Norsonic Nor265 Microphone Boom and Turntable

SKU: Nor265

Overview

The Nor265A microphone boom/turntable may be used as a stand-alone device to obtain the spatial average of sound level by moving a measurement microphone back and forth continuously.

Applications

Building Acoustic measurements in accordance with ISO 10140
Reverberation Time measurements in accordance with ISO 354
Sound Power measurements in accordance with ISO 3740
Directional Response measurements of loudspeakers and microphones

Features

Oscillating microphone boom for spatial averaging in building acoustics or sound power measurements.
Building Acoustics measurements in accordance with ISO 10140 and ISO 16283.
Reverberation Time measurements in accordance with ISO 354.
Sound Power measurements in accordance with ISO 3740 series.
Directional Response measurements of loudspeakers and microphones.
Accurate positioning.
Sweep of ±90º and ±180º.
Direct control or remote control from a PC via LAN interface.
User defined sweeps. Selectable sweep times.
Supported by Nor850.
LAN interface.
Nor265A may be equipped with a turntable (optionally).

Specifications

Mounting: Tripod which allows inclined traverse plane
Diameter of tripod mounting stud: 3/8”
Main axle dimension:
- Outer diameter: 30 mm
- Inner diameter: > 22 mm
Units to be mounted on turn axle:
- Microphone boom (option 1)
- Turn table plate – diameter: 300 mm (option 2)
- Chuck (2 – 13 mm) (option 2)
Boom radius: 0.8 – 2 m (continuously adjustable)
Rotation angle:
- Programmable / any angle.
- May also be set to rotate continuously at a specified direction and speed
Resolution: 0.01°
Angle accuracy (no torque):
- Maximum 0.8°
- Within 0.05° if moved in the same direction
Max load (any direction): 500 N
Max torque loading: 1.6 Nm
Typical error from loading torque: 0.3 deg/Nm
Power supply: 85-264VAC / 47-63Hz
Fuses: 2.5 A slow blow (IEC 60127)
Remote operation: LAN
Noise emission: Less than 10 dBA (at rest)
Typical noise A-weighted:
- 40 dB at 5 sec/rev
- 27 dB at 10 sec/rev
- 23 dB at 20 sec/rev
- The noise is measured in an anechoic chamber with the moving microphone placed on the boom – 1,5 m from the main body
Temperature range: -10 to 50 °C
Humidity: 0 – 90 %RH

Norsonic Nor265 Microphone Boom and Turntable

SKU: Nor265

The Nor265A microphone boom/turntable is used to obtain the spatial average of sound level by moving a measurement microphone back and forth continuously.