The TASI Sound Level Meter is a high-precision noise measurement instrument designed for industrial, environmental, and professional applications. It features a wide measuring range, fast response time, and a clear large LCD display for reliable real-time sound level readings.
Model Options
• TA653A – Internal Probe, no data output
• TA654A – External Probe (5m), no data output
• TA653B – Internal Probe, with USB data output
• TA654B – External Probe (5m), with USB data output
USB data output is available only on B models (TA653B / TA654B).
Key Measurement Specifications
• Measuring Range: 30 dB – 130 dB
• Accuracy: ±1.5 dB (calibrated at 94 dB @ 1 kHz)
• Frequency Response: 31.5 Hz – 8.5 kHz
• Frequency Weighting: A-weighting
• Resolution: 0.1 dB
• Response Mode: FAST (approx. 2 readings per second)
Display & Performance
• 6 mm condenser microphone sensor
• Large 3-digit LCD display
• Real-time refresh rate: 2 times per second
• Automatic “Hi” / “Lo” display when out of range
Alarm & Output Functions
• Visual sound level display indicator
• 5V high-level alarm output
USB Data Output (B Models Only)
TA653B and TA654B support USB data output for real-time sound level transmission to a computer for monitoring and analysis.
A models do not support data storage or computer communication.
Power Supply & Working Conditions
• Power Supply: DC 5V / 1A (Micro USB)
• Adapter Input: AC 110V / 220V (included)
• Operating Temperature: 0°C – 40°C
• Operating Humidity: 10% – 80% RH
• Storage Conditions: Same as operating environment
Physical Specifications
• Dimensions: 323 × 173 × 40 mm (L × W × H)
• Weight: Approx. 980 g
• Durable housing for long-term use
Package Contents
• Sound Level Meter
• Power Adapter (5V 1A)
• USB Power/Data Cable
• Hanging Hook
• Mounting Screw
• Original Color Box
• User Manual
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