Operation in Hazardous Area
PUE HX5.EX indicator is a device used to make multifunctional weighing
instruments based on load cells. It is the latest RADWAG solution
intended for hazardous areas and compliant with ATEX directive. Due to
its mechanical design, the HX5.EX can be used in environment filled with
explosive gases and dust. It can be operated in zones: 1/21 and 2/22.
Ergonomics and Comfort of Operation
The housing is made of AISI 304 stainless steel of IP 66/68 protection
class. The indicator is equipped with a membrane keypad and 5” colour
graphic display covered with polycarbonate that protects it against
shocks. Hermetic, intrinsically safe interfaces connectors are located on
the back side of the housing. Stable mount bracket enables mounting
the indicator either on any flat horizontal surface or on the wall where its
inclination angle can be easily adjusted. HX5.EX indicator is powered by
intrinsically safe power supply that can be operated in both hazardous
and safe areas
Certified Intrinsically Safe Power Supply
The indicator must be powered using exclusively a certified intrinsically
safe power supply. Two versions of intrinsically safe power supply are
offered, one for operation in hazardous area (PM01.EX-1 power supply),
one in safe area (PM01.EX-2 power supply).
Cooperation with External Devices
With use of IM01.EX communication module it is possible to expand
communication interfaces range. The module facilitates cooperation with
various accessories, e.g. barcode scanners, printers, controlling/signalling
Indicator software allows carrying out processes such as weighing,
parts counting, dosing, formulations and percent weighing. Information
system is based on numerous databases: operators, products, weighings,
packaging, formulations, customers. Alibi memory guarantees stored
The interfaces enable cooperation between the indicator and the
accessories intended for operation in hazardous and safe areas.
Accessories: barcode scanners, printers, external displays, control buttons,
light signalling towers and other controlling/signalling devices.
The indicator can cooperate with systems for automatic process control
and superior IT systems.
Statistiscs function registers and analyses performed measurements. This supplies the user withthe following information: Max and Min standard deviation, average value, variance, range et.
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
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.
Marking products with the right symbols contributes to quick and reliable identification. The balance/scale usually transfers product mass or product quantity to the label printer. The transferred value is printed with the following information: bar code, pictogram, content, address etc. In laboratory the labelling is performed in a semi-automatic mode, for industry in an automatic one (dynamic scales).
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|Conformity with ATEX||II 2G Ex ib IIC T4 Gb and II 2D Ex ib IIIC T60|
|Interface||2xRS 232, 1x RS 485,4IN/4OUT|
|IP rating||IP66 / IP68|
|Housing||AISI304 stainless steel|
|Power supply||100 ÷ 240 V AC 50 ÷ 60 Hz|
|Working temperature||-10° - +40 °C|
|Display||5" graphic display|