Item_3_Specification.pdf

ITEM #3:

Quest (or equivalent model) SoundPro Sound Level Meter DL-1 1/1 & 1/3 Octave

Datalogging RTA & Calibrator Meter

General:

Display Languages: Chinese, Czech, English, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, and Turkish

User Interface: 10 push buttons and 4 soft keys, menu driven

Display Type: Transflective 128 X 64 Dot Matrix LCD with additional fiber optic backlighting

Conformance to Standards:

EMC Requirements: EN/IEC 61326-1(2005) Group 1, Class B Emissions/ Industrial

Location Immunity. CFR:47 (2008) Part 15 - Meets FCC Class B Emissions

Performance EN/IEC 61672-1(2002), ANSI S1.4 (R2006), Requirements: ANSI S1.43(R2007), EN/IEC 61260 (2001), ANSI S1.11 (R2009), (also meets requirements of former standards IEC 60651 and 60804) IEC60268-16 (2003) with Speech Intelligibility option

Safety Requirements: IEC61010-1 (2010)

Certifications: CE Mark, WEEE, RoHS

Measurements:

Parameters: SPL, LMax, LMin, LPk(peak), LEQ/LAVG, SEL, LN (selectable L1 to L99), TWA, Taktm, Taktmx, Dose, PDose, Exposure (Pa2H/Pa2S), LDN, CNEL, PTWA, L C-A

Ranges: 120 dB+ (A-weighted) total dynamic measurement range over 8 individual ranges of 90 dB (A-weighted) each (with filters - 80 dB ranges); overall measurement range 0 dB to 140 dB

Peak Range: Up to 143 dB using standard BK4936 microphone; higher with optional microphones and preamps

Frequency Weighting: A, C, Z and F (Flat)

Response Time: Fast, Slow, IEC Impulse

Exchange Rates: 3, 4, 5, and 6 dB

Criterion Level: 40 to 100 dB

Upper Limit Time Logging: 10 to 140 dB selectable

Run Modes: Level triggered run/pause, clock/date triggered power on and run for programmed duration, external logic input run/pause, and keypad initiated run/pause for programmed duration.

Measurement References: SPL: 114 dB Frequency: 1 kHz

Direction: 0 degrees using free-field response microphone

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

Calibration:

History: Complete calibration history with post study verification logged with calibration history

Specifications: All Specifications Subject to Change.

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 3M™ 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 3M™ 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)

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 Firmware can be installed in the SoundPro

Intelligibility Function: series to allow the testing and evaluation of intelligibility of human speech through public address (PA), fire alarm and mass notification systems (MNS), the STI-PA 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 Used to measure decay time or acoustic decay

Time (RT-60): performance of a room or closed space

Ports and Connections

Power Jack: External power supply 9-16 VDC

AC/DC Output: 3.5 mm stereo (tip-AC, Ring-DC, Ring2-G

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 Greater than 1 GΩ; less than 2pF

Impedance:

Physical Characteristics

Size: 3.1"W X 11.1"H X 1.6" thick (with preamp & microphone); 7.9 cm X 28.2 cm X 4.1 cm

Weight: 0.54 kg or 1.2 lbs. (including batteries)

Housing: Stainless fiber filled ABS polycarbonate with additional internal EM/RFI shielding

Tripod Mount: Standard photographic mount on rear accepts

¼"- 20 screw threads

Environmental

Temperature: Operating -10ºC to +50ºC (<± 0.5 dB effect); Storage -25ºC to +70ºC

Humidity: 10% to 90% RH, non-condensing

External Fields: Electric – 10 V/meter, 1 kHz modulated, 30 MHz – 1

GHz, <55 dBC; magnetic - 80 A/m, 50/60 Hz, no significant effect