User Manual

1. Features
* Large LCD-display, easy to read
* Designed to meet IEC 61672-1, class 2.
* A & C weighting network are conformity to standards.
* FAST & SLOW dynamic characteristic modes.
* Output for system expansion.
* Internal oscillation system for calibration.
* Condenser microphone for high accuracy & long-term stability.
* MAX HOLD function for stored the maximum value on display.
* LCD-display for low power consumption & clear read-out even
in bright ambient light condition.
* Used the durable, long-lasting components, including a strong
light weight ABS-plastic housing case.
* Small and light weight design allow one hand operation.
* Low battery indicator.
2. Specifications
Display: 17 mm LCD-Display, 3 ½ digits
Function: dB (A + C Weighting), fast, slow, max. hold,
analogue output
Polarity: Automatic, (-) negative polarity indication
Measurement
range: A LO (low) – Weighting: 35 ... 100 dB
A HI (high) – Weighting: 65 ... 130 dB
C LO (low) – Weighting: 35 ... 100 dB
C HI (high) – Weighting: 65 ... 130 dB
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