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 |