Intensity Probes

The GRAS intensity probes comprise two closely spaced, face-to-face microphones and a set of 1/4-inch preamplifiers as well as a control handle. The 1/2-inch and 1/4-inch intensity microphone pairs have been carefully manufactured and selected to have minimum phase difference.
GRAS 50AI-B 1/2" LEMO Intensity Probe

Freq range: Ref. IEC 61043 Class 1
Dyn range: 25 dB(A) to 152 dB
Sensitivity: 25 mV/Pa

GRAS 50AI-B 1/2" LEMO Intensity Probe

The GRAS 50AI-B Sound-intensity Probe builds on more than 20 years of theory and practical experience in sound-intensity measurements. It is adjustable, durable and fully complies with the requirements in IEC 61043, Electroacoustics- Instruments for the Measurement of Sound Intensity- Measureme..

GRAS 50AI-C 1/2" LEMO Intensity Probe
Freq range: Ref. IEC 61043 Class 1 Dyn range: 25 dB(A) to 152 dB Sensitivity: 25 mV/Pa

GRAS 50AI-C 1/2" LEMO Intensity Probe

The GRAS 50AI-C Sound-intensity Probe builds on more than 20 years of theory and practical experience in sound-intensity measurements. It is adjustable, durable and fully complies with the requirements in IEC 61043, Electroacoustics- Instruments for the Measurement of Sound Intensity- Measureme..

GRAS 50AI-D 1/2" LEMO Intensity Probe

Freq range: Ref. IEC 61043 Class 1
Dyn range: 25 dB(A) to 152 dB
Sensitivity: 25 mV/Pa

GRAS 50AI-D 1/2" LEMO Intensity Probe

The GRAS 50AI-D Sound-intensity Probe builds on more than 20 years of theory and practical experience in sound-intensity measurements. It is adjustable, durable and fully complies with the requirements in IEC 61043, Electroacoustics- Instruments for the Measurement of Sound Intensity- Measureme..

GRAS 50AI-L 1/2" CCP Intensity Probe

Freq range: Ref. IEC 61043 Class 1
Dyn range: 25 dB(A) to 152 dB
Sensitivity: 12.5 mV/Pa

GRAS 50AI-L 1/2" CCP Intensity Probe

The GRAS 50AI-L 1/2" CCP Intensity Probe is a general purpose sound intensity probe with remote control and direct connection to LMS data acquisition modules with ICP inputs...

GRAS 50AI-LP 1/2" CCP Rugged Intensity Probe

Freq range: IEC 61043 Class 1
Dyn range: 25 dB(A) to 152 dB
Sensitivity: 12.5 mV/Pa

GRAS 50AI-LP 1/2" CCP Rugged Intensity Probe

The GRAS 50AI-LP 1/2" CCP Rugged Intensity Probe is an industrial sound intensity probe in a very robust design that makes it suitable for use in heavy industrial environment. The probe has remote control and direct connection to LMS data acquisition modules with ICP inputs...

GRAS 50GI CCP Intensity Probe

Freq range: Ref. IEC 61043 Class 1
Dyn range: 27 dB(A) to 163
Sensitivity: 12.5 mV/Pa

GRAS 50GI CCP Intensity Probe

GRAS 50GI is a sound intensity probe for direct connection to signal analyzers or data acqusition devices with IEPE inputs. The probe includes a pair of phase-matched prepolarized precision microphones which meet the requirements in IEC standard 61043 for a class-1 intensity probe. The small ru..

GRAS 50GI-P CCP Rugged Intensity Probe

Freq range: IEC 61043 Class 1
Dyn range: 27 dB(A) to 163 dB
Sensitivity: 12.5 mV/Pa

GRAS 50GI-P CCP Rugged Intensity Probe

Type 50GI-P is a sound intensity probe for direct connection to signal analyzers or data acqusition devices with IEPE inputs. The probe includes a pair of phase-matched prepolarized precision microphones which meet the requirements in IEC standard 61043 for a class-1 intensity probe...

GRAS 50GI-R CCP Intensity Probe with Remote Control

Freq range: IEC 61043 Class 1
Dyn range: 27 dB(A) to 163 dB
Sensitivity: 12.5 mV/pa

GRAS 50GI-R CCP Intensity Probe with Remote Control

The 50GI-R is a sound intensity probe for direct connection to signal analyzers or data acquisition devices with IEPE inputs. The probe includes a pair of phase-matched prepolarized precision microphones which meet the requirements in IEC standard 61043 for a class-1 intensity probe. The small rugge..

GRAS 50GI-RP CCP Rugged Intensity Probe

Freq range: IEC 61043 Class 1
Dyn range: 27 dB(A) to 163 dB
Sensitivity: 12.5 mV/Pa

GRAS 50GI-RP CCP Rugged Intensity Probe

Type 50GI-RP is a sound intensity probe for direct connection to signal analyzers or data acqusition devices with IEPE inputs. The probe includes a pair of phase-matched prepolarized precision microphones which meet the requirements in IEC standard 61043 for a class-1 intensity probe....

GRAS 50VI-1 Vector intensity probe

Freq range: IEC 61043 Class 1
Dyn range: 25 dB(A) to 152 dB
Sensitivity: 25 mV/Pa

GRAS 50VI-1 Vector intensity probe

The GRAS 50VI-1 Vector Intensity Probe is a flexible and adjustable, two or three-dimensional sound-intensity probe. The probe handle has marked inputs for 3 pairs of preamplifiers (a pair for each of the mutually-perpendicular directions) and a 24-pin LEMO output socket at its base for connecting i..