Description
HTML signifie : Hypertext Markup Language
Le langage HTML est constitué :
- de balises (tags en anglais)
- d'attributs (attributes)
- d'éléments (ce qui se trouve entre la balise ouvrante < et la balise fermante >).
Structure d'une page Web
Une page HTML est constituée au minimum :
- du doctype (pour indiquer au navigateur que le document est de type HTML)
- des balises qui elles-mêmen renferment 2 autres balises : et : ces 3 balises sont les balises de premier niveau.
La section Head
La balise head renferme plusieurs balises qui sont interprétées par le navigateur, mais dont le contenu n'est pas affiché sur la page.
La section Head contient de nombreuses balises, parmi lesquelles nous trouvons : l'encodage de la page (le plus souvent UTF-8), le titre de la page (balise title) . On y trouve également des balises meta, des liens vers des feuilles de style CSS, et parfois des scripts en Javascript.
Les différentes balises meta et title jouent un rôle primordial pour le référencement.
La section Body
Elle contient au contraire tout ce qui sera affiché sur la page web dans le navigateur. Il existe de nombreux types de balises :
- les balises sectionnantes (permettant de diviser la page en plusieurs sections, comme header, nav, section, footer, article. Elles sont primordiales car elles donnent des indicationx aux moteurs de recherche qui parcourent les pages web).
- les balises de structuration du texte (comme les headings, les blockquotes, les paragraphes)
- les balises de listes (numérotées ou non)
- les balises de tableau (désormais déconseillées pour construire une page web, mais parfois très utiles pour construire le template d'une newsletter)
- les balises de formulaire (form, input, textarea...)
- les balises génériques (div, span...)
Mode d'affichage des éléments HTML
Il existe également une autre façon de distinguer certains types de balises.
On parle parfois en effet de :
- balises "inline" qui permettent de définir l'affichage d'un élément sans retour à la ligne. Parmi les balises inline, nous avons par exemple les balises span, a, strong, img ...
- balises "blocks": elles occupent toute la largeur disponibles. Lorsque 2 éléments de type "blocks" se suivent, ils sont disposés par défaut l'un en dessous de l'autre. Nous avons par exemple les balises div, h1, p, ul, form, table, blockquote.
-de balises "invisibles" : elles ne s'affichent pas sur la page, comme par exemple la balise meta, inclue dans la partie head de la page.
Fonctionnalités
- HTML permet d'écrire de l'hypertexte. Il permet de structurer sémantiquement et logiquement le contenu des pages web, mais aussi d'inclure des éléments multimédia tels que des images ou des vidéos.
Année de création
- 1992
Créateur
- Web Hypertext Application Technology Working Group
Dernière version
- 5.2
Langage
- HTML
Liens
Aux dernières nouvelles
- Actuellement, la dernière version du HTML est le HTML 5. Mais les membres du groupe de travail du W3C veulent créer un HTML Living Standard, une version du HTML qui n'aurait pas de numéro de version. Ainsi le HTML serait en constante évolution.
Application Areas
Balanset-1A is successfully operated for imbalance elimination of various types rotating equipment:
Industrial Machinery:
Ventilation Systems - manufacturing, supply, duct. Pumping Equipment - centrifugal, chemical. Motors - asynchronous. Turbo Units - gas. Compression Equipment - centrifugal.
Machine Tools:
Spindle Units - milling. Grinding Wheels. Shafts of rolling mills.
Agricultural Machinery:
Combine Rotors. Rotary Mowers. Grinding Equipment for fertilizers.
Special Applications:
Centrifuges - laboratory. Blowers. Grinding Equipment. Transmission Shafts.
Technical Parameters
Main Parameters:
Correction planes: 1-2. Operating speed range: 200 to 15,000 revolutions per minute. Phase determination accuracy: ±1°. Vibration measurement precision: ±5%. Measurement channels: 2. Vibration measurement limits: 0.1 to 300 mm/s. Power source: From computer USB port. Total weight: 4 kg.
System Capabilities:
Automated computation of correction masses. Database of operations. Standards determination according to ISO 1940. Spectral analysis of vibration. Graphical display in diagram form. Split-weight calculator. Index balancing of mandrels.
Package Contents
Standard Configuration:
USB measurement module (1 pc.) - delivers measurement control between hardware and software.
Accelerometers (2 pcs.) - Output signal: 100 mV/g. Frequency range: 0.5-10,000 Hz. Installation: magnetic base.
Laser phase sensor (1 pc.) - Working range: up to 1.5 m. Remote sensing for safe operation.
Magnetic stand for phase sensor (1 pc.) - Magnetic strength: 60 kgf. Adjustable positioning for optimal alignment.
