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    当前位置:通用仪器(二手) > 测量仪表 > 声级计

    CEL/CEL-254/数字式(脉冲)声级计

    • CEL/CEL-254/数字式(脉冲)声级计
    • 欲购买或租赁CEL/CEL-254/数字式(脉冲)声级计 ?请在线咨询或拔打24小时电话:13715327187
    数字式(脉冲)声级计  /CEL缩略图

    详细资料:

    The CEL-254 has additional functions to the CEL-231 including both A and C frequency weighting. It has Slow, Fast and an Impulse time weighting and a maximum hold feature.
    The maximum hold will detect the highest level of noise and hold this on the display.
    The CEL-254 is suitable for steady and fluctuating noise levels. An overload indicator and a low battery warning are included in the display. It is possible to check the battery condition anytime during operation. Both analogue AC and log DC outputs are available for feeding tape recorders or chart recorders. The CEL-254 features a 70 dB measurement range covering the range from 30 to 100 on the LO setting and 65 to 135 dB on the HI setting.
    Common Features for the CEL-231, 254 and 269
    Accuracy +/-1 dB under reference conditions IEC 60651:1996
    Type 2, ANSI S1.4 1983 Type 2A
    Display 3 1/2 digits 12.7 mm high character LCD
    Auxiliary outputs: AC Conditioned 7.25V RMS. FSD
    Minimum load impedance 39kohm
    DC log RMS. output nominally 25mV/dB
    Minimum load impedance 27kohm

    Reference conditions: 114 dB SPL, free field perpendicular incidence 1kHz, 20 degree C, 65% RH
    Temperature range: -10 degree C to +50 degree C operating
    -20 degree C to +60 degree C storage
    Humidity effect: < 0.5dB 30% to 90% RH
    Batteries: 4 x AAA Manganese Alkaline Cells
    Battery Life: 20 hrs typical - low battery indicator
    Dimensions: 258mm x 70mm x 21mm
    Weight: 230 grams ( with batteries)

    仪器保证:

    我们的大多数设备在装运之前均经过严格的质量检测与校验。也可申请国家计量证书。

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