TELL-TALES
• Plus Tell-Tale
• Corner Tell-Tale
• Displacement Tell-Tale
• Standard Tell-Tale
• Home Monitoring Kit
• Crack Monitoring Kit
 
OPTICAL
• Crack Microscope
• Crack Width Gauge
 
CALIPERS
• Digital Monitoring
      Essentials Kit
• Digital Monitoring
      Professional Kit
• Vernier Caliper Kit
• USB Interface for
     Digital Calipers
 
ACCESSORIES
• Thermometer Kit
• Stainless Steel Discs
     (Pk 100)
• Corner Discs
• Fixing Screws
• Data Collection Kit for
      Digital Calipers
 

Avongard is a UK company who have been trading since the 1970s.

Avongard was formed in 1976. The joint founder of the company and now the Technical Director is a Chartered Structural and Civil Engineer and Chartered Surveyor. He recognised there was a need for a simple but reliable calibrated gauge for the monitoring of cracks. Prior to that time only crude qualitative methods or high precision high-resolution instruments were available.

The Tell-Tales (generic name for crack gauges) supplied by Avongard Ltd are the original and genuine product.

 
 
   
 
     
 

Tell-Tales
Plus Tell-Tale

  • Avongard Tell-Tales are precision gauges that consist of two plates which overlap for a part of their length. The bottom plate is calibrated in millimetres and the top plate is transparent and marked with a hairline cursor in the form of a cross.
  • Fix using Screws and Adhesive (not included but available as accessories).
  • Supplied with full instructions and Crack Record Sheet.

 

Tell-Tales
Corner Tell-Tale

The Avongard Corner Tell-Tale monitors horizontal and vertical movement across a crack in a corner.

  • The Tell-Tale is hinged enabling it to be used in internal corners of angles between 70 and 180 degrees.
  • Monitors both internal and external corners.
  • Avongard Tell-Tales are precision gauges that consist of two plates which overlap for a part of their length. The bottom plate is calibrated in millimetres and the top plate is transparent and marked with a hairline cursor in the form of a cross.
  • Fix using Screws and Adhesive (not included but available as accessories).
  • Supplied with full instructions and Crack Record Sheet.

 

Tell-Tales
Displacement Tell-Tale

  • The Avongard Displacement Tell-Tale monitors horizontal and displacement movement where there is a "step" across a crack due to displacement or "out of plane" movement.
  • The Tell-Tale consists of three components. A base plate (not calibrated) a top plate (which is calibrated) and a graduated ruler. The ruler is not left on the gauge but is used to measure the relative movement in the two plates.
    • Calibrated in millimetres.
    • Displacement monitoring range of 110mm.
    • Horizontal monitoring range of -10mm to +50mm.
    • Fix using Screws and Adhesive (not included but available as accessories).
    • Supplied with full instructions and Crack Record Sheet.

 

Tell-Tales
Standard Tell-Tale

  • Avongard Tell-Tales are precision gauges that consist of two plates which overlap for a part of their length. The bottom plate is calibrated in milli-metres and the top plate is transparent and marked with a hairline cursor in the form of a cross.
  • Fix using Screws and Adhesive (not included but available as accessories).
  • Supplied with full instructions and Crack Record Sheet.

 

Tell-Tales
Home Monitoring Kit

  • This set contains all the products needed to monitor cracking on a flat wall within the home. It includes a Crack Width Gauge to measure the width of cracks prior to monitoring, Plus Tell-Tales, all fixings, instructions for use and Crack Record Sheets. It also includes the book Has your House got Cracks?: A Homeowner's Guide to Subsidence.
  • The kit can be replenished by re-ordering any of the components which are also available as separate items.
  • The kit contains :
    1x Book : A Homeowner's Guide to Subsidence
    1x Crack Width Gauge
    2x Plus Tell-Tales
    2x Packs of Fixing Screws
    1x Pack of Plastic Padding (Chemical Metal)
    Instructions and Crack Record Sheets to record changes in crack width.

