Sonomètre Bruel & Kjaer 2239 A

EUR 1.300,00 Achat immédiat ou Offre directe, EUR 15,00 Livraison, Garantie client eBay
Vendeur: alaine19 ✉️ (644) 0%, Lieu où se trouve: Alix, FR, Lieu de livraison: WORLDWIDE, Numéro de l'objet: 295750789768 Sonomètre Bruel & Kjaer 2239 A. Vds un sonomètre intégré Bruel & Kjaer 2239A d'occasion en très bon état. Sorti d'un milieu professionnel. Livré avec son étui de protection uniquement. Piles non incluses. Veuillez regarder les photos.  Specifications – Integrating Sound Level Meter Type 2239 A STANDARDS  Conforms with the following: • IEC/EN 61672 (2002) Class 1 • IEC 60651 Type 1 (1979) and amendment 1 (1993) and Amend- ment 2 (2000) • IEC 60804 Type 1 (2000) • EN 60651 Type 1 and Amendment 1 (2000) • EN 60804 Type 1 and Amendment 1 (2000) • ANSI S1.4 –1983 Type S1 • ANSI S1.43 – 1997 Type 1 MEASURING RANGES NOISE FLOOR Below measurement range – less than 30 dB DETECTORS Simultaneous RMS and Peak with independent frequency weightings Linearity Range: 70 dB Pulse Range: 73 dB Non-linear Distortion: insignificant Peak Detector Rise Time: Typically 50 μs (< 100 μs) FREQUENCY WEIGHTINGS RMS: A or C Peak: C MICROPHONE Type 4188 Prepolarized Free-field 1/2 ′′ Condenser Microphone Sensitivity: –30 dB re 1 V/Pa ± 2 dB Frequency Range: 8 Hz to 16 kHz ± 2 dB Capacitance: 12 pF TIME WEIGHTINGS F, S, I (Fast, Slow, and Impulse) PARAMETERS Types: Leq, MaxP, MaxL, MinL, Peak, SPL, Inst. Resolution: 0.1 dB Updated: Once per second EXCHANGE RATE 3 dB MEMORY 40 Records of Measurement Results CLOCK Real-time (calendar) and measurement duration VIBRATION SENSITIVITY < 80 dB at 1 m/s2 horizontally < 85 dB at 1 m/s2 vertically AC OUTPUT Short-circuit protected LEMO series 00 socket Max. Output: 0.5 V RMS Output Resistance: 100 Ω Output: Linear DISPLAY 4 line back-lit LCD showing: • Input signal level – indicated with a quasi-analog bar (updated 15 times per second) • Selected parameter with level • Warnings for overload and low battery power • Measuring range • Time and frequency weighting • Elapsed measurement time • Menus for displaying and editing settings • Stored measurement results can be recalled BATTERIES Four 1.5 V LR6/AA size alkaline cells Lifetime (at room temperature): Typically >12 h EFFECT OF MAGNETIC FIELD 80 A/m (1Ørsted) at 50 Hz gives < 34 dB SERIAL INTERFACE Compatible with: • EIA–574 • EIA–232–E with 25-pole adaptor Baud Rate: 9600 Data Bits: 8 Stop Bit: 1 Parity: None Handshake: XON/XOFF ENVIRONMENTAL EFFECTS Storage Temp.: –25 to +60°C (–13 to +140°F) Operating Temp.: –10 to +50°C (14 to 122°F) Temperature Effect: <0.5dB (–10 to +50°C) Humidity Effect: <0.5dB for 30%
  • Condition: Occasion

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