WLC 20/A2 Precision Balance -

WLC 20/A2 Precision Balance

Precision balances enable fast and accurate determination of mass in laboratory and industry. The devices are equipped with an internal battery which allows their operation in places where there is no access to the mains.

The WLC balances

The balance features a stainless steel weighing pan, and a backlit LCD guaranteeing clear weighing result presentation.

Communication interfaces: 2×RS232, USB type A, USB type B. The interfaces enable cooperation with peripheral devices, e.g. printer, computer, USB flash drive, additional display.

The WLC balances feature real-time clock and ALIBI memory. Optionally, they can be equipped with 4 IN / 4 OUT.

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	2,63 kg
Gross weight	3 kg
Protection class	IP 43
Communication interface	2×RS232, USB-A, USB-B
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

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

Data Sheet

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User Manual - CBCP 01

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Software Manual - WLC A

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