Weighing Applications

The Conveyor Belt Weigher offered by us is used for measuring the mass flow rate of material. In order to indicate material flow rate in Tons/Hr, this equipment multiplies the instantaneous weight of the loaded belt (tare corrected for empty belt), with the linear speed of the belt (sensed by digital encoder). This unit also indicates the Total Flow in Tons. The retransmission output (4-20 mA DC) of this equipment is directly proportional to the rate of flow. Some of the salient features are as follows:

• Can display Tare weight & Speed sensed from transducers to verify/calibrate
• Has diagnostic LED indications for indication of weight & speed pickup faults
• Zero adjustment for tare & retransmission output range can be adjusted in field from programming keypad
• Output pulse @ 1pulse/ 0.1 Ton available for remote totalization at control room
• Can adapt to existing conveyor idlers
• Needs very less time for being installed
• Parameters displayed on large back-lighted LCD panel
• Housed in weather-proof sheet steel enclosure (IP-55)

The Pay Loaders Batch Weigher offered by us is used for loading minerals, ores and coal. This weigher loads the material to hoppers, bunkers and wagons in batches that involves numerous trips of the pay loader between the source stockpile and the destination. The basic function of this batch weigher is to measure the weight of material transported in each trip and sum up all the weights till completion of batch. Further, it also stores the number of trips and total weight of material transported for each batch. We can get the information printed at the end of the shift

Controllers are field programmable to receive preset values tare weight correction for empty hopper, individual target weights of Aggregate, Sand, Cement, & Water(liters).

Indicate individual component weights by sequential filling of the hopper (single hopper machines). Pre-warn (audio-visual) when each component approaches the respective target weight, and switch over to the next component (lamp indication) with auto tare weight compensation. On completion of the filling of all components, a batch complete indication is provided, with indication of the total batch weight, and the cumulative total weight of all previous batches since the starting of the batching plant.  For single hopper machines, the hopper weight may be measured by 2/3/4 nos load cells. For multi hopper machines, the hoppers for aggregate (coarse & fine), sand & cement are simultaneously filled by respective conveyors, individual hopper weights (sensed by ½ loadcells per hopper) are indicated on respective displays. On achievement of the target weight, for a component, respective conveyor is automatically stopped by the batch controller. Once all materials are filled to target values, the total batch weight is displayed & batch complete indication (with audio signal), is provided to enable the operator to raise to hopper to charge the material to the mixing drum. On lowering the hopper after charging, the controller resumes the hopper weight measurements afresh, and permits to restart the conveyors to refill the hoppers.

The water addition to each batch, is controlled by the controller by allowing the water pump to run for a computed time period based upon the target value of water, and the pumping flow rate.

An option to take a print out of the batch details, is available through a parallel port, individual batch data is stored in a non volatile memory (in data capture mode). At the end of the shift, the printer may connected, and data is printed out of the memory. Memory full warning indication is provided.