1、适用于CATV(Analog, Digital measurement, TILT)系统维护的测试仪器; 2、结构紧凑、重量轻、携带方便; 3、双通道测量显示,方便实用; 4. 能够测量 MER、BER 信号电平、信道功率、V/A、C/N、FM、干线电压 5.通道和单频模式

| 
 Signal Lever Meters correlation table  | ||
| 
 Model No  | 
 Constellation  | 
 Main Parameter  | 
| 
 ST-110/110Q  | 
 No  | 
 Doulbe channel,  A/V,  C/N, Average Power, Trunk line Voltage,  | 
| 
 ST-128/128Q  | 
 No  | 
 Spectrum, Channel Power,  Tilt , A/V,  C/N, Average Power, Trunk line Voltage,  | 
| 
 ST-200/200Q  | 
 No  | 
 MER, BER,  Tilt , A/V,  C/N, Average Power, Trunk line Voltage,  | 
| 
 ST-1129/1129Q  | 
 Yes  | 
 Spectrum,MER, BER, Tilt,Channel Power, A/V, C/N, Average Power, Trunk line Voltage  | 
| 
 ST-1130/1130Q  | 
 Yes  | 
 Advanced spectrum,Full automatica scan,MER, BER,  Tilt  , V/A,C/N , Average Power ,Channel Power, Trunk line Voltage, Threshold, Alarms  | 
| 
 Model  | 
 ST-200  | 
 ST-200Q  | 
| 
 Digital DVB  | 
 | 
 | 
| 
 Frequency scope  | 
 47~870MHz  | 
 5~870MHz  | 
| 
 Modulation  | 
 DVB-C/ITU-T  | |
| 
 Support  | 
 64QAM/256QAM(option)  | |
| 
 Digital average power  | 
 30dBuV ~ 110dBuV  | |
| 
 precision  | 
 +2dB  | |
| 
 Symbol rate  | 
 1MS/S-7 MS/S  | |
| 
 Modulate error rate(MER)  | 
 22dB ~ 39dB  | |
| 
 Bit error rate(BER)  | 
 RS 1E-3~1E-9  | |
| 
 Analog TV  | 
 | |
| 
 Frequency scope  | 
 46/5~870MHz  | |
| 
 level  | 
 20dBuV ~ 120dBuV  | |
| 
 precision  | 
 +1.5dB  | |
| 
 Channel scan  | 
 150  | |
| 
 Power supply  | 
 | |
| 
 battery  | 
 7.2V/1500mAH rechargeable battery  | |
| 
 AC Supply:  | 
 AC 90V-220V 50Hz-60Hz  | |
| 
 Working time  | 
 6h  | |
| 
 Charging time  | 
 3h  | |