WAY 100.4Y.KO Mass Comparator from Radwag

Radwag WAY 100.4Y.KO
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The newest line of Radwag Mass Comparators enables adjusting mass standards and weights according to the OIML recommendations (R-111) from 1 mg to 5 kg for E1 class and lower.

Mass comparators are used both for ensuring traceability of mass measurements, and verification of weights in accordance with the principles of legal metrology. RADWAG Mass Comparators have gained recognition among Accredited Calibration Laboratories in many countries.

Mass comparator WAY 4Y.KO series similarly to other models, comprises two components. One of them holds the electronic module, and the other precise mechanical measuring system.

The WAY 4Y.KO series comes standard with an aesthetic, large weighing chamber with glass anti-draft shield. All elements of the weighing chamber are manufactured from glass or metal to minimize the influence of electrostatic charges on weighing result. Mass comparator WAY 4Y.KO series features an intuitive menu supporting a user while operating the instrument.


E1: 5 g ÷ 100 g

E2: 100 mg ÷ 100 g

F1: 1 mg ÷ 100 g

F2: 1 mg ÷ 100 g

M1: 1 mg ÷ 100 g

M2: 1 mg ÷ 100 g

Max capacity [Max]: 110 g

Readability [d]: 0.001 mg

Reading unit: 0.001 mg

Repeatability: 0.003 mg

Stabilization time: 30 s

Electric compensation range: - 1 g ÷ + 10 g

Adjustment: external

Supplementary weights internal: 50 g, 30 g, 10 g

Supplementary weights external: 10 g

Working temperature: +15 - +30 °C

Working temperature change rate: ±0.5°C/12h (±0.3°C/h)

Atmospheric humidity: 40% ÷ 60%

Atmospheric humidity change rate: ±5%/4h

Power supply: 110 ÷ 230 V AC / 50 ÷ 60 Hz / 13.5 ÷ 16 V DC / 1.1 A

Pan Size: ø 30 mm

Weighing device dimensions: 385×215×315 mm

Controling device dimensions: 206×140×70 mm

Packaging size: 850×750×560 mm

Net weight/gross weight: 15 kg / 31 kg

Lab.Equipment supplies feature-packed mass comparators from popular brands including Radwag. Offering high resolution and repeatability, these comparator balances ensure traceability/verification of mass measurements and are significant when doing weight measurement analysis of national standard mass or applications that deal with absolute weighing. See if the Radwag WAY 100.4Y.KO meets your lab requirements and demands by reading though our frequently asked questions below.

How much samples can the Radwag WAY 100.4Y.KO hold?

The Radwag WAY 100.4Y.KO can work on samples not exceeding 110g. It also features a 30mm weighing pan so be sure your samples fit this.

How accurate and sensitive is the Radwag WAY 100.4Y.KO?

Accurate results are achieved with the Radwag WAY 100.4Y.KO as it comes with a reading interval of 0.001mg.

What is the repeatability value offered by the Radwag WAY 100.4Y.KO?

For low and nominal loads (100mg/100g), the Radwag WAY 100.4Y.KO presents a 0.0003 mg repeatability.

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How long does it take for the Radwag WAY 100.4Y.KO to stabilize from the time you put samples on it and return results?

The Radwag WAY 100.4Y.KO has a stabilization time of 30 seconds.

What is the working temperature of the Radwag WAY 100.4Y.KO?

You can operate the Radwag WAY 100.4Y.KO with temperatures between +15 - +30 °C.

Any other features of the Radwag WAY 100.4Y.KO that would make me want to purchase it?

The Radwag WAY 100.4Y.KO comes with a spacious weighing chamber with anti-draft shield, an intuitive menu screen for user-convenience, infrared proximity sensors for print and tare functions, and various communication interfaces such as ethernet, RS232 and USB ports.

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