Fnirsi FDM-02 A / C-weighted + Max / Min Values + Curve Recording High Precision Digital Noise Meter

Fnirsi FDM-02 A/C-weighted + Max/Min Values + Curve Recording High Precision Digital Noise Meter

Features:

• Multi-function display on the same screen: Capacitive microphone + high- for precision temperature and humidity sensor, accurate and reliable data

• Curve recording makes noise visualization: Switch to curve mode, you can clearly see the noise changes in a period of time

• A/C dual-weighted measurement can measure more diverse environments, A/C weighting characteristics, making the measurement more professional.

• Real-time measurement for instant response, fast and slow time weighting, one-button switch

• 1.25s fast measurement, more stable, easy to obtain noise level

Specifications:

• Screen: 2.0-inch TFT colour display

• Display: 4 digits, resolution 0.1 dB

• Frequency weighting: A and C

• Time weighting: Fast (FAST) 125 ms; Slow (SLOW) 1 s

• Frequency response: 31.5 Hz to 8.5 kHz

• Dynamic scale display/value update: Fast 0.5 times/second; Slow 1 time/second

• Dynamic range: 3.50 dB

• Accuracy: ±1.5 dB (based on standard sound source, 94 dB @ 1 kHz)

• Measurement range: 30 dB to 130 dB

• Alarm log: 30 entries, recording high/low reading times and types

• Brightness setting: Adjustable from 5% to 100%, in 5% increments

• Graphical interface: Updated once every 0.5 seconds

• Overload indication: High alarm, low alarm

• Reading Settings: Minimum 0.0 dB, Maximum 130.0 dB

• Language Selection: Supports Chinese/English

• Style Mode: Dual-style switching (Day/Night)

• Date and Time: Year, Month, Day, Time

• Sleep Settings: Adjustable sleep brightness, adjustable sleep duration

• Auto Shutdown: Adjustable auto-shutdown time 1–60 min

• Battery: 1500mAh/3.7V lithium battery

• Data hold: Yes

• Battery level indicator: Yes

• Noise level: Yes

• Temperature: Yes

• Humidity: Yes

• Threshold alarm: Yes

• Alarm indicator light: Yes

• Firmware update: Yes

Package includes:

• 1 x Noise Meter

• 1 x USB Cable