krones label used for sale

A complete bottle filling, sterilizing, capping, labelling, cartoning and palletizing line for the wine industry is available. Bottle filling capacity: 4000 bottles/h, bottle format sets: 1l and 0.75l Schlegel/Bordeaux/Bugunder/0.5l/0.25l, sterilizer capacity: 4000 bottles/h, capper capacity: 8000 bottles/h, labelling capacity: 10000 bottles/h, capping capacity: 10000 bottles/h, carton formats: 12 and 6-bottle crates/12 and 6-bottle cartons, palletizing capacity: 1000 cartons/h. Line components: 1) Normpack Compact Form CF 670/980 carton folding machine, year of manufacture: 2000, output: approx. 650 cartons/h, 2) Stork VV-24 L.W. bottle filling machine, Year of manufacture: 1977, 3) Silmo ST XII/110 v ozone immersion bath sterilizer, year of manufacture: 1983, bottle formats: all standard wine bottles, 4) Miho LC 2000 caustic tester, year of manufacture: 2003, 5) Kapsler Robino & Galand ...

Labelling machine for labelling various packages or products such as boxes, bags, cartons. - Specifications Labeller: Label width: 15-130mm, or customized | product dimensions: L(50-250)xW(80-300)xH(0.1-30)mm, customized adaptations possible | max. speed of the machine in neutral: 100 cycles/minute | power: 1kW, 220V | machine dimensions: L2000xB600xH1750mm | weight: 250kg. Module for hot stamping for BBD, batch number etc. optionally available. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

Labelling machine for labelling various packages or products such as boxes, bags. - Specifications Labeller: Label width: 20~210 mm, Label height: 20~314 mm | product dimensions: L(40-400)xW(40-300)xH(0,2-120) mm | max. speed of the machine in neutral: 120 cycles/minute | accuracy: ?1 mm | power supply: 220V, 50Hz | machine dimensions: L2130xW760xH1300mm | weight: 185kg. Module for hot stamping for BBD, batch number etc. optionally available.. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

A Weber label dispenser for pre-printed self-adhesive labels is available. Inner core diameter: 73mm, max. label roll diameter: 300mm, min. label dimensions X/Y: 10mm/20mm, max. label dimensions X/Y: 120mm/300mm, labeling capacity: 600 labels/min, wipe-on speed: 50m/min, tamp-on speed: 120 labels/min, accuracy: +/-0.8mm, machine dimensions X/Y/Z: approx. 720mm/310mm/590mm, weight: approx. 25kg. Documentation available. On-site inspection is possible.

Wet Glue Labeling Machine Gernep Labetta Built in 1999 Round Runner Type 3/2/6 BR Chest, neck - back label Bottle Type 0.33 + 0.50 + 0.70 + 1.00L Glass Bottle 5,000 bph Running direction left - right Clockwise

Fully automatic sticker labelling machine for a wide range of products and packaging (cartons, boxes, beverage multipacks such as sixpacks and many more). The labeller can be easy integrated into any line, in principle, by adding it to a conveyor belt, for example. The labelling unit is adjustable in the height. The labelling unit is controlled by a PLC and operated by a touch screen. - Specifications: label length: 6-250mm | label width (backing paper width): 20-150mm | inner diameter of the label roll: 76mm | max. outer diameter of the label roll: max. 240mm | label precision: ?1 mm | max. speed of the machine in neutral: 150 cycles/minute | power: 220V, 50Hz/60Hz | machine dimensions approx.: L950xW900xH1480mm | weight: 70kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new ...

Fully automatic paper labelling machine with PLC control or touch switch knob control, photoelectric device, variable speed motors and conveyor chain. - Specification: label length: max. 300mm | label width: max. 120mm | max. speed of the machine in neutral: 83 cycles/minute | power: 220V, 50Hz/60Hz, 1.75kW | machine dimensions: approx. L2440mm?W1000mm?H1300mm | weight: approx. 800kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

Fully automatic paper labelling machine for applying labels on both sides (back and front). PLC controlled or touch switch knob control, photoelectric device (LEUZE sensor), variable speed motors and conveyor chain board. - Specification: label length: 10-250mm | label width: 10-150mm | bottle diameter: customized | label core diameter: 76mm. max. label roll diameter: 300 mm. Label precision: ? 1mm | max. speed of the machine in neutral: 150 cycles/minute | power: 220V/380V, 50Hz/60Hz, 750W | machine dimensions: L2400mm?W1500mm?H1400mm | weight: 400kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are po ...

