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Applicable Standard | JIS 1502. IEC 651.804 Type 2 | ||||||||||||||||||
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Measuring Range | 28 to 130dB (A), 33 to 130dB (C), 38 to 130dB (F) | ||||||||||||||||||
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Measuring Frequency | Range: 20 Hz to 8 KHz | ||||||||||||||||||
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Microphone | 7052N (1/2 Electric condenser microphone) | ||||||||||||||||||
| Level Range Control | 10dB 6 steps | |||||||||||||||||||
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Linearity Range | 100dB | ||||||||||||||||||
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Response | Fast, Slow, Impulse | ||||||||||||||||||
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Frequency Weighting | A, C, Flat | ||||||||||||||||||
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Measurement Parameters |
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Response Time For Constant Input Signal | 1, 3,
5, 10 sec., 1, 5, 10, 15, 30 min., 1, 8, 24 hours Manual (Max. 199h 59m 59s) |
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Sampling Time | 20.8 u s (Leq), 10ms (Lmax, Lmin) | ||||||||||||||||||
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Lx Sampling Time | 100ms | ||||||||||||||||||
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Display | |||||||||||||||||||
| Type | Liquid crystal and Back light (128x64 points) | |||||||||||||||||||
| Digital | 4 digits, Display Period : 1s | |||||||||||||||||||
| Bar Warning | Display Period : 0.1s | |||||||||||||||||||
| Warning | Over : + 10dB from upper limited
scale Under : - 0.6dB from lower limited scale |
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| Battery | 4 steps display | |||||||||||||||||||
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Memory | Memorize the Sound pressure level or the Operation level (Approx. 15,000 data) | ||||||||||||||||||
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Data | Built-in (year/month/day/hour:minute:second) | ||||||||||||||||||
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Pause | pause/data clear | ||||||||||||||||||
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Calibration | Electric calibration with internal oscillator (1 kHz Sine wave) | ||||||||||||||||||
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AC Output | 1Vrms for full scale. Output impedance: 600 Ohm, resistance: more than 10 kOhm | ||||||||||||||||||
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DC Output | 2.5V
for full scale, 0.25V/10dB Output impedance: 50 Ohm, resistance: more than 10 kOhm |
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I/O Terminal | Interface : RS-232C Data : 8 bits, Stop 2 bits, Parity : not, Baud rate : 4800. 9600, 19200, bps (direct output to printer, control and output data to computer) | ||||||||||||||||||
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Battery, Type | Four 1.5V Alkaline cells IEC type LR6, or Optional AC Adapter | ||||||||||||||||||
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Battery, Life | Alkaline
dry cell: Approx. 24 hours. Manganese dry cell: Approx. 11 hours. Approx. 1/3 of life when switch on back light. |
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Operating Temp. Range |
Temperature
: - 10oC ~ 50oC Humidity : 30% to 90% (not condensing) |
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Dimensions | 85(W) x 284(H) x 48(D) mm | ||||||||||||||||||
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Weight | Approx. 370g | ||||||||||||||||||
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Option accessories | AC
Adapter(AC-1026), Tripod (NA-0333), Extension cable (2m or 5m / BC-0046) BNC Pin cord(BC-0071), Piston phone(Type 2124) |