Overview:
This instrument is a dual-channel Doppler log simulator. It is suitable for the maintenance inspection and teaching demonstration of speed logs.
· two testing/signal simulating channels
· has the function of testing transmitting signal of speed log host
· has the function of simulate transducer echo signal
· suitable for speed logs of 1MHz and 2MHz frequency
Technical parameters:
Category | Specifications |
Measurement channel | 2 |
Frequency measurement range | 0.8 MHz – 2.2 MHz |
Frequency measurement accuracy | <1MHz: ±0.1kHz ≥1MHz: ±1kHz |
Frequency display resolution | <1MHz: 0.1kHz
≥1MHz: 1kHz |
Voltage measurement range | AC200V – 3000V |
Voltage measurement accuracy | ±10V (sinusoidal peak-to-peak value) |
Voltage display resolution | 10V |
Simulation speed numerical range | -9.9 ~ 40 |
Simulation speed unit | Kn; km/h; m/s |
Echo amplitude level | Level 2 |
Echo center frequency | 1MHz, 2MHz |
Battery specification | AA/LR6/5 battery |
Number of batteries | 4 |
Instrument size | 203×100×34 mm |
Instrument weight | 350g (without battery) |
Operating temperature and humidity | -15℃ ~ +55℃, 10% ~ 90%RH |
