Sefram 9835/9836 Sound Level Meters

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Benefits of the Sefram 9835, 9836 for Sound Level Measurement With 60 dB Dynamic Range

  • Sound level meters with 60 dB dynamic range for each level range.
  • Time weighting Slow/Fast and frequency weighting A/C.
  • Advanced model with USB, sound level recording, audio recording, timestamp and more.

Sefram 9835/9836 Sound Level Meters

The Sefram 9835/9836 sound level meters are compact and easy to use. The basic model 9835 has fast/slow time weighting and a A/C frequency weighting. The Min/Max function enables to display values on a chosen period. The advanced model 9836 can record data with timestamp. Real time recording is possible with the provided software. Its memory (8 GB micro SD card, extendable 32 GB) allows datalogging with a capacity of 128,000 records with adjustable sample rate. In addition to level sound recording, the Sefram 9836 features sound audio recording which can be listened to with the provided software.

  • Datalogging with 128,000 records (Sefram 9836).
  • 60 dB dynamic range for each level range.
  • Timestamp (Sefram 9836).
  • Time weighting Slow/Fast.
  • Frequency weighting A/C.
  • Max/min function.
  • USB interface (Sefram 9836).
  • Windows software (Sefram 9836).
  • Standard IEC 61672-1 Class 2.
  • Analog output (suitable for recorder).
  • Optional microphone extension cable (10 m, Sefram 9836).

Model Overview

ModelSefram 9835Sefram 9836
Frequency range20 Hz...8 kHz
Measuring level range30...130 dB
Frequency weightingA/C
Microphone½" electret condenser microphone
DisplayDigital: LCD; 4 digits; digital display resolution 0.1 dB; display uptdate 0.5 s.
Analog: 30 segment bargraph, resolution 2 dB; update 0.5 s
Time weightingSlow/fast
Frequency weightingA/C
Accuracy±1.4 dB±1.0 dB
Dynamic range60 dB
Data logging capacity-128,000 points
AC analog output1 VRMS at FS (full scale)
DC analog output10 mV/dB
Min/MaxYes
Additional features-Sound level recording, audio recording, timestamp, optional microphone extension cable (10 m)
Interfaces-USB
Standard appliedIEC 61672-1 Class 2IEC 61672-1 Class 2, ANSI S1.4 Type2
Power supply1x 9 V battery, 006P or IEC 6F22 or NEDA 1604; lifetime approx. 60 h4x AAA, NEDA 24A, IEC LR03 batteries; lifetime approx. 20 h, approx. 5 h with sound recording ON; power consumption approx. 0.2 W; external power supply 5 VDC (micro-USB plug)
Environmental (operation)0...40°C; 10...90% rel. humidity
Dimensions (mm)285 x 55 x 25; 185 g (with batteries)270 x 63 x 29; 305 g (with batteries)

Included: Sefram 9835 or 9836, batteries, windscreen, carrying case; additional for Sefram 9836: Instruction manual, micro SDHC card, USB cable, 3.5f plug, software.
Option for Sefram 9836: Microphone extension cable (10 m; ordering-code 998351000).