (about 13 GB formatted)
Hardware — B&K 2245
SpecificationValue
Microphone1/2" prepolarised free-field, Type 4966, 50 mV/Pa
Display240 x 320 transflective backlit colour LCD, 360-degree status light ring
BatteryLi-ion, 6700 mAh (24 Wh)
Battery life13 h
Weight370 g
Dimensions (mm)260 x 68 x 37 including preamplifier and microphone
IP ratingIP55
Operating temperature (°C)-25 to 70
Connectivity and software — B&K 2245
SpecificationValue
ConnectivityUSB-C, Ethernet over USB, WiFi 2.4 GHz, Bluetooth Low Energy, GPS
Remote controlNoise Partner family mobile (iOS, Android) and PC apps; Open Interface BZ-7400
SoftwareNoise Partner (BZ-7300), Enviro Noise Partner (BZ-7301), Work Noise Partner (BZ-7302), Product Noise Partner (BZ-7303), Exhaust Noise Partner (BZ-7304), Open Interface (BZ-7400)

Variants

Variants of the B&K 2245 as the manufacturer names them
VariantDifference
2245-Ncore hardware without a bundled application licence
Task bundleshardware with Noise Partner, Enviro Noise Partner, Work Noise Partner, Product Noise Partner or Exhaust Noise Partner licence
WELMEC firmwarelegal-metrology firmware variant for Germany and Spain

Where this data comes from

Manufacturer documents used for this record
KindDocumentAccessed
Product pageB&K 2245 Sound Level Meter
DatasheetProduct Data BP 0029-17, B&K 2245 Sound Level Meter (2024-03)
DatasheetProduct Data BP 2683-11, Noise Partner BZ-7300 (2023-06)

Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.

Spec out of date? Tell us (reference hbk-2245).

Verified owner reviews

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Known issues and firmware notes

Hardware and firmware problems reported by owners, with the firmware version concerned and any manufacturer response.

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Feature requests

Functions owners would like to see in a firmware update or a successor model.

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