Amphenol THE MODAL SHOP 831 User manual

www.modalshop.com | 513-351-9919 | [e-mail]
831 Sound Level Meter and NMS
DS-0097 revG
Information including:
Please note that USB’s are used as a default, but G4 Utility software and 831 Manual are
also available for download from www.larsondavis.com in the “Support” section.
Feel free to call us if you have any questions! [phone]
•This sheet as a reference
•831 Operation Manual
•G4 Utility software *Note*
•SLM Utility – G4 Operation Manual
•Calibration certs for each meter and microphone, and calibrator
•
Rental Tracking Sheet, includes serial numbers of units shipped
*Note*:
G4 LD Utility software is compatible with all 32 bit and 64 bit versions of Windows 7 and 8.1, and 10. The administrator of the PC must install G4 for successful installation. Rental laptops are
available with G4 software preloaded. Meter setup and data download services are also available.
CAL200 Calibrator with adapters (if
necessary), manual or instruction sheet.
Chapter 17 of the 831 Manual is short (<10
pages!) and covers calibration, including
meter screenshots.
ADP1091/4 in adaptor
079A06
079A07
1/2" Mic Windscreen, 3.5” diameter or
1/4” Mic Windscreen, 3.5” diameter
Microphone (see table on right)
PRM831
Preamps ship in a protective case.
Included
EXC010
EXC020
EXC050
EXC series cable, 5 pin Switchcraft
extension cable, used as optional
extender between meter and preamp.
10, 20 and 50 ft lengths available.
CBL138
USB Cable USB A to Mini USB, connects
meter to computer or power.
PSA029
AC Power Adaptor.
Batteries
(4) AA rechargeable batteries. Batteries
may be installed in meter.
Microphone(s)
377B02 ships unless otherwise requested. Model 831 can apply
a digital correction factor to measure Random Incidence with a
Freefield Microphone (and the reverse). Units ship with case,
o-ring to mate between preamplifier and mic in outdoor use,
desiccant, and microphone guideline sheet.
Quantity
Microphone
Model
Size
Type
Noise
Floor
(dBA)
Low Range
Indicator
(dBA)
Overload
(dBpk)
377B02
1/2"
Freefield
17.1
26.2
143.5
377C20
1/2"
Random
15.3
24.4
143.5
377C01*
1/4"
Freefield
35.7
44.8
172.3
377C10*
1/4"
Pressure
36.3
45.5
178.8
377A12*
1/4"
Pressure
37.5
48.6
192.8
*Includes ADP043 1/4 inch microphone to 1/2 inch preamp adaptor
831 (Firmware revision 2.314 or higher)
Meter Options and Special Notes:
831-LOG Time History Logging (multi parameter, increments from 20ms to 24hr)
831-ELA Measurement History Logging: exceedance/events, intervals, and daily
831-OB3 Selectable real time 1/1 and/or 1/3 octave filter set
831-IH Industrial Hygiene: selectable standard doses (OSHA, ACGIH, NIOSH, IEC)
831-SR Sound Recording: level and dynamic based event recording and more
831-FST Fast time history logging 2.5, 5 and 10ms speeds (requires LOG and OB3)
831-FFT 400 to 6400 line FFT with selectable span 100Hz-20kHz with windowing
831-RT Reverberation Time room acoustics ( ISO 3382-2:2008 and ASTM E2235-
04)
831-LOWN Low noise configuration (include LOWN FAQ)
Preload Meter Setup: preload user specified measurement set up onto meter(s)
prior to shipment from The Modal Shop
Data Download from meter(s) upon return to The Modal Shop and electronically
send data to the following recipient(s):
Other:
Videos are available showing calibration and other helpful hints at - http://www.modalshop.com/rental/learn/acoustics/sound-level-meter-831
Job # _________________ Customer _________________________
First Rental Period †__________________________
† Rental period starts the calendar date after shipment, and ends on date returned.
Rentals can be kept beyond the initial period, and are extended at the same period and rate.
Rentals returned in an extension period are billed at a net prorated basis based on return date.
Let us know if your company requires a new PO or payment method for extension charges.
