Digital Sound Level Meter

Name: TECPEL DSL-330A Digital Sound Level Meter
Brand: TECPEL
SKU: DSL-330A
Price: 7245 TWD
Availability: OutOfStock

Brand TECPEL | Model DSL-330A | 🇹🇼 Taiwan

Large display with analog output, Can be powered externally via transformer, Automatic power-on feature, Ideal for long-term noise monitoring.

Price NT$ 7,245

Out of Stock

The DSL-330A Digital Sound Level Meter is a portable device designed for long-term monitoring of environmental noise. It features a large display, allowing for continuous measurement without needing to shut down, making it suitable for various locations such as hospitals, postpartum centers, and monitoring equipment operation sounds. The device supports analog output and can be powered externally via a transformer for extended noise monitoring, with an automatic power-on feature to ensure it is always ready for use.

Complies with standardsIEC651 Type II
Display4-digit
VolumeLow: 30~80dB / Medium: 50~100dB / High: 80~130dB / Auto: 30~130dB
Resolution0.1 dB
Frequency range31.5Hz ~ 8KHz
Accuracy±1.5dB ( 94dB @ 1KHz )
Dynamic range50dB
FrequencyA and C
Time weighting characteristicsFast (FAST) 125 ms, Slow (SLOW) 1 s

Sampling rate2 times/second
Data holdMAX HOLD, MIN HOLD
Overload protection'OVER','UNDER' symbol indicates
Signal outputAC/DC signal output from the headphone jack
AC output rangeAC=1Vrms (per range), output impedance approx. 50Ω
DC output rangeDC=10mV/dB, output impedance approx. 100Ω
Calibration methodKnob calibration (adjust using the knob on the side of the instrument)

Operating temperature0℃~40℃, 10%RH~90%RH
Storage temperature-10~40 °C / less than 80%RH, no condensation allowed
Altitude limitbelow 1,000 meters
Microphone1/2-inch polarized condenser microphone
Power supplyDC 9V battery x1 / 9V power adapter (ADP-01) (sold separately)
Battery lifeapprox. 50 hours (alkaline batteries)
Appearance dimensions275 (L) x 64 (W) x 30 (H) mm
Weightapprox. 275 g (including batteries)
AccessoriesUser manual, battery, adjustment rod, 3.5ψ headphone jack, foam ball, carrying storage case