CR308 Low-Cost Decibel Meter

Sound Level Meters

The CR:308 low-cost decibel meter is ideal for providing simple noise measurement information as part of noise level testing applications

  • Simple to use Class 2 meter (meets IEC 61672-1:2013 Class 2)
  • Measure Sound Pressure Level (SPL) and Maximum Sound Level (LMax)
  • A and C frequency weighting
  • Quick and easy hassle-free sound checks
Decibel meter kit *

Add an acoustic calibrator and kit case to your meter to make a complete noise measurement kit

No acoustic calibrator or kit case

Decibel meter, acoustic calibrator and kit case

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SKU: CR308
Tag: Sound Level Meters

Description

The Cirrus Research Low-Cost Decibel Meter

The CR:308 is a basic sound level meter that is perfect when all you need is access to simple noise measurement information. The meter is capable of measuring the maximum sound level (LMax) and the sound pressure level (SPL), and is ideal for simple applications, such as alarm testing, spot checks, and other noise level testing applications.

The CR:308 includes an adjustable noise level threshold alarm so you can be alerted when noise exceeds a set level.

The Cirrus Research CR:308 low-cost decibel meter is suitable for noise measurement across multiple sectors and meets current international standards for noise measurement instrumentation including IEC 61672-1:2013 Class 2.

Need an integrating sound level meter?

Try the CR:310 integrating decibel level meter suitable for basic workplace noise assessments.

Applicable Standards:

IEC 61672-1:2013 Class 2

Measurement Range:

30dB (A) to 130dB (A)

40dB (C) to 130dB (C)

Frequency Weightings:

A and C

Time Weightings:

Fast (F) and Slow (S)

Display Functions:

Normal, Maximum, Minimum, C peak

Measurement Functions:

LAF, LAS, LCF, LCS, LCpk

Leq (CR:310), LEq8h (CR:310)

Noisefloor:

< 25dB (A) and 35dB (C) Display Flags Threshold Limit, Overload, Under-range   Auto Calibration Range:

±4.5dB

Reference Point:

94dB (1kHz), 92.9dB (8kHz)

Setting Time:

60s

Display:

Backlit 128×64 LCD,resolution 0.1 dB.

Resolution:

0.1dB

Electrical Inputs:

5V power in via mini USB

Power:

2 x AA/LR6 1.5V batteries

Or

5V DC via Mini USB

Battery Life:

24hrs

Microphone:

½˝ pre-polarised electret condenser type HY:205

Operating Temperature:

0°C to +40°C

Operating Humidity:

25% to 90%

Atmospheric Pressure:

65 kPa to 108kPa

Storage Temperature:

-20°C to +60°C

Dimensions:

215mm×68mm×32 mm

Weight:

220g(including battery)

Electrical Outputs:

AC (Tip 3.5mm jack) and DC (middle 3.5mm jack)

DC Output:

voltage 15mV/dB, range 450mV to 1950mV

AC Output:

RMS 2V

Additional information

Weight 0.22 kg
Dimensions 21.5 × 6.8 × 3.2 cm
Applications

Basic Noise Level Testing

Hardware Features

Power Supply Options

Average Operating Time

Sound Measurement Features

Applicable Standards

Total Measurement Range

,

Frequency Weightings

,

Time Weightings

,

SPL

Brand

Cirrus Research

Monitoring Duration

Short-term

CR:308 & CR:310 Sound Level Meter

User Manual

CR:308 & CR:310 Sound Level Meter

Datasheet (English)

CR:308 & CR:310 Sound Level Meter

Datasheet (Chinese)

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