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Extech | 407790A

Class 2 sound level meter, octave band analyzer, 25Hz-10kHz

Extech
Reference : EXT407790A
Purchase Order Reference : 407790A
Brand : Extech
Sonomètre intégrateur de classe 2 avec analyse en bandes d'octaves et 1/3 octaves.
Conforme aux normes: IEC 61672-2013 and ANSI/ASA S1.4/Part 1, IEC 61260-1: 2014 Class 2, ANSI S1.11: 2004 Class 2, ANSI S1.43: 1997 Type 2.
Gamme de mesures: 25 à 130dB.
Gamme de fréquences: 25Hz à 10kHz.
Pondérations: A, C et Z.
Fonctions de mesures: Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95.
Ecran couleur LCD TFT 3.5" rétro-éclairé.
Mémoire sur carte uSD.
Logiciel d'analyse sur PC fourni.
Microphone détachable, câble d'extension en option.
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SpecificationsRange
Applicable standards

±1dB high accuracy meets Class 2 standards (IEC 61672-2013 and ANSI/ASA S1.4/Part 1).

IEC 61260-1: 2014 Class 2. ANSI S1.11: 2004 Class 2. ANSI S1.43: 1997 Type 2

Accuracy±1.5dB (ref 94dB @ 1kHz)
Measurement functionsLp. Leq. LE. Lmax. Lmin. L05. L10. L50. L90. L95.
Frequency range25Hz ~ 10kHz
Frequency WeightingA. C. and Z
Time WeightingFast. Slow. 10ms (τ). I
Display3.5" (89mm) 320x240 TFT color backlit LCD; Displays 1/1. 1/3. and 1/1 & 1/3
1/1- 1/3 Analyzer level range5 ranges in 10db steps: 20 to 90dB. 20 to 100dB. 20 to 110dB. 30 to 120dB. 40 to 130dB
1/1 Octave and 1/3 Octave

1/1 Octave band center frequencies: (9 bands);

1/3 Octave band center frequencies: (27 bands)

Signal outputAC output: 1 Vrms (at full scale); DC output: 3.0V. 25mV/dB
MemorymicroSD card (included)
Measurement Time1s to 23h 59m 59s
PowerFour type C size 1.5V batteries. External DC power: 6V. 1A
Dimensions/Weight13.6 x 3.9 x 2.4" (345 x 100 x 60mm)/ 33.5oz (950g)

Product Details
41-Standard Manufacturer Warranty 2 YEARS
295-Accuracy class (Meets IEC 61672-1) Class 2
660-Integrator Yes
661-Recorder Yes
663-Memory SD Card
665-Spectrum decomposition by octave bands Yes
127-Resolution (dB) nc
45-PC interface USB | analog output
122-Frequency Weighting (Type) A (Human) | C (Industrial) | Z (Zero)
296-Parameter measured Equivalent sound level - Leq | Level of maximum instantaneous sound pressure - Lmax | Level of minimum instantaneous sound pressure - Lmin
126-Max Sound Frequency Range (Hz) 10 kHz
125-Min Sound Frequency Range (Hz) 25 Hz
123-Min Measurement Range (dB) 25 dB
124-Max Measurement Range (dB) 130 dB
132-Package includes 4 AA batteries, uSD card, wind screen for microphone, screwdriver, AC adapter, PC software, USB cable, carrying hardcase, user manual
35-Dimension (HxWxD) (mm) 345x100x60 mm
13-Net Weight 950 g
653-Windows compatible Yes
654-iOS compatible No
655-Android compatible No
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