• Adopt advanced frequency conversion technology to control the winch
• Automatic constant speed and manual speed control, automatic overload protection
• Automatic addition and subtraction to calculate the depth, with depth error automatic compensation.
• Use of commercial power or AC power generator
• Self-locking function while winch ascending and descending
• Steady in velocity without jitter in full speed range

Technical Specifications

• Speed Range: 1~*9.9 m/min
• Depth Error: ≤0.4‰
• Depth Range: 0~***9.*9 m
• Power Supply: AC**0V±*0% *0Hz ±5%
• Continuous Working Time: ≤*4 hr
• Depth Pulse Equivalent: 0.*5mm/pulse
• Working Temperature: **0°C~ **0°C
• Volume: **5×**0×**0mm,
• Weight:
• Constant Speed Range: 0.5~*0m/min, Error: ±*0%, ±1 digit