 

Tell-Tales
Crack Monitoring Kit

  • This set contains all the products needed to set up a Tell-Tale crack monitoring system. Supplied in a courier bag with shoulder strap, it includes a Crack Width Gauge to measure the width of cracks prior to monitoring, Plus Tell-Tales, Corner Tell-Tales, all fixings and Crack Record Sheets. It also includes an illustrated manual with full instructions for use.
  • The kit can be replenished by re-ordering any of the components which are also available as separate items.
  • The kit, supplied in a courier bag, contains :
    1x Instruction Booklet
    1x Crack Width Gauge
    5x Plus Tell-Tales
    1x Pair Corner Tell-Tales
    7x Packs of Fixing Screws
    1x Pack of Plastic Padding (Chemical Metal)
    Crack Record Sheets to record changes in crack width.

 

Optical
Crack Microscope

  • The high definition crack microscope is very easy to use and comes in a wooden pocket size case. The adjustable battery powered light source ensures a well-illuminated image under all working conditions.
  • If the location of each crack width reading is marked with a permanent marker pen repeat readings can be taken and any change in crack width recorded on the crack record sheet.
  • Specification :
    • Resolution 0.02mm.
    • Measuring range 4.00mm.
    • Weight 560 grams.
    • Overall magnification x40.
    • Microscope manufactured with strong metal casing.
    • Supplied in a wooden case 150mm x 90mm x 40mm.
  • Supplied ready to use with:
    • Spare bulb for lamp to illuminate the cracked surface.
    • NAMAS Certificate of Calibration.
    • Crack record sheet.

 

Optical
Crack Width Gauge

  • The Crack Width Gauge is manufactured in polycarbonate. The co-efficient of linear thermal expansion is 7.0x10-5 cm/cm/oC for ambient temperatures between -30 Degrees C to +30 Degrees C.
  • Suitable for internal and external use.
  • Scale calibrated from end of Crack Width Gauge allows measuring of cracks in corners.
  • Supplied in a protective case.
  • Manufactured to conform to BS EN ISO 9001:2000.

 

Calipers
Digital Monitoring Essentials Kit

  • This set contains all that is needed to set up a crack monitoring system using precision calipers. Supplied in a courier bag with shoulder strap, it includes a Crack Width Gauge to measure the width of cracks prior to monitoring, a Digital Caliper, a pack of Stainless Steel Discs and Crack Record Sheets. Also included is an illustrated manual with full instructions and describes best practice methods for using the calipers. All the components can be re-ordered separately in order to replenish the kit.
  • The kit, supplied in a courier bag, contains :
    1x Digital caliper
    1x Crack Width Gauge for measuring the width of cracks prior to monitoring.
    1x Pack of 100 Stainless Steel Discs.
    1x Pack of Plastic Padding (Chemical Metal)
    Full Instructions and Crack Record Sheets

 

Calipers
Digital Monitoring Professional Kit

  • This set contains all that is needed to set up a crack monitoring system using precision calipers. Supplied in a courier bag with shoulder strap, it includes a Crack Width Gauge to measure the width of cracks prior to monitoring, a Digital Caliper with data port, a pack of Stainless Steel Discs, a pack of Avonmarks, a pair of Corner Discs and Crack Record Sheets. Also included is an illustrated manual with full instructions and describes best practice methods for using the calipers. All the components can be re-ordered separately in order to replenish the kit.
  • The kit, supplied in a courier bag, contains :
    1x Digital caliper with data port
    1x Crack Width Gauge for measuring the width of cracks prior to monitoring.
    1x Pair of Corner Discs for monitoring cracks in corners.
    1x Pack of 100 Avonmarks.
    1x Pack of 100 Stainless Steel Discs.
    1x Pack of Plastic Padding (Chemical Metal)
    Full Instructions and Crack Record Sheets

 

