SoundAdvisor Model 831C
A-3
User Interface
Keyboard
: 13 keys, quiet elastomer touch with
blue back-lighting for measurement control and
data navigation
Status Indicators
:
• Red LED under the STOP/STORE key
indicates measurement stopped
• Green LED under the RUN/PAUSE key
indicates measurement running
• Green LED under the power key indicates
battery charge and power on/off in
progress
Display
:
• TFT full color LCD, 240 by 320 dot matrix
• White backlight with adjustable brightness
and on–time
• Touch screen to assist in data navigation
and measurement control
• Multiple color themes for various lighting
conditions
Display update rate
: ≤ 1 s
Lock
: User interface may be locked and unlocked
Languages
: Czech, English, French, German,
Italian, Norwegian, Portuguese, Russian, Spanish,
Swedish, Turkish
Input
Connector
: Latching 5-pin circular connector,
mates to PRM831 or EXCxxx cables
Preamplifier Supply
: 36 volt at 5mA available to
power preamplifier
Input Impedance
: ≥ 100k
Ω
|| 300 pF
Direct Input
: Absolute maximum of ±35 V, DC bias
readout 0 to +35 V
Gain Control
: Selectable 0 or +20 dB gain
Full Scale Input 0 dB Gain
: ±14.14 Vpeak AC
Full Scale Input +20 dB Gain
: ±1.414 Vpeak AC
ICP Input (use ADP074)
: Constant current of 4
mA, maximum voltage of 28 V
Sample Rate
: 51,200 sps
USB Client Interface
Type
: USB 2.0 High–Speed Mini–B connector
Power Draw
: ≤ 500mA from PC, USB Hub, or
PSA029
Supported Hosts:
• Computer with SLM Utility-G4
• Ethernet Dock 831INT-ET
• NoiseTutor
• Computer with custom software using
SWW-G4-SDK or SWW-G4-WIN
USB Host Interface
Type
: USB 2.0 High-Speed, standard A connector
Supported Devices
:
• USB Flash Memory Drive, up to 32GB FAT-32
Format, PN 831-M
• Ethernet Adapter, 1G/100M/10M, PN
DVX012
• Ethernet Adapter & USB Hub, 1G/100M/
10M, PN DVX013
• WiFi Wireless Adapter, Edimax EW-7811Un,
or D-Link DWA-121, PN DVX014 (WPA/WPA2
encryption)
• GPS Receiver HOLUX M-215, PN GPS001
• Multi–Metric Weather Sensor, Vaisala
WXT520, PN SEN031
• Ultrasonic Wind Sensor, Vaisala WMT52, PN
SEN032
• Wireless LTE Gateway, Sierra Wireless
AirLink RV-50, PN COM-RV50-DC-E or COM-
RV50-DC-U
AC/DC Output
Connector
: 2.5mm (3/16”) Sub-Miniature Phone
Jack, AC Output on RING, DC Output on TIP
AC Output Selections
: (1) Off, (2) 0 dB, (3) +20 dB,
(4) +40 dB, and (5) Preamp 10V
Gains of 0, +20 and +40 are relative to
measurement full scale.
AC Output Voltage
: For 0 dB through +40 dB
selection: ±2.12 Vpeak Maximum (-16.5dB re. to
input), suitable for LINE inputs
For Preamp selection: ±14.14 Vpeak Maximum
AC Output Impedance
: 1k
Ω
|| 1000pF
AC Output Frequency Weighting
: No frequency
weighting is applied. Includes input's 0.1Hz high-
pass filter only
DC Output Voltage
: 10 mV/dB, +2.2 V maximum,
0V ≈ 0dB & 2V ≈ 200dB
DC Output Impedance
: 1k
Ω
|| 1000pF
Note: DC Output only while meter is running
