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9340.001 - Sound level meter
Large LCD display, easy to read.
Frequency weighting networks are deigned to meet IEC 651 type 2.
A & C weighting networks are conformity to standard.
Time weighting (FAST & SLOW) dynamic characteristic modes.
AC/DC output for system expansion.
Built in calibrator VR on front panel.
MAX HOLD function for storing the maximum value on display.
Warning indicator for over and under load.
Small, light weihght design allows hand operation.

Technical features
Display: 18mm LCD, 3.5 digits
: dB (A & C frequency weighting), Time weighting (FAST & SLOW), MAX HOLD, AC & DC output.
Measuring range: A (3 ranges) from 30 to 130dB, C (3 ranges) from 30 to 130dB
Resoluction: 0.1dB
Accuracy: ±1.5dB at 1KHz (after calibration) 235C Meet IEC 651 type 2, calibrating input signal of 94dB, frequency range 31.5KHz to 8KHz
Frequency: from 31.5 to 8,000 KHz
Microphone: condenser microphone, 12.7mm diameter
Weighting network: A & C
Range selector: 3 ranges (from 30 to 80dB, from 50 to 100dB, from 80 to 130dB) with over and under range indicator.
Time weighting: FAST t=200ms (simulates the human ear), SLOW t=500ms (gives the average value)
Calibration: B&K (Bruel & Kjaer) multifunction acoustic calibrator 4226
Output signal: AC 0.5Vrms corresponding to each range step, DC from 0.3 to 1.3 Vdc 10mV per dB (Rout=600 Ω)
Operating temperature: from 0 to 50ºC
Power supply: DC 9V battery, 6mA of current consumption.
Dimensions: 255x70x28mm
Weight: 280g

9340.001 Sound level meter type 2 (plastic carryng case included)
9340.005 Calibrator (94dB output)

Calibrator (optional)
Acoustic level pressure: 94 0.8 dB
Frequency: 1000Hz 5%
Microphone: 1.5"


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