Olympus Sonic 1200S/HR, Руководство пользователя

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Technical Data 21
2. Technical Data
Pulser:
Type: Square wave.
Pulse Width: 30 to 1000 ns (HR: 15 to 500 ns
Accuracy: ±10% or 10 ns, whichever is greater.
Pulse Voltage : Selectable 300 or 150 volts.
Accuracy: +10/-15%.
Rise Time: < 15 ns.
Fall Time: < 60 ns damping 200 ohms. < 20 ns damping 50 ohms.
Damping : Selectable 25, 50 or 200 ohms.
Modes: Selectable single, dual, or through transmission.
Receiver:
Frequency Band : 0.3 to 20 MHz, +/-3 dB nominal.
Gain: 0 to100 dB in wideband, highpass, 10 MHz, and 15 MHz (HR). 0 to 110 dB in 1, 2.25,
and 5 MHz frequency settings.
Accuracy: ±0.5 dB for any 10 dB increment, cumulative errror < ±2.0 dB.
Control: Continuous adjustment in selectable 0.2, 1.0, 2.0, 6.0 or 12dB steps.