מד רעש 30-130 דציבל אלקטרוני Sound Test Master

₪1,319.00

Measurement of noise levels with frequency weighting filter according to dB (A) and dB (C)standard curves
Selectable time weighting factors (fast 125 ms/slow 1 s) for optimum adaptation to noise dynamics
Long-term recording function with 16000 storage points or real-time logging on PC
Selectable analogue indicator for visual assessment
Calibrated and adjusted by means of standard 94 dB/1 kHz noise level calibrator
Sensitive electret condenser microphone with detachable wind guard
Analogue outputs: DC and AC
PC software
Illuminated, clearly arranged display

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ניתן להזמנה מראש

NOISE LEVEL	30 … 130dB(A): Resolution 0.1%, accuracy ±1.5 dB 35 … 130dB(C): Resolution 0.1%, accuracy ±1.5 dB
Frequency range:	31.5Hz … 8000 Hz
Dynamic range:	50dB
Test condition:	94 dB, 1 kHz sine signal
MEASURING RANGES	30dB … 80dB 40dB … 90dB 50dB … 100dB 60dB … 110dB 70dB … 120dB 80dB … 130dB
VOLTAGE OUTPUT	AC: 0.707 Vrms at full defl ection approx. 600 ohm output impedance DC: 10 mV/dB approx. 100 ohm output impedance
DATA MEMORY	16000 measuring points
INTERFACE	Opto-insulated RS232
POWER SUPPLY	6 x 1.5V AAA alkali, (LR03)
DC-ADAPTER	9V DC, < 100 mV ripple > 100 mA current consumption
DIMENSIONS	245 x 80 x 35mm
WEIGHT	0,35 kg