Fully automatic labeller for small vials, ampules or other cylindrical products made of glass or plastic. The labeller has a magazine with a capacity of approx. 200 vials or ampules (depending on their diameter), which are transported separately to the labelling unit between conveyor rollers. After labelling, the products are discharged via a small chute. The labeller is PLC controlled and operated by a touch screen. The separator, the roller conveyor belt and the labelling unit are driven by servo motors, each with its own drive. So, the labeller can be optimally adjusted to your requirements. 3-line ribbon printer for e.g. date printing, batch number, BBD, included. - Specifications: Product diameter: 10-30mm | label length: 10-314mm | label width (backing paper width): 20-130mm | inner diameter of the label roll: 76mm | max. outer diameter of the label roll: max. 280mm | label precisi ...

Fully automatic paper labelling machine with PLC controlled or touch switch knob control, photoelectric device, variable speed motors and conveyor chain board. - Specifications: label length: 250-600mm | Label width: 65-195mm | bottle diameter: 80-190mm | inner diameter of the label roll: 76mm | max. outer diameter of the label roll: 300mm | label precision: ? 1mm | production capacity: max. speed of the machine in neutral: 33 cycles/minute | power: 220V, 50Hz/60Hz | machine dimensions: L2000mm?W900mm?H1500mm | weight: 350kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are  ...

Fully automatic labeller for bottles, cans, containers. PLC control, operation via touch monitor. Variable speed motors and conveyor chain board. - Specifications: label length: 6-260mm | label width (backing paper width): 10-150mm | bottle diameter25-130mm | inner diameter of the label roll: 76mm | max. outer diameter of the label roll: 300mm | label precision: ? 1mm | production capacity: max. speed of the machine in neutral: 40 cycles/minute | power: 220V, 50Hz/60Hz. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

Automatic Sleeve Labelling Machine with a capacity of up to 100 cycles per minute. Shrink tunnel included. Stainless steel version (SS304), servo motor driven cutter, no-bottle-no-label, label feeding device with a feeding speed of up to 90m/min for fast and precise production. Brusher devices to help fixing the label in the right position, bottle position fixing device, adjustment to lift he machine according to the bottle size. MITSUBISHI PLC, WEINVIEW touchscreen. - Specifications: max. speed of the machine in neutral: 100 cycles/minute | label ?: 28-50 or 50-95 or 95-125mm | label length: 35-300mm | label thickness: 0.035-0.08mm | power: 2kW, machine dimensions: L6000xW1050xH2100mm | weight: 1200kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available im ...

Automatic Sleeve Labelling Machine with a capacity of up to 400 cycles per minute. Shrink tunnel included. Stainless steel version (SS304), servo motor driven cutter, no-bottle-no-label, label feeding device with a feeding speed of up to 90m/min for fast and precise production. Brusher devices to help fixing the label in the right position, bottle position fixing device, adjustment to lift he machine according to the bottle size. MITSUBISHI PLC, WEINVIEW touchscreen. - Specifications: max. speed of the machine in neutral: 100 cycles/minute | label ?: 28-50 or 50-95 or 95-125mm | label length: 35-300mm | label thickness: 0.035-0.08mm | power: 2kW | machine dimensions: L6400xW1100xH2600mm | weight: 1500kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available i ...

Label shrink tunnel for shrinking labels on bottles, cans or jars. Version without conveyor belt and with removable frame. The chamber can be installed on existing conveyor belts, allowing the shrink tunnel to be optimally integrated into your packaging line. Powerful air blowers ensure a smoothly shrinking of the labels without corrugations. - Specifications: Max. product size: ? 140xH350mm | tunnel size: L1600xW150xH400mm | max. output: 200 containers/minute | power: 380V, 14kW | machine dimensions: L1600xW1005xH2100mm | weight: 350kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All m ...

