Industrial Acoustic Compliance & Environmental Noise Auditing: MESTEK SL720A Digital Sound Level Meter in Malaysia

In modern manufacturing facilities, commercial HVAC installations, occupational safety audits (DOSH / JKKP compliance), civil construction sites, and vehicular noise testing across Malaysia, continuous and accurate sound pressure level (SPL) measurement is vital. MTM Precision is proud to introduce the MESTEK SL720A Digital Sound Level Meter—an upgraded handheld acoustic instrument engineered for high-precision decibel auditing across demanding industrial, commercial, and environmental settings.

Certified under international electromagnetic compatibility standards (CE / EMC) with official RoHS compliance, the MESTEK SL720A offers an expansive 30 dB to 130 dB measurement scope, dual A & C frequency weightings, dual Fast & Slow response dynamics, automatic High/Low range switching, a 4-digit backlit LCD screen, and extended operation powered by a 3x AAA battery configuration.

🌟 Key Features & Advanced Acoustic Capabilities

Dual Frequency Weighting Filters (A & C Weighting):
- A-Weighting (dBA): Mirrors human auditory response to sound pressure, ideal for workplace safety inspections, OSHA/DOSH regulations, and community environmental noise monitoring ($31.5\text{Hz}$ to $8\text{kHz}$).
- C-Weighting (dBC): Delivers a flat frequency response optimized for low-frequency acoustic analysis, motor exhaust noise, industrial generator rumble, and mechanical plant diagnostics.
Dual Time Weighting Dynamics (FAST / SLOW Response):
- FAST Mode (125ms): High-speed sampling (125ms) captures instant peak acoustic spikes, impact sounds, and rapidly varying noise environments.
- SLOW Mode (1000ms): Smooths out fluctuating sound levels over a 1-second integration period to evaluate constant background noise.
Smart Auto Dual-Range Switching (Lo / Hi Range):
- Automatically operates in Lo Range for noise levels under 100dB.
- Automatically transitions to Hi Range when sound pressure exceeds 100dB up to 130dB, ensuring uninterrupted recording during high-volume spikes.
4-Digit Backlit LCD Display: High-contrast digital screen provides $0.1\text{dB}$ resolution, allowing crisp decibel readings under harsh daylight or inside dark plant shafts.
MAX Hold & Data Hold Functions: Dedicated MAX screen lock captures the absolute highest decibel level recorded during an audit pass, while Data Hold freezes current values for precise reporting.
Extended 3x AAA Battery Configuration: Powered by three standard 1.5V AAA batteries, ensuring extended field operational runtime during lengthy facility audits.

📊 Technical Specifications: MESTEK SL720A

Technical Parameter	Specification & Operational Metric
Product Model	MESTEK SL720A
Product Category	Professional Digital Sound Level Meter
Sound Pressure Measurement Scope	30 dB to 130 dB
Measurement Accuracy	± 2.0 dB
Frequency Response Range	31.5 Hz to 8 kHz
Frequency Weighting	A & C Weighting (Selectable dBA / dBC)
Dynamic Response Time (F/S)	FAST: 125 ms (Default) / SLOW: 1000 ms
Range Auto-Switching	Lo Range: < 100 dB / Hi Range: > 100 dB (Auto Switching)
Measurement Resolution	0.1 dB
Display Type	4-Digit Backlit LCD Screen
Data Hold & MAX Hold	Yes (Dedicated Control Keys)
Power Supply	3 x 1.5V AAA Alkaline Batteries
Physical Dimensions (L x W x H)	195 mm x 42 mm x 24 mm
Net Unit Weight	Approximately 106 g (Excluding batteries)
Safety Level & Certification	CE Certified (EMC Compliance), RoHS Compliant
Standard Package Includes	SL720A Sound Level Meter, Windscreen Sponge, AAA Batteries, User Manual, Color Box

🏭 Primary Application Fields in Malaysia

Occupational Safety & Health Auditing (DOSH / JKKP): Evaluating worker noise exposure levels across factories, assembly plants, metal fabrication shops, and wood mills to comply with Malaysian Noise Exposure Regulations.
Commercial HVAC & Mechanical Services: Measuring acoustic output from chiller units, air handling units (AHUs), cooling towers, and ventilation ducts in commercial complexes.
Environmental & Construction Site Monitoring: Monitoring boundary sound levels near residential areas, highways, light rail transport (LRT/MRT) tracks, and piling sites.
Automotive Workshop & Heavy Equipment Diagnostics: Checking cabin soundproofing, exhaust system noise output, engine bearing whine, and acoustic vibration.
Facility Management & Property Handover: Inspecting generator room acoustics, pump house sound insulation, and acoustic partition compliance in hotels and office towers.

📞 Contact & Purchasing Information in Malaysia

For product inquiries, volume orders, technical calibration support, or official quotations regarding MESTEK acoustic meters and test instruments in Malaysia, please contact MTM Precision:

Contact MTM Precision

MTM Precision Sdn. Bhd.

Showroom & Service Centre

No. 29-1 & 29-2, Jalan Bandar 18,

Pusat Bandar Puchong,

47160 Puchong, Selangor, Malaysia

Website: www.mtmpre.com.my

Email: mtmpre@yahoo.com

WhatsApp: +6016-660 7346

Office Tel: +603-80807172