Model: SLTK-885B (Sound Level Meter & Calibrator Combo Kit)
Standards Compliance: Conforms to IEC 61672-1 Class 2 and ANSI S1.4 Type 2 specifications
Measurement Sound Level Range: 30 dB to 130 dB across 3 measuring ranges (Low: 30–80 dB, Med: 50–100 dB, High: 80–130 dB)
Acoustic Calibrator Output: Dual calibration levels at 94.0 dB and 114.0 dB (±0.5 dB accuracy) at a reference frequency of 1 kHz
Frequency Weighting: A and C weightings (A for industrial human ear response; C for mechanical/engine noise)
Time Weighting: Fast (125 ms) and Slow (1 second) dynamic response rates
Display: 4-digit high-visibility backlit LCD with continuous 50-segment analog bargraph
Measurement Functions: Max Hold, Min Hold, Data Hold, and Over/Under-range indicators
Microphone Type: 1/2″ electret condenser microphone with detachable windscreen
Calibrator Cavity: Fits standard 1/2-inch and 1-inch diameter microphones
Power Source: 9V battery operation for both meter and calibrator unit
Complete Kit Contents: Digital sound level meter, dual-level acoustic sound calibrator, microphone windscreen, calibration adjustment screwdriver, 9V batteries, and custom foam-lined hard protective carrying case
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