Product Code: IC-NSRT_mk3
The NSRT_mk3 is a sound level meter datalogger with a type 1 digital MEMS microphone, an accurate date/time clock, and a non-volatile 128 Mb recording memory with a fast USB download. Now featuring a dust-protected microphone.
The Sound Level Meter Data Logger NSRT_mk3 is the third generation of Convergence Instrument's smart integrating sound-level meter/datalogger. It includes
a type 1 digital MEMS microphone, an accurate date/time clock, and a non-volatile 128 Mb recording memory with a fast USB download. You can use the
- Type I precision
- A, C and Z weighting curves.
- Integrating Sound-Level Meter, records L-max, L-min and Leq levels.
- Log interval adjustable from 125 ms (8 points per second) up to hours.
- Individual Manufacturer's Certificate of Calibration from Convergence Instrument provided with every instrument purchased.
- Digital very sensitive MEMS microphone (30 dBA typical noise floor)
- Completely sealed weatherproof enclosure designed for outdoors applications. Now includes an ePTFE membrane that seals the microphone against dust and water.
- All-digital design.
- Ultra-stable sensitivity (field recalibration is easily done, but seldom required)
- Very low sensitivity variation due to temperature changes
- Very low sensitivity to vibrations
- Software function calculates global Leq and/or dose, according to ISO and OSHA methods.
- Adjustable response time.
- Preprogrammed recording start date/time.
- Integrated oscilloscope function that can show the acoustic signal in real time.
- Integrated spectral analyzer function that can show the spectrum (or 3rd-octave bands) in real time.
- Can be used as a high-quality USB digital microphone
- Allows the observation of recorded levels while the recording is ongoing.
- Works standalone, or USB connected.
- Long life internal rechargeable battery that recharges from USB and most USB chargers.
- Can be field-calibrated.
- Observes and records 100% of the acoustic signal (no missed samples).
- Editable individual custom ID for easier instrument management.
- All settings are stored in non-volatile memory. So the instrument will regain full functionality from hard-reset or battery loss.
- Bandwidth: 20 Hz to 20 kHz
- Microphone Sensor: Digital MEMs
- Precision Class: Complies with the precision requirements of IEC61672-2002 Type I
- Saturation Level (typical at 1 kHz): 120 dB-A, 120 dB-C, 120 dB-Z
- Temperature Error: Better than 0.6 dB (-20 C < T < 60 C)
- Sensitivity to Vibrations: 60 dBSPL/g (20 dB lower than typical measurement microphone)
- Weighting Curve: dB-A, dB-C, dB-Z
- Noise-Floor (Typical): 30 dB-A, 46 dB-C, 52 dB-Z
- Recording Resolution: 0.1 dB
- Duty Rate of Signal Capture: 100% No Missed Samples
- Min Log Interval: 125 ms (8 points of Lmin, Lmax and LEQ per second)
- Real-Time Spectral Display: 2048-Point Power Spectrum; dB or Lin Scale.
- Calibration: Field-calibrated using a 1/2" calibrator
- Connectivity: USB
- Internal Battery Type: Integral Li-Poly; USB-Rechargeable
- Recharge Time: 2 h 30 (Typical)
- Internal Battery Autonomy (Full-Charge): 7 days while recording
- Internal Battery Life: > 300 Charge/Discharge Cycles
- Temperature Range: -20 C to 60 C (-4 F to 140 F)
- Recording Memory: Non-Volatile Flash Memory
- Recording Memory Capacity (RT128 Model): 128 Mb, Ex: can continuously record Lmax, Lmin and Leq levels at 1s intervals for 32 days, or 10s intervals for 320 days.
- Recording/Erasure Cycles: Greater than 100 000
- Data Retention: Greater than 20 Years
- Dimensions: 19 mm x 42 mm x 160 mm (0.75 x 1.65 x 6.25 inch)
- Weight: 100 g (0.1 lbs)
- Construction: Weather-proof enclosure
- Microphone Dust Protection: Expanded polytetrafluoroethylene (ePTFE) dust and water barrier
NSRT_mk3 Data Sheet (364 KB)
NSRT_mk3 User's Manual (971 KB)
USB Charge Conditioner - IC-USBCC
Product Code: IC-USBCC
USB Charge Conditioner connects in-line between the output of the USB power source and the USB cable going to the instrument. It should be connected as close to the instrument as possible.
$104.00 AUD + GST
$114.40 AUD Inc. GST
5 in stock
Convergence Instruments USB Solar Panel - IC-SP002
Product Code: IC-SP002
This SP 002 USB Solar Panel allows indefinite operation of the Noise Sentry RT and Noise Sentry RT-W instruments, even in prolonged overcast conditions. Its output voltage is always safe for these instruments.
$92.00 AUD + GST
$101.20 AUD Inc. GST
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