ONO SOKKI LA-7500 Sound Level Meter (Class 1), 10 Hz to 20 kHz
ONO SOKKI LA-7500 Sound Level Meter (Class 1), 10 Hz to 20 kHz
ONO SOKKI LA-7500 Sound Level Meter (Class 1), 10 Hz to 20 kHz

ONO SOKKI LA-7500 Sound Level Meter (Class 1), 10 Hz to 20 kHz

£2451.00 (£2,941.20 inc VAT)

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SKU: LA-7500 Categories: , Brand:

Description


LA-7500 Sound Level Meter (Class 1), 10 Hz to 20 kHz

The LA-7500 Sound Level Meter conforms to various international and domestic standards and is designed to be easily connected to a PC. An SD memory card and USB connector are provided as standard to meet the growing requirements for computer processing of measurement data captured by the LA-7500. Data can be easily read by simply connecting the sound level meter to a Windows-based PC, without the need for special software.

Key Features

  • 110 dB Linearity Range
  • Single, Dual or Quad Mode Measurement
  • 1/1 Octave Band Analysis Function (Standard)
  • Large Screen with Touch Keys for Easy Operation
  • USB and RS-232C Interface
  • Supports SD / SDHC Cards

Product Images

Product Videos

YouTube Video
ONO SOKKI High Function Sound Level Meter LA-7000 series
YouTube Video
ONO SOKKI - Sound Level Meter LA 7000 Series (Features)

Documentation


LA-7700 Class1 LA-7500 Class1 LA-7200 Class2
Applicable standard JIS C 1509-1: 2017 Class1
JIS C 1516 : 2020 Class1		 JIS C 1509-1: 2017 Class2
JIS C 1516 : 2020 Class2
IEC 61672-1: 2013 Class 1 IEC 61672-1: 2013 Class 2
ANSI S1.4-2014/Part1 Class1 ANSI S1.4-2014/Part1 Class2
Measurement frequency range 10 Hz to 20 kHz 10 Hz to 20 kHz
1 Hz to 20 kHz*1		 10 Hz to 8 kHz
Measurement level range (IEC, JIS) A: 20 to 128 dB
C: 28 to 128 dB
Z: 34 to 128 dB		 A: 24 to 138 dB
C: 32 to 138 dB
Z: 38 to 138 dB
Z: 50 to 138 dB *1
G: 35 to 138 dB *1
or more*1		 A: 23 to 138 dB
C: 30 to 138 dB
Z: 36 to 138 dB
Self-noise level A: 12 dB or less
C: 20 dB or less
Z: 26 dB or less		 A: 16 dB or less
C: 24 dB or less
Z: 30 dB or less
G: 27 dB or less*1		 A: 17 dB or less
C: 24 dB or less
Z: 30 dB or less
Microphone MI-1281 MI-1271 MI-1471
Microphone preamplifier MI-3270
Linearity range Wide range: 110 dB / Normal range: 80 dB
Level range 10 to 120 dB (wide)/50 to 120 dB/40 to 110 dB/30 to 100 dB/20 to 90 dB/10 to 80 dB/0 to 70 dB 20 to 130 dB (wide)/60 to 130 dB/50 to 120 dB/
40 to 110 dB/30 to 100 dB/20 to 90 dB/10 to 80 dB
Reference range 50 to 120 dB
Time weighting e.g.: LAF F (fast), S (slow), I (impulse) and 10 ms F (fast), S (slow), I (impulse), 10 ms and 10 s*1 F (fast), S (slow), I (impulse) and 10 ms
Frequency weighting  e.g.: LAF A, C and Z A, C, Z and G*1 A, C and Z
Measurement items Lp, Leq, LE, Lmax, Lmin Lpeak,
LN (L5, L10, L50, L90, L95, Lhigh, Llow, Lave, and two more of any LN data)
Sampling interval 15.6 µs (Lp, Leq, LE, Lmax, Lmin, Lpeak), 100 ms (LN)
Measurement time e.g.: If you want to measure a fixed 10-minute period every hour,
and wish to measure this for 24 hours,
M.T:10 minutes, P.T: 1 hour, and T.T: 24 hours
Measurement time (Meas.Time) Manual (OFF), user-specified setup: 0.1 to 199 hour 59 min. 59.9 sec. resolution: 0.1 sec.
Period time (Period Time) 1 min. to 24 hours / resolution: 1 min.
Total Time (Total Time) 0.1 sec. to 999 hour 59 min. 59.9 sec. / resolution: 0.1 sec.
Start mode Manual start, timer start, count down start, level start
Display device 4.3-inch LCD with color backlight (touch panel type)
Digital display 4-digit/ resolution: 0.1 dB/ update cycle: 1 s
Bar indicator Wide range: 100 dB of display range/ Normal range: 70 dB of display range
Remaining battery level display 4-step display
Operation mode (Online) mode
Standard : SLM-single, Dual, Quad, Filter 1/1, RTA1/1
Option : Filter 1/3 (LA-0702), RTA 1/3 (LA-0702), FFT (LA-0703), LSIM (LA-0707), SQE stationary sound (LA-0708A)
Standard : SLM-single, Dual, Quad, Filter 1/1, RTA1/1
Option : Filter 1/3 (LA-0702), RTA 1/3 (LA-0702), FFT (LA-0703), LSIM (LA-0707)
*SQE stationary sound (LA-0708A) is not available.
Offline mode (LA-0704 required)
Standard : SLM-single, Dual, Quad, Filter 1/1, RTA1/1
Option : Filter 1/3 (LA-0702), RTA 1/3 (LA-0702), FFT (LA-0703)
Overlay display Overlay display Standard: RTA 1/1
Option: RTA 1/3 (LA-0702)
Background noise correction Standard: RTA 1/1
Option: RTA 1/3 (LA-0702)
Memory function Stored in an SD/SDHC card (SDHC card: up to 32 GB.)
Memory mode
MANUAL (CSV file) ………standard function
AUTO (instantaneous value, calculated value, CSV file) ………standard function
LOGGING (instantaneous value, 10 ms or 100 ms, CSV file) ………standard function
RECORD (WAVE file: 64 kHz sampling) ………required for the LA-0704
Panel condition memory Internal memory (internal condition : 5, EZ condition : 5, power off memory : 1),
SD or SDHC card memory (number : depends on the capacity)
Basic measurement mode 5 modes (EZ1: LAeq+LCpeak, EZ2: Record, EZ3: Logging 100 ms, EZ4: NC, EZ5: Loudness)
Clock function Built-in (year/ month/ day/ hour/ minute)
Continuous operation time : approx. 1 year (charging time: 24 hours from entire discharge state)
Calibration history function Built-in memory (number of stored points: approx. 100 points),
Content (Calibration value, VR position for control, internal reference signal of used sound calibrator, calibration date)
Resume function Stores measurement conditions into the built-in memory
Calibration Reference signal (when connecting external device) Electronic calibration by built-in transmitter (1 kHz sine wave)
Normal range: -6 dB of full-scale
Wide range: -16 dB of full-scale
Recommended calibrator SC-2600, SC-2500A SC-2600, SC-2500A SC-2600, SC-2500A, SC-2120A
Output/Input Phone output (headphone output) Actual sound or recorded sound (playback sound)
Selected 1 band of actual sound or recorded sound (playback sound) in 1/1 octave filter (standard function) or 1/3 octave filter mode (option: LA-0702)
When “UD” of level simulator (LSIM: LA – 0707) is selected, level editing sound. When “AP” is selected, the real sound.
Maximum output: 0.03 mW (63 Ω: at 1kHz)
Connector: stereo φ3.5
AC output Outputs one of A, C, or Z interlocked with the main display
AC output level
Output level : 0.707 Vrms ±5 (normal range), 2.236 Vrms ±5 (wide range) when range full-scale input, 1MΩ loaded
Distortion rate (range full scale) : 0.2 % or less
Load resistance : 10 kΩ or more
Offset voltage : ±30 mV or less
Output impedance : 50 Ω ± 2%
AC/DC output Selectable form DC, AC-Z or Through
DC output level 2.5 V ±20 mV (normal range, wide range) when range full-scale input, 1MΩ loaded

