moorLDI2-HR

Specifications

Moor Instruments are committed to product development. We reserve the right to change the specifications below without notice.

The moorLDI2 is a class IIa device under EC directive 9342EEC 14 June 1993 Medical Device Directive.

LASER SOURCE

Infra-Red Laser Diode: 830nm ± 5nm, 2.25mW ± 0.5mW
Beam diameter (1/e2 points) at 25cm from scanner window 0.1mm ± 0.1mm
Beam divergence is 1.4 ± 0.2milliradians
Ocular Hazard Distance 20m.
All measurements include cumulative measurement uncertainties and expected increases after manufacture.
Class 3R per IEC 60825-1:2001 and complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated July 26, 2001.

Visible Laser Diode (target beam for infrared systems): 660nm ± 10nm, 100 to 200 µW.
Beam diameter (1/e2 points) at 50cm from scanner window 1.2mm ± 0.2mm
Beam divergence is 1.4 ± 0.2milliradians
All measurements include cumulative measurement uncertainties and expected increases after manufacture
Class 1 per IEC 60825-1:2001 and complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated July 26, 2001.

PROTECTIVE EYEWEAR REQUIREMENTS

The nominal ocular hazard distance is 20 metres.

Operation at single wavelength infrared 830nm: wavelength range 755nm to 850nm, OD = 1.5.

ENVIRONMENT CONDITIONS

Temperature: 15°C to 30°C
Humidity: 45% to 75%
Atmospheric pressure: within the range 86,0 kPa to 106,0 kPa (645mmHg to 795mmHg).

Flammable Anaesthetics: the system must not be operated in the presence of flammable anaesthetics.

BANDWIDTH

Scan rate dependent: low frequency cut-off (3db) 20Hz, 100Hz or 250Hz.
Selectable upper cut-off frequency (0.1db) 3KHz, 15KHz or 22.5KHz. Default Bandwidth in Bold.

RANGE AND SCAN AREA

At 20cm distance, Normal Area = 2.5cm x 2.5cm; Large Area = 5cm x 5cm
At 30cm distance , Normal Area = 3.4cm x 3.4cm; Large Area = 6.8cm x 6.8cm

SCAN SPEED

Scan speed is approximately 4ms/pixel, 10ms/pixel or 50ms/pixel (at maximum resolution). Scan duration is typically 40 seconds for a 12.5cm x 12.5cm image at 64 x 64 pixel resolution, about 6 minutes for a 50cm x 50cm image at 256 x 256 pixel resolution at 4ms/pixel and 100cm distance.

SPATIAL RESOLUTION

High Resolution Instrument

Up to 256 x 256 pixels (actual measurements not by interpolation): 0.1mm/pixel at 20cm for the ’normal’ size scan.

LIGHTING CONDITION

Normal, ambient room lighting.

MEASUREMENTS

FLUX Accuracy: ± 10% relative to Moor Instruments moorLDI2 standard'
Precision: ± 3% of measurement value
Range: 0-5000PU

CONC Accuracy: ± 10%
Precision: ± 5% of measurement value
Range: 0-5000AU

DC Accuracy: ± 10%
Precision: ± 3%
Range: 0-5000AU

CCD CAMERA

Auto Focus, Motorised 10X zoom. 752 X 582 Pixel Resolution.

SOFTWARE

Windows based control, processing and analysis.

COMPUTER REQUIREMENTS

Only computers complying with IEC 950 may be used.

The minimum recommended PC requirements for running the moorLDI software are:

200MHz processor; 128MB RAM; 10GB HDD, 1.44MB FDD; CD ROM; mouse; keyboard; RS232; 800 x 600 display.
Analogue Camera Model: A half length PCI card slot is required for the CCD video camera frame grabber board.
Firewire Camera Model: A half length PCI card slot or a PCMCIA slot is required for the CCD video camera Firewire interface card.

* If the PC does not have an RS232 port an RS232 to USB converter is needed, as the serial output from the moorLDI control unit is via RS232. A suitable converter can be supplied by Moor Instruments or can be purchased direct from the manufacturer at www.mct.com.tw/ (part no. U232-P9).

Operating system - Windows 2000 and XP or higher.

ELECTRICAL SAFETY CLASSIFICATION

Type of protection against electric shock - Class I.
Degree of protection against electric shock - Type B.
Degree of protection against ingress of liquid - IPXO (not protected).
Degree of protection against flammable anaesthetics - equipment not suitable for use in the presence of a flammable anaesthetic mixture with air or with oxygen or nitrous oxide.
Mode of operation - continuous.

GENERAL

Universal voltage switch mode power supply.
Range 84 to 264V AC 50VA, 50 to 60Hz.
Control Unit: Dimensions W H D mm 305 x 115 x 260: Weight 4.5kgs.
Scan Head: Dimensions W H D mm 426 x 244 x 300: Weight 8kgs.
Operating temperature: 15-30°C.

STORAGE AND TRANSPORTATION CONDITIONS

Temperature: 0-45°C.
Humidity: 0-80% RH.
Atmospheric Pressure: 500 hPa - 1060hPa.