TSI SE-DL SoundPro Sound Level Meters

Descriptions of TSI SE-DL

These instruments feature large screen displays that enable real-time frequency analysis, and data-storing capabilities that make it easy to post-process and evaluate workplace noise levels. Available in Class/Type 1 and Class/Type 2 models.

Features and Benefits
▪ ANSI and IEC standards compliant
▪ Available in Class/Type 1 Precisions or Class/Type 2 General Purpose models
▪ Two “virtual” sound level meters running simultaneously
▪ Concurrent A-weighted and C-weighted measurements
▪ Programmable and level-triggered start and stop
▪ A, C and Z (flat) frequency weighting
▪ Fast, slow, and IEC impulse time response
▪ Selectable thresholds 10 dB – 140 dB
▪ 3, 4, 5, 6, dB exchange rates
▪ Luminescent keypad and backlit display
▪ SD memory card slot
▪ USB communications port and serial RS-232 output
▪ Display adjustable among multiple languages
▪ Time history data logging with 1 second to 60 minute intervals*
▪ Back erase function
▪ Noise dose calculation/dosimetry function

Applications
▪ Occupational noise evaluations
▪ Environmental noise assessments
▪ Noise ordinance enforcement and legal metrology
▪ General sound and frequency analysis
▪ Vehicle noise evaluations
▪ Building acoustics
▪ Mobile equipment evaluations

Technical specifications of TSI SE-DL

• Electrical Characteristics – Batteries 4 disposable AA alkaline cells, typically >10 hours continuous use without backlight (SLM only without filters activated); optional nickel metal hydride (NiMH) cells, typically 10+ hours (SLM only)
• External DC Power Input – 100 – 240 VAC, 47-63 Hz transformed to 9 VDC
• Standard Microphones – Class/Type 1 Precision – BK4936; Class/Type 2 General Purpose – QE7052; other optional types and sizes available from ¼” to 1”
  prepolarized or standard condenser types
• Microphone Polarization – Selectable 0 volts or 200 volts (Class/Type 1 models only)
• Microphone Sensitivity – Selectable nominal values in decibels relevant to 1 Volt/Pa
• Meter Input Impedance – 20 kΩ in series with 11 μF capacitance, with 100 pF capacitance to ground
• Remote Cable – Will drive up to 15 meters of cable with negligible signal loss
• Preamplifier – Removable preamp directly accepts ½” (0.52” or 13.2 mm)
  microphone; other sizes require adapter
• Preamplifier Input Impedance – Greater than 1 GΩ; less than 2pF
• Logging and Storage
  Logging  – DL Models only. LMax, LMin, LPk(peak), LN, LEQ/LAVG may be logged at 11 selectable intervals from one second to 60 minutes to the included SD (secure digital) memory card. Use TSI Quest Detection Management Software DMS to interpret data files
  Summary Data –  All session/study data is stored to the SD card.  Summary data may be interpreted with TSI Quest. Detection Management Software DMS, or exported
  to spreadsheet or XML file with an available utility
  Memory –  Accepts 32 MB to 32 GB SD memory cards. Card included with all models and stores multiple summary sessions/studies and for setup storage (Contact factory for preferred SD card manufacturers)
• Ports and Connections
  Power Jack  – External power supply 9-16 VDC
  AC/DC Output  – 3.5 mm stereo (tip-AC, Ring-DC, Ring2-Ground)
  10 Pin Auxiliary Connector  – RS-232, 3 digital outputs, 1 digital input
  USB – Conforms to USB 2.0, mini-USB connector
• Special Functions
  Back Erase – Selectable 1 to 20 seconds removal of measurement data (data removed by back erasing and retained in session file)
  Security  – 4 digit code protection for Runs and Setups available
  Optional Acoustic – Noise Criterion (NC) Curves, Preferred Noise
  Spectral Curves – Criterion (PNC) Curves, Room Criterion (RC) Curves, Balanced Noise Criterion (NCB) Curves, Noise Rating (NR) Curves, Audiometric Room Curves (per ANSI
  S3.1, per OSHA Hearing Conservation Amendment, and per ISO Hearing Screen for Audiology Booths)
  Optional Speech Intelligibility Function  – Firmware can be installed in the SoundPro series to allow the testing and evaluation of intelligibility of human speech through public address (PA), fire alarm and mass notification systems (MNS), the STIPA
  method in accordance with IEC 60268-16 and NFPA 72 National Fire Alarm Code. Results are in STI or CIS. On meter post-processing available
• Optional Reverberation
  Time (RT-60)  – Used to measure decay time or acoustic decay
  performance of a room or closed space
• Calibration
  History  – Complete calibration history with post study
  verification logged with calibration history
• Octave and Third Octave Filters (optional)  (base-10 bands, as recommended by IEC61260 [2001])
  Full Octave Filters – 11 bands with center frequencies from 16 Hz to 16 kHz
  Third Octave Filters – 33 bands with center frequencies from 12.5 Hz to 20 kHz