This shipment contains ______ 831 kits.
Each kit includes one of each item in this section unless noted.
SECTION 1:
SECTION 1:
SECTION 2:
One accessory kit included for each family of
meter rented unless otherwise specified.
NOTE: Preamplifier release button

www.modalshop.com | 513-351-9919 | [email protected]
831 Sound Level Meter and NMS
DS-0097 revG
SECTION 4: Outdoor components for 831-based NMS kits.
EPS042 kit for multi-day use. Includes:
Battery quick guide
BAT015 8 D-cell battery pack
BAT015 installation guide
BAT015 battery door
D-cell batteries
Power connection to meter
Powers 831 for 9 days, typically, with
appropriate power save settings selected in
meter set up. Can also load only 4 batteries
into battery pack for half the run time.
Power Options
CCS001-831 Hard shell case for Model 831 Sound Level
Meter
Standard method. Each unit ships in individual case.
Useful if meters are being divided up at test location.
Typical Box size and weight: 22”x16”x10”, 15 lb
CCS001-831-4 Rugged case holds up to (4) 831 or LxT
units with preamplifiers and microphones, and (1)
CAL200 calibrator.
Lower shipping costs by eliminating standard cases that
ship with each meter.
Typical Box size and weight: 20”x16”x14”, 25 lb
SECTION 3:Meter Case Options
Microphone Environmental Protection Kit
TRP003 Ultimate support tripod, max height 8ft,
used in portable NMS systems
Tripod for unattended monitoring. Ship weight
14 lb for 1, 25 lb for 2, box 64”x 8”x 8”
ADP034 Larson Davis adaptor used to connect
the EPS2116 to the TRP003 tripod
TRP001 Larson Davis Instrumentation tripod
with ADP032 preamp to tripod interface
Lightweight tripod, height adjusts from 21” to
56”. Not recommended for long term
monitoring or in heavy wind. Includes 1/4 – 20
mount
Tripod Options
No Tripod Use your own tripod option. Use
any tripod with a 1/4-20 male mounting
thread (typical camera thread). Can be used
with the 079A11 or EPS2116.
EPS2116 Environmental protection for 1/2 in
preamplifiers (PRMLXT or PRM831), with
windscreen & bird spike. Mounting options for
1/4-20 thread (TRP001), 1.5 in. pipe (TRP003) and
3/4 in. NPT pipe included
Please see the following video for EPS2116 set up
details: www.modalshop.com/rental/learn/
acoustics/eps2116-setup
No Environmental Protection Kit Use your own EPS system or an
alternate mounting as noted below.
EPS2106-2 Environmental protection for 1/2" ICP® preamplifiers
(PRMLXT or PRM831) , includes windscreen, bird spikes, desiccants
and threaded for 3/4" standard solid-wall PVC conduit thread (FEM)
EPS2108-2 Environmental protection for 1/2 in preamplifiers
(PRMLXT or PRM831), with windscreen, bird spikes, desiccants, 1/4-
20 thread (FEM) for use with tripods.
EPS044-SLA kit for multi-day use. Includes:
CCS051 case with foam inserts, brackets, power
distribution block, and accessories
BAT0020 35 Ah 12 Volt SLA battery *
PSA038 Solar Charge Controller *
CBL224-02 Charge controller to power block cable *
CBL225-01 Fused battery cable *
CBL226-02 Solar connectors to solar charger cable *
CBL228-03 831C to power block cable *
ACC009 monopole (or alternate as noted in section 4)
EPS2116-044-CASE containing power connector
removal tool, guy wires, ground stakes, and Phillips #2
and #0 screwdriver
Typical run time of 11-12 days with power save options activated
and no USB peripheral usage.
*Denotes pre-installed items

www.modalshop.com | 513-351-9919 | [e-mail]
831 Sound Level Meter and NMS
DS-0097 revG
SECTION 5: Weather Sensor Kit
______
SEN031 Combined weather sensor: wind
speed and direction, temperature, humidity,
pressure, rainfall (includes coupler)
______
SEN032 Combined wind speed and direction
sensor
______
DVX008A USB Adaptor for DBM9 interface
______
CBL229 Cable for SEN031 and SEN032. Serial
port for control and data, Anderson
Powerpole connectors to power from
EPS044. Connects to Model 831 with
DVX008A.
