KT9221消防廣播功率放大器
廠家直供消防廣播功率放大器KT9221（消防功放機）
1,數字電位器調整無定位，連續可調和預置音量
2,有輸出過載、短路、過壓保護、過溫保護
3,功放輸出有錄音
4,功率輸出：150W/300W/500W
5,尺寸3U
Power Amplifier
1,Using digital potentiometer; the volume can be adjusted continuously, ａnd can be preset.
2,Pretects ａnd gives an alarm when output overload, short circuit, overvoltage , overheat.
3,Power output : 150W/300W/500W.
詳細產品資料請上http://www.rise119.com查詢！聯系人：丁沛琳 郵箱：hdzn888@163.com 網聊QQ：867153425
光電管放大器
新勢力光電供應光電管放大器，以便直接將光電二極管、光電倍增管等電流源的電流信號轉換成數字信號。通過切換A/W，可以設置電流值顯示或者功率值顯示（作為光功率計）。該系列光電管放大器具有如下特點：滿量程輸入范圍從±20nA至±20mA；可變偏壓從-14V至14V；LCD顯示讀數；RS-232串行接口。| Specifications | |
| Max input without damage | ±25mA |
| Full scale range | ±20nA to 20mA in decade steps, 1pA max. resolution |
| A/W setting | 0.100 to 1.000 A/W in increments of .005 A/W |
| Output impedance | 100Ω |
| Bias voltage | Selectable -14V to +14V in 6.5mV increments |
| Analog ourput port | ±2V corresponds to ±20,000 counts of range in use |
| Noise ａnd Drift | <1pA/5 seconds on most sensitive range |
| Frequency response（-3dB） | DC to 2KHz, most sensitive range DC to 40KHz, least sensitive range |
| Display | 4 1/2 digit LCD, 0.4" high |
| Power requirement | Rechargeable Ni-mH batteries with approximately 10 hours of use |
| External supply | 85-250VAC, 50-60Hz, <9VA |
| Dimensions | 140mm（W）×63mm（H）×215mm（L） |
| Weight | 0.9kg, excluding external power supply |
| Operating temperature | 0 to +40°C |
| Accessories provided | Rs-232 cable, power supply/charger, operating manual |
-
光電二極管（PIN）
-
雪崩二極管（APD）
-
銦鎵砷探測器（InGaAs）
-
光電管接收模塊