LABELshrink tunnel. Fully automatic version with circle conveyor for smoothly shrinked full labels on bottles/cans/glasses without any corrugation. Air blow controllable by sections. - Specifications: max. product size: ? 200xH300mm | tunnel size: L3000xW250xH350mm | machine dimensions: L5600xW680xH1770mm | output: up to 200 bottles/min | power: 380V, 32kW. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

Shrink tunnel for shrinking labels onto bottles, jars, containers. Evenly shrinking of the labels without wrinkling due to the steam process. ? Specifications tunnel: max. product size: ? 100xH220mm | max. Output: 166 container/minute | compressed air: 1bar | power: 220V, 900W | machine dimensions: L2450?W500?H1600mm | weight: 120kg. ? Specifications steam generator: capacity and steam output: 27l, max. 34,4kg/h | steam temperature: 170?C | max. 24kW | compressed air: 7bar | power: 380V | dimensions: 660x420x1230mm | weight: 120kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machine ...

Label shrink tunnel for shrinking labels on bottles, cans or jars. Version without conveyor belt and with removable frame. The chamber can be installed on existing conveyor belts, allowing the shrink tunnel to be optimally integrated into your packaging line. Powerful air blowers ensure a smoothly shrinking of the labels without corrugations. - Specifications: Max. product size: ? 110xH250mm | tunnel size: L1500xW120xH300mm | max. output: 200 containers/minute | power: 380V, 14kW | machine dimensions: L1500xW1005xH2100mm | weight: 300kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All m ...

Label shrink tunnel for shrinking labels on bottles, cans or jars. Basic version with conveyor belt. Powerful air blowers ensure a smoothly shrinking of the labels without corrugations. - Specifications: Max. product size: ? 140xH350mm | tunnel size: L1600xW150xH400mm | max. output: 200 containers/minute | power: 380V, 14kW | machine dimensions: L1900xW600xH1665mm | weight: 300kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

LABELshrink tunnel. Basic version with conveyor for smoothly shrinked labels on caps only. For bottles/cans/glasses without any corrugation. Two blowing motors for low and turbo air blowing. - Specificationen: max. product size: ? 120xH400mm | tunnel size: L1000xW150xH400mm | machine dimensions: L1530xW400xH1300mm | output: up to 200 bottles/min | power: 380V, 9.0kW. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

LABELshrink tunnel. Basic version with conveyor for smoothly shrinked full labels on bottles/cans/glasses without any corrugation. Air blow controllable by sections. - Specificationen: max. product size: ? 100xH280mm | tunnel size: L1500xW120xH300mm | machine dimensions: L1800xW600xH1550mm | output: up to 200 bottles/min | power: 380V, 9kW. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

Label shrink tunnel for shrinking labels on bottles, cans or jars. Basic version with conveyor belt. Powerful air blowers ensure a smoothly shrinking of the labels without corrugations. - Specifications: Max. product size: ? 110xH250mm | tunnel size: L1500xW120xH300mm | max. output: 200 containers/minute | power: 380V, 14kW | machine dimensions: L1800xW600xH1665mm | weight: 250kg. Please note that our new prices are often below the usual used prices. Please feel free to inquire and tell us your packaging task. - Usually 30-50 different new machines are available immediately from stock. In addition, we have very short delivery times from approx. 3 weeks for customized machines. Deviations from the sample photo are possible. - All machines are available with full warranty.

Labeller Manufacturer: Herma Type 552 Compact Machine No. 552/8 0000 612 Floor labeller Self-adhesive labels

Used EMPAK EA-1 labeling machine for automatic application of self-adhesive labels to all types of cylindrical packaging. Technical data: Max. label dimensions length limited by package size width up to 120mm Label reel dimensions Internal diameter 40mm Outer diameter up to 300mm Max. efficiency. Up to 6000 packages/hour Package diameter up to 80mm Power supply voltage 3N~50Hz 220/380V TN-S Overall dimensions 1500x700x900 mm weight 130kg.

Used Empak closing / capping machine, type TZZ.

Logopak 410 IIIF Labeller Serial: LP10021552 Logopak print and apply labeller, mounted on variable speed conveyor, conveyor 700mm x 300mm, previously used on labels 100mm x 60mm,

1.0 pcs IML Brewing System with Removal Unit, Stacking Unit and with IML Vision Inspection System for 4-Compartment Cavities Tool Manufacturer: Beck Automation AG Type: B4 Year of Make: 2019

1.0 pcs IML Brothers - System with Removal Unit, Placement on Conveyor Belt for horizontal stacking injection mould 32 - cavities Manufacturer: Beck Automation AG Type: B32 Year of Make: 2019

Used packaging machine for sachets from 3 grams to 100 grams of Italian brand Omag model C3/1. New 2002. Control panel with touch screen, electric panel.