______________ Cable Length
______
TRP003-WTHR Tripod adaptor for SEN031.
Includes 24” horizontal bar, heavy duty
clamp and 3/4” X 4“ PVC
______
CBL225-01 Adaptor power cable for battery
with spade connectors and Anderson
Powerpole connectors. 1 ft. length
This shipment contains ______ weather system kits (includes one of each item in this section unless noted)
SECTION 6: Building Acoustics Accessories
______
BAS001 Omnidirectional source for Reverberation Time, Room and Building Acoustic Measurements –
integrates with 831-RT option to offer easy ISO 3382-2 and ASTM E2235-04 testing
______
BAS002-U Power Amplifier for BAS001 and BAS002. Includes signal source files
______
BAS003 Directional source for the evaluation of the transmission loss index of a façade
______
TRP023 Tripod for BAS001 and BAS003
______
BAS004 Tapping machine with battery pack and remote control. For ISO 10140, ISO 140, DIN 52210, B5 5821,
ASTME 492 measurements
______
BAS006 Impulse generating source for building acoustics designed for wide frequency range
______
CBL180 AC/DC out to BAS002 input
BAS001 Omnidirectional Sound Source
BAS006 Impulsive Source
BAS003 Directional Sound Source
BAS004 Tapping Machine
TRP003-WTHR
Coupler
DVX008A
CBL229
SEN031
or
SEN032
SLP002 Portable 100 Watt solar panel with
stand and connectors for use with EPS044
Continually charges battery of EPS044 for
extended run time
Power Options Continued

www.modalshop.com | 513-351-9919 | [e-mail]
831 Sound Level Meter and NMS
DS-0097 revG
______
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
______
42AA Pistonphone Calibrator, 114 dB @ 250 Hz
______
______
______
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
______
BAT011 DC 12V 21Ah External Sealed Lead Acid Battery non-spillable 6”x 9”x 4” 10lb unit, charger included
upon request
______
CBL143 External Power Cabling for Two External 12 V Batteries
______
CBL168 External Power Cabling for One External 12 V Battery
______
BAT015 8 D cell battery holder with fuse with power connection to meter
______
079A10 Holds 1/4" microphone/preamplifier pair via friction fit, and mates to standard camera tripod via 1/4"-
20 thread
______
079A11 Holds 1/2” microphone/preamplifier pair via friction fit, and mates to standard camera tripod via
1/4"-20 thread
______
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
______
831-GPS GPS unit for 831 provides global positioning information to 831 data, connects via auxiliary USB
connection
______
ACC003 Headset with microphone boom, 2.5mm micro-jack for voice annotation
______
ADP074 ICP® interface cable allows connection of a single axis ICP® accelerometer, provides BNC connection
______
ADP097 Direct input adaptor BNC for Model 831
______
CAL200 Class 1 acoustic calibrator with user selectable output of 94 or 114 dB at 1 kHz. 1/2” opening
______
SWW-DNA Data Navigation and Analysis Software navigate through extensive data with measurement
organization, reporting, and data post-processing tools
______
EPS036-831 Environmental enclosure kit with (2) BAT011, battery charger, cabling and case mounted tripod.
Typically provides 14 days of operation per charge
______
EPS037 Large environmental enclosure kit with BAT012, 100 Ah battery, battery charger and cabling. Typically
provides 28 days of operation per charge
______
CAL250 Class 1 acoustic calibrator with 1 inch opening, output of 114 dB at 251.2 Hz
______
ADP019 1/2" microphone adaptor for CAL250 1" calibrators
______
ADP114 1/4" microphone adaptor for CAL250 1" calibrators
______
ACO WS7 7” Windscreen for ½” microphones
______
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
______
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.
______
D Cell Power Supply
______
3.5 to 2.5mm Connectivity Cable
______
32 GB SD Card
______
R-05 Roland Wave mp3 recorder
KR-05 Components