HBK (Brüel & Kjær) · 2250 series hand-held analyzers · Handheld sound level meter
B&K 2250
DiscontinuedSingle-channel Class 1 hand-held analyser with a colour touchscreen, sold from the mid-2000s with modular software (BZ-72xx) for logging, frequency analysis, reverberation time, building acoustics, FFT, tonal assessment and signal recording. HBK states that the 2250 series is being transitioned to the B&K 2245 and HBK 2255 families; many units remain in service.
Specifications verified on .
- Type
- Handheld sound level meter
- Class
- Class 1
- Channels
- 1
- Octave bands
- 1/1 and 1/3
- Connectivity
- USB 2.0 (OTG Micro-AB and Standard-A), LAN (RJ45, 100 Mbit/s), WiFi via UL-1050/UL-1019 adapter, USB modem (GPRS/EDGE/HSPA)
- Weight
- 650 g
- Battery life
- 11 h
Specifications
As published by HBK (Brüel & Kjær). Fields the manufacturer does not publish are omitted rather than estimated.
| Specification | Value |
|---|---|
| IEC 61672-1 class | Class 1 |
| Standards | IEC 61672-1:2013 class 1, IEC 60651 type 1, IEC 60804 type 1, DIN 45657, ANSI S1.4 type 1, ANSI/ASA S1.4-2014 class 1, ANSI S1.43 type 1, IEC 61260-1:2014 class 1 (BZ-7223), ANSI/ASA S1.11-2014 class 1 (BZ-7223), ISO 7196:1995 (infrasound), ISO 8041:2005 (vibration) |
| Specification | Value |
|---|---|
| Channels | 1 |
| Measurement range | about 16.6 to 140 dB(A) dynamic range with Type 4189; primary display range 23.5 to 122.3 dB(A) |
| Linearity range | 24.8 to 139.7 dB(A) at 1 kHz (IEC 61672); 21.4 to 140.8 dB(A) (IEC 60804) |
| Peak range | 42.3 to 142.7 dB (C-weighted peak at 1 kHz) |
| Frequency range | 0.5 Hz to 20 kHz broadband; 1/3-octave 6.3 Hz to 20 kHz (0.8 Hz with low-frequency option) |
| Frequency weightings | A, B, C, Z, G |
| Time weightings | F, S, I |
| Parameters | LXeq, LXE, Lmax, Lmin, LN statistics, Ldn, Lden, Lday, Levening, Lnight, NR, RC, NC, NCB, SIL, loudness, tonal assessment (Kt, dLta, Lpt) |
| Specification | Value |
|---|---|
| Octave bands | 1/1 and 1/3 |
| Octave band filter class | class 1 (IEC 61260-1:2014) with BZ-7223 |
| FFT | BZ-7230 FFT option (line count not stated in BP 2029) |
| Reverberation time | Yes |
| Building acoustics | Yes |
| Audio recording | Yes |
| Specification | Value |
|---|---|
| Shortest logging interval | 100 ms fast logging (10 ms for LAF); 1 s standard |
| Memory | 512 MB internal flash; two SD/SDHC slots (up to 32 GB); USB stick |
| Specification | Value |
|---|---|
| Microphone | 1/2" prepolarised free-field, Type 4189, 50 mV/Pa (Types 4190 and 4966 alternatives) |
| Detachable preamplifier | Yes |
| Display | 240 x 320 transflective backlit colour touchscreen |
| Battery | Li-ion pack QB-0061, 3.7 V, 5200 mAh |
| Battery life | 11 h |
| Weight | 650 g |
| Dimensions (mm) | 300 x 93 x 50 including preamplifier and microphone |
| Operating temperature (°C) | -10 to 50 |
| Specification | Value |
|---|---|
| Connectivity | USB 2.0 (OTG Micro-AB and Standard-A), LAN (RJ45, 100 Mbit/s), WiFi via UL-1050/UL-1019 adapter, USB modem (GPRS/EDGE/HSPA) |
| Remote control | Measurement Partner Field App, Measurement Partner Cloud |
| Software | Measurement Partner Suite (BZ-5503), Sound Level Meter BZ-7222, Frequency Analysis BZ-7223, Logging BZ-7224, Enhanced Logging BZ-7225, Signal Recording BZ-7226, Reverberation Time BZ-7227, Building Acoustics BZ-7228, FFT BZ-7230, Tone Assessment BZ-7231, Noise Monitoring BZ-7232 |
Variants
| Variant | Difference |
|---|---|
| 2250-L (2250 Light) | reduced-feature version of the same platform |
| 2250-S | standard sound level meter configuration |
| 2250-W | vibration measurement configuration |
Where this data comes from
| Kind | Document | Accessed |
|---|---|---|
| Product page | B&K 2250 Sound Level Meter/Analyzer | |
| Product page | Type 2250-L | |
| Datasheet | Product Data BP 2029, Hand-held Analyzer Types 2250 and 2270 |
Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.
Spec out of date? Tell us (reference hbk-2250).
Verified owner reviews
Reviews from people who own and use this instrument, each checked against a serial number by a person.
Opens in November 2026. Own this instrument? Register your interest.
Known issues and firmware notes
Hardware and firmware problems reported by owners, with the firmware version concerned and any manufacturer response.
Opens in November 2026. Own this instrument? Register your interest.
Feature requests
Functions owners would like to see in a firmware update or a successor model.
Opens in November 2026. Own this instrument? Register your interest.
Read next
- How to choose a sound level meter · Class 1 vs class 2, integrating vs non-integrating, parameters by application, options and licences, calibration.
- Class 1 vs class 2 sound level meters · IEC 61672-1 tolerances, what the classes do and do not say, and where each is typically required.
Related instruments
More from HBK (Brüel & Kjær)
- B&K 2245 · HBK (Brüel & Kjær) · Class 1
- B&K 2270 · HBK (Brüel & Kjær) · Class 1Discontinued
- HBK 2255 · HBK (Brüel & Kjær) · Class 1
- Brüel & Kjær 3639 · HBK (Brüel & Kjær) · Class 1Discontinued
Other class 1 handheld sound level meters
- SoundTrack LxT · Larson Davis · Class 1Discontinued
- XPT800 · Delta OHM (Senseca) · Class 1
- XPT801 · Delta OHM (Senseca) · Class 1
- Bedrock SM90 · Bedrock · Class 1