Leutert engine indicators are used on diesel engines, gas engines, air compressors, pumps, etc. 

A  metal stylus  draws  a  clear  pressure-path diagram which records the pressure curve within the engine cylinders  as  influenced by the piston stroke. The  recording drum  can  be  moved  by  means  of  a  string,  which  is pulled manually or by the engine. If the drum is driven by the engine, the diagram may be planimetered.

Our indicators are designed to cover various ranges of

speed and rates of pressure-change.

It  will  always  be  advisable  to  operate  with  small diagrams  as  far  as  possible,  in  consideration  of  the oscillating masses. In doubtful cases it is suggested to forward  particulars  of  the  operating  conditions,  and on orders to give particulars regarding kind of engine, pressures to be measured, engine stroke and r.p.m.

The  selection  of  the  correct  indicator  size  depends not only on the r.p.m but also on the rate of pressure rise at time unit dp/dt. If the above stated limit values are exceeded, the resulting acceleration would cause too high an indication of pressure. Size of piston and spring  are  selected  such  that  the  maximum  natural frequency is attained. With regard to the accelerations, for   best   results   the   diagram   length   should   be progressively  reduced  as  the  r.p.m.  approaches  the designed maximum of the indicator.

 

•    Individually  calibrated  high  accuracy  heat  treated

springs

•    Unchanged,  rugged  and  proven  reliable  Maihak

design

•    Easy and simple operation by unskilled operator

•    Cheapest way to analyze your engine

•    Ready-to-use equipment

 

Measuring range    :  see spring table below

Engine range          :  up to n = 300 rpm or

     max. dp/dt = 9 x 10³ bar/sec

Max. diagram         :  50 mm/80 mm (height/length)

Drum diameter       :  50 mm

Paper size  :  180 mm x 65 mm

Dimensions  :  165 mm x 130 mm x 90 mm

Weight  :  1.5 kg (without wooden box)

     4.4 kg (with wooden box)

Standard connection  :  W 27 x 1/10”

 

1 wooden box, 1 spring, 1 measuring scale, 1 block

indicator paper each 40 sheets, 1 cord tightening

hook, 1 oil can for piston and links, 1 screw driver,

1 flat plier, 1 hollow spanner, 1 cylinder cleaner,

1 stand for instrument, 1 bundle indicator cord,

1 tube incl. 5 recording pencils, 1 vacuum washer,

1 operating instructions

 

Leutert engine indicators are used on diesel engines, gas engines, air compressors, pumps, etc. 

A  metal stylus  draws  a  clear  pressure-path diagram which records the pressure curve within the engine cylinders  as  influenced by the piston stroke. The  recording drum  can  be  moved  by  means  of  a  string,  which  is pulled manually or by the engine. If the drum is driven by the engine, the diagram may be planimetered.

Our indicators are designed to cover various ranges of

speed and rates of pressure-change.

It  will  always  be  advisable  to  operate  with  small diagrams  as  far  as  possible,  in  consideration  of  the oscillating masses. In doubtful cases it is suggested to forward  particulars  of  the  operating  conditions,  and on orders to give particulars regarding kind of engine, pressures to be measured, engine stroke and r.p.m.

The  selection  of  the  correct  indicator  size  depends not only on the r.p.m but also on the rate of pressure rise at time unit dp/dt. If the above stated limit values are exceeded, the resulting acceleration would cause too high an indication of pressure. Size of piston and spring  are  selected  such  that  the  maximum  natural frequency is attained. With regard to the accelerations, for   best   results   the   diagram   length   should   be progressively  reduced  as  the  r.p.m.  approaches  the designed maximum of the indicator.

 

•    Individually  calibrated  high  accuracy  heat  treated

springs

•    Unchanged,  rugged  and  proven  reliable  Maihak

design

•    Easy and simple operation by unskilled operator

•    Cheapest way to analyze your engine

•    Ready-to-use equipment

 

Measuring range    :  see spring table below

Engine range          :  up to n = 300 rpm or

     max. dp/dt = 9 x 10³ bar/sec

Max. diagram         :  50 mm/80 mm (height/length)

Drum diameter       :  50 mm

Paper size  :  180 mm x 65 mm

Dimensions  :  165 mm x 130 mm x 90 mm

Weight  :  1.5 kg (without wooden box)

     4.4 kg (with wooden box)

Standard connection  :  W 27 x 1/10”

 

1 wooden box, 1 spring, 1 measuring scale, 1 block

indicator paper each 40 sheets, 1 cord tightening

hook, 1 oil can for piston and links, 1 screw driver,

1 flat plier, 1 hollow spanner, 1 cylinder cleaner,

1 stand for instrument, 1 bundle indicator cord,

1 tube incl. 5 recording pencils, 1 vacuum washer,

1 operating instructions