WLC 20/A2.IO Precision Balance

Precision of WLC balances

Fast, accurate and repeatable weight determination. Energy-efficient electronics and display, combined with an internal rechargeable battery, are the perfect duo to allow you to work without access to mains power.

Precision not just in the name

When we designed this balance, we took care of the smallest details – both those you can’t see, hidden in the solid housing, and those you can touch. This balance is the result of a combination of our experience and true precision.

The power of steel

The use of stainless steel for the pan guarantees you a long life for the balance. It is not afraid of contact with moist objects or accidental splashes.

It has been with us for years, and will stay for a long time to come

The LCD display has accompanied us for long years. During this time it has proven its reliability. It guarantees the readability of the result from many angles and is energy efficient.

Internal power

The internal rechargeable battery combined with the energy-saving display and electronics allow many hours of operation without mains power.

Time counts

The balance is equipped with a real-time clock that provides accurate time measurement in a way that is independent of external power supply.

There is potential

Printer, computer, flash drive or additional display – you can easily connect them thanks to the fact that the balance is equipped with interfaces: 2 x RS232, USB type A and USB type B. Optionally, the balance can be equipped with 4 IN and 4 OUT. You can find all accessories in our regular offer. And if you have questions about compatibility, our experts will help you.

Good ALIBI

The ALIBI memory used in the terminal allows for safe storage of weighing records without the possibility of unauthorized interference. A single measurement remains in the ALIBI memory up to a preset limit number of days of storage, counting from the date it was taken.

Under-pan weighing

Weighing instruments purchased after 15th February 2023 will allow under-pan weighing at any time after the purchase. All you need to do is just to order a dedicated hook.

THBR 2.0 System

Cooperation with THBR 2.0 System for ambient conditions monitoring.

Datasheet

Maximum capacity [Max]	20 kg
Minimum load	-
Readability [d]	0.1 g
Verification unit [e]	-
Tare range	-20 kg
Repeatability	0.1 g
Linearity	±0.3 g
Stabilization time	3 s
Adjustment	external
OIML Class	-
Leveling system	manual
Display	LCD (backlit)
Weighing pan dimensions	195×195 mm
Packaging dimensions	430×270×190 mm
Net weight	2.8 kg
Gross weight	4 kg
Protection class	IP 43
Communication interface	2×RS232, USB-A, USB-B, 4 IN / 4 OUT
Power supply	Adapter: 100 – 240V AC 50/60Hz 0.6A; 12V DC 1.2A Balance: 10 – 15VDC 0.6A max
Operation time on batteries	15 h (average time)
Operating temperature	+15 – +30 °C
Relative humidity	10% – 85% RH no condensation

Repeatability is expressed as a standard deviation from 10 weighing cycles.
Stabilization time depends on the ambient conditions and the dynamics of weighing pan loading; specified for FAST profile.

Videos

Complete Solutions for Mass Measurement in Pharma Industry

Functions

Plus/Minus Control

Control of sample's mass carried out with reference to specified MIN and MAX thresholds. The weight is considered to be correct if it is comprised within threshold values. A graphic visualisation of weighing result is displayed in a form of a bar graph.

Percent Weighing

Percent Weighing function is used for comparision of measured products with mass standard. Mass of a mass standard may be a numeric value taken from a database or it may be determined through a measurement process. Each measured product is compared to mass standard, mass of which is presumed as a model 100% ideal mass. For products weighing less than the mass standard, obtained results are lower than 100%, for products weighing more, the obtained results are greatly exceeded.

Totalizing

Function adding new mass value to already obtained one. This allows to determine mass content of the mixture, being a composition of number of different consistence components. Totalizing is limited by maximum capacity parameter.

Parts counting

Function using mass measurement for determination of measured items quantity. Mass of a single item is required for this process. It may be either estimated through weighment or taken from a database. For items counting the following algorithm is used: all items mass / single item mass = quantity. Function operation is supperted by a mechanism of Automatic Correction of Accuracy. This allows to update single item mass in course of the process. To a certain extend Automatic Correction of Accuracy eliminates error which may be a result of different mass values of seemingly alike single elements. For industry solutions items counting may be simultaneously carried out with checkweighing and dosing thus industry solutions feature audio signalling base informing that specified number of items has been weighed. It is possible to apply weighing systems using few platfroms of different MAX capacities and different accuracies.

Internal battery

Internal and rechargeable battery of SLA 6 V type (sealed lead acid) enables device operation without connecting the device to the mains (9h operation). The weighing instrument controls battery status and displays a respective pictogram on the screen.

Peak hold

Function registering the greatest temporary indication occurring in course of the weighing process. It is most often used in medical scales in order to hold the measurement indication.

Under-pan weighing

The solution enables weighing with use of a stand, which is advisable for loads of non-standard shapes and dimensions and those that generate magnetic field.

Documentation

Datasheet

Data Sheet

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User Manuals

User Manual - CBCP 01

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