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Standards: IEC 61672-1:2013; IEC 61252 ed1.2 (2017), ANSI/ASA S1.25-1991 (R2020), IEC 61010-1:2010, ANSI/UL 61010-1 and CAN/CSA C22.2 No 61010-1; ATEX/IECEx: IEC 60079-0 ed7.0 (2017), IEC 60079-11 ed6.0 (2011), CAN/CSA C22.2 No 60079-0, CAN/CSA C22.2 No 60079-11, ANSI/UL 60079-0, ANSI/UL 60079-11
Hazardous Locations Markings: I M1 Ex ia I Ma; II 1G Ex ia IIC T4 Ga, -10 °C < Tamb < +50 °C
NRTL Device Marking: cQPSus, Ex ia IIC T4 Ga, Class I, Zone 0, AEx ia IIC T4 Ga
NRTL Certification For USA And Canada: Pending
Weighting Filters: A, C and Z
Time Constants: Slow, Fast, Impulse
Exchange Rates: 2, 3, 4, 5, 6
Microphone: ST 104B MEMS microphone, 1/2” housing, patented
Linear Operating Range: 53 dBA Leq ÷ 143 dBA Peak (in accordance to IEC 61672)
Dynamic Measurement Range: 46 dBA Leq ÷ 143 dBA Peak (typical from noise floor to the maximum level)
Frequency Range: 20 Hz ÷ 10 kHz
Dynamic Range: 100 dB
Measurement Results: Run Time (TIME), Lpeak, Lmax, Lmin, L, DOSE (%), D_8h, PrDOSE, Leq, LAV, LE, SEL8, E, E_8h, LEPd, PSEL, Ltm3, Ltm5, Lstat, PTC, PTP, ULT, TWA, PrTWA, Lc-a, OVL, No Motion Time
Measurement Profiles: 3 with independent settings of filters (x) and time constants (y)
Data Logger: Summary results for the measurement time and time-history logging of Leq/Max/Min/Peak with adjustable logger step down to 1 s
1/1 Octave Analysis (option): Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 31.5 Hz to 8 kHz
1/3 Octave Analysis (option): Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 20 Hz to 10 kHz
Audio Recording (option): Audio events recording, trigger and continuous mode, 12 kHz or 24 kHz sampling rate, WAV format
Voice Comments: Audio records on demand, created before or after measurement, added to measurement file
Memory: 8 GB
Display: OLED 128 × 64 pixels
Keyboard: 3 push buttons
Communication Interfaces: Bluetooth® 5.2, electrical contacts (docking station required)
Power Supply: Li-Ion rechargeable cell, operation time 45 hours¹
Environmental Conditions: Temperature from -10 °C to 50 °C, humidity up to 95 % RH, non-condensed
Dimensions: 88 × 49.5 × 19.2 mm
Weight: 140 grams








