Precise price-calculating scales for retail efficiency
Price-calculating scales, also known as retail or shop scales, are specialised measuring instruments designed to calculate sale prices accurately from measured weight, providing reliable transaction transparency for both operator and customer. These devices serve retail, farm shops and bakeries by combining compact, ergonomic design with clear dual displays and intuitive controls, enabling quick weighing, unit price entry and total price calculation to speed up point-of-sale operations. Certified in compliance with legal metrology requirements, the typical trade-approved models are class iii eich-capable units that ensure legally valid transactions, while features such as battery operation and networked or standalone use offer flexible deployment for markets, mobile stalls and fixed counters.
3 kg/6 kg Precision Portion Scale With 230×300 mm Stainless Steel Pan, Dual XXL LCD Readout, Class III - KERN
Take advantage of precise portioning, legal-for-trade approval and a robust stainless-steel weighing surface to streamline retail and production workflows; benefit from fast set-up and flexible power options and order directly via Metav Werkzeuge or contact our consultants for tailored advice. KERN RFE.6K3M counter scale — dual XXL LCD displays, price memory The KERN RFE.6K3M is a compact counter scale designed for portioning and priced item storage in retail and workshop settings, combining legal-for-trade accuracy with a durable stainless-steel weighing surface. Dual XXL LCD displays with 20 mm digits Price memory for multiple article entries 230×300 mm stainless steel weighing plate Available in 3 kg and 6 kg ranges with 1 g readout Precise portioning and verified trade results for consistent output The model delivers legal-for-trade performance (Class III) with readabilities of 0.001 kg and 0.002 kg, depending on the selected range, which makes it suitable for accurate portioning and priced sales where traceability matters. The internal strain-gauge weighing system ensures consistent measurement behaviour: linearity ±0.003 kg and reproducibility 0.001 kg/0.002 kg provide a reliable basis for repeatable results. These technical characteristics reduce rework and give production planners and shop managers quantifiable data for inventory and costing decisions. Robust build and flexible power for daily operation A stainless-steel weighing plate sized 230×300 mm supports hygienic handling and easy cleaning, while the compact housing dimensions (320×450×130 mm) keep the footprint low on counters. The unit weighs 4.2 kg, balancing portability with stability. Power options include a plug-in power supply with adapters for CH, EURO, UK and US sockets and a rechargeable battery with a 12 h charging period, enabling uninterrupted operation during busy shifts. Operating specifications (-10°C to 40°C, max 80% relative humidity) suit typical retail and workshop environments and help avoid measurement drift in normal ambient conditions. Efficient user interface and practical integration for business use The clear LCD with 20 mm digit height and two large displays facilitates fast reading from both sides of the counter and speeds up transaction cycles. The built-in price memory for article entries simplifies repeated transactions and reduces manual entry errors, improving throughput at point of sale or packing stations. Available weighing ranges (3 kg / 6 kg) with corresponding minimum weight 0.02 kg adapt to a variety of portion sizes. The unit is delivered with country adapters and is identified by GTIN 4045761252363 and SKU RFE.6K3M, easing procurement and inventory tracking for purchasing departments. For reliable portioning and verified measurements, choose the KERN RFE.6K3M and contact Metav Werkzeuge in Emmerich for supply and specialist advice via info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical data Article number: RFE.6K3M Manufacturer: KERN GTIN: 4045761252363 Country of origin: CN TARIC / HS code: 84238125 Core specifications Weighing ranges: 3 kg; 6 kg Readability / verification values: 0.001 kg; 0.002 kg Minimum weight: 0.02 kg Weighing plate (rectangular): 230×300 mm Housing dimensions (without removable parts): 320×450×130 mm Weight: 4.2 kg Display digit height: 20 mm Linearity: ± 0.003 kg; 0.006 kg Reproducibility: 0.001 kg; 0.002 kg Operating temperature: -10°C–40°C Max. ambient humidity: 80% Battery charging time: 12 h Input voltage power supply: 220 V–240 V AC, 50 Hz Construction & special features Weighing system: strain-gauge (Dehnungsmessstreifen) Weighing plate material: stainless steel Display type: LCD Legal-for-trade class: III Memory: storage spaces for article prices Power supply: plug-in power supply with CH; EURO; UK; US adapters SKU: RFE.6K3M eClass: 27320108 FAQ What accuracy can be expected from this counter scale? The KERN RFE.6K3M offers readabilities of 0.001 kg and 0.002 kg with a reproducibility of 0.001 kg/0.002 kg, delivering precise and repeatable results for portioning and priced sales. Is the scale suitable for legal-for-trade sales? Yes, the unit is certified Class III (legal-for-trade), making the RFE.6K3M suitable for commercial transactions requiring verified weights. What power options are available for off-counter use? The RFE.6K3M includes a plug-in power supply with adapters for CH, EURO, UK and US sockets and supports battery operation with a 12-hour charging cycle for flexible placement. How large is the weighing surface and what material is it made from? The weighing plate measures 230×300 mm and is manufactured from stainless steel, enabling hygienic cleaning and robust daily use. Can stored article prices be used to speed up transactions? Yes, the built-in price memory stores article prices for repeated entries, reducing manual input and accelerating routine operations with the KERN RFE.6K3M. Manufacturer: KERN; Address: not provided; Contact: not provided
