Wireless Sound Level Meter Data Logger with Type 1 Microphone
Product code: IC-NSRTW_mk4
The NSRTW_mk4 is a wireless sound level meter datalogger with a dust-protected type 1 digital MEMS microphone, an accurate date/time clock, a non-volatile 128 Mb recording memory and wireless connectivity with fast USB and WiFi download.
- Alerts on LEQ as well as instantaneous level and measures and records Lpeak.
- Specially designed for long-term outdoors applications.
- Sound level and acoustic dose measurement and recording.
- Monitoring of safe working conditions.
Additional 1 year product warranty!
$1,319.30
AUD + GST
$1,451.23
AUD Inc. GST
3+$1,292.914ex. GST
5+$1,279.721ex. GST
10+$1,266.528ex. GST
Brand:
Convergence Instruments
Need help? Call our scientists & select with confidence
Scott
- 25/1/2023
“Website was clear and easy to navigate. Order was delivered in good time.”
The Wireless Sound Level Meter Data Logger NSRTW_mk4 is the 4th generation of Convergence Instruments WiFi enabled smart integrating sound-level meters/dataloggers. It includes a digital MEMS microphone, an accurate date/time clock, a non-volatile 128 Mb recording memory and wireless connectivity.
Running on battery, it can record sound pressure levels and report them through WiFi for a week. Connected to an external USB charger it can record and report for months. Its very small size allows it to be attached to or embedded within the monitored equipment.
Every Wireless Sound Level Meter Data Logger NSRTW mk4 purchased is provided with an Individual Manufacturers Certificate of Calibration from Convergence Instruments. This all-digital design includes the A, C and Z weighting curves. It is enclosed in a completely weatherproof casing which is designed for indoors and outdoors applications.. Its highly sensitive Type 1 MEMS microphone has a noise floor of 30 dB-A, and is ultra stable with time and temperature variations. The software includes an oscilloscope and spectrum analyzer features, as well as email alarms.
Features:
- Alerts on LEQ as well as instantaneous level
- Measurement and recording of Lpeak
- More than one email address for alerts
- Can connect to open network nearby if specified network is not working
- Type I precision
- Type I precision
- A, C and Z weighting curves.
- Integrating Sound-Level Meter, records Lpeak, L-max, L-min and Leq levels.
- Log interval adjustable from 125 ms (8 points per second) up to hours.
- Individual Manufacturers Certificate of Calibration from Convergence Instrument provided with every instrument purchased.
- WiFi connectivity to report measured levels remotely and automatically at preset intervals.
- Email alerts on level, LEQ, as well as low-battery.
- 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 and WiFi connection from hard-reset or battery loss.
- Compatible with Convergence Instruments Cloud service
Specifications:
- 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 Lpeak, Lmin, Lmax and LEQ per second)
- Real-Time Spectral Display: 2048-Point Power Spectrum dB or Lin Scale.
- Calibration: Field-calibrated using a 94 dB 1/2 calibrator
- Connectivity: USB, WiFi
- Radio Standard: IEEE 802.11 b/g/n (2.4GHz-only transceiver)
- Radio Certification: FCC, IC, Japan, Korea, CE
- Battery Type: Integral Li-Poly USB-Rechargeable
- Recharge Time: 2 h 30 (Typical)
- Battery Autonomy (Full-Charge): 7 days while recording (WiFi operation will drain battery slightly more, depending on rate of connect)
- Battery Life: more than 300 Charge/Discharge Cycles
- Temperature Range: -20 to 60 C (-4 to 140 F)
- Recording Memory Type: Non-Volatile Flash Memory
- Recording Memory Capacity: 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)
- Weight: 100 g (0.1 lbs)
- Construction: Weather-proof enclosure
- Microphone Dust Protection: Expanded polytetrafluoroethylene (ePTFE) dust and water barrier
- WiFi Security: Open, WEP, WPA / WPA2
- Server Connection: IP address/Domain Name
- Protocol: TCP/IP Proprietary Protocol
Files
| File | Type | Size | Created At |
|---|---|---|---|
| NSRTW_m..eet.pdf | 747.74 KB | 9/5/2023, 5:45 PM | |
| NSRTW_m..ual.pdf | 2.20 MB | 9/5/2023, 5:45 PM |
Delivery Details
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Free Delivery in Australia for orders over $100
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For alternate delivery options and international shipping, click here.
FREE Express Road Courier (NO PO Box, Authority to leave) - Bulky Items |
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Free Delivery in Australia for orders over $100. Typically 2 to 5 working day delivery time to capital cities (Up to 2 weeks outside these locations.)
- Products are shown as bulky items on their product pages - Delivered only on business days at your location, delivery unavailable on weekends and public holidays
- Shipped from Instrument Choice on South Australian working days
This service does not deliver to Post Office Boxes
Free Delivery in Australia for orders over $100
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For alternate delivery options and international shipping, click here.
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