User Manual

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831 Sound Level Meter and NMS
DS-0097 revG
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TC4013 Reson high sensitivity low frequency miniature hydrophone. 1Hz-170kHz, 700m operating depth,
cable terminating in LEMO with BNC adaptor. 6m standard cable length, various cable lengths available
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42AA Pistonphone Calibrator, 114 dB @ 250 Hz
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RA0043 Pistonphone coupler for TC4013 hydrophone
ADP005 BNC to 1/2 in microphone thread adapter, 18 pF with shorting
TL8013 Protective cage for TC4013 hydrophone
Additional Power Options
See online for additional information
079A11
079A15
Additional Power Options
See online for additional information
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BAT011 DC 12V 21Ah External Sealed Lead Acid Battery non-spillable 6”x 9”x 4” 10lb unit, charger included
upon request
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CBL143 External Power Cabling for Two External 12 V Batteries
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CBL168 External Power Cabling for One External 12 V Battery
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BAT015 8 D cell battery holder with fuse with power connection to meter
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079A10 Holds 1/4" microphone/preamplifier pair via friction fit, and mates to standard camera tripod via 1/4"-
20 thread
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079A11 Holds 1/2” microphone/preamplifier pair via friction fit, and mates to standard camera tripod via
1/4"-20 thread
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079A15 Tripod for temporary/attended testing. When used with 079A11 clip, holds mic/preamp pair with
windscreen. Not designed to support weight of sound meter
Additional Tripod Options
Continuous Audio Recording accessories
Additional Accessories
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831-GPS GPS unit for 831 provides global positioning information to 831 data, connects via auxiliary USB
connection
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ACC003 Headset with microphone boom, 2.5mm micro-jack for voice annotation
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ADP074 ICP® interface cable allows connection of a single axis ICP® accelerometer, provides BNC connection
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ADP097 Direct input adaptor BNC for Model 831
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CAL200 Class 1 acoustic calibrator with user selectable output of 94 or 114 dB at 1 kHz. 1/2” opening
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SWW-DNA Data Navigation and Analysis Software navigate through extensive data with measurement
organization, reporting, and data post-processing tools
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EPS036-831 Environmental enclosure kit with (2) BAT011, battery charger, cabling and case mounted tripod.
Typically provides 14 days of operation per charge
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EPS037 Large environmental enclosure kit with BAT012, 100 Ah battery, battery charger and cabling. Typically
provides 28 days of operation per charge
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CAL250 Class 1 acoustic calibrator with 1 inch opening, output of 114 dB at 251.2 Hz
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ADP019 1/2" microphone adaptor for CAL250 1" calibrators
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ADP114 1/4" microphone adaptor for CAL250 1" calibrators
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ACO WS7 7” Windscreen for ½” microphones
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ACO-WS7-80T 7" Windscreen for 1/2" Microphones (80ppi) Dense-Treated Windscreen
Underwater Acoustics
R-05
D Cell Power Supply
32 GB SD Card
3.5 to 2.5mm
Connectivity Cable
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KR-05 Continuous Sound Recording Kit - includes Roland R-05 wave mp3 recorder with AC and DC power
supplies, cable and adaptor to connect to the Larson Davis 831.
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D Cell Power Supply
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3.5 to 2.5mm Connectivity Cable
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32 GB SD Card
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R-05 Roland Wave mp3 recorder
KR-05 Components