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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
The current sensor is locked when the LOCK indication is displayed on the slide switch (the UNLOCK indication disappears)
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It may be damaged if subjected to sudden changes in ambient temperature
continuous heat tolerance up to 200 F (93 C)
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Sound Level Meter Type 1 Model SL-4022 The current sensor is lockedFrequency and time weighting meet IEC651 type 1 30 to 130db, 3 ranges Max. hold, data hold AC out Internal 94db calbration Has a range of 30 to 130db, 3 ranges Features Large LCD display, easy to read. A & C weighting networks are conformity to standards. FAST & SLOW dynamic characteristic modes. AC output for system expansion. Build in adj. VR, available for easy calibration. Condenser microphone for high accuracy & long term stability. Build max.