Stock number: F955, Labelling machine, EME type 1120,, for self adhesive labels., Max label height 120 mm., Mounted in stainless housing,, with safety cabinet., Exclusive conveyor., Label: Max label height 120 mm.

Stock number: F1105, Material: Stainless steel AISI 304, Label size: Max H 120 mm., Item: Labelling machine, In stock: Yes, Amount in stock: 1 pc., Standing: On a legstand with wheels, Dimensions: L 2200 x W 1100 x H 1450 mm., Label placement: On the side, Packaging form: Cylindrical, Roller: 3-Roller system, Conveyor: Lamella, Conveyor dimensions: W 83 x L 2000 mm., Manufacturer: EME, Model: 4-120, Year: 2002, Other: With 2 x circular tables Ø 600 mm.

Stock number: F1072, Double labelling machine, stainless steel,, Fuchen type BX, year 2020., Ex secured Exde II B,, for front and back labelling., With self-adhesive labels,, max label height 190 mm., Alignment, sideband, top band,, throughout lamella conveyor W 83 x L 3000 mm., Material: Stainless steel AISI 304, Label: Max label height 190 mm.

Stock number: F979, Label dispensor,, Avery model 4000., For self-adhesive labels,, table model., Max label height 150 mm., Label: Max label height 150 mm.

Stock number: F925, Double labelling machine,, Eurokett, 240 series, system 612., For mounting of self-adhesive labels, on the front and bag., Max label height 160 mm., Lamella conveyor W 113 x L 2500 mm., Automatic guide,, top belt., Label: Max label height 160 mm.

Stock number: F732, Label machine,, Collamat model 5010, with Hotprint,, for labelling of ampoule bottles., Max label width: 100 mm., Conveyor., Label: Max label width 100 mm.

Stock number: F639, Label dispenser, Avery type ALS 1., For self-adhesive labels., Standing on telescope rack., Max. label height 100 mm., Label: Max. label height 100 mm.

Stock number: F507, Double labelling machine,, Collamat 70., Suitable for self-adhesive labels., Front and back label mounting., Max. label height 150 mm., Conveyor W 100 x L 1950 mm., Top conveyor., Label: Max. label height 150 mm.

Stock number: F612, Label dispenser,, Avery, table model., Max. label width 150 mm., Label: Max. label width 150 mm.

Stock number: F1066, Labeling machine, Eurokett,, for mounting self adhesive label., On the side of cylindrical, square or oval packaging,, max label height 160 mm., Conveyor W 83 x L 1950 mm with lamellar band,, Rectifier station., Top band., Label: Max label height 160 mm.

Stock number: F1024, Labelling machine,, EME type 1250., For top/side mounting of labels,, for self-adhesive labels., Belt conveyor W 300 x L 1300 mm., Max label height 250 mm., Material: Stainless steel AISI 304, Label: Max label height 250 mm.

Age 2004, Consisting of:, Base Machine is a OMSO DM44N 2-Lane Lid Machine without the Print Heads and UV-Tunnel, L- Format in feed conveyor for feeding Vertical Lid Stacks, acts as an accumalator as well 2 x Denesting unist each with a Vertical Magazine with Universal Helical Screws with suction Nipples Infeed conveyor with Vacuum to keep Lids in proper position Each Lane with PAGOmat 6HS Label Dispenser, Label dispensers, with PLC Controls manufactured by Fuji Seal, Switzerland Outfeed Conveyor to 2-Lnae Lid Stacker 2-Lane Stacker, each Lane with 2 x Universal Helical Screws Main Drive with a variable frequency, AC-Synchronous Motor with a brake, with Microprocessor Controls Vision System to monitor the Color and positioning of the Labels 400 V, 3 phase, 50 Hz, Max. Lid dimensions: [Round Lids]: Dia. 125 mm, Height: 25 mm. [Rectangular & Oval Lids]: 125 x 150 mm, Height: 25 mm, Single L ...

