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Applicable standards
Class 1 or Class 2 Group X
Type 1 I or Type 2 I
ANSI S1.4 -1983 (R2006)
ANSI S1.43 - 1997 (R2007)
1:1 octave band filters: Class 1 or Class 2
1:3 octave band filters: Class 1 or Class 2
Microphone: ½" MK:224 pre-polarised free-field electret
Microphone preamplifier: MV:920
Measurement range: 20 to 140dB RMS in a single range
Noise floor: <19dB(A) Class 1
Frequency weightings:
RMS: A, C, & Z measured simultaneously
Peak: A, C, & Z measured simultaneously
1:1 octave bands: 31.5Hz to 16kHz
1:3 octave bands: 6.3Hz to 20kHz
Time weightings: Simultaneous Fast, Slow and Impulse
Measurement control: User-definable scheduled measurements and
user-selectable 5min, 15min, 30min, 1hr repeat timers
Time history: User selectable 10ms, 100ms, 500ms, 1 sec
Live data view:
Noise at work (LAF, LAeq & LCPeak)
Environmental (LAF & LAeq)
Custom (LAeq, LCeq, LAFMax, LASMax,
LCPeak & LZPeak)
Live data rate: 1 sec
Stored values:
LAeq, LCeq, LZeq, C-A, LAE, LEX8, LAFMax,
LASMax, LCPeak, LZPeak, LAF1, LAF5, LAF10,
LAF50, LAF95, LAF99, LAeqT1 & LAeqT2
1:1 octave bands: 31.5Hz to 16kHz
1:3 octave bands: 6.3Hz to 20kHz
Time history of 1:1 & 1:3 octave bands
Audio quality:
Standard (16bit/16kHz)
High (24bit/48kHz)
Integrators: User-selectable dual integrators OSHA HC,
OSHA PEL, MSHA HC, MSHA PEL, ACGIH,
Custom A and Custom B)
System Integrity Check (SIC): Three frequency single level charge injection
500Hz, 4kHz and 8kHz
Dimensions: 200 x 850 x 122mm (7.8 x 33.5 x 4.8”)
Weight: 5kg (11 lbs)
Power: PoE IEEE 802.3af-2003 37V – 57V DC 12V – 18V DC 1.5A
Power consumption: <8w
Network connections
4G with 3G fallback factory fitted with
industrial multi-network SIM
Ethernet
Dual-band WiFi (2.4GHz and5GHz)
Bluetooth®
Temperature: Operating: -10 °C to +50 °C; Storage: -20 °C to +60 °C