1500g/3000g Price-Computing Scale Three Displays, Stainless Steel Platform, 0.5g/1g Readability - KERN
Take advantage of the compact design, precise readability and hygienic stainless-steel weighing plate to streamline counter sales with consistent results; order the KERN RPB 3K3DM directly via Metav Werkzeuge or ask our consultants if needed. KERN RPB 3K3DM — Price‑computing retail scale with stainless‑steel plate and three displays KERN RPB 3K3DM is a compact price‑computing retail scale designed for shops, market stalls and foodservice environments where fast, accurate pricing and clear customer display are essential. Compact ergonomic housing saves counter space Three displays: weight, unit price, sale price Stainless‑steel weighing plate for hygiene Optional battery operation for mobile use Accurate weighing and legal compliance that supports trade operations The price‑computing retail scale offers dual weighing ranges of 1,500 g and 3,000 g with switchable readability of 0.5 g / 1 g, delivering fine resolution for priced goods. Readability (d) denotes the smallest increment the instrument reliably shows; higher resolution aids precise portion pricing and reduces rounding errors at the till. The instrument meets the requirements for commercial use but note that legal verification (official calibration) is mandatory for trade‑facing applications — verification must be requested at the time of order and requires the installation address for conformity assessment under NAWI 2014/31/EU. Hygienic, compact construction for busy counters and markets The counter unit features a stainless‑steel weighing plate, a compact rectangular weighing area (204 × 263 mm), and a housing size of 313 × 263 × 108 mm, enabling installation on narrow counters or mobile stalls. The rear second display improves transparency by showing weight or price to the customer, while the integral three displays keep operator information (weight, base price, sale price) visible at a glance. With a net weight of 2.8 kg and the option for battery operation, the device offers genuine mobility for market traders and multi‑site retailers without compromising on hygiene or build quality. Practical functions that speed up sales and simplify workflows Operational features such as the Auto‑Clear function automatically clears an entered base price when the platter is unloaded, reducing input errors during rapid sales. The base price is switchable from €/kg to €/100 g, allowing precise pricing for small portions and high‑value items. A universal plug set (CH, EURO, UK, US) and a 220–240 V, 50 Hz power supply provide immediate compatibility across territories. For trade use, the scale is supplied with a protective cover and can be supplied with on‑site calibration by the authorised test service if requested during ordering, ensuring compliant and ready‑to‑use operation. Contact Metav Werkzeuge in Emmerich for expert advice on the KERN retail scale, calibration options and reliable supply to the workshop Technical Data Article number: RPB.3K3DM Manufacturer: KERN GTIN: 4045761252158 SKU: RPB.3K3DM Origin: CN eClass: 32120101 Commodity code: 84238125 Facts Weighing ranges: 1,500 g; 3,000 g Readability (d): 0.5 g; 1 g Display digit height: 15 mm Weighing plate size: 204 × 263 mm Housing dimensions: 313 × 263 × 108 mm Net weight: 2.8 kg Operating temperature: −10 °C to 40 °C Max ambient humidity: 80% Power supply: 220 V–240 V AC, 50 Hz Battery charge time: 12 h (battery optional) Linearity: ±3 g; 6 g Reproducibility: 1 g; 2 g Minimum weight: 10 g Special features Stainless‑steel weighing plate Three operator displays: weight, base price, sale price Second rear customer display Auto‑Clear function for base price entry Base price switchable between €/kg and €/100 g Protective work cover included Optional battery operation for mobile use Supplied with international plug set (CH; EURO; UK; US) Verification required for commercial trade use (order calibration when purchasing) FAQ What weighing ranges and precision does this retail scale offer? The KERN RPB 3K3DM covers two ranges — 1,500 g and 3,000 g — with switchable readability of 0.5 g and 1 g, allowing precise portioning and accurate price calculation at the counter. Is the scale suitable for market use without mains power? Yes. The unit supports optional battery operation (battery not included), which, combined with its lightweight construction, makes the scale suitable for mobile stalls and temporary