Specifications:
The MD-5500 metal detector features adjustable dimensions with a range of 800-950 mm for adjustable legs and other specific measurements for different models. It supports mono-frequency with an optional multi-frequency feature and has a memory capacity of 500 PLUs. The device includes a digital multi-filter for stability in harsh environments and an auto-balance feature for signal change compensation.

Construction:
The structure is made of painted aluminum with an optional AISI 304 stainless steel tunnel and frame. It offers IP66 protection, with IP69K as an optional upgrade. The conveyor is driven by a gear-motor, and the console includes a 4-key touchpad with a backlit LCD display.

Communications and Power Supply:
The device supports RS-232 communication to a PC and operates on a power supply of 100-240 V AC, 50/60 Hz.

Integration and Compatibility:
The MD-5500 can integrate with Dibal LS-3000, LS-4000, and LS-4000+ automatic weigh-price labellers, as well as Dibal CW-3000, CW-4000, and CW-4000+ checkweighers, and Dibal GW-3000, GW-4000, and GW-4000+ graders.

Model Variants:
Different models are available with varying belt widths and maximum product dimensions. For example, the MD-5500S 1300/300/400/200 model has a W300 mm smooth belt and supports a maximum product weight of 10 kg.

Options and Accessories:
Optional features include multi-frequency, different tunnel dimensions, light barriers, and various rejection systems such as pneumatic pistons and rotating blades. Accessories like side guides, wheels with brakes, and test card kits are also available.

Additional Features:
The device includes auto-setup with interference suppression, automatic calibration of sensitivity, precise detection area, auto-monitoring, and safety features with three password levels.