HTC SL-1352 Sound Level Meter

HTC SL-1352 Sound Level Meter

The HTC SL-1352 Sound Level Meter is a professional Class 2 digital sound level meter designed for precise measurement and analysis of environmental and industrial noise levels. Equipped with USB data logging, A & C frequency weighting, FAST & SLOW response modes, and analog AC/DC outputs, it is ideal for occupational safety, environmental monitoring, factory inspections, construction sites, laboratories, and acoustic research.  

Key Features

• Wide sound level measurement range of 30 dB to 130 dB.
• Complies with IEC 61672-1 Class 2 standards for reliable noise measurement.
• USB data logging with Windows-compatible software for recording and analysis.
• Selectable A-weighting and C-weighting frequency filters.
• FAST (125 ms) and SLOW (1 s) response modes.
• MAX and MIN measurement functions.
• Adjustable high/low alarm levels.
• Over-range and under-range indication.
• Large backlit LCD display with 0.1 dB resolution.
• Analog AC/DC output for connection to analyzers or chart recorders.
• Low battery indication and automatic power-saving features.
• ½-inch precision electret condenser microphone with windscreen.  
  
  

Technical Specifications

Parameter  Specification

Measurement Range : 30 to 130 dB

Accuracy : ±1.4 dB

Resolution : 0.1 dB

Frequency Range : 31.5 Hz to 8 kHz

Dynamic Range : 50 dB

Frequency Weighting : A & C

Time Weighting : FAST (125 ms), SLOW (1 s)

Microphone : ½-inch Electret Condenser

Display Update : 2 readings/second

Analog Output : AC: 1 Vrms, DC: 10 mV/dB

Data Interface : USB

Display : Backlit LCD

Power Supply : 1 × 9V Battery (6F22)

Dimensions : Approx. 278 × 76 × 50 mm

Weight : Approx. 350 g

Applications

• Industrial noise monitoring
• Occupational health and safety inspections
• Environmental noise surveys
• Factory and manufacturing plants
• Construction site noise assessment
• HVAC and machinery noise testing
• Educational and research laboratories
• Building acoustics evaluation
• Community and traffic noise monitoring

Benefits

• Delivers accurate and reliable sound level measurements for professional applications.
• USB data logging enables easy storage, analysis, and reporting of noise data.
• A/C weighting and FAST/SLOW response settings support a wide range of acoustic measurements.
• Analog outputs allow integration with external recording and analysis equipment.
• Built-in alarm function helps identify excessive noise levels quickly.
• Rugged handheld design is suitable for field and industrial use.
• Backlit display ensures clear visibility in low-light environments.  

Package Contents

• HTC SL-1352 Sound Level Meter
• Windscreen
• USB Cable
• Windows Software
• Audio Output Plug
• DC 9V Power Adapter
• 9V Battery
• Hard Carrying Case
• User Manual  

The HTC SL-1352 Sound Level Meter is a high-performance noise measurement instrument that combines precision, USB data logging, advanced analysis functions, and analog output capabilities. It is an excellent choice for environmental consultants, safety engineers, industrial maintenance professionals, researchers, and quality control personnel who require dependable and accurate sound level monitoring.