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DYNAMIC AMPLIFIER
MODEL-4055
SPECIFICATIONS
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Charge Amplifier Unit
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| Input characteristics |
Micro connector for charge input. |
| Max input charge |
100,000pc |
| Pickup Sensitivity |
1.00-999pC/Unit |
| Measuring range |
0.1,0.3,1,3,10,30,100 Unit/V FS |
| Phase difference between channels |
3Hz-15KHz(within ±5゜) |
| Freq responce |
2Hz-20KHz(±0.5dB) |
Microphone Amplifier Unit
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| Microphone sensitivity |
1.00-99.9mV/Pa |
| Microphone power source |
A built-in power for the condencer microphone. |
| Measuring range(10dB step) |
50-110dB/FS (10.0-99.9mV/Pa microphone is used at ×0.1 range) |
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70-130dB/FS (The same range showing the front pannel) |
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90-150dB/FS (1.00-9.99mV/Pa microphone is used at ×1 range) |
| Freq responce |
"LIN" 10Hz-20KHz (±0.5dB) |
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"A" Weighing: Conformance with JIS or IEC for precision sound level meter. |
| Phase difference between channels(LIN) |
10Hz-10KHz (within ±5゜) |
Controller
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| ¦Listener/Talker Function via GB-IB |
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| Range setting |
Same range setting all the channels or individual range setting channel by channel. |
| Cal-Meas selection |
Simultaneous all channel selection. |
| Status reading |
Amplifier unit type, pickup sensitivity range and microphone amplifier weighting can be read. |
| Output level reading |
Specified channel's output level can be read in responce to the three step LED indicator. |
| SRQ function |
Service request is transmitted when overload, command error or calibration status is detected. |
| ¦Manual operating functions |
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| Measuring range setting |
Selected channel can be set with the UP/DOWN switch. |
| CAL signal |
A calibration signal is simultaneously output from all the channels. |
| Output level |
The output level of the specified channel is indicated with an analog meter. |
The Others
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| Rated output |
±1V/FS,Non-distortion maximum output voltage:±10V(typical). |
| Output impedance |
180Ω+100μＦ |
| LED level indicator |
One green LED is lit when the signal level exceeding-20dB, and two green LED are lit exceeding-10dB. |
| Over load indicator |
Red LED is lit when the output voltage exceeding 1.4Vrms or exceeding the linear sphere. |
| CAL-signal |
300Hz, ±1V, sinusoidal wave. |
| Temperature, Humidity |
0-55°C , 90%RH max. |
| Size, weight |
In case of 10CH type 420(W)×149(H)×300(D)mm, 9.5kg. |
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4055-01:550g, 4055-02:600g, 4055-10M:1750g Portable cases are lined up from 4 to 10 channel type. |
| Power requred |
AC100V±10% 1A, or DC12V±10% by ordered. |
Back
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