Input signal
|
External reference |
Way |
1 |
Frequency |
10MHz |
Waveform |
Sine |
Level |
5dBm~13dBm |
Physical interface |
BNC |
Measured signal |
Way |
36 |
Level |
TTL |
Initial signal |
Rising or descending edge |
Break alarm |
Drop or rise edge |
Measuring range |
10ns~99999.999 999 990s |
Accuracy |
Better than ±(1 × 10-7 × T0+10ns) |
Physical interface |
BNC |
Output signal
|
Constant temperature crystals |
Way |
1 |
Frequency |
10MHz |
wave form |
Sine |
Level |
≥7dBm |
Aging rate, |
5 x 10-10 or less per day |
Second stability |
≤5×10-11/s |
accuracy |
≤1×10-7 |
Warm up time |
More than 12 hours |
Physical interface |
BNC |
RS232C serial port |
Way |
1 |
Level |
RS232C |
Serial port format |
Measurement results and setting status |
Physical interface |
DB9 |
Environmental features |
Working temperature |
0℃~+50℃ |
Relative humidity |
≤90%(40℃) |
Storage temperature |
-30℃~+70℃ |
Power supply |
Ac 220V plus or minus 10%, 50Hz plus or minus 5%, power less than 75W |
Case size |
3U, 19 "standard chassis (upper frame) 482mm (width) x300 (depth) x150mm (height) |