QUALITY CONTROL

U VALUE METER FOR LOW-E INSULATED GLASS UNITS

The calculation method of heat transfer coefficient U value (or K value) is based on the following standards: ISO 10292, EN673, JGJ/T 151, ISO 15099, NFRC 100.

 

This instrument is used to directly measure the U value (or K value), Low-E position and structural parameters of double or triple glazing units. It is portable, simple and measures fast. It is especially suitable for on-site measurement of existing building glass, doors and windows. A separate software is provided for the addition of insulating glass concentration to the equation.

 

FUNCTIONS

Non-destructive measurement of the U value

  • Identifies the Low-E position
  • Measures the thickness of double or triple glazing units

 

CHARACTERISTICS

  • Measures the U value of double or triple glazing units. Argon content must be added manually.
  • Suitable for on-site measurement
  • It can accurately measure the thickness of triple glazing units, and identify the Low-E position
  • Portable instrument, rechargeable built-in lithium battery

 

TECHNICAL PARAMETERS

  • Dimensions   240x135x50mm
  • Measurable side  glass side or low E side
  • Maximum thickness  50mm

 

Accuracy

  • Thickness
        • ±0.05mm, total thickness ≤10mm
        • ±0.1mm, 10mm<total thickness ≤20mm
        • ±0.2mm, 20mm<total thickness ≤40mm
        • ±0.03mm, total thickness >40mm
  • U-Value
        • ±0.1 (K≤2.0)
        • ±0.2 (K≥2.0)

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