HT Instruments HTA102 äänitasomittari 30-130 dB 31,5 Hz - 8 kHz 1010860

With a measurement range of 30 to 130 dB and a frequency range from 31.5 Hz to 8 kHz, the HT Instruments HTA102 covers the full spectrum of professional sound level assessment. Its ±1.5 dB accuracy at 1 kHz and 94 dB makes it a reliable tool for workplace noise surveys, environmental monitoring, and audio system calibration.

Overview

The HTA102 is a Class 2 sound level meter compliant with IEC 61672-1 and ANSI S1.4 Type 2. It features A and C frequency weighting, fast and slow time weighting, and a 4-digit backlit LCD for clear readings in any lighting. The 1/2-inch electret condenser microphone ensures consistent performance, while the 50 dB dynamic range and 0.1 dB resolution provide detailed measurements.

What stands out

• Wide measurement range: 30–130 dB
• Frequency range: 31.5 Hz – 8 kHz
• Accuracy: ±1.5 dB (at 1 kHz, 94 dB)
• Resolution: 0.1 dB
• A and C frequency weighting
• Fast (125 ms) and slow (1 s) time weighting
• Max/Min hold and data hold functions
• Internal 94 dB calibration function
• Auto power off after 15 minutes
• Overload indication (OVER/UNDER)
• Powered by 9V battery (6F22), approx. 30 hours battery life

Technical details

• Display: 4-digit LCD with backlight
• Microphone: 1/2-inch electret condenser
• Standards: IEC 61672-1 Class 2, ANSI S1.4 Type 2
• Dynamic range: 50 dB
• Operating temperature: 0°C to 40°C (32°F to 104°F)
• Operating humidity: 10% to 80% RH (non-condensing)
• Power supply: 9V battery (e.g., 6F22)
• Battery life: approx. 30 hours
• Auto power off: yes (after 15 minutes)

Our verdict

The HTA102 delivers essential sound measurement features with dependable accuracy, making it a practical choice for professionals who need reliable noise data without unnecessary complexity.