Portable digital sound level meter 30/130dB, 31.5/8kHz Digital sound level meter 30/130dB Digital sonometer 130dB, 8kHz Recording Sound Level Meter 130dB, 8kHz Class 2 Sound level meter/analyzer integrator with memory, 26/141dB, 20/20kHz, Recorder and USB host Class 2 Sound level meter/analyzer integrator with memory, 26/141dB, 20/20kHz, Recorder Class 1 Sound level meter integrator with memory, 25/141dB, 20/20kHz, Recorder Class 1 Sound level meter integrator with memory, 25/141dB, 20/20kHz, Recorder and USB host Class 1 Sound level meter integrator with memory, 25/141dB, 20/20kHz Class 2 integrator sound level meter, 30-130 dB, LA measurement Acoustic dosimeter mono channel, class 2 Acoustic dosimeter double channels, class 2 Sound level alert with alarm, 30-130dB DC alarm relay module 3m cable for SL130 sonometer or RH520A hygrometer Datalogging Sound Level Meter, 30-130dB, 31.5Hz/8kHz, USB port Acoustic dosimeter mono channel, class 2, 64Mo memory, audio recorder Acoustic dosimeter double channels, class 2, 64Mo memory, audio recorder Digital sound level meter 30-130 dB, 31.5Hz-8kHz Sound level meter, vibrometer, analyzer infrasound & ultrasound, 22-140 dBA, 0.1Hz-90kHz Sound level datalogger, 30-130 dB, 31.5Hz-8kHz AC alarm relay module 3m cable for SL130 sonometer or RH520A hygrometer Digital sound level meter with PC USB interface, 30-130 dB, 31.5Hz-8kHz Class 1 sonometer & acoustic dosimeter, mono channel (2 channels in option) Class 1 sonometer & acoustic dosimeter, mono channel (2 channels in option), with audio recorder Hygro-Thermo-Anemometer-Light-Sound Meter Class 2 integrator sound level meter, 30-130 dB, LA & LAeq measurement Integrator class 2 sound level meter, 30-130 dB, L, Leq, LAeq, LE, Lpk Recording sound level meter, 30-130dB A & C, RS232, DC & AC analog output Multifunctions: Sound level meter, thermo-anemometer, hygrometer, luxmeter Data Logging Sound Level Meter/Datalogger 30 to 130dB Integrator class 2 sound level meter, 30-130 dB, L, Leq, LAeq, LE, Lpk, 1/3(option) & 1/1 Octave Classe 2 dosimeter, 40-140 dB, A, C & Z weighting, 1 Lq & Lp channel, 1 peak channel Classe 2 dosimeter, 40-140 dB, A, C & Z weighting, 1 Lq & Lp channel, 1 peak channel, octave Integrator class 1 sound level meter, 25-140 dB, L, Leq, LAeq, LE, Lpk, 1/3(option) & 1/1 Octave Personal noise dosimeter, 60-143 dB, A,C,Z weighting, USB PC interface Vibration meter and FFT analyzer Class 1, with data recorder on USB key Pen vibration meter, 20.39g(656ft/s2) +- 0.01g(1ft/s2), 7.87in/s(+-0.02in/s), 10Hz-1kHz Vibration meter, 200m/s2 +-0.5m/s2, 200mm/s +-0.5mm/s, 2mm +-0.005mm, 10Hz-1kHz Vibration Meter, 0.5-199.9m/s2, 0.5-199.9 m/s, 10Hz to 1kHz, datalogger on SD card Vibration tester for machine diagnosis (motors, fans, pumps, compressors...) Vibration meter, accurate way to check bearings and overall vibration Sound level meter calibrator 94 or 114dB, standard source 1kHz Accoustics calibrator class 1, 94 and 114dB, 1kHz Accoustics calibrator class 1, 114dB, 1kHz Sound calibrator, 94dB, 1000Hz, 0.5/1 inch Sound level calibrator, 94/114 dB Acoustic controller, 90dB, 1kHz; For SDA sonometer only Sound meter calibrator, 94 & 114dB, 1 kHz, +-0.5dB, +-0.4% Class 2 sound calibrator, 94dB, 1000Hz, 0.5/1 inch Wireless logger, shocks 3 axis, Free-fall height, temperature, humidity, light