Metriguard Technologies

- Model 2805 DME - Revolutionary Testers

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These revolutionary veneer testers allow you to measure density, moisture content, and modulus of elasticity (E) simultaneously, in every sheet of veneer, with unsurpassed accuracy and speed.

  • Determines modulus of elasticity (E), specific gravity, density, average and peak moisture content, plus sheet thickness (optional)
  • Compensates for veneer temperature and moisture content
  • Detects veneer sheet width
  • Includes system diagnostics with alarm system for common faults
  • Features RF microwave technology
  • Increases your profits with greater yield from the same material resource
  • Frame splits in half for easy installation around existing conveyor flights
  • Speeds up to 600 to ft/min

The Models 2805 DME grade veneer for structural applications. Ultrasonic, infrared, and radio frequency technologies collect and process data for each veneer sheet. Measured values for moisture content, temperature, Ultrasonic Propagation Time (UPT), width, and specific gravity are combined to characterize and sort veneer to mill standards. Software algorithms process signals from the ultrasonic transducer wheels. Ultrasonic Propagation Time (UPT) is derived from this signal path. The electronics system also generates signals for the radio frequency resonator cavity pairs. Five resonator pairs are standard, but up to six pairs can be mounted in the veneer tester, depending on the customer’s conveyor belt arrangement.

A shaft encoder measures veneer width and line speed, while temperature is measured by a highspeed infrared thermometer. Average UPT, compensated for temperature, and signal responses from the resonator cavities are analyzed to determine the specific gravity, density, and moisture content. All of these properties’ values are displayed immediately on the monitor. Veneer grade determined from various programmed combinations of the measured properties. The grade is marked on each sheet by spray nozzles for up to eight grades. An RS232 serial port and remote monitor port are provided to aid your quality control staff. Models 2655 DFX and 2700 VITKA can be upgraded to a Model 2805 DME.

Thickness Sensor

Measures average veneer sheet thickness. Auto-zero. 265-OPT-1004 (with new order) or 265-OPT-1003 (field retrofit)

Current Loop Output

Four each 4–20 mA outputs. Four or fewer of the following values can be set in the configuration file to be output: Specific gravity, UPT, E, average and/or maximum moisture, width, thickness (if so equipped), or grade. 270-OPT-1001

Stand-alone Electronics Mount

Independent support of the electronics cabinet to mitigate vibration interference. 265-KIT-1160

Ink Nozzle Assembly

Nozzle, solenoid valve, cable, mount and fittings. 260-ASM-1001

Short Frame

For maximum veneer lengths of 82.7 in (2100 mm). Requires four cavity pairs. 280-BAS-1002

Moveable Transducer Wheels

Allows different lengths of veneer to be run. Requires additional backup wheel for each alternative wheel location. 260-OPT-1004

Ink Supply Tank

3-gallon air-pressurized with regulator, gauge, and fittings required for each ink color. PNE-FIT-1021

Mechanical Drive

Set up to drive machine from conveyor belt. 260-KIT-1001

CE Mark

Machine produced in conformance with CE requirements. Includes Manufacturer’s Declaration of Conformance. 280-OPT-1001

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