Máy đo cường độ âm thanh Onosokki LA-1410/1440

  • Model : LA-1410/1440
  • Bảo hành: 12 tháng
  • Tình trạng: Còn hàng
  • Hãng: Onosokki
  • Giá bán: Liên hệ Giá đã bao gồm thuế VAT 10%
  • Đặt hàng
    • Khung giờ giao hàng từ 8h00 - 17h00 hàng ngày.
    • Sản phẩm chính hãng, cung cấp CO & CQ.
    • Bảo hành phụ kiện miễn phí từ 01 đến 06 tháng tùy từng loại, hóa chất tiêu hao không bảo hành.
    • Bảo hành 12 tháng miễn phí đối với thân máy chính theo tiêu chuẩn nhà sản xuất.
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Máy đo cường độ âm thanh Onosokki LA-1410/1440

Hãng sản xuất: Onosokki - Nhật bản

LA-1410 ●Integrating sound level meter (Class 2) for product testing and measuring 
  the sound level generated from machines etc.
●High-performance and cost-effective model
LA-1440

●Integrating sound level meter (Class 2) for measuring the working environment 
  and environmental noise 
●Auto measurement function by timer and trigger.
●Level trend can be recorded at the interval from 1ms. (Lp memory function)
●Equipped with USB and RS-232C interfaces

LA-4440

●Precision integrating sound level meter (Class 1) for sound analysis and 
  product testing. 
●Time weighting (10ms, Impulse) corresponding to the fast sound fluctuation.
●Level trend can be recorded at the interval from 1ms. (Lp memory function)
●Equipped with USB and RS-232C interfaces


Class 1 LA-4440 (Precision integrating sound level meter) 

Class 2 LA-1410/1440 (Integrating sound level meter)


LA-1410 LA-1440 LA-4440
Applicable standard IEC 61672-1:2002 Class 2 IEC 61672-1:2002 Class 1

JIS C 1509-1:2005 Class 2

JIS C 1509-1:2005 Class 1
Microphone

1/2-inch backelectret-type
condensor microphone MI-1432
Nominal sensitivity level:-29 dB

1/2-inch backelectret-type
condensor microphone MI-1234
Nominal sensitivity level:-29 dB

Preamplifier

MI-3111 Preamplifier for mocrophone

Linearity range

100 dB

Measurable frequency range 10 Hz to 8 kHz(IEC, JIS) 10 Hz to 20 kHz(IEC, JIS)
Measurement level range A:26 to 137 dB(IEC, JIS)
C:31 to 137 dB(IEC, JIS)
Z:36 to 137 dB(IEC, JIS)
A :27 to 137 dB(IEC, JIS)
C:30 to 137 dB(IEC, JIS)
Z:35 to 137 dB(IEC, JIS)
Frequency weighting

A,C,Z

Intrinsic noise

A:20 dB or less
C:25 dB or less
Z:30dB or less

A:19 dB or less
C:22 dB or less
Z:27dB or less

Level range

20 to 90 dB, 30 to 90 dB, 40 to 100 dB, 50 to 110 dB, 60 to 120 dB, 70 to 130 dB, 40 to 120 dB

Time weighting

FAST, SLOW

FAST, SLOW, Impulse, 10 ms
Measurement items Lp, Leq , LE, Lmax, Lmin, Lpk, L(LHI, L5, L10, L50, L90, L95, LLO, LAV)
Level trend p, every kind of calculated value Lp, every kind of calculated value
(Read out the displayed value as auto memory call)
Sampling interval 31.25 μs (other than LN ) 
100 ms(LN)
20.8 μs (other than LN
100 ms(LN)
Measurement time Manual, arbitrary setup (199 h 59 m 59 s max.)
Total measurement time --- Arbitrary setup (199 h 59 m 59 s max.)
Start mode Manual only Manual, timer (time setting, in increment of 1 second), trigger (can be started after a lapse of specified time [0 to 10 seconds, in increment of 1 second] after trigger detection: trigger delay function)
Calibration Electrical calibration by internal calibration signal (1 kHz sine wave), calibration by external sound calibrator
Recommended sound calibrator SC-3100A Sound calibrator (piston-phone type)
Display LCD with LED backlight semitransparent (124 x 64-dot) 
Measurement value display by numeric and bar indicators 
List display and trend graph display for various kinds of calculated values 
Displays of date, time, measurement time, and conditions of various kinds of instruments
Display update time Display by numeric:1 s, display by bar indicator: 0.1 s, trend screen: 0.2 s
Manual memory function  Total calculated values: 100 addresses
Auto memory function ---  Leq: 1000 addresses x 200 blocks 
Total calculated values: 100 addresses x 200 blocks
Lp Record memory function --- Sound level with time weighting is stored at the specified interval. (1000 address × 200 blocks)
Storing intervals (1 ms, 2 ms, 5 ms and 10 ms)
Measurement condition memory function Condition memories (9 kinds)
Resume function Settings activated at power ON can be selected from follows; settings used at previous power OFF, factory setting, and any condition memory number which is set from menu.
Backup function