Labeller Manufacturer BBK Type ESB 1207-1832 Suitable for self-adhesive labels The machine is used exclusively for applying lid labels to vials. Documentation available

Machine d'impression offset OMSO DM 144 lids?Destinée à l'impression offset de couvercles 6 couleurs Année 2005 Vitesse max de production : 30 000 pièces/heure Diamètre max du couvercle : 200 mm Diamètre min du couvercle : 50 mm Hauteur max du couvercle : 25 mm Dimensions max d’un couvercle rectangulaire: 200 x 200 mm Dimensions min d’un couvercle rectangulaire: 50 x 50 mm Dimensions max d’impression : 180 x 180 mm Nr des tampons d’impression : 4 Nr des tampons de contre impression : 1 Puissance électrique installée : 20 KW?Puissance séchage UV : 8 KW Consommation air et pression : 700 Nl/min Poids total machine: 3800 KG

Etikettiergerät / Labeling machine EcoLine 100-XSR Baujahr / Year 2013 - Serial-No. 6012 Durchlassbreite / bandwidth 100mm Stoppgenauigkeit / stopping accuracy +/- 0.5mm Etikettenlänge / label length min. 10mm Etikettenbreite / label width min. 10mm Innen-Durchmesser Etikettenrolle / Inside diameter of label roll 40/76mm Aussen-Durchmesser Etikettenrolle / Outer diameter of label roll 300mm Netzspannung / Voltage 115/230V, 50/60Hz Leistungsaufnahme / power consumption 400 VA Zertifizierung / Certification CE IP-Schutz IP44 (optional IP54)

1x SK labeller GAI 6023-x01, built in 2021, for self-adhesive labels / adhesive labels with capsule roller & 2 label As good as new GAI 6023-x01 Year of construction 2021 2 label stations 1 station with 2 roll-on heads for roll-on capsules Attachment for capsules Molded parts for common bottle sizes Accumulation sensor in the outlet, collection table with belt drive Achievement: Labelling only 2800b/h with roll-on capsule: 2000b/h Price: €38,500 plus VAT ex Rheinhessen location

• For vials/bottles diam. 16-78 mm, height max. 220 mm, output max. 350 objects/min • Label length 15 - 200 mm, height 10-100 mm, label roll diam. max. 400 mm • Hot printing device Graseby Allen • Operation from left to right • Dispensing table adjustable in height, depth across direction, inclinaton across direction • Code reading Laetus Argus 6 • Bad discharge in scrap tray by air nozzle • Separating screw for vial diam. 24 mm, height 40 mm • Counter, control for feeding rotary table (rotary table not attached) • PLC Siemens S5-95U • Electr. connection 400V/50Hz This machine is offered at a special price and sold as-is without technical inspection.

Labellers for folding cartons Manufacturer: Neri Model DL 200 Type 2 TA

Labellers for folding cartons Manufacturer: Neri Model SL 200 Type 1 TA

• \cf1For attaching a safety label to cover flap • Top labeller manufacturer Schleuter, type ALS-221 RH. • Width label 10-100 mm • Length label 10-220 mm • Diam. labelling coil max. 300 mm • Speed labeller 2-30 m/min • Device for 90° flip (safety label) • PLC Siemens S7 Siematic IM 151-7 • Electrical connection 50Hz/1,8 KVA/400V \cf0

• For applying a security label to a top-load folding box. • Output max. 300 folding boxes/min. • Folding box dimensions width in infeed direction max. 120 mm, height max. 95 mm • Separating station • Side conveyor belts • Top conveyor • Label dispenser PAGOmat 6/2 A 75/100, height- and cross-adjustable • Label roll outer diam. max. 400 mm, core diam. 76 mm • Label width max. 40 mm, label length max. 25 mm • Inkjet printer Wolke (Videojet) m600 advanced with 1 print head • Camera control PCE with camera Mini-Smart, retrofitted in 2010 • Badpackage ejection into container with air nozzle and ejection countercheck • Various controls with light barriers • Machine control with separate control cabinet, PLC Siemens S7-300, HMI Siemens Simatic Panel • Camera control with separate shadow cabinet, PLC S7-200 and IPC (Windows XP Professional), keyboard, HMI PCE panel ...

• For applying security labels to both side flaps of a folding bo. • Output max. 100 cartons/min • Max. Folding box width in infeed direction crossways 180 mm, max. height 92 mm • Side conveyor belts • Upper retaining conveyor • 2 Label dispensers PAGOmat 6/2 A-100 with operating units • Label dispenser Height and crosswise adjustable • Label reels core diam. 76 mm, outer diam. max. 280 mm • Various controls via light barriers • Blow-out station for bad cartons with ejection countercheck • HMI Siemens Simatic Panel Touch, • PLC Siemens S7-300 CPU 314C-2DP • Mobile • Drive 400V/50Hz