Digital scales up to 500 g (1 pc.) - Accuracy: 0.01 g. Essential for accurate mass determination.
Program Balanset-1A - User-friendly interface. PC-based. International versions.
Protective case (1 pc.) - Durable construction. Cushioned interior for secure storage.
Technical documentation - Comprehensive guide. Clear methodology.
Connection cables - Durable shielded cables.
Strong Points of Balanset-1A
Technical Advantages:
? High Accuracy - Advanced methods of signal processing guarantee reliable results.
? Compactness - Easy transportation facilitates in-place adjustment without removal.
? Wide Capabilities - Applicable to various rotors from small fans to massive shafts.
? Ease of Use - Intuitive interface bypasses special training.
Economic Advantages:
? Cost Reduction on maintenance through preventive maintenance - 50-80% of emergency repairs.
? Equipment Life Extension by 50-200% - vibration-free operation lasts longer.
? Power Savings by 5-15% - smooth operation operate efficiently.
? Quick Payback - from 3 to 12 months depending on operational scale.
Service
Available to you:
Personnel Training - comprehensive sessions online. Certification program includes all aspects.
Expert Assistance - 24/7 assistance. Email support for rapid response.
Metrological Support - regular certification to ensure precision.
Temporary Use - suitable for one-time projects. Monthly hire periods available.
Price Information
Actual Prices:
Balanset-1A Portable Balancer & Vibration Analyzer: €1,751.00
Balanset-1A OEM Version: €1,561.00
Additional Vibration Sensor: €90.00
Optical Sensor (Laser Tachometer): €124.00
Magnetic Stand 60 kgf: €46.00
Reflective Tape: €10.00
Shipping Conditions:
Delivery time: 3-5 business days. Guarantee period: 24 months full warranty. Settlement: negotiable. Shipping: to any country via express delivery.
Our Advantages
Official Supplier - factory warranty with comprehensive backup.
Qualified Personnel with years of expertise in rotor balancing.
Complete Service Cycle - from delivery to service and skill development.
Stock Availability - fast shipment for standard items.
Individual Approach for long-term cooperation including volume discounts.
Best regards,
Balancing specialists team
P.S. Request a demonstration of the equipment today and take advantage of offers!
Technical Parameters
Main Parameters:
Balancing planes: 1-2. Operating speed range: 200 to 15,000 revolutions per minute. Phase measurement accuracy: ±1°. Vibration measurement accuracy: ±5%. Measuring channels: 2. Measured vibration velocity: 0.1 to 300 mm/s. Power source: USB powered. Kit weight: 4 kg.
Functionality:
Automated computation of balancing weights. Results archiving of operations. Permissible values computation according to ISO 1940. Frequency analysis of vibration. Graphics in real time. Split-weight calculator. Eccentricity compensation of mandrels.
Supply Composition
Standard Configuration:
USB measurement module (1 pc.) - provides measurement control between measurement system and PC.
Vibration transducers (2 pcs.) - Sensitivity: 100 mV/g. Operating frequencies: 0.5-10,000 Hz. Installation: threaded stud.
Financial Benefits:
? Cost Reduction on repairs through failure prevention - significant reduction of unplanned downtime.
? Durability Enhancement by 50-200% - balanced equipment requires less maintenance.
? Power Savings by 5-15% - reduced friction operate efficiently.
? Short ROI Period - from 3 to 12 months depending on operational scale.
Support
Available to you:
Specialist Preparation - theoretical sessions at your site. Advanced training encompasses full procedures.
Consultations - 24/7 help. Phone consultations for quick problem solving.
Certification - annual calibration to guarantee reliability.
Equipment Rental - perfect for one-time projects. Daily rental options available.
Price Information
Current Pricing:
Balanset-1A Portable Balancer & Vibration Analyzer: €1,751.00
Balanset-1A OEM Version: €1,561.00
Additional Vibration Sensor: €90.00
Optical Sensor (Laser Tachometer): €124.00
Magnetic Stand 60 kgf: €46.00
Reflective Tape: €10.00
Shipping Conditions:
Shipping period: from 3 days. Warranty: 24 months complete protection. Settlement: 100% prepayment. Shipping: international shipping via courier service.
Why We Stand Out
Authorized Dealer - original equipment with full support.
Qualified Personnel with deep knowledge in rotor balancing.
Full Service - from supply to maintenance and education.
Warehouse Inventory - minimal lead time for popular models.
Flexible Terms for long-term cooperation including volume discounts.
At your service,
Balancing specialists team
P.S. Ask for presentation of the equipment right now and take advantage of offers!
Magnetic stand for phase sensor (1 pc.) - Holding force: 60 kgf. Adjustable positioning for optimal alignment.