Calipers
Vernier Caliper Kit

  • This set contains all that is needed to set up a crack monitoring system using precision calipers. Supplied in a courier bag with shoulder strap, it includes a Crack Width Gauge to measure the width of cracks prior to monitoring, a Vernier Caliper, a pack of Stainless Steel Discs, a pack of Avonmarks, a pair of Corner Discs and Crack Record Sheets. Also included is an illustrated manual with full instructions and describes best practice methods for using the calipers. All the components can be re-ordered separately in order to replenish the kit.
  • The kit, supplied in a courier bag, contains:
    1x Vernier Caliper
    1x Crack Width Gauge for measuring the width of cracks prior to monitoring.
    1x Pair of Corner Discs for monitoring cracks in corners.
    1x Pack of 100 Avonmarks.
    1x Pack of 100 Stainless Steel Discs.
    1x Pack of Plastic Padding (Chemical Metal)
    Full Instructions and Crack Record Sheets

 

Calipers
USB Interface for Digital Calipers

  • This set contains all that is needed to set up a crack monitoring system using precision calipers. Supplied in a courier bag with shoulder strap, it includes a Crack Width Gauge to measure the width of cracks prior to monitoring, a Vernier Caliper, a pack of Stainless Steel Discs, a pack of Avonmarks, a pair of Corner Discs and Crack Record Sheets. Also included is an illustrated manual with full instructions and describes best practice methods for using the calipers. All the components can be re-ordered separately in order to replenish the kit.
  • The kit, supplied in a courier bag, contains:
    1x Vernier Caliper
    1x Crack Width Gauge for measuring the width of cracks prior to monitoring.
    1x Pair of Corner Discs for monitoring cracks in corners.
    1x Pack of 100 Avonmarks.
    1x Pack of 100 Stainless Steel Discs.
    1x Pack of Plastic Padding (Chemical Metal)
    Full Instructions and Crack Record Sheets

 

Accessories
Thermometer Kit

  • Infrared thermometer kit that contains the digital infrared thermometer together with a penetration probe and wipes. Each thermometer kit is supplied in a useful carrying case with a tub of 40 anti-bacterial wipes.
  • The infra-red thermometer is compact, gun-shaped, lightweight and easy to use. Simply aim, press the button and display the temperature of the item being measured. The LCD display gives a digital read-out of temperature over the range of -60 to 500°C. The infra-red thermometer features a laser dot alignment for ease of use.
  • The thermometer features a four-button keypad, allowing the user to select °C/°F and max/min. Additionally, the difference between the maximum and minimum temperature and the average temperature can be displayed.

 

Accessories
Stainless Steel Discs (Pk 100)

  • The Stainless Steel Discs can be fixed with Plastic Padding® about 80 to 100mm either side of the crack to be monitored. (Pack of 100)
  • Supplied in a convenient tin for easy dispensing on site.

 

Accessories
Corner Discs

  • For monitoring with calipers on corners. Supplied with two Stainless Steel Discs. Fix with screws and/or Plastic Padding®. (Pack of 2)

 

Accessories
Fixing Screws

  • For fixing all Avongard Tell-Tale products and Avongard Corner Discs. This pack of four zinc plated screws and four plastic plugs is suitable for fixing one Tell-Tale or a pair of Corner Discs. For a Corner Tell-Tale, two packs are required. To increase vandal resistance, use in combination with Plastic Padding®. (Pack of 4)

 

Accessories
Data Collection Kit for Digital Calipers

  • For use with our Professional Calipers and Caliper kits, the data collection kit plugs into the data output port on the caliper and the USB port on a laptop or tablet computer. When the Data button is pressed, the reading from the caliper is sent directly into the selected field or cell on the computer.
  • The kit consists of a connecting cable and USB interface. When used with Excel or a Database the measurements can then be collected in sequence without having to type the readings in.
  • The interface emulates a keyboard and sends the reading followed by a return to move focus to the next field. Suitable for use with Windows 7, Vista, XP, 2000 and Pocket PC

 
 
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