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Northwest Instrument Index

NBL Series Automatic Level

Northwest Instrument NBL Series
Automatic Level

Northwest Instrument
NBL Automatic Level

Northwest Instrument NBL Series Auto Level
10320	NBL20 20x Builders Automatic Level	$154.75
11020	NBLP20 20x Automatic Level Package	$216.00
10324	NBL24 24x Builders Automatic Level	$164.00
11024	NBLP24 24x Automatic Level Package	$223.75
10332	NBL32 32x Builders Automatic Level	$209.50
11032	NBLP32 32x Automatic Level Package	$269.25

For Builders who demand quality, value and excellent results, NBL series are your choice. They feature robust structure for long-term reliability. Superior air-dampened compensator ensures a remarkable accuracy for all your leveling applications.

Northwest Instrument NBL Series Features

• Steel caged compensator with wide working range
• Continuous tangent drive for convenient operations
• Multi-Layer coated lens provides sharper readings
• Reflective prism for easy bubble viewing and setting
• Robust structure for dust and water resistance

Northwest Instrument NRL800 Self Leveling Rotating Laser

Northwest Instrument
NAT83 Tripod

Specifications for NBL Series Auto Level
Technical Data	20X	24X	32X
Telescope
Image	erect	erect	erect
Magnification	20X	24X	32X
Objective aperture	34mm	34mm	39mm
Field of view	1° 20'	1° 20'	1° 20'
Minimum focus	0.5m	0.5m	0.7m
Multiplication constant	100	100	100
Additive constant	0	0	0
Compensator
Working range	± 15'	± 15'	± 15'
Setting accuracy	± 0.8"	± 0.8"	± 0.3"
Sensitivity of bubble	8'/2mm	8'/2mm	8'/2mm
Horiz. circle reading	± 1 or lgon	± 1 or lgon	± 1 or lgon
Standard deviation for
1km double run leveling	2.5mm	2.0mm	1.0mm
Instrument weight	1.85kg	1.85kg	1.85kg

Accessories for Northwest Instrument NBL
70021	NAR09E 9 Ft. Aluminum Rod, 8ths, 3 section telescopic	$28.50
80083	NAT83 Contractors Tripod, Flat Head, Quick Clamp, 38 In./62 In., 5/8 x 11 thread	$46.50

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Northwest Instrument NBL Series Automatic Level

Northwest Instrument NBL Series Features

Northwest Instrument NBL Series
Automatic Level