Exemplary hardness measures

It is designed to measure sound pressure in the air and is used in noise measuring equipment as a measuring transducer of infrasound, sound and ultrasonic pressure.

It is designed to measure sound pressure in the air and is used in noise measuring equipment as a measuring transducer of infrasound, sound and ultrasonic pressure.

The filter holder is designed to install an aerosol filter of the AFA type in it. It is used in sampling systems of gas-aerosol media at radiation-hazardous and other production facilities.

It is designed to measure sound pressure in the air and is used in noise measuring equipment as a measuring transducer of infrasound, sound and ultrasonic pressure.

Purpose: provision of connected equipment with constant voltage; conversion of the RS-485 interface to USB (version 01 only) data transmission via the RS-485 interface (version 02 only).

It is designed to measure sound pressure in the air and is used in noise measuring equipment as a measuring transducer of infrasound, sound and ultrasonic pressure.

characteristics The AK-1000 is recommended for use with OCTAVE-101A, OCTAVE-101AM, OCTAVE-110A, OCTAVE-110A-ECO, OCTAVE-121, OCTAPHONE-110, OCTAVE-201, ECOPHYSICS-110A sound meters. The AK-1000 can be used for calibration of acoustic measuring paths with VMK-205, MK-265, MR-201, M-201, MK-233 microphones, and other ½-inch microphones. technical specifications Reproducible ultrasound, dB (rel. 20 µPa): 94 and 114 The limits of the permissible basic error of the reproducible ultrasound, dB: ± 0.25 Limits of the permissible additional error of the ultrasound caused by a change in ambient temperature in the operating temperature range, dB: ± 0.08 Frequency of the reproduced sound pressure, Hz: 1000 Limits of the permissible basic relative error of reproduction of the sound pressure frequency, %: ± 0.7 Limits of the permissible additional relative error of the sound pressure frequency caused by a change in ambient temperature in the operating temperature range, %: ± 0.07 Coefficient of nonlinear distortion, %, not more than: 2.5 Weight (with batteries), kg, no more than: 0.250 Overall dimensions (length×diameter), mm, no more: 158×35 Operating conditions: - ambient temperature, ° C: from minus 10 to 50 - relative humidity (at 40 ° C), %, not more than: 90 - atmospheric pressure, kPa: from 65 to 108