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Sefram 9835
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Sefram 9835

Digital Sound Level Meter

The SEFRAM 9835 is a digital sound level meter that provides 30-130dB capability in three convenient measurement ranges Low, Med, and Hi with an accuracy of ±1.5 dB.

Sound Level Meter
30 - 130dB Capability

£225.00 (£270.00 incl. VAT)

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Estimated Delivery 16th December - 23rd December
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Documentation

Overview

The SEFRAM 9835 is a digital sound level meter that provides 30-130dB capability in three convenient measurement ranges Low, Med, and Hi with an accuracy of ±1.5 dB.

Features of the Sefram 9835

  • Low range: 30 to 90dB
  • Med range : 50 to 110dB
  • Hi range : 70 to 130dB
  • Min/Max Function
  • Fast/Slow time weighting
  • Frequency weighting A/C
  • AC/DC signal output
  • Backlight LCD
  • Standard accessories: batteries, windscreen, carrying case

Data Processing Software Provided Free with your device

  • Graphic display
  • Simultaneously sound level visualisation and audio listening to identify noise sources
  • Graphic or tabular datas saves
  • Targeted analysis between cursors
  • Leq calculation

This software enable to collect real time data via USB interface, which will preserve the batteries and the storage capacity of your device.

Technical specifications

  • Standard applied IEC 61672-1 Class 2 IEC
  • Frequency range 20Hz à 8KHz
  • Measuring level range 30 à 130dB
  • Frequency weighting A / C
  • Microphone 1/2 inch electret condenser microphone
  • Screen LCD
  • Digital display: 4 digits Resolution : 0,1dB, Update Rate : 0.5sec
  • Analog display: 30 segment bargraph, Resolution : 2dB, Update Rate : 0.5sec
  • Time weighting FAST / SLOW
  • Level ranges Lo : 30 – 90 dB, Med : 50 – 110 dB, Hi : 70 – 130 dB
  • Accuracy ±1.4dB
  • Dynamic range – 60dB
  • Alarms “OVER” is when input is more than upper limit of range, “UNDER ” is when input is less than lower limit of range
  • AC analogic output 1 Vrms at FS (full scale)
  • DC analogic output 10mV / dB
  • Power supply One 9V battery, 006P or IEC 6F22 or NEDA 1604 4 AAA
  • Power life Approx 60 hours
  • Operation temperature 0 to 40°C (32 to 104°F)
  • Operation humidity 10 to 90%RH
  • Storage temperature -10 to 60°C (14 to 140°F)
  • Storage humidity 10 to 75%RH
  • Dimensions 285x55x25mm
  • Weight 185g (with batteries)
  • Warranty 1 year

For further technical details of the Sefram 9835 please refer to the datasheet.

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