Execution:

• Standard version with two prismatic measuring bases bottom horizontal and left hand vertical, and two flat measuring bases top horizontal and right hand vertical, according to Standards DIN877 + DIN2276/1
• Main scale
  
  • Version 343: 2 x 180 degrees / 1 division = 1 degree
  • Version A343: 2 x 3200 artillery permils / 1 division = 10 A‰
• Vernier for fine adjustment
  
  • Version 343: 1 division = 3 arcmin
  • Version A343: 1 division = 1 A‰
• Vial sensitivity:
  
  • Version 343: 0.30 mm/m, corresponding to 1 arcmin
  • Version A343: 1 mm/m, corresponding to approx. 1 A‰
• Reading on vernier: 3 arcmin, respectively 1 A‰
• Transversal vial with a sensitivity of 2-5 mm/m for easier handling of the level when measuring on horizontal shafts or in the vertical
• The prismatic bases are suitable for shaft diameters Ø 19 … Ø 108mm
• Packed in a wooden storage case

Function:

• The FRAME ANGLE SPIRIT LEVEL 79 is suitable for precise measurements on flat surfaces and shafts. Measuring range ±180 degrees
• Due to the easy fine adjusting system of any angle in the range of ±180 degrees the main vial can easily be read. The vernier allows a reading at 3 arcmin. The main vial has (in the standard version) a sensitivity of 0.30 mm/m, indicating a deviation of 1 arcmin when the bubble moves by one division. The main vial is placed in a well protected but nevertheless easily readable position
• Optionally the FRAME ANGLE SPIRIT LEVEL 79 is available with reading in artillery permils

Dimensions:

• Length 150 mm
• Height 150 mm
• Width 40 mm

Weight:

• Net weight (without case) 2.200 kg
• Gross weight 2.650 kg

Sensitivity: 0.30 mm/m for standard version 1.0 mm/m for reading in A-‰

Twist stability according to WYLER standard:

• Rollover stability ±2 degrees