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Description

High Function Sound Level Meter LA 3260/3560/3570

Specification

  LA-3570 LA-3560 LA-3260
Applying standard IEC 61672-1: 2002 Class 1
JIS C 1509-1: 2005 Class 1		 IEC 61672-1: 2002 Class 2
JIS C 1509-1: 2005 Class 2
Measurement range (IEC, JIS) A:22 to 130 dB
C:28 to 130 dB
Z:36 to 130 dB		 A:27 to 140 dB
C:32 to 140 dB
Z:38 to 140 dB		 A:26 to 140 dB
C:30 to 140 dB
Z:36 to 140 dB
Intrinsic noise A:14 dB or less
C:20 dB or less
Z:28 dB or less		 A:19 dB or less
C:24 dB or less
Z:30 dB or less		 A:20 dB or less
C:24 dB or less
Z:30 dB or less
Frequency range (IEC, JIS) 10 Hz to 15 kHz 10 Hz to 20.0 kHz 10 Hz to 8.0 kHz
Microphone MI-1211
1/2-inch bias type		 MI-1235 
1/2-inch electret type		 MI-1433 
1/2-inch electret type

Sensitivity level
(re. 1 V/Pa)

 -20 dB ± 1.5 dB -29 dB ± 3 dB -29 dB ± 3 dB
Microphone preamplifier MI-3310 MI-3230
Linearity range Wide range: 110 dB / Normal range: 80 dB
Level range 7 ranges 
20 to120 dB / 50 to 120 dB / 40 to 110 dB / 30 to 100 dB / 20 to 90 dB / 10 to 80 dB / 0 to 70 dB		 7 ranges 
30 to 130 dB / 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 F(fast) , S(slow), I(impluse), 10 ms
Frequency weighting A,C and Z
Measurement items Lp, Leq, LE, Lpeak, Lmax, Lmin, 
LN ( L5, L10, L50, L90, L95, LLO,LHI, LAV and two more any LN data)
Sampling interval 15.6 μs (Lp, Leq, LE, Lmax, Lmin, Lpeak), 100 ms (LN)
Measurement (calculation) time Manual (0 sec), user-specified setup: 0.1 to 199 hr. 59 min. 59.9 sec.
Resolution:0.1sec
Total time 0 sec. to 199 hr. 59 min. 59.9 sec. resolution: 0.1sec
Interval time 1 min to 24 hr. resolution: 1 min
Start mode Manual start, timer start, count down start, level start, external control (shunts the external control terminal)
Dual mode function Provided as standard (simultaneous measurement of 2 kinds selected from 3 conditions of frequency weighting x 4 conditions of time weighting)
Quad mode function Provided as standard (simultaneous measurement of 4 kinds selected from 3 conditions of frequency weighting x 4 conditions of time weighting)
Display device 3.5” LCD with white backlight
Digital display 4-digit / resolution 0.1 dB / updated every 1s
Bar indicator Wide range: 100 dB of display range / Normal range: 70 dB of display range
Remaining battery level display 4-step display
Memory function Stored in an SD/SDHC card (SDHC card: up to 32 GB is available)
  Mode MANUAL, AUTO (instantaneous value, calculated value), RECORD (WAVE file, 64 kHz sampling…required for the LA-0354), LOGG10, LOGG100
Panel condition memory Panel Condition (SD/SDHC), power off memory
Basic measurent mode 5 modes (EZ1:LAeq + LCpeak / EZ2: Record / EZ3: Logging 100 ms / EZ4: NC /
EZ5: Loudness (under construction)
Clock function Built-in (Year / month / day / hour / minute)
retention time of content: approx.5 years (charging time: 24 hours from entirely discharge state)
Backup function Stores measurement conditions into the built-in memory
Calibration signal Electronic calibration by the built-in transmitter (1 kHz sine wave)
Wide-range: -16 dB of full-scale / Normal range: -6 dB of full-scale
Recommended calibrator SC-3120
Phone output
(headphone output)		 Actual sound or recorded sound (playback sound)
*Selected 1 band of actual sound or recorded sound (playback sound) by 1/1 or 1/3 filter mode when the option (LA-0351/0352) is installed.
Maximum output: 10mW (63Ω :at 1kHz) connector:stereo3.5Φ
AC Output

Outputs one of A, C, or Z interlocked with the main display, update interval: 15.6 μs
  AC Output level Output level: 0.707 Vrms ±5% (normal range), 2.234 Vrms ±5% (wide range)
Output impedance 50 Ω±2%, load resistance 10 kΩ or more, offset voltage ±10mV or less
AC / DC output Selectable from DC, AC-Z or Through
  DC output level 2.5V ±20 mV (normal range), 2.5 V±10 mV (wide range), Scale factor 0.25 V ±10 mV/10dB

AC-Z output level

 Output level: 0.707 Vrms ±5% (normal range), 2.234 Vrms ±5% (wide range)
Output impedance 50 Ω±2%, load resistance 10 kΩ or more, offset voltage ±10mV or less

Through output level

 0.707 Vrms ±5% (normal range, wide range)
Output impedance 50 Ω±2%, load resistance 10 kΩ or more, offset voltage ±10mV or less
Comparator output Outputs the status in open collector signal after comparing the setup value with the calculated value.(required for the LA-0355)
External control input Operation: Reset and start
Control voltage: non-voltage contact input
Input pulse width: 200 ms or more
Absolute max. input voltage: 24.0V
Interlocking on/off function 
with an external power supply		 The main unit is activated automatically when the power is supplied from an AC adapter. (required for 
the LA-0357)
*When this function is installed, the LA-3000 series does not operate on battery power.
Interface RS-232C Baud rate: 9600, 115200 bps, AX-5022 cable (sold separately)
USB

Compliant with USB storage class specification ver.1.1,
USB connection cable :USB (A) male-USB(mini-B 5-pin) male (sold separately)
External memory SD/SDHC memory card (SDHC card: up to 32 GB is available)
Microphone extension*1 103 m (CE marking compliant: up to 30 m)
Power supply Type AA battery (alkaline battery cell or rechargeable battery cell) x 4 pieces or AC adapter (PB-7090 power consumption: approx. 7 VA when at 100VAC )
Battery life (continuous use)*2 LR6 alkaline battery cell: approx. 8 hours
Ni-MH secondary battery: approx. 8 hours
Operating (storage) 
temperaature range		 -10 to 50 °C (20 to 60 °C)
Operating (storage) 
humidity range		 22 to 90 % RH (10 to 90 %RH) with no condensation
Outer dimensions Approx. 379 (H) x 106 (W) 
x 49.3 (D) mm		 Approx. 311 (H) x 106 (W) x 49.3 (D) mm
Weight Approx. 680 g (including batteries) Approx. 630 g (including batteries)
Accessories AC adapter (PB-7090), signal cable (AX-501), windscreen (Φ70 mm), hand strap, alkaline type AA battery x 4 pieces, carrying case (including shoulder belt), SD memory card (1 GB), instruction manual

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