Extech 407736 Dual Range Sound Level Meter with NIST

Item #:

EXT-407736-NIST

Brand:

Extech

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407736 Dual Range Sound Level Meter with NIST by Extech

A and C weighting
High and Low measuring ranges: Model 407735 - Low (35 to 100dB), High (65 to 130dB); Model 407736 - Low (35 to 90dB), High (75 to 130dB)
0.1dB resolution
Fast/slow response
Max Hold with reset button
Model 407736 meets ANSI and IEC 651 Type II standards
Large 0.5" 3-1/2 digit LCD display
Built-in calibration check (94dB)
Tripod mount and analog DC/AC conditioned outputs of 10mV/dB
Utilizes 0.49"(12.3mm) condenser microphone
Dimensions: 9.5 x 2.7 x 1" (241 x 69 x 25mm) Weight: 7.6 oz (215g)
Complete with hard vinyl case and 9V battery

Display	3-1/2 digit (2000 count) LCD
Display update rate	0.5 seconds
Microphone	0.5" Electret condensor
Measurement Bandwidth	31.5Hz to 8KHz
Dynamic range	55dB
Measurement Range	35 to 130dB (Low: 35 to 100; High: 65 to 130dB)
Frequency weighting	'A' and 'C' (selectable)
Applicable standards	IEC-651 & ANSI S1.4 Type 2
Accuracy / Resolution	± 1.5dB / 0.1dB
Maximum Hold decay time	<1dB / 3min
Response time	Fast: 125 milliseconds / Slow: 1 second
Calibration source required	1KHz internal sine wave @ 94dB signal is electrical and is injected after the microphone
AC Analog output	0.65VAC rms (full scale); 600Ω output impedance
DC Analog output	10mVDC / dB; 100Ω output impedance (approx).
Power	9V Battery
Battery life	50 hours (typical); Low battery indicator alerts user
Operating temperature	0 to 40°C (32 to 104°F)
Operating humidity	10 to 90% RH
Dimensions/weight	240 x 68 x 25mm (9.45 x 2.68 x 1”)/ 210g (6.75oz)