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VM-53A RION超低頻測振儀VM53A
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日本 理音 (RION) 公司生產的該儀器重 1.3kg ，符合度量公約組織規定的標準以及日本行業標準 C1510 ： 1995 。該儀器用來測量地面振動以估算出振動污染。振動強度能按照人對振動靈敏度特性進行加權處理，頻率范圍： 1 ～ 80Hz 。它是由主機和 3 向加速度探頭 PV-83C 等組成。
除了具有先前型號 VM-52A 的主要功能外， VM-53/VM-53A 型還有自動保存能力和為自動測量提供的復雜定時器功能。三軸測量結果能保存在內存中或者存儲卡上（僅 VM-53A具有此功能）。該儀器備有 2 塊背光液晶顯示器（ LCD ）板。當大主顯示器顯示瞬時測量值的同時，次顯示器顯示 3 軸或者單軸電平 / 時間圖、條形圖、菜單屏面和一大批其它有用信息。 |
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特點 |
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技術指標
可應用的標準 JIS C 1510:1995(JIS C 1510:1976) |
VM-53A RION VM53A ultra low frequency vibration meter
Japan Science and sound (RION) of the instrument1.3KG production company, with metric conventionstandards as well as the standard C1510 Japaneseindustry: 1995. The instrument used to measure ground vibrations to estimate vibration pollution. The intensity of the vibration energy weighting processing, the vibrationsensitivity characteristic according to frequency range: 1~ 80Hz. It is by the main engine and 3 acceleration probe PV-83C.
In addition to the main function has previously type VM-52A, type VM-53/VM-53A and automatically save theability and to provide for automatic measurement of complex timer function. Three axis measuring results can be stored in the memory or the memory card (only VM-53A has this feature). The instrument is equipped with 2 pieces of backlight liquid crystal display (LCD) panels.When the main display the instantaneous values measured at the same time, time display 3 axis or shaftlevel / time diagram, bar graph, the menu screen and a large number of other useful information.
In addition to providing 3 axis level signals X, Y, Z axis 3output, also for the computer or printer to provide aninterface connector and a comparator output. This makes the VM-53/ VM-53A application of measurement systemsuitable for a wide range of.
Characteristic
• two backlight liquid crystal display (LCD) panels (maindisplay and sub display). Main display instantaneous measurements, and the display of 3 axis or shaft level / time diagram, bar graph, the menu screen and a large number of other useful information.
• only type VM53A can continuously record 3 axis data in a memory card (card, 16MB CF provides 3 axis measuring record, 1 seconds sampling: 100 hours).
• maximum percentage, time and power level averageresults can be continuously kept in memory or CF card(only VM53A).
• optional 1/1 octave and 1/3 octave analyzer (VM53A only has the function of real-time, quickly gained).
• the comparator output.
Technical indicators
The standard JIS C can be used 1510:1995 (JIS C 1510:1976)
The measurement function of Lv, Lva, Lveq, L5, L10,L50, L90, L95, Lmax, Lmin
The measurement frequency range of 1-80 Hz (1-90 Hz, JIS C 1510:1976)
Level measuring range of Lv-Z:25-120 dB Lv-X, Y:30-120dB
Lva:30-120 dB (0 dB=10 -5 m/s 2)
Frequency weighted level range in accordance with the JIS standard
10-dB step, 6 range switching,
The 3 axle
10-70,20-80,30-90,40-100,50-110,60-120 dB
The linearity range of 70 dB
The measurement time at a predetermined timemeasurement,
Can be set for: 10 seconds, 500 seconds, 1 points, 5 points, 10 points, 15 points,
30 minutes, 1 hours, 4 hours, 8 hours and 24 hours.
Manual operation (Max: 199 hours 59 minutes 59 seconds)
RMS detection circuit of digital processing
Weighted time: 0.63 seconds
Memory card function
(only VM53A) on the memory card (Compacf Flash?) on the data storage capacity
Save the artificial preservation, automatic 1 preservation and automatic 2. VM-53 stored in memory, VM-53A
To save storage and the memory card.
Artificial preservation vibration level (Lv) or the vibration acceleration level (Lva) can be saved, the processing value (Lveq, Laveq, L5, L10, L50, L90, L95, Lmax, Lmin)can also be saved.
Storage card multiple files, each file has up to 100 datasets (to the memory card capacity)
(only VM53A)
Memory a maximum value of 100 groups of 3 axis data
Automatic save save 1 continuous vibration level (Lv) or the vibration acceleration level (Lva) of instantaneous value, up to 86400 data. Save sampling 100 ms or 1 seconds, optional.
Storage card multiple files, each file has up to 199 hours 59 minutes and 59 seconds of a data set
(to the memory card capacity)
(only VM53A)
Memory single axis measurement: a maximum of 86400data sets; the 3 axis (X/Y/Z) measurements: the maximum value is: 86400 (28800 * 3) data.
Automatic save 2 continuous conservation values (Lveq, aveq, L5, L10, L50, L90, L95, Lmax, Lmin)
Single axis measuring maximum 4500 data sets, 3 axismeasuring each shaft 1500 data set
Storage card single axis measurement
(only VM53A) multiple files, each file has up to 4500 data sets.
3 axis (X/Y/Z) measurement of multiple files, each file hasup to 4500 data sets.
Memory single axis measurement: a maximum of 4500data sets; the 3 axis (X/Y/Z) measurement: a maximum of 1500 data sets.
Pause
The comparator
The AC/DC output BNC output, 3 independent channels.From the menu select AC or DC
The AC output: 1 Vrms (full scale)
The DC output: 2.5 V (full scale, 0.25V /10 dB)
Printer output allows instantaneous value, value andreturn data printing
Interface serial interface
Connector: D-sub 9 core needle
Baud rate: 4800 BPs, 9600 BPs, 19200 BPS
Display section displays 1