Scale factor : 0.25 V±10 mV/10 dB
Load resistance : 10 kΩ or more
Output impedance : 50 Ω ± 2%
AC-Z output level
Output level : 0.707 Vrms ±5 (normal range), 2.236 Vrms ±5 (wide range) when range full-scale input, 1MΩ loaded
Distortion rate (range full scale) : 0.2 % or less
Load resistance : 10 kΩ or more
Offset voltage : ±30 mV or less
Output impedance : 50 Ω ± 2%
Through output level 0.707 Vrms ±5 % (normal range/ wide range) when full-scale input, 1MΩ loaded
Distortion rate (range full scale): 0.2% or less
External control input
Operation : Reset and start
Control voltage : non-voltage contact input
Input pulse width : 200 ms or more
Absolute max. input voltage : 24.0 V
Level judgment output (*LA-0705) Open collector (output withstand voltage : DC+24V or less, sink current : 20mA or less)
*Output cable (Multi I/O -BNC connector 2 m) : provided as standard
Level judgment comparison item SLM mode (Main : Lp), Filter 1/1, 1/3 (Main (BP) : Lp), RTA 1/1, 1/3 (AP1 : Lp), FFT (OVERALL : Instant)
Interface RS-232C Baud rate: 9600, 115200 bps, multi I/O cable (sold separately)
USB Compliant with USB high speed storage class specification ver. 2.0,

USB connection cable : USB (A) male – USB (mini) male (sold separately)
Function : Command control or mass storage*2
External memory SD/SDHC memory card (SDHC : up to 32 GB)*3
Applicable extension cable (for microphone extension) *4 103 m (CE conforming cable: up to 30 m)…AG-3400 series
*Cable extension exceeding 5 m : with correction function.
Power supply · Size AA battery (alkaline battery cell or Ni-MH secondary battery) x 4 pieces
· USB bus power (operating input voltage range: 4.75 to 5.25 VDC)
· AC adapter (PB-7090, power consumption: approx. 7 VA when using 100 VAC)
External power operation function The main unit is activated automatically when the power is supplied from an AC adapter.
(This function is not available by battery cells.)
Switch on/off can be done with the switch in the battery box (standard function)
Windscreen correction function Function to correct the influence of windscreen (φ70)/
All-weather type windscreen (LA-0207A)
LA-7700 : all-weather type windscreen cannot be used with
Battery life (continuous use) *5 Alkaline battery cell LR6 : approx. 12 hours
Ni-MH secondary battery: approx. 12 hours
Operating (storage) temperature range -10 to 50 °C (-20 to 60 °C)
Operating (storage) humidity range 20 % to 90 %RH (10 % to 90 %RH) with no condensation
Outer dimensions Approx. 90(W)×279(H)×42(D)
Weight Approx. 540 g (including batteries)
Accessories · AC adapter (PB-7090)*6
· Hand strap
· SDHC memory card (16G)		 · Signal cable (AX-501)
· Size AA battery cell x 4 pieces
· Instruction manual (CD)		 · Windscreen (φ70 mm)
· Carrying case (including shoulder belt)
· Setup guide

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