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PD Meter | TR-331

Name: PD Meter | TR-331
Brand: Terui International Group Co.,Limited
SKU: TR-331
Availability: InStock

Basic Information

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Product Description

·Cornea reflection light coincidence method

PARAMETERS

Measurement Method	Cornea reflection light coincidence method
Range of data display	Binocular pupillary distance: 44-83mm
Range of data display	Left or right pupillary distance: 22-41.5mm
Effective range of measurement	Binocular pupillary distance: 45-82mm
Effective range of measurement	Left or right pupillary distance: 22.5-41mm
Indication error	≤0.5mm
Rounding error	≤0.5mm
The scope of the focus point	30cm﹣∞
Power source	Voltage: DC 3V, Specification: AA battery, Quantity: 2 Or 4 pieces
Time for automatic shut-off	1 minute after stopping operation
Dimensions	214mm(L)×150mm(W)×51mm(H)
Weight	0.6kg