เครื่องมือวัดอุตสาหกรรม l Measuring Instruments [10217]
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รหัสสินค้า | SKU-06889 |
หมวดหมู่ | เครื่องมือวัดด้านสิ่งแวดล้อม(Environmental Measuring Instrument) |
ราคาปกติ | |
ลดเหลือ | 0.00 บาท |
สถานะสินค้า | Pre-Order |
ลงสินค้า | 31 พ.ค. 2564 |
อัพเดทล่าสุด | 12 ก.ค. 2568 |
คงเหลือ | 0 ชิ้น |
Model | TYPE 6238LA |
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Product name | Low frequency sound pressure level meter |
Conformity standard | JIS C 1514: 2002 Class 1 ISO 7196: 1995 |
Frequency range | FLAT characteristic (FLAT: frequency range 1 to 100Hz) G characteristic sound pressure level: LG (see G characteristic ISO 7196) 1/3 octave band real-time analysis (FLAT: analysis frequency range 1 to 80Hz) |
Microphone model (sensitivity) | TYPE 7146NL (-28dB, single unit -26dB) |
Level range | 10dB Step 6 step switch 20 ~ 80 dB, 20 ~ 90 dB 30 ~ 100 dB, 40 ~ 110dB 50 ~ 120 dB, 60 ~ 130 dB |
Frequency analysis band | 1/3 octave band real time analyzer 1 Hz, 1.25 Hz, 1.6 Hz, 2 Hz, 2.5 Hz 3.15 Hz, 4 Hz, 5 Hz, 6.3 Hz, 8 Hz 10 Hz, 12.5 Hz, 16 Hz, 20 Hz, 25 Hz 31.5Hz, 40 Hz, 50 Hz, 63 Hz 80 Hz , OA, AP, G |
Measurement level | G characteristics: 40dB to 130dB FLAT characteristics: 50dB to 130dB 1/3 octave band: 30dB to 130dB |
Overload characteristics | Displayed at + 3 dB from the upper limit of over-over full scale |
Self-noise level | The lower limit of the measurement level (range) is 8 dB or more from the self-noise level. |
Linearity range | - |
Time weight characteristic | Fast, Slow, 10 seconds |
Frequency weighting characteristics | G characteristic (digital method), FLAT characteristic |
Measurement function | Low frequency sound pressure level (LP) G characteristic sound pressure level (LG) Equivalent sound pressure level (Leq) Maximum sound pressure level (Lmax) |
Measurement time | 1s, 3s, 5s, 10s, 1min, 5min, 10min, 15min, 30min, 1h, 8h, 12h, 24h Manual (maximum measurement time; 199 hours 59 minutes 59 seconds) |
Sampling cycle | 20.8 μs (Leq, Lmax, Lmin, Lpeq, Lpmax) 666 μs (LGeq, LGmax), 64 ms (LN) |
Straight line data removal function | Data removal function for the previous 3s or 5s by the pause button Recording start: Automatic or manual selection possible |
Timer function | Measurement can be started / stopped at any time |
display | LCD with LED backlight (128x64 dots) Numerical display: 4 digits Display cycle: 1s Bar display: Display cycle: 0.1s Warning: Over: Displayed at + 3dB from the upper limit of overload scale Under: Under-signal at -0.6dB from the lower limit of scale Display Battery voltage: 5 levels of remaining capacity Clock: Year, month, day, hour, minute, second |
Proofreading | Electrical calibration with built-in oscillator (1kHz, 20Hz) sine wave |
Output terminal | AC output terminal: Φ2.5 jack Output voltage : 1Vrms (FS) Output resistance: 600Ω Load resistance: 10kΩ or more DC output terminal: Φ2.5 jack Output voltage: 2.5V (FS), 0.25V / 10dB Output resistance: 50Ω load Resistance: 10kΩ or more |
Efficacy detection circuit | True effective value detection circuit (digital calculation method) |
Calculation | Digital method |
Pause function | In addition to normal pause, last minute data removal |
Data recording | Instantaneous value or calculated value is stored in the built-in memory or memory card (SD card) Manual recording: Noise level, calculated value, recording time, sampling interval is recorded in the built-in memory or memory card (SD card) Auto recording: 100 msec, 200 msec or noise level per 1sec or continuously records the calculated value for each measurement time to the memory card (SD card), there timer function operation card attaching time: recording the calculation result |
I / O terminal | Sound level meter control data output by personal computer and direct output to a dedicated printer Digital output of raw noise waveform by USB interface |
Comparator output | Comparator function by setting level |
Power supply | 4 AA alkaline batteries or AC adapter Battery life (continuous time): Alkaline battery LR6 Approximately 9 hours Battery life when the backlight is on is approximately 1/3 Current consumption: 150mA (at 6V input) AC when the calculation function is OFF Approximately 2.7VA when using the adapter |
Spec temperature range | -10 ℃ ~ 50 ℃ 30% ~ 90% RH (No condensation) |
Size | 85 (W) x 328 (H) x 48 (D) |
weight | Approximately 450g (including batteries) |
Conformity standard | JIS C 1514 (IEC61260): Class 1 |
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Measurement mode | Sound pressure level (Lp), Equivalent noise level (Leq) Single noise exposure level (LE), Maximum noise level (Lmax) (Displays one selected item in the above measurement mode) |
Frequency analysis band | 1/1 Octave Filter: 16Hz, 31.5Hz, 63Hz, 125Hz, 250 Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, AP, OA 1/3 Octave Filter: 12.5Hz, 16Hz, 20Hz, 25Hz, 31.5Hz, 40Hz , 50Hz, 63Hz, 80Hz, 100 Hz, 125Hz, 160Hz, 200Hz, 250Hz, 315Hz, 400Hz, 500Hz, 630Hz, 800Hz, of 1 kHz, 1.25KHz, 1.6KHz, 2KHz, 2.5KHz, 3.15KHz, 4KHz, 5KHz, 6.3KHz, 8kHz, 10kHz, 12.5kHz, 16kHz, AP, OA |
Level range | 10dB Step 6 Step 10 ~ 80 dB, 20 ~ 90 dB, 30 ~ 100 dB 40 ~ 110dB, 50 ~ 120 dB, 60 ~ 130 dB |