Punit Instrument

Digital Weighing Indicator with 4–20mA Output – Precision Analog Signal for Industrial Automation

A Digital Weighing Indicator with 4–20mA Output is a high-performance device designed to measure, display, and transmit weight data from load cells in real-time. The integrated 4–20mA analog output allows seamless communication with PLC, SCADA, DCS, or analog controllers, making it ideal for industrial automation and process control applications.

This indicator is widely used in tank, hopper, silo, platform scales, and batching systems, where both local display and remote monitoring/control are essential.

Key Features:

• High-resolution LED or LCD digital display

• Supports standard analog load cells (mV/V)

• Scalable 4–20mA output proportional to weight

• Additional outputs: RS232, RS485, relay contacts (for alarms)

• Functions: Zero, Tare, Calibration, Peak Hold, Gross/Net display

• Programmable setpoints and alarms

• Robust, industrial-grade enclosure (wall, panel, or desk mount)

Advantages:

• Smooth and stable analog signal for PLC/SCADA integration

• Accurate and linear analog output over the full range

• Enhances real-time weight control in automated processes

• Compact and easy-to-install unit with user-friendly interface

• Supports continuous and batch weighing operations

Typical Applications:

• Hopper and Silo Weighing Systems

• Batching and Mixing Plants

• Tension Load Monitoring

• Material Handling Automation

• Chemical, Cement, Food, and Pharma Industries

The Digital Weighing Indicator with 4–20mA Output offers a reliable and scalable interface between mechanical weighing components and automated industrial control systems — ensuring accuracy, repeatability, and efficiency in every process.

Industrial Loadcell Controller – Intelligent Weight Control for Automation Systems

An Industrial Loadcell Controller is a precision-engineered device used to process, control, and transmit weight signals from load cells in demanding industrial environments. It acts as a central processing unit for weighing systems, offering real-time weight display, analog/digital output, and automation-friendly control functions.

Designed for rugged performance, it is widely used in batching, filling, dosing, tank/silo weighing, conveyor systems, and automated manufacturing lines.

Key Features:

• Supports 1–4 load cells (350Ω/700Ω), analog or digital

• High-speed ADC (Analog-to-Digital Converter) for accurate measurement

• Multiple I/O: 4–20mA, 0–10V, RS232/RS485, Modbus, Ethernet

• Relay outputs for alarms, control gates, feeders, or valves

• Functions: Zero, Tare, Gross/Net, Peak Hold, Calibration

• DIN-rail, panel, or wall-mounting options

• Bright LED/LCD display for real-time monitoring

• Optional HMI, touch screen, or keypad interface

Advantages:

• Enables full automation of weighing processes

• Precise, repeatable weight control for industrial applications

• Seamless integration with PLC, SCADA, and ERP systems

• User-configurable logic for batching, cutoff control, or filling

• Robust construction for harsh and high-vibration environments

Typical Applications:

• Industrial batching and dosing systems

• Hopper, tank, and silo weighing

• Filling machines and packing lines

• Conveyor-based checkweighers

• Chemical, cement, food, pharma, and agriculture sectors

The Industrial Loadcell Controller is a vital component in modern industrial automation, delivering accurate weight control, advanced functionality, and seamless integration with control systems, ensuring smarter, safer, and more efficient operations.

Digital Weight Indicator – Precision Weight Display for Industrial Weighing Systems

A Digital Weight Indicator is an advanced electronic device designed to display, process, and manage weight data from load cells in various weighing systems. Known for its accuracy, reliability, and versatility, it forms the core of any weighbridge, platform scale, hopper, tank, or batching system.

Engineered for both standalone use and system integration, the digital weight indicator ensures fast, stable, and precise readings even in challenging industrial environments.

Key Features:

• High-visibility LED/LCD display with fast refresh rate

• Compatible with analog and digital load cells

• Functions: Tare, Zero, Peak Hold, Accumulation, Calibration

• Multiple interface options: RS232, RS485, Ethernet, USB, 4–20mA, Relay outputs

• Optional printer support and connectivity to PLC/SCADA/ERP systems

• Rugged, industrial-grade housing (panel, wall, or desk mount options)

• Battery backup or continuous AC/DC power supply

Advantages:

• Accurate and stable readings with auto-zero tracking

• Simplifies weighing operations with intuitive interface

• Supports custom logic for batching and automation

• Alarm settings for overload or process limits

• Ideal for harsh industrial and outdoor environments

Applications:

• Weighbridges & Truck Scales

• Batching & Blending Plants

• Platform, Bench, and Tank Weighing

• Conveyor Belt Weighing Systems

• Industrial Process Automation

The Digital Weight Indicator offers a cost-effective and robust solution for real-time weight monitoring and control, making it essential for modern industrial operations.

Tank weighing system offer simple,rough and accurate weighing.Each system is equipped with singleload cell to multiple load cellsdepending on customer’srequirements. This weighing system iswidely used to weigh liquid or solidmaterial in an accurate manner.Additionally the material dischargedfrom industrial tanks, silos,bunkers and mixers can be calculated with tank weighing system.A tank weighing system consists of load cells, junction boxand weighing controller. It is commonly used in productionmanagement and process control areas for weight managementand control. The load cells are placed under every foot of the tankor vessels then connects the load cells to a weighing controllerthrough a junction box that is used to compensate the signaldifference of the load cells.Blender / MixerWeighingWhether you are sourcing material from bulk bags, silos, manual dumpingstations, process equipment or all of the above; weigh batching oneingredient or 50; blending your recipe; filling containers, and/or delivering it toprocess vessels, packaging lines, or any other destination.From individual loss-of-weight bulk bag weigh batch dischargers to automatedgain-in-weight batching/blending systems integrated with your upstream anddownstream equipment, We offers you the entire range of specializedequipment and the engineering talent—required for a smooth start-up andefficient performance.Whether your ingredients are free-flowing pellets, powders that pack, bridgeor smear, products that fluidize, or blends prone to separation, we can movethem positively, weigh them accurately, and deliver them in prime condition.