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GeneralSpecifi cations
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WN100Wireless Sound Level Meter
Yokogawa Electric Corporation2-9-32, Nakacho, Musashino-shi, Tokyo, 180-8750 Japan
GENERALWN100 is a battery operated wireless sound level meter designed as a fi eld device used under harsh environment or explosive atmosphere, and it is suitable for measurement of large sound at noisy area such as an offshore platform or a process plant to protect workers from noise exposure.In combination with the noise map software WN30 which is also provided by Yokogawa, WN100 enables to create a dynamic online noise map.The wireless communication is compliant with ISA100.11a protocol specifi cations.
FEATURES● Sound Level Measurement and Spectral
AnalysisWN100 measures three frequency-weighted sound level parameters (LAeq,T, LCeq,T, LCpeak) in accordance with IEC61672.Spectral analysis is provided as 1/3 octave band data.LAeq,T, LCeq,T , LCpeak and 1/3 octave band data are transmitted to the host system with wireless communication.
● Long Life Battery OperationWN100 can continuously measure sound level for 2 years without replacing batteries.
● Antivibration stageDedicated antivibration stage improves low level sound measurement by reducing a mechanical vibration effect from an installation environment.
STANDARD SPECIFICATIONS FUNCTIONAL SPECIFICATIONSFREQUENCY-WEIGHTED SOUND PRESSURE LEVELMeasurement Parameters:
Measurement Time Interval (Measurement Period):10 s to 600 s
Self Diagnostics:Electronics failure, configuration error, battery alarm, wireless communication alarm and over-range error for process variables.
POWER SUPPLY SPECIFICATIONSBattery Pack:Dedicated battery pack with 2x primary lithium-thionyl chloride batteries is replaceable in hazardous area. • Rated voltage: 7.2 V • Rated capacity: 19 AhTypical battery life is 2 years at 1 minute measurement interval under the following conditions.• Ambient temperature: 23±2°C• Sound level measurement: LAeq,T, LCeq,T , LCpeak only
WIRELESS SPECIFICATIONSCommunication Protocol:
ISA100.11a protocolData Rate:
250 kbpsFrequency:
2400-2483.5 MHz license free ISM bandRadio security:
AES 128 bit RF Transmitter Power:
Less than 10.0 dBm (EIRP)Antenna:
+2 dBi Omni directional monopole type
INSTALLATION ENVIRONMENTAmbient Temperature Limits:
Operating: -20 to 70°C Storage: -25 to 70°C
Ambient Humidity Limits:Operating: 0 to 100%RH (non-condensation) Storage: 0 to 90%RH (non-condensation)
Vibration Resistance:Mechanical vibration from an installed environment significantly affects to the sound level measurement.In combination with the dedicated antivibration stage, LAeq,T can be measured down to around 65 dB under the vibration of 0.4 m/s2 rms at a typical offshore platform.
Horizontal Attitude:Tilt angle limit of the anti-vibration stage: ±6°
REGULATORY COMPLIANCE STATEMENTSPlease confirm that an installation region fulfills an applicable standard. If additional regulatory information and approvals are required, contact a Yokogawa representative.
CE Conformity:RoHS Directive:
EN50581ATEX Directive:
See “OPTIONAL SPECIFICATIONS (For Explosion Protected Types)”
RE Directive:Safety: EN61010-1 (Indoor/Outdoor use), EN61010-2-030, EN62479EMC: EN 301 489-1, EN 301 489-17, EN61326-1 Class A, Table 2, EN61326-2-3, EN55011Radio Spectrum: EN 300 328
PHYSICAL SPECIFICATIONSHousing:
Low copper cast aluminum alloyCoating of housing:
Urethane curing type polyester resin powder coating Mint-green paint (Munsell 5.6 BG 3.3/2.9 or its equivalent)
Degrees of Protection:IP55 rating applies when the antenna connector is properly tightened and the all-weather protector is properly used.
Weight:7.1 kg (including battery and antivibration stage)
ATEX Intrinsically safe Approval Applicable Standards: EN 60079-0:2012+A11:2013, EN IEC 60079-0:2018, EN 60079-11:2012, EN 60079-28:2015Certificate: Presafe 19 ATEX 14009X
II 1 G Ex ia op is IIC T4 GaAmb. Temp. (Tamb): –40 to 70 °C (–40 to 158 °F)
KS27
IECEx
IECEx Intrinsically safe Approval Applicable Standards: IEC 60079-0:2017, IEC 60079-11:2011, IEC 60079-28:2015Certificate: IECEx PRE 19.0003XEx ia op is IIC T4 GaAmb. Temp. (Tamb): –40 to 70 °C (–40 to 158 °F)
All-weather protector F9095GK*6 All-weather protector with windscreen
Windscreen F9095GL*7 Polyurethane foam
Antivibration stage F9095GM 316 SST baseplate with dampers
*1: If you need F9915MA, please purchase F9915NQ. F9915NQ is a set of F9915MA and instruction manual.*2: If you need F9915NS, please purchase F9915NK. F9915NK is a set of F9915NS and instruction manual.*3: Alternatively, Tadiran SL-2780/S, TL-5930/S or VITZROCELL SB-D02 batteries can be purchased from your local distributor.*4: Extension by remote antenna cables or use of any other antennas except for F9915KW are not permitted.*5: Alternatively, Ono Sokki MI-1271 can be purchased from your local distributor.*6: Alternatively, Norsonic P4560 can be purchased from your local distributor.*7: Alternatively, Norsonic P4529 can be purchased from your local distributor.
<Ordering Information>Specify the following when ordering Model, suffix codes, and option codes
<Related Products General Specifications>Field Wireless System: Refer to GS 01W01A01-01ENField Wireless Management Station YFGW410: Refer to GS 01W02D01-01ENField Wireless Access Point YFGW510: Refer to GS 01W02E01-01ENFieldMate Versatile Device Management Wizard: Refer to GS 01R01A01-01ENoise Map Software WN30: Refer to GS 01W07E01-01EN
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