The backup of data stored in clock and memory can be performed by built-in secondary power source. 
• Time for full charged: approx. 24 hours 
• Backup period: more than 3 months (when stored at temperature of 23 °C)

AC output *1 0.707 Vrms/F.S (normal range), 2.238 Vrms/F.S. (wide range), load resistance 10 Ω or more (with upper-limitation value of bar indicator)

Frequency weighting can be selected: conjunction with selected frequency weighting or fixed to Z-weighting.

DC output *1 2.5 V/F.S. (with upper-limitation value of bar indicator) 
Amount of voltage fluctuation per 10 dB: 0.25 V 
Load resistance: 10 kΩ or more
External control input --- Operation: toggle operation of start/place in pause

Specifications of hardware: negative pulse input
 (voltage level: Low:0.0 to 0.5 V, Hi:3.0 to 50 V)

Pulse width: 100 ms or more
Absolute maximum rated input voltage: 5 V

Comparator function (Option: LA-0141) *2 --- Set comparison value:40.0 to 130.0 dB
(in increment of 0.1 dB) 
Comparison item:Lmax or Lpeak 
Delay time:0 ms, 100 ms, 1 s, 5 s 
HOLD time:100 ms, 1 s, 5 s, manual 
Output logic: negative or positive logic 
Output format:open collector
(withstand voltage:+3 to +24 VDC, current:50 mA or less)
Timer function Built-in (year/month/day/hour/minute)
RS-232C

---

Control of operation, data output, print out (to the DPU-414 printer) 
Baud rate:9,600/115,200 bps
USB

---

Control of main unit and data output, print out (to BL-112U printer) 
USB2.0 FULL SPEED (connecting virtual COM port)
Cable extension *3

(Between microphone and main unit)

305 m max. 105 m max.
Power requirement Type AA battery × 2 pcs. (manganese (6R) or alkaline (LR6) or oxyride (ZR6)) or PB-7090 AC adapter (option)
Battery life (continuous using) Approx. 8 hours (LR6 alkaline battery in use / 23 °C/ backlight off / not RS-232C・USB in use)
Operating (storage) temperature range -10 to 50 °C (-20 to 60 °C)
Operating (storage) humidity range 25 to 90 %RH (10 to 90 %RH) with no condensations
Outer dimensions Approx. 78(W) × 263(H) × 47(D) mm
Weight
(including batteries)
Approx. 375 g(including batteries)
Accessories Windscreen×1 (φ 70 mm), carrying case×1, hand strap×1, type 
AA battery × 2 pcs.
Option
  • LA-0141 Comparator output

  • SC-2120A Sound calibrator (speaker type)

  • SC-3100A Sound calibrator (piston-phone type)

  • AG-2010 Microphone extension cable (10 m)

  • AG-2030 (30 m) Microphone extension cable (30 m)

  • AG-2050 (50 m) Microphone extension cable with code reel (50 m)

  • AG-2100 (100 m) Microphone extension cable with code reel (100 m)

  • LA-0203C Tripod for sound level meter

  • PB-7090 AC adapter (100 to 240 VAC)

  • AX-501 Signal input-output cable (2 m)

  • AX-5022 RS-232C cable for PC (2 m)

  • DPU-414 Thermal printer
    ( AX-5024 RS-232C cable for printer (2 m) is supplied as standard)

  • PW-C0725-W1-U AC adapter (100 to 240 VAC) for DPU-414

  • BL-112UI Recommended thermal printer with USB interface (by SANEI Electronics)


*1 AC or DC output is selectable from menu of sound level meter. 
*2 Comparator function (LA-0141, option) cannot be installed with the LA-1410. 
*3 The cable length given here is the length when each of the exclusive cable sold by Ono Sokki is used. The cable length less than 30 m is applicable to CE marking.

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