F420-3T Desktop Calibration Station

The F420-3T desktop style collimator features 3 tubes with an aperture of 57mm.
• Resolution: 3″
• Angle of field of view: 10°20
• Accuracy(Reticle’s division value): 30
• The shortest target of the level tube: 2m
• Tubes position: Horizontal(0°,20°),elevation(30°) and depression (30°)
• Round level(On the foundation of the front column): 8/2mm,
• Power supply for tube: 4.5~6V,2.1W
• Switch power: 1~10A
• Lighting source: cold light (with adjustable intensity), green
• Shipment package: 3 wooden cases, 140kgs
SKU: F420-3T Category:


Shipping: 1-2 weeks*. Check our Frequently Asked Questions page for more information.

Return: 14 days money back  from the date of purchase. Buyer pays return shipping. 15% restocking fee may apply. For details to request a Return Goods Authorization (RGA), please visit the Terms and Conditions page.

Warranty: Omni Survey offers a limited warranty against manufacturers defects of up to 2 years depending on the product. Please visit our Terms and Conditions section.

*Shipping times are an estimate and cannot be guaranteed. More accurate expected shipping times and delivery details are provided when an order is placed.

Additional information

Tube length


Tube focus


Tube Aperture





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