CEM DT-85A Mini Sound Level Meter

DT-85A Mini Sound Level Meter

The DT-85A series Mini Sound Level Meters have a wide dynamic range, from 35 to 130 dB. This meter have different frequency weighting, an A weighting as well as a C weighting, the weightings correspond to human sense or machine monitoring purposes. For different sound pattern, it also supply Fast and Slow time constant setting that allows you to measure a wide range of sound patterns. 

General Description

This Sound Level Meter has been designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices and sound quality control in various environments. 

• Ranges from 40 dB to 130 dB at frequencies between 31.5 Hz and 8 KHz. 
• Display with 0.1 dB steps on a 4-digits LCD. 
• With one equivalent weighted sound pressure level A. 

Specifications

• Frequency range : 31.5 Hz ~ 8 KHz 
• Measuring level range : 40 ~ 130 dB 
• Frequency weighting : A 
• Microphone : 1/2 inch electret condenser microphone 
• Display : LCD 
• Digital display : 4 digits 
• Resolution: 0.1 dB 
• Display up data: 0.5 sec. 
• Time weighting : FAST (125 mS) 
• Accuracy : + 3.5 dB @1 kHz, 94 dB (under 3 reference conditions) 
• Alarm function : “OVER” is show when input is out of range (>130 dB) 
• Auto power off : Meter automatically shuts down after approx. 15 minutes of inactivity
• Power supply : One 9 Volt battery, 006P or IEC 6F22 or NEDA 1604. 
• Operation temperature : 0 to 40℃ (32 to 104 F) 
• Operation humidity : 10 to 90 % RH 
• Storage temperature : -10 to 60 ℃ (14 to 140 F) 
• Storage humidity : 10 to 75 % RH 
• Dimensions : 210(L) x 55(W) x 32(H) mm
• Weight : 135 g (including battery) 

Main Features

• Easy-to-read screen
• dBA readings
• Backlight
• Maximum and Minimum settings
• Includes 9V battery