Home Products Alat Kualitas Udara Kebisingan & Getaran GA6226 Sound Level Meter (CASTLE)
GA6226 Sound Level Meter (CASTLE)

• Equivalent continuous level (Leq)
• 5 user selectable percentile values (Ln)
• Wide Linearity range of 100dB
• RS232 for data output to optional software
• Memory storage for 10,000 data-points
• Back-lit LCD display


Specifications for Castle 6226

Model Castle 6226
Description Integrating Sound Level Meter
Standards Conforms with IEC 61672-1:2002, Class 2, IEC 60651:1979 and IEC 60804:2000 Type 2
Measuring ranges 28 – 130dB(A), 33 – 130dB(C), 38 – 130dB(F)
Frequency range 20Hz – 8kHz
Microphone 7052N 1/2” electret condenser microphone
Time weighting FAST, SLOW
Peak range 50 – 133dB(A), 60 – 133dB(C), 70 – 133dB(F)
Level range Six ranges: 20 – 80dB, 20 – 90dB, 20 – 100dB, 20 – 110dB,30 – 120dB, 40 – 130dB
Linearity range 100dB
Frequency weighting A, C, FLAT
Measurement items Lp, LMH, Leq, LAe, Lmax, Lmin, Lx (L5, L10, L50, L90, L95), LPeak.
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 0.1s)
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 /data clear
Calibration signal Internal generator (1 kHz sine wave)
AC output 1Vrms (FS), output impedance: 600Ω, load impedance > 10kΩ
DC output 2.5V (FS), 0.25V/10dB, output impedance: 50Ω, load impedance > 10kΩ
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)