Specifications

Full noise measurement and reporting specifications are covered in the Noise Sentinel Product Data BP 2389. The following specifications relate to Directional Noise Monitoring only. 

OVERALL NOISE MEASUREMENT

Measurement Range: 30 to 143 dB(A) 

Maximum Level: 143 dB(A) 

Noise Floor: 26 dB(A) 

Resolution: 0.1 dB 

Frequency Range: 1 Hz to 12.5 kHz 

Frequency Weighting: A or Lin Accuracy: IEC 61672 Type 1

DIRECTIONAL NOISE MEASUREMENT

Frequency Range: 100 Hz to 8 kHz 

Directional Range: 0 to 360° 

Directional Resolution: 5° 

Directional Accuracy: 10°

NOISE ALERTS

Trigger: Leq or Ln overall or in angle of interest 

Alert Recording: 15 seconds 

Alert Output: Overall Leq or Ln All sources Leq or Ln Directional Plot Audio Recording Time of Day

REPORTING

Recording Interval: 1 second to 24 hours 

Reporting Duration: 1 minute and beyond

COMMUNICATIONS 

Standard communication via Ethernet LAN connection. 

Optionally 3G wireless digital data communications router. Proprietary digital data networks may be utilised where these exist

POWER

Mains power: 110 to 240 V AC, 50 to 60 Hz 

External Power: 12 V DC 

Power:<40W

PHYSICAL (Standard Configuration)

Dimensions: 25.4 × 11.75 × 10.80 cm (10 × 4.63 × 4.25′′)

Weight: 2.27 kg (5 lb)

Operating Temperature: –40 to +50°C (–40 to +122°F)

APPLICABLE STANDARDS

There are no international standards relating to directional noise measurement. However, measurement is according to IEC 61672 Type 1, except for directionality requirements

CALIBRATION

Calibration Interval: 12 months 

OTHER

Electrical Standards: CE Class B (IEC 61000–4–2 to IEC 4–6 and IEC 4–11, 1994–1996)

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Brüel & Kjær Sound & Vibration Measurement A/S. P +45 77 41 20 00. F +45 45 80 14 05. info@bksv.com
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