| 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) |