TOMLIN Sound Level Meter – Model AS-156B

Description

The TOMLIN Sound Level Meter (Model AS-156B) offers advanced sound measurement capabilities with compliance to IEC 651 Type 2 and ANSI 1.4 Type 2 standards. Designed for environmental and industrial noise monitoring, this model provides comprehensive data with additional LN and Leq measurement features.

Measurement Parameters

• Lp: Sound Level
• Leq: Equivalent Continuous A Sound Level
• Lmax: Maximum Sound Level
• LN: Percent of all readings exceeding a set alarm value

Features

• Backlight Display: Enables clear readings even in dim lighting.
• Buzzer Sound Reminder: Alerts users during alarm-triggered measurements.
• Alarm Set and Alarm Output: Provides flexible alarm settings with output connectivity.
• Memory Function: Stores up to 30 groups of readings for future analysis.
• Built-In Calibration Signal: Guarantees measurement precision.
• Manual/Auto Power Off: Extends battery life with customizable power-off settings.
• Low Battery Indicator: Warns users when the battery is running low.
• Computer Connection: Facilitates efficient data transfer for analysis.

Specifications

• Measurement Range:
  • Lp: 30~130 dB (A-weighting)
  • Leq/LN: 30~130 dB over durations of 10 s, 1 min, 5 min, 10 min, up to 24 h
• Resolution: 0.1 dB
• Accuracy: ±1 dB
• Frequency Range: 20~8,000 Hz
• Time Weighting: Fast (125 ms), Slow (1 second)
• Power Supply: 4 x 1.5V AAA UM-4 Battery
• Weight (Without Battery): 145 g (5.1 oz)
• Size: 171 x 70 x 31 mm (6.7 x 2.8 x 1.2 in)

Standard Accessories

• Main Unit
• Windscreen
• Carrying Case
• Operation Manual

Optional Accessories

• USB Cable & Software
• Bluetooth Adapter & Software

Alternative Names

• Noise Level Meter with LN and Leq
• TOMLIN AS-156B Noise Measurement Device
• Advanced Environmental Sound Level Meter

Downloads

PDF Specification Sheet - Download