Máy đo độ ồn công nghiệp Castle 01GA6226

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Máy đo độ ồn công nghiệp Castle 01GA6226

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Máy đo độ ồn công nghiệp Castle 01GA6226


Standards GA6224 : Conforms with IEC 61672-1:2002 Class 1, IEC 60651:1979 and IEC 60804:2000 Type 1 Microphone GA6224 : 7146N 1/2" electret condenser microphone Standards GA6226 : Conforms with IEC 61672-1:2002 Class 2, IEC 60651:1979 and IEC 60804:2000 Type 2 Microphone GA6226 : 7052N 1/2" electret condenser microphone

Measuring Ranges 27 - 130dB(A), 38 - 130dB(C), 41 - 130dB(F)
Frequency Ranges 20Hz - 20kHz
Time Weighting FAST, SLOW, IMPULSE
Peak Range 50 - 133dB(A), 60 - 133dB(C), 70 - 133dB(F)
Level Range 20 - 80dB, 20 - 90dB, 20 - 100dB, 20 - 110dB, 30 - 120dB, 40 - 130dB
Linearity Range 90dB
Frequency Weighting A, C, FLAT
Measurement Items Lp, LMH, Leq, LAe, Lmax, Lmin, Lx (L5, L10, L50, L90, L95), Peak
Measurement Time 1s, 3s, 5s, 10s, 1min, 5min, 10min, 15min, 30min, 1h, 8h, 24h manual (max: 199h 59m 59s)
Sampling Interval 20.8µs (Leq), 10ms (Lmax, Lmin)
Lx Sampling Interval 100ms
Display LCD with backlight (128×64 dots)
Digital Display Four line, resolution 0.1dB (display update 1s)
Bar Display Display update: 0.1s
Warning Over range: +3dB from upper limited scale
Under Range -0.6dB from lower limited scale
Battery Display Four level display of battery condition
Built-In Memory Approximately 10, 000 samples: 1, 000 sets of results
Built-In Calendar Year/month/day/ hour : minute : second
Pause Pause and a function that deletes preceding 3 or 5 sec. data
Calibration Signal Internal generator (1 kHz sine wave)
AC Output 1Vrms (FS), output impedance: 600O, load impedance > 10kO
DC Output 2.5V (FS), 0.25V/10dB, output impedance: 50O, load impedance > 10kO
RS232 Interface RS-232C (asynchronous); data bits : 8 bits; stop bit : 1 bit; parity : none; baud rate : 4800, 9600, 19200 bps
Power Supply Four 1.5V size-AA batteries or AC adapter
Battery Life Alkaline batteries: 20 hours continuous operation. Use of LCD backlight will shorten battery life (approximately 1/3)
Operating Temperature -10 to +50°C
Humidity 30% to 90% (without condensation)
Size 85(W) × 287(H) × 46(D) mm
Weight 370g (including batteries)


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