Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
- Applicable Standards:
IEC 61672-1:2013 Class 1
IEC 61672-1:2002 Class 1
IEC 60651:2001 Type 1 I
IEC 60804:2000 Type 1
IEC 61252:1993 Personal Sound Exposure Meters
ANSI S1.4 -1983 (R2006), ANSI S1.43 - 1997 (R2007)
ANSI S1.25:1991
1:1 & 1:3 Octave Band Filters to IEC 61260 & ANSI S1.11-2004
- Type Approvals for Class 1 Instruments:
LNE-25387-1 IEC 61672-1:2013
NF EN 61672-1:2014
IEC 61260:1996
NF EN 61260:1996
LNE-25387-0
EN 61672-1:2003
PTB-1.53-4052960 DIN EN 61672-1:2003-10
DIN EN 61672-2:2004-08
DIN 45657:2005-03
Applus+ 02-001-B-62/13-R
UNE-EN 61672-1:2005
- Microphone: Class 1 MK:224 pre-polarized
- Microphone Preamplifier: MV:200 Removable Preamplifier (All versions)
- Total Measurement Range:
20dB to 140dB RMS Single Range
Noise Floor: <21dB(A) Class 2
- Frequency Weightings: RMS & Peak : A, C, & Z Measured Simultaneously
- Frequency Bands: 10 x 1:1 Octave Bands (31.5Hz to 16kHz)
- Frequency Bands: 36 x 1:3 Octave Bands Measured (6.3Hz to 20kHz)
- Frequency Bands: 33 x 1:3 Octave Bands Displayed (12.5Hz to 20kHz)
- Additional Metrics: LAeq LF (20Hz to 200Hz) & Leq LF (20Hz to 200Hz)
- Time Weightings: Fast, Slow & Impulse Measured Simultaneously
- Display: High resolution OLED display. Ambient light sensor & illuminated keypad
- Memory: 4GB with 32GB factory fit option
- AuditStore: Measurement verification data stored in secure memory
- Time History Data Rates (Global settings): 10ms, 62.5ms, 125ms, 250ms, 1/2 sec, 1 sec, 2 sec (User selectable)
- VoiceTag Audio Recording: Up to 30 seconds of audio notes with each measurement
- Acoustic Fingerprint Audio Recording:
Off, Manual, Threshold Triggered, Advanced Trigger
User options:
Studio Quality - 96kHz/32bit WAV format
Standard quality - 16kHz/16bit WAV format
Pre-Trigger function
- Integrators:
Three simultaneous "virtual" noise meters. Integrator 1 is preset to Q3 for Leq functions. Integrators 2 & 3 can be configured with the following:
Exchange Rate: 3, 4 or 5 dB
Threshold: 70dB to 120dB (1 dB steps)
Time Weighting: None or Slow
Criterion Level: 70dB to 120dB (1 dB steps)
Criterion Time: 1 to 12 hours in 1 hour steps
- Integrator Quick settings:
EU, OSHA HC & OSHA NC, OSHA HC & ACGIH, MSHA HC & MSHA EC, Custom 1 & Custom 2
- Ln Statistical Values:
14 independent statistical Ln values calculated from 1/16th LAF
7 preset to L1.0, L5.0, L10.0, L50.0, L90.0, L95.0 & L99.0
7 user defined Ln values. CR:172C & CR:171C allow for an additional 14 Ln values with independent time and frequency weighting.
- Measurement control:
Measurement control with user selectable duration of manual, 1 min, 5 min, 10 min, 15 min,30 mins, 1 hour, Lden
Automatic Synchronisation & Repeat
Pause & Back Erase with user selectable duration
- Dimensions:
Size: 283mm x 65mm x 30mm
Weight: 300gms/10oz
- Batteries: 4 x AA Alkaline
- Battery life:
Typically 12 hours with Alkaline AA
Typically 20 hours with Lithium AA Non-Rechargeable
Battery life is dependent upon the battery type, quality & screen brightness
- Connections:
USB Type B to PC
AC & DC Output via ZL:174 (2 x Phono, 1m)
Multi-pin IO for external power via ZL:171 cable (2.1mm socket)
External Power: 5v-15v via MultiIO socket via ZL:171 cable (2.1mm socket)
- Tripod Mount: 1/4" Whitworth socket
- Case: Material: High Impact ABS-PC with soft touch back & keypad
- Environmental:
Temperature: Operating -10°C to +50°C, Storage -20°C to +60°C
Humidity: Up to 95% RH Non Condensing
- Measurement Functions:
- Displayed Functions:
LXY, LXYMax, LXYMin, LXeq, LCPeak, LAPeak, LZPeak, LCeq-LAeq, LXE, LAIeq
Graph of Short LAeq, LCPeak
Integrators 2 & 3: TWA, Dose%, Est Dose%
Real-Time 1:1 Octave Bands (Graphical & Numeric)
Real-Time 1:3 Octave Bands (Graphical & Numeric)
NR & NC values & curves
Measurement Run Time
Integrators 2 & 3: TWA, Dose%, Est Dose%
Leq LF (20Hz to 200Hz)
14 Statistical Ln values
- Stored Functions:
LXYMax & Time History of LXYMax
LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Time History of LAeq, LCeq, LZeq, LCPeak, LZPeak, LAPeak, LAIeq
Integrators 2 & 3: LAVG , TWA. %Dose
Time History of LAVG
1:1 & 1:3 Octave Bands:Overall Leq & Leq Time History for each band, NR & NC values & curves
Ln Values: 14 independent statistical values
Audio recording during measurement
