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iSOLV Belt Scale BW802/902

It provides continuous in-line weighing for a variety of products in primary and secondary industries. The result is a level construction made from square-section stainless steel tubing that can be used with belt width ranging from 400mm to 1800mm. The dual idler BELT SCALE 902, can be adjusted according to customer’s requirement.
iSOLV single/dual idler BELT SCALE 802/902 consists of:
• A stainless steel weighing frame with a full bridge strain gaug transmitter
• A microprocessor-based integrator, type BW802A
• A precision belt speed tachometer monitors conveyor belt
speed for input to the integrator (Optional)

Operating Principle
The weight of material on the belt acts on the idler mounted on the weighing station. The weighing station guides the vertical pressure via two maintenance-free pivot bearings to the load cell sensor and converted this into an electrical voltage signal. The weighing unit connected to the sensor evaluates the weight signal in relation to the belt speed tachometer and displays the idler transport rate in “t/h” (tons per hour) and the selected count in “t” (e.g., tons per day, tons per month or tons per year).

Application reference:


Features

The BELT SCALE 802/902 fulfills all the expectations of a modern weighing systems and offers some  benefits:
• High accuracy
• Universal system for all feed rates and belt width
• Robust maintenance free construction
• Due to efficient and economical production: competitive pricing and short delivery times
• Many useful options and extensions are available
• Easy to install and calibrate

Application

The iSOLV single/dual idler BELT SCALE 802/902 is frequently used under extremely rough conditions.
This has been proven in a wide range of tough applications; mines, quarries, woodchips, iron and steel, food processing and chemicals

Specifications

Weighing Station - Type 802/902
The stainless steel weighing station is installed centrally in between the neighboring idlers and then fasten it using u-bolts and an existing idler set, secured to the structural beam.

iSOLV Single Idler BELT SCALE 802
• Weighing Frame Material Stainless Steel 304 (OPTIONAL: SS316)
• Belt Width: 400mm to 1800mm
• Weighing Cell Full bridge strain gauge
• Capacity Available: 20kg, 50kg, 100kg & 200kg
• Output Signal: 20mV at rated load
• Electrical Overload: 2 - 3 times rated load
• Reproducibility and Linearity: 0.02% of rated load
• Temperature: - 20 to 60°C
• Accuracy: +/-1 %
• Maximum Allowance Distance from Weighing Cell to Integrator: 150m

iSOLV Dual Idler BELT SCALE 902
• Weighing Frame Material Stainless Steel 304 (OPTIONAL: SS316)
• Belt Width: 400mm to 1800mm
• Weighing Cell Full bridge strain gauge
• Capacity Available More than: 200 kg
• Output Signal: 20mV at rated load
• Electrical Overload: 2 - 3 times rated load
• Reproducibility and Linearity: 0.02% of rated load
• Temperature: - 20 to 60°C
• Accuracy: +/- 0.5 %
• Maximum Allowance Distance from Weighing Cell to Integrator: 150m

Integrator - Type BW802A
iSOLV BW802A microprocessor – based integrator is designed for in-line continuous weighing of bulk solids together with BELT SCALE 802/902.
It provides local LCD display of load, speed, flow rate and totalized weight.
Calibration is relatively simple to achieve, with operating conditions simulated to perform a zero and span calibration. A material test may be performed to verify system accuracy and iSOLV BW802A is then programmed to correct any deviations. It is simple to commission and easy to maintain.

Specifications;
• Power Supply: 93 - 260 VAC 47 - 63 Hz or 12 - 30 VDC
• Display: Active colour TFT, 115.2x86.4mm, active size of display 320x240 pixel
• Input: 1 x load cell, 1 x belt speed sensor
• Output: 1 x relay output for counter, Batching output
• Isolated current output: 4 to 20 mA
• Housing: Stainless steel enclosure
• Degree of Protection: IP 65
• Operating Temperature: Range -10° to + 40°C
• Dimension: 265 x 240 x 70mm
• Optional Isolated serial interface: RS232, RS 485, Modbus TCP, Probus DP, Ethernet

Belt Speed
iSOLV BELT SPEED operates in conjunction with a conveyor belt scale, providing signal to an integrator to monitor the BELT SPEED which computers the rate of material being conveyed.
It provides a signal generated as the wheel on the sensor rotates on the return belt. The weight of wheel ensures positive rotation and pulses from the electronic sensor are generated by the rotation of toothed speed disc driven by the wheel. It can be easily installed onto the belt scale assembly.

Specifications;
• Construction Stainless steel
• Wheel: 8” diameter
• Sensor: Inductive proximity sensor
• Transistor output: PNP, normally open.
• Operating Temperature: -10 to +50°C
• Sensor: Disc Stainless steel

Bulk Flow

FLOTECH CONTROLS INDONESIA
Jl. Boulevard Artha Gading - Artha Gading Niaga
Blok F/7, Kelapa Gading - Jakarta 14240 Indonesia
Telp: +62 21 45850778 / Fax: +62 21 45850779
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