locations. Does the scale require official verification for shop use? For trade‑facing (commercial) use, official legal verification is required; the KERN RPB 3K3DM must be ordered with the conformity assessment for NAWI 2014/31/EU at purchase and needs the full installation address for registration. How does the Auto‑Clear function help at the till? The Auto‑Clear function erases an entered base price automatically when the platter is unloaded, reducing manual errors and speeding up sales cycles during busy periods. What hygiene and durability features does the scale provide for food retail? The device has a stainless‑steel weighing plate and a compact, easily cleaned housing; a protective work cover is included to help maintain hygiene standards between cleaning cycles. Manufacturer: KERN · Origin: CN · Contact: info@metav-werkzeuge.com · Phone: +49 2822 7131930
3 kg Precision Price-Computing Retail Scale 0.001 g/0.002 g Readability, Triple Display, Stainless Steel Pan - KERN
Take advantage of a robust, retail-ready solution that combines precise weight and price calculation with a large article memory and durable hygienic design. Benefit from quick transactions thanks to direct-price keys and a clear multi-display layout; order the unit through Metav Werkzeuge or contact our consultants for assistance with legal calibration and tailored delivery. KERN RIB 6K-3M — Price-computing retail scale with dual-range accuracy The KERN RIB 6K-3M is a compact price-calculating shop scale engineered for retail, market stalls and small production lines, offering reliable weight-to-price conversion and straightforward operation Three displays for weight, unit price and selling price Large article memory for repeated items 10 direct-price keys for rapid service Water-resistant housing with drainage channels Protective work cover included Faster sales through accurate price calculation and range adaptation The price-computing concept speeds up checkout by displaying weight, unit price and total price across dedicated displays, reducing input errors and transaction time. The scale supports dual weighing ranges (3 kg / 6 kg) with fine readabilities (0.001 kg / 0.002 kg) and an automatic multi-range function that switches to the next range as load increases. Such technical characteristics translate into fewer re-weighs and consistent pricing, which contributes directly to operational efficiency and lower training overhead in busy retail environments. Hygienic construction and durable materials for daily commercial use A stainless steel weighing plate paired with a plastic housing creates a surface that is easy to clean and resistant to typical shop contaminants. The casing features dedicated drainage channels and sealing rings to help keep ingress away from sensitive electronics, supporting a water-resistant design philosophy that prolongs service life. A protective cover is supplied with the unit to shield controls during storage or in dusty conditions, reducing maintenance intervals and protecting investment in high-use locations. Intuitive interface designed to reduce transaction time The instrument integrates three displays, including a rear customer display, so both operator and buyer can follow the transaction simultaneously—this transparency builds trust and speeds service. A set of 10 direct-price keys and an extensive large article memory allow frequent articles to be recalled instantly, cutting keystrokes per sale. Built-in energy management switches the backlight off after a short interval to conserve power without compromising readability during active use. Included international adapters (CH / EURO / UK) ensure compatibility with common mains sockets. Compliant setup and versatile application across retail sectors Designed for a wide range of environments—retail, food sales, market stalls and light packaging—the scale supports market-specific workflows and can be used where legal verification is required. Legal calibration is available and must be ordered separately in line with NAWI 2014/31/EU requirements; please provide the full installation address when requesting conformity assessment. With consistent linearity and reproducibility figures, the instrument offers dependable results that align with statutory and commercial quality expectations. Contact Metav Werkzeuge in Emmerich to arrange delivery of the KERN RIB 6K-3M, request optional legal calibration or obtain tailored advice for your point-of-sale setup Technical Data Article number: RIB.6K-3M Manufacturer: KERN GTIN: 4045761180819 Country of origin: CN Facts Weighing ranges: 3 kg / 6 kg Readability / verification values: 0.001 kg; 0.002 kg Linearity: ± 0.001 kg; 0.002 kg Reproducibility: 0.001 kg; 0.002 kg Minimum weight: 0.02 kg; 0.04 kg Display digit height: 18 mm Platform (WxD): 294 × 225 mm Housing dimensions: 325 × 340 × 115 mm Net weight: 3.2 kg Power input: 100 V–240 V AC, 50/60 Hz, 0.4 A max Operating temperature: −10 °C to 40 °C Max ambient humidity: 80 % Verification class: III Tariff heading: 84238125 Special features Material: plastic housing, stainless steel weighing plate Weighing system: strain gauge (load cell) Three displays including customer display at rear 