Building Acoustic Partner

Together with HBK 2255 Sound Level Meter and HBK’s architectural sound sources, this solution is all you need for airborne, impact and façade sound insulation testing, from measurement to finished report.

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Building Acoustics partner for HBK 2255 Sound Level Meter

HBK 2255 Sound Level Meter with Building Acoustics Partner is designed specifically for building acoustics measurements. Lightweight and robust, HBK 2255 and its accessories are ideally suited for use on real-world building sites, where dust and debris are more commonplace than functioning elevators.

With the Building Acoustics Partner license installed, HBK 2255 can measure everything you need for sound insulation measurements, from 1/1- or 1/3-octave band level measurements to reverberation time measurements with interrupted or impulsive noise signals. Connecting the Building Acoustics Partner mobile app provides wireless remote control and full workflow support, while giving you complete freedom to adapt to conditions on site.

You can simultaneously measure source (L1) and receiving room levels (L2) by connecting two HBK 2255 Sound Level Meters to the app. This feature is designed to save time and enhance efficiency, especially when working in pairs.

Back in the office, the PC app makes short work of analysis and reporting.

Mobile App

The Building Acoustics Partner mobile app brings an entirely new level of efficiency and control to sound insulation measurements. Measurement planning and workflow automation in the mobile app help to ensure that you never miss a measurement position, while easy measurement reuse between partitions helps you to minimize the total number of measurements. We understand that plans often change due to site conditions on real-world projects, and the app makes it easy to alter the plan at any time.

PC App

Sound insulation testing projects don’t end when the last measurement is completed – the measurement data still needs to be analyzed and a report needs to be created. The Building Acoustics Partner PC app is designed to make these tasks as efficient as possible, while providing the maximum level of insight and confidence in your data.

User Scenarios

Measurement of:
- Airborne sound insulation
- Impact sound insulation
- Façade sound insulation
- Reverberation time
Calculation of sound insulation results according to national and international standards
Detailed analysis of sound insulation measurements, including manual adjustment of measured data for ‘what if’ analyses
Preparation of sound insulation test reports according to standards

Code	Name
-2255-B-SC-	SLM 2255 Building Ac. Partner w. 4231
-2255-B-S-	SLM 2255 Building Acoustics Partner
-2255-B-K01-	SLM 2255 Building Acoustics Kit (Airb)
-2255-B-KC2-	SLM 2255 Building Ac. Kit (A&I) w.4231
-2255-B-K02-	SLM 2255 Building Ac. Kit (Airb&Imp)
-2255-B-KC1-	SLM 2255 Building Ac Kit (Airb) w.4231

File	Description	Type	Languages
Building Acoustics Partner for HBK 2255 Sound Level Meter		Technical Document	English
HBK 2255 - Data sheet (bp2679)		Technical Document	English

Building Acoustic Partner
Number of inputs	Single channel
Standard	IEC 61672, ANSI S1.4, Other national standards
Sound field	Free field, Diffuse field
Polarization	None
Sensitivity [mV/Pa]	50 mV/Pa
Lower frequency [Hz]	5 Hz
Higher frequency [Hz]	20 kHz
Lower dynamic range [dB]	23.2 dB
Higher dynamic range [dB]	140.9 dB
Dimension (length x width x depth) [mm]	213 x 68 x 37 mm
Dimension (length x width x depth) [in]	8.2 x 2.7 x 1.5 in
Weight [kg]	367 kg
Weight [lb]	13 oz
Degree of protection	IP54
Display	240 x 320 dot
Operating time on battery [hrs]	13 h
Measurement storage [GB]	16 GB
Communication interface	USB, Bluetooth, WiFi
Analysis software	Signal Recording

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Building Acoustic Partner

Building Acoustics partner for HBK 2255 Sound Level Meter

User Scenarios

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