Castle NK102 安全管理系统（2级，12.5 Hz-16 kHz）

-Applicable Standards: IEC 61672-1:2013, IEC 61672:1993 amendment 1:2000 (Where Exposure Fitted)
-Microphone: Type 2 Pre-Polarised 1/2" (13.2 mm), Electret Condenser Microphone -32 dB + 3 dB re 1V/Pa
-Measurement Range: Linear Operating Range: 95dB
-Noise Floor:  
+ A Weighting <15 db="" a="" rms="" br=""> +C Weighting <18 db="" c="" rms="" br=""> +Z Weighting <18 db="" z="" rms="" br=""> -Frequency Weightings:
+Measurement 1:A, C or Z
+Measurement 2:A, C or Z
-Frequency Range: Class 2: 12.5 Hz-16 kHz (Including microphone) (TBD)
-Time Weighting:
+Measurement 1: Slow, Fast, Impulse
+Measurement 2: Slow, Fast, Impulse
-Display: 2.4 inch Full Colour TFT 240x320 pixels  
-Dual Measurements: Simultaneous dual measurement with independent time and frequency weightings.
-Measurement Parameters:  dBAir Safety: LSPL, LEQ, LMAX, LMAX, Peak, LEPd, Exposure Points, Dose, Hearing Protector Calculator
-Time History:
+ Short Interval: 10ms to 60m
+ Long Interval: 1s to 24h
+ Smart Timer, Duration Timer or Interval Timer
- Memory: 16GB
- Input / Output Connection: Micro USB Type B
- Power: Batteries: 4 x AA (1.5V), Approximately 16 hours continuous operation (screen settings dependent), USB Socket
- Dimensions:
+Including Pre-Amplifier: 210mm (H) x 70mm (W) x 30mm (D)
+Excluding Pre-Amplifier: 145mm (H) x 70mm (W) x 30mm (D)
-Weight: 480g approximately (including batteries)
-Includes:
+ GA241S dBAir Safety Class 2
+ GA601 Calibrator - Single Level, Class 2
+ CCPROFREE FREE Pro Account for Castle Cloud - 5 Users (1 Year) (For Systems)
+ KA017 Protective System Carry Case (dBAir)
+ dB001 dBAir Rubber Case

datasheet