WAY 5.4Y.KO Mass Comparator from Radwag

Radwag WAY 5.4Y.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: 2 kg ÷ 5 kg

E2: 500 g ÷ 5 kg

F1: 100 g ÷ 5 kg

F2: 10 g ÷ 5 kg

M1: 1 g ÷ 1 kg

M2: 1 g ÷ 1 kg

Max capacity [Max] : 5.05 kg

Readability [d] : 0.1 mg

Reading unit 0.1 : mg

Repeatability : 0.2 mg

Stabilization time : 10 s

Electric compensation range : - 10 g ÷ + 50 g

Adjustment : external

Supplementary weights internal : 3 kg, 1 kg, 500 g

Supplementary weights external : 500 g, 300 g, 100 g, 30 g, 2 x 10 g 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 90 mm

Weighing device dimensions : 560×340×550 mm

Controling device dimensions : 206×140×70 mm

Packaging size : 850×750×560 mm

Net weight/gross weight : 17 kg / 33 kg 

Lab.Equipment supplies versatile mass comparators from well-known brands in the market including Radwag. Built to offer high resolution comparison of sample weights, these comparator balances are important for laboratories working on weight measurement analysis, traceability and verification of weights, or on applications that demand absolute weighing. Discover if the Radwag WAY 5.4Y.KO can accommodate your lab requirements by going through frequently asked questions below.

What is the max sample weight the Radwag WAY 5.4Y.KO can work on?

The Radwag WAY 5.4Y.KO is built to handle samples not weighing more than 5.05kg. It also comes with a 90mm pan size so be sure your samples would fit on it.

How much sensitivity does the Radwag WAY 5.4Y.KO offer compared to other mass comparators?

With a readability of 0.1mg, the Radwag WAY 5.4Y.KO makes way for accurate weighing results.

Can the Radwag WAY 5.4Y.KO assure accurate repeated weighing of my samples?

Yes since the Radwag WAY 5.4Y.KO is engineered to provide 0.2mg repeatability, helping you get the same results when weighing the same samples under the same conditions.

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All you have to do is to click the "Instant Quote" tool at the top of the page and fill out the form to have the PDF delivered to your inbox within 30 seconds. We promise no calls from high-pressure and annoying sales representatives.

What is the stabilization time offered by the Radwag WAY 5.4Y.KO?

The Radwag WAY 5.4Y.KO stabilizes and displays weighing results within 10 seconds.

What is the operating temperature of the Radwag WAY 5.4Y.KO?

The Radwag WAY 5.4Y.KO allows you to work on a range of samples since it can operate between +15 and +30 °C.

What other significant features do I get with the Radwag WAY 5.4Y.KO?

Improve lab productivity and efficiency with the Radwag WAY 5.4Y.KO as it is designed to offer easy placements of weights with its non-magnetic stainless steel pan featuring centrally positioned markers, minimized influence of air drafts with its anti-draft shield, convenient data management through its user-friendly menu screen, and easy exchange of data through its multiple communication interfaces including ethernet, RS232 and USB ports.

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