product features
- Heavy duty cast aluminium construction
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IP68 nitrogen purged completely waterproof (laser can handle being submersed)
- Large grade range (-15% to +40%)
- Compact & lightweight, only 2.1kg including battery
- Will fit inside a 125mm diameter pipe
- Grade matching mode (manhole to manhole alignment using the remote control)
- Vertical LED alignment reference
- Clear, bright easy to read graphical LCD
- Remote control line alignment
- Long battery life, up to 40 hours from the Lithium Ion rechargeable battery
- Self levelling in both cross and main axis
- Easy and simple operation
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Arrow4 specifications
- Accuracy: +/-10 arc seconds (+/-4.8mm at 100 metres)
- Beam Type: Red laser diode, 635nm Class 3R
- Beam Power: 5mW, maximum output
- Grade Range Capability: -10 to +40%
- Self Levelling Range: -15 to +45%
- Minimum Grade Setting: 0.001%
- Water & Dust Protection: Waterproof to IP68 (submersible & dustproof)
- Operating Temperature: -20 deg C to +50 deg C
- Weight: 2.1kg
- Battery Power: Lithium Ion rechargeable
- Battery Life: 40 hours
- Battery Charging Time: 5 hours
- Warranty: 2 Years
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