10 direct-price keys and large article memory Energy management with backlight auto-off Drainage channels and sealing rings for dirt rejection Protective work cover included Mains adapters included: CH / EURO / UK Multi-range automatic switching between ranges Optional legal calibration (order separately; provide full installation address) FAQ What weighing ranges and accuracies are supported? The scale offers dual ranges of 3 kg and 6 kg with readabilities of 0.001 kg and 0.002 kg respectively; these values define the resolution and verification steps for the KERN RIB 6K-3M retail scale. Is the unit suitable for food retail and market use? Yes—construction with a stainless steel weighing plate and dirt-rejecting drainage channels makes the device well suited for food sales, market stalls and other retail environments where hygiene and easy cleaning are priorities. Can the scale be legally verified for commercial transactions? Legal calibration can be performed; the KERN RIB 6K-3M requires separate ordering of verification in compliance with NAWI 2014/31/EU. The complete installation address is needed when placing a calibration order. How does the memory and pricing interface support busy operations? The instrument includes a large article memory and 10 direct-price keys that enable rapid recall of frequent items and direct price entry, significantly reducing transaction times at the point of sale. Which power options and plugs are included? A universal mains adapter is supplied with CH, EURO and UK plug variations to ensure compatibility with local sockets; the unit is rated for 100 V–240 V AC input. Metav Werkzeuge, Emmerich am Rhein, Germany — Email: info@metav-werkzeuge.com — Tel: +49 2822 7131930 — WhatsApp: +49 170 2837271
accurate price calculation where it matters
Price-calculating scales, also referred to as retail scales or price-computing scales, are specialised weighing systems that determine the sale price by multiplying the measured weight with the stored unit price. Designed for transparent transactions, these devices show weight, unit price and total price simultaneously—typically via a dual display for operator and customer readability. Trade-approved variants comply with EU Directive 2014/31/EU and are usually available in eichklasse iii for legal-for-trade use.
built for fast retail and mobile selling
Compact mechanical and electronic design focuses on ergonomics and speed. Intuitive menus reduce operator training time and speed up customer throughput. Flexible power options—mains operation or robust battery mode—mean the same price-calculating scales suit fixed shop counters, farm shops and itinerant market stalls alike, without sacrificing accuracy or legibility during busy trading hours.
tangible benefits for daily operations
- dual display: simultaneous readout for operator and customer
- eichklasse iii / eu directive 2014/31/eu: legal-for-trade compliance for commercial selling
- battery and mains operation: mobile use without loss of function
- compact footprint: saves counter space in busy retail environments
- intuitive menu: minimal training, faster transactions
metav — a practical partner for precision
Metav democratises precision by making professional measuring and weighing technology accessible to every workshop and retailer. Based in Emmerich, Metav acts as a quality filter for the European market, supplying over 250,000 products and earning the trust of more than 48,000 customers. For buyers seeking reliable, trade-compliant price-calculating scales, Metav combines product range depth with dependable supply and practical technical advice from an experienced team.
technical data at a glance
- price calculation based on measured weight
- simultaneous display of weight, unit price, total price
- front and customer-facing rear display (dual display)
- legal-for-trade certification (eichfähigkeit) — eichklasse iii referenced
- compliance with EU Directive 2014/31/EU
- mains and rechargeable battery operation
- compact design, user-friendly menu system
- suitable for retail, farm shops, bakeries, food processing, market stalls
FAQ
What makes price-calculating scales legally compliant for commercial use?
Legal compliance requires trade approval under EU Directive 2014/31/EU; models designated as eichklasse iii are typically suitable for commercial selling and are used as standard in retail-grade price-calculating scales.
Can the same scale be used on a market stall and at a fixed counter?
Yes. Many price-calculating scales offer both mains and battery operation, enabling continuous use at a fixed counter and reliable mobility for market stalls or temporary sales points.
How does the dual display improve transactions?
A dual display presents weight, unit price and total price simultaneously to operator and customer, increasing transparency and reducing disputes during sale — a core function of modern price-calculating scales.
Are Metav’s price-calculating scales suitable for staff with limited training?
Metav focuses on user-friendly devices with intuitive menus, reducing training needs while maintaining precision and legal conformity for retail workflows.
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