Global Specialties GNV-101 User Manual
GNV-101
Sound Level Meter
(with data logging)
Class 2
User Manual
Global Specialties
Table of Contents
Safety..................................................................................................2
Compliance and Certications............................................................3
Features.............................................................................................4
Specications.....................................................................................5
Instrument Description.......................................................................6
Display Functions...............................................................................7
Operating Instructions..................................................................8-10
Power....................................................................................8
Max/Min Hold........................................................................8
Frequency Weighting............................................................8
Battery Replacement and Indicator.......................................9
Calibration.............................................................................9
Measurement......................................................................10
Operating Precautions........................................................10
Data Logging Set-up........................................................................11
Installation...........................................................................12
Main Menu..........................................................................12
Graph..................................................................................13
Toolbar.................................................................................13
Zoom...................................................................................14
Datalogger...........................................................................14
Quick Start Tutorial..............................................................15
Warranty/Service Information..........................................................16
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Global Specialties
Safety
To avoid personal injury and/or product damage, review and comply with
the following safety precautions. These precautions apply to both operating
and maintenance personnel and must be followed during all phases of
operation, service, and repair of this probe.
Dry Conditions
Hands, shoes, oor, and work bench must be dry. Avoid making
measurements under humidity, dampness, or other environmental
conditions that might affect safety.
Cleaning
Use a soft cotton cloth lightly moistened with a mild solution of
detergent and water. Do not allow any portion to be submerged
at any time. Dry thoroughly before attempting to make voltage
measurements. Do not use solvents or expose to solvent fumes as
they may cause deterioration or damage
Do not operate:
• In the presence of noxious, corrosive, flammable fumes,
gases, vapors, chemicals, or finely-divided particulates.
• In environments where there is a danger of any liquid being
spilled on the probe.
• In air temperatures exceeding the specified operating
temperatures.
• In atmospheric pressures outside the specified altitude limits or
where the surrounding gas is not air.
© 2018 Global Specialties (a brand of Cal Test Electronics). All rights reserved.
Unauthorized duplication of Global Specialties documentation materials is strictly prohibited.
Customers are permitted to duplicate and distribute Global documentation for internal educational
purposes only.
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Global Specialties
Compliance and Certications
CE Compliance
This product meets the essential requirements of the applicable
European Directives as follows:
• 2014/30/EU: Electromagnetic Directive (EMC)
• 2011/65/EU: Restriction of Hazardous Substances
Directive (RoHS)
Safety
This product meets the follow standard(s) of safety for electrical
equipment for measurement, control and laboratory use:
• IEC/EN 61672-1:2013
Disposal
(Applicable in the European Union and other European
countries with separate collection systems). This
product is subject to Directive 2012/19/EU of the
European Parliament and the Council of the European
Union on waste electrical and electronic equipment
(WEEE), and in jurisdictions adopting that Directive, is
marked as being put on the market after August 13,
2005, and should not be disposed of as unsorted
collection facilities in the disposition of this product.
municipal waste. Please utilize your local WEEE
Caution! Refer to the operating instructions.
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Global Specialties
Features
• Meets IEC 61672-1 Class 2 requirements
• Records up to 64,000 data points
• Recorded data exportable to EXCEL via a USB interface
• Fast and slow time weighting
• 60 dB dynamic range
• A and C frequency weighting
• AC and DC outputs available from standard 3.5 mm coaxial socket for
use with a frequency analyzer, level recorder, FFT analyzer, etc..
• Min/max function
• Battery capacity indicator
• Analog bar graph and digital display
• Manual and auto range functionality
• Tripod mount for long term monitoring
• Includes windscreen, battery and hard carrying case
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Global Specialties
Specications
Safety Standard Applied IEC 61672-1 Class 2
Measuring Level Ranges Low: 30 to 90 dB
Sample Rate Fast 125 ms
Accuracy ± 1.4 dB @ 94 dB, 1 kHz
Dynamic Range 60 dB
Frequency Range 20 Hz to 8 kHz
Frequency Weighting A / C
Microphone 1/2 Inch electret condenser
Data Logging Capacity 64,000 records
Digital Display 4 Digit display
Analog Display 30 Segment bar graph
Alarm Functions OVER and UNDER alarm functions indicating
AC Ouput 1 Vrms at full scale
DC Output 10 mV/dB
Power Supply 4 AAA batteries: NEDA 24A, IEC LR03
Battery Life Approx. 24 hours
External Power Supply 5 VDC (micro USB plug)
Operating Temperature 0 to 40 °C (32 to 104 °F)
Operating Humidity 10 to 90% Relative humidity
Storage Temperature -10 to 60 °C (14 to 140 °F)
Storage Humidity 10 to 75% Relative humidity
Altitude Up to elev. of 2000 meters (~6,500 ft.)
Dimensions 264 x 63 x 29 mm (10.4 x 2.5 x 1.1”)
Weight Approx. 245g (8.6 oz)
Included Accessories
Operating Limits and Functions
Med: 50 to 110 dB
High: 70 to 130 dB
Auto: 30 to 130 db
Slow 1000 ms
Displays
Resolution: 0.1 dB
Display Update: 0.5 sec
Resolution: 2 dB
Display Update: 100 ms
when sound level is outside the set range
Electrical Specifications
Environmental Specifications
Mechanical Specifications
4 AAA batteries, User manual, windscreen,
carrying case, USB cable
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