Detecting channels: 9 channels (also can choose 7 channels).
Refresh speed: 60 hz/s
Probe working frequency: 2 MHZ
Duplicate detection frequency: 400 hz (each channel).
detection range:
0-200 mm5 mm (43 kg/m and 50 kg/m rails)
0-250 mm5 mm (60 kg/m and 75 kg/m rails)
Detection sensitivity allowance: TB/T 2340-2000
Dynamic range: 30 db or greater (small), 2-6 db (suppress).
Horizontal linear error: 2% or less.
Vertical linear error: 5% or less.
Gain control of the range: 0-80 db.