Accessories 
NRB503- Rechargeable Battery Pack
NBC503- Battery Charger 
NBP503- Alkaline Battery Pack 
NDE503- Diagonal Eyepiece 
NSF503- Solar Filter 

NETH503 is a digital Theodolite capable of precisely measuring angles in horizontal and vertical planes. It integrates the same advanced glass encoder from our total stations.

It offers 5” angular accuracy, dual back-lit LCD screens for easy readouts, and a full array of parameter settings for versatile usage.

Specifications

Telescope

• Magnification:30x, Stadia ratio 1:100
• Effective Aperture:45 mm
• Resolving Power:4”
• Field of View:1º20’
• Minimum Focus:3ft
• Angle Measurement
• Measuring Method: Photoelectric Incremental Encoder
• Minimum Reading:5”
• Measuring Unit:360º
• Accuracy:5”
• Sensitivity of Vial
• Plate Vial:30’ / 2mm
• Circular Vial:8’ / 2mm
• Optical Plummet
• Magnification:3x
• Field of View:5º
• Instrument
• Display: Double sided LCD
• Operating Time:40 working hours
• Power: Rechargeable / Alkaline batteries
• Weight:10 lbs.