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Extech 407736 Sound Level Meter, 1.5dB Accuracy

Model: 407736

MFG Part# 407736
GTS Price $279.99
Inventory Ships in 2-3 Weeks



Extech 407736 - Digital Sound Level Meters

Digital Sound Level Meters

Two models for general purpose and high accuracy Type II measurements

With 1.5dB or 2dB accuracy

Key Features:

  • 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
Response time Fast: 125 milliseconds / Slow: 1 second Built-in calibration check 1KHz internal sine wave @ 94dB AC Analog output 0.65VAC rms (full scale); 600 Ω output impedance DC Analog output 10mVDC / dB; 100 Ω output impedance (approx). Power 9V Battery Battery life 50 hours (typical); Low battery indicator alerts user Operating temperature 32 to 104°F (0 to 40°C) Operating humidity 10 to 90% RH Dimensions/weight 9.45 x 2.68 x 1” (240 x 68 x 25mm) / 6.75oz (210g) Response timeFast: 125 milliseconds / Slow: 1 secondBuilt-in calibration check1KHz internal sine wave @ 94dBAC Analog output0.65VAC rms (full scale); 600 Ω output impedanceDC Analog output10mVDC / dB; 100 Ω output impedance (approx).Power9V BatteryBattery life50 hours (typical); Low battery indicator alerts userOperating temperature32 to 104°F (0 to 40°C)Operating humidity10 to 90% RHDimensions/weight9.45 x 2.68 x 1” (240 x 68 x 25mm) / 6.75oz (210g)Response timeFast: 125 milliseconds / Slow: 1 secondBuilt-in calibration check1KHz internal sine wave @ 94dBAC Analog output0.65VAC rms (full scale); 600 Ω output impedanceDC Analog output10mVDC / dB; 100 Ω output impedance (approx).Power9V BatteryBattery life50 hours (typical); Low battery indicator alerts userOperating temperature32 to 104°F (0 to 40°C)Operating humidity10 to 90% RHDimensions/weight9.45 x 2.68 x 1” (240 x 68 x 25mm) / 6.75oz (210g)
General Specifications
Display3-1/2 digit (2000 count) LCD
Display update rate0.5 seconds
Microphone0.5” Electret condensor
Measurement Bandwidth31.5Hz to 8KHz
Dynamic range55dB
Measurement Range35 to 130dB (Low: 35 to 90; High: 75 to 130dB)
Frequency weighting‘A’ and ‘C’ (selectable)
Applicable standardsIEC-651 & ANSI S1.4 Type 2
Accuracy / Resolution± 1.5dB / 0.1dB
Maximum Hold decay time

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Calibration Lab


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