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Features (NAU-04 & NAU-04-IN):
- Solid CNC machined aluminum alloy with flat black anodized finish
- Case is bayonet mounted to the base providing a remarkably easy method for
- removal or for storage
- Glass lens in double O-ring seal for vibration, impact and thermal expansion protection
- Water-resistant, spray and splash proof
- Unique polycarbonate moveable multi-purpose markers
- Easy to read, fluid dampened inclinometer with brightly colored background
- (Model NAU-04-IN)
- Unique hydrophobic filter that allows air pressure to penetrate yet resists water
- Patented “Hi-Sensitive” all metal aneroid movement with expanded scale
- Needle noticeably moves as weather conditions change
- Dial diameter: 3.75"
- Weight: 2.5 lbs.
- Five year manufacturer’s warranty
- U.S Design Patent # USD459,256 S
- Other patents pending