Economical Integrating Sound
Level Meter
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Specification
of Sound Level Meter, Type 6226
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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) |
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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 |
| Lp |
: |
Sound pressure level |
| Leq |
: |
Equivalent continuous A-weighted sound pressure
level |
| Le |
: |
Sound exposure level |
| Lmax |
: |
Maximum sound level |
| Lmin |
: |
Minimum sound level |
| Lx |
: |
Percentile level (5 values of free selection) |
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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 |
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Type
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Liquid crystal and Back light (128x64 points) |
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Digital
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4 digits, Display Period : 1s |
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Bar Warning
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Display Period : 0.1s |
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Warning
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Over : + 10dB from upper limited scale
Under : - 0.6dB from lower limited scale |
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Battery
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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
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Four 1.5V Alkaline cells IEC type LR6,
or Optional AC Adapter |
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Battery, Life
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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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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) |
