Compare instruments
Up to 4 instruments of the same type, every published specification side by side. Rows where the values differ are tinted. A blank cell means the manufacturer does not publish that value.
Comparing 4 handheld sound level meters. Back to the category table.
| Specification | B&K 2245HBK (Brüel & Kjær) | B&K 2250HBK (Brüel & Kjær) | B&K 2270HBK (Brüel & Kjær) | HBK 2255HBK (Brüel & Kjær) |
|---|---|---|---|---|
| Status | Current | Discontinued | Discontinued | Current |
| Verified on | ||||
| Standards and class | ||||
| IEC 61672-1 class | Class 1 | Class 1 | Class 1 | Class 1 |
| Standards (differs) | IEC 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) | 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) | 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) | IEC 61672-1:2013 class 1, IEC 61260-1:2014 class 1, ANSI/ASA S1.4-2014 class 1, ANSI/ASA S1.11-2014 class 1, ANSI S1.43-1997 type 1, IEC 60651 and IEC 60804 type 1, DIN 45657 |
| Pattern approvals (differs) | PTB 1.1.2.386, certificate DE-20-M-PTB-0026 | — | — | PTB, certificate DE-22-M-PTB-0058, LNE (France) |
| Measurement | ||||
| Channels (differs) | 1 | 1 | 2 | 1 |
| Measurement range (differs) | 22.7 to 140.6 dB(A) single range | about 16.6 to 140 dB(A) dynamic range with Type 4189; primary display range 23.5 to 122.3 dB(A) | about 16.6 to 140 dB(A) dynamic range with Type 4189; primary display range 23.5 to 122.3 dB(A) | 22.7 to 140.6 dB(A) single range (Type 4966-Z-041); 24 to 141 dB(A) with Type 4952 |
| Linearity range (differs) | 23.2 to 140.3 dB(A) at 1 kHz (IEC 61672); 19.8 to 141.5 dB(A) (IEC 60804) | 24.8 to 139.7 dB(A) at 1 kHz (IEC 61672); 21.4 to 140.8 dB(A) (IEC 60804) | 24.8 to 139.7 dB(A) at 1 kHz (IEC 61672); 21.4 to 140.8 dB(A) (IEC 60804) | 23.2 to 140.3 dB(A) at 1 kHz (IEC 61672); 19.8 to 141.5 dB (IEC 60804) |
| Peak range (differs) | 43.3 to 143.3 dB (C-weighted peak at 1 kHz) | 42.3 to 142.7 dB (C-weighted peak at 1 kHz) | 42.3 to 142.7 dB (C-weighted peak at 1 kHz) | 43.3 to 143.3 dB (C-weighted peak at 1 kHz) |
| Frequency range (differs) | 6 Hz to 20 kHz | 0.5 Hz to 20 kHz broadband; 1/3-octave 6.3 Hz to 20 kHz (0.8 Hz with low-frequency option) | 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 (differs) | A, B, C, Z | A, B, C, Z, G | A, B, C, Z, G | A, B, C, Z |
| Time weightings | F, S, I | F, S, I | F, S, I | F, S, I |
| Simultaneous weightings (differs) | No | — | — | Yes |
| Parameters (differs) | LXY, LXYmax, LXYmin, LXpeak, LXeq, LAIeq, LAImax, LXE, LAN statistics (five percentiles), LAFTeq, LavS4, LavS5 | LXeq, LXE, Lmax, Lmin, LN statistics, Ldn, Lden, Lday, Levening, Lnight, NR, RC, NC, NCB, SIL, loudness, tonal assessment (Kt, dLta, Lpt) | LXeq, LXE, Lmax, Lmin, LN statistics, Ldn, Lden, Lday, Levening, Lnight, NR, RC, NC, NCB, SIL, loudness, tonal assessment (Kt, dLta, Lpt) | LXY, LXeq, LXpeak, LXYmax, LXYmin, LAImax, LXE, LAFTeq, LavS4, LavS5, LAN statistics (five percentiles) |
| Analysis | ||||
| Octave bands | 1/1 and 1/3 | 1/1 and 1/3 | 1/1 and 1/3 | 1/1 and 1/3 |
| Octave band filter class (differs) | class 1 (IEC 61260-1:2014), one weighting | class 1 (IEC 61260-1:2014) with BZ-7223 | class 1 (IEC 61260-1:2014) with BZ-7223 | class 1 (IEC 61260-1:2014), two weightings in parallel |
| FFT (differs) | — | BZ-7230 FFT option (line count not stated in BP 2029) | BZ-7230 FFT option (line count not stated in BP 2029) | — |
| Reverberation time (differs) | No | Yes | Yes | Yes |
| Building acoustics (differs) | No | Yes | Yes | Yes |
| Audio recording | Yes | Yes | Yes | Yes |
| Logging and data | ||||
| Shortest logging interval (differs) | 1 s | 100 ms fast logging (10 ms for LAF); 1 s standard | 100 ms fast logging (10 ms for LAF); 1 s standard | 1 ms (advanced logging); 1 s standard |
| Memory (differs) | 16 GB internal (about 13 GB formatted) | 512 MB internal flash; two SD/SDHC slots (up to 32 GB); USB stick | 512 MB internal flash; two SD/SDHC slots (up to 32 GB); USB stick | 16 GB internal (about 13 GB formatted) |
| Hardware | ||||
| Microphone (differs) | 1/2" prepolarised free-field, Type 4966, 50 mV/Pa | 1/2" prepolarised free-field, Type 4189, 50 mV/Pa (Types 4190 and 4966 alternatives) | 1/2" prepolarised free-field, Type 4189, 50 mV/Pa (Types 4190 and 4966 alternatives) | 1/2" prepolarised free-field, Type 4966-Z-041, 50 mV/Pa; Outdoor Microphone Type 4952 optional |
| Detachable preamplifier (differs) | — | Yes | Yes | Yes |
| Outdoor microphone kit (differs) | — | — | — | Outdoor Microphone Type 4952 with windscreen UA-1700 |
| Weather sensors (differs) | — | — | — | Yes |
| Display (differs) | 240 x 320 transflective backlit colour LCD, 360-degree status light ring | 240 x 320 transflective backlit colour touchscreen | 240 x 320 transflective backlit colour touchscreen | 240 x 320 transflective backlit colour LCD, RGB status light ring |
| Battery (differs) | Li-ion, 6700 mAh (24 Wh) | Li-ion pack QB-0061, 3.7 V, 5200 mAh | Li-ion pack QB-0061, 3.7 V, 5200 mAh | Lithium, 6700 mAh (24 Wh) |
| Battery life (differs) | 13 h | 11 h | 10 h | 13 h |
| Weight (differs) | 370 g | 650 g | 650 g | 409 g |
| Dimensions (mm) (differs) | 260 x 68 x 37 including preamplifier and microphone | 300 x 93 x 50 including preamplifier and microphone | 300 x 93 x 50 including preamplifier and microphone | 281 x 68 x 37 with preamplifier and microphone |
| IP rating (differs) | IP55 | — | — | IP54 |
| Operating temperature (°C) (differs) | -25 to 70 | -10 to 50 | -10 to 50 | -25 to 70 |
| Connectivity and software | ||||
| Connectivity (differs) | USB-C, Ethernet over USB, WiFi 2.4 GHz, Bluetooth Low Energy, GPS | 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) | 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) | USB-C, Ethernet over USB, WiFi 2.4 GHz, Bluetooth Low Energy, GPS |
| Remote control (differs) | Noise Partner family mobile (iOS, Android) and PC apps; Open Interface BZ-7400 | Measurement Partner Field App, Measurement Partner Cloud | Measurement Partner Field App, Measurement Partner Cloud | HBK Partner apps (iOS, Android, Windows); Open Interface BZ-7400; automatic backup to USB or SMB share |
| Software (differs) | Noise 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) | 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 | 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, Two-channel option BZ-7229, FFT BZ-7230, Tone Assessment BZ-7231, Noise Monitoring BZ-7232, Sound Intensity BZ-7233 | Noise Partner (BZ-7300), Enviro Noise Partner (BZ-7301), Work Noise Partner (BZ-7302), Product Noise Partner (BZ-7303), Building Acoustics Partner (BZ-7350), Open Interface (BZ-7400), Advanced Logging (BZ-7450), Analysis-quality Audio (BZ-7451) |