![Oil Meter HZ3](https://braunmesstechnik.de/wp-content/uploads/2019/11/hz3-1.jpg)
Oