Master™ 221DB Belt Scale Weigh Frame

As of: Wednesday, September 9, 2026

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Standard Features

Weigh frame is mounted on the outside of conveyor
Minimal modifications to conveyor are required
Service friendly
Friction-free pivot supports
Two support beams
Fits standard conveyors
Mounts with four bolts

Options

Galvanized or stainless construction

Applications

Medium to heavy capacity

221DB Master Belt Scale Weigh Frame

The 221DB Master™ belt scale weigh frame consists of two arms equipped with a pivot and a load cell mounted to the side supports of the conveyor belt. The idler, or weighing roller, is mounted on top of the frame arms. The 221DB provides simple assembly and accessibility for service. Suitable for most belt widths and capacities, the 221DB is a versatile solution for many applications.

221DB Master Belt Scale Weigh Frame Specifications

Conveyor Width:
18 to 72 in
(457 to 1,829 mm)

Capacity:
3,300 t per hour

Maximum Belt Speed:
600 ft per minute (3 m per second)

Inclination:
Maximum 25°

Material:
Powder coated mild steel

Accuracy System:
0.5 to 1%

Load Cell:
RL9018SS-50, 100 or 200 kg

Junction Box:
JB4SS

Warranty:
One-year limited

Parts

Part #	Description

202593	221DB SST Belt Scale with 200Kg Load Cells
202592	221DB SST Belt Scale with 100Kg Load Cells
202591	221DB SST Belt Scale with 50Kg Load Cells
163294	221DB Belt Scale with 200Kg Load Cells
163293	221DB Belt Scale with 100Kg Load Cells
163292	221DB Belt Scale with 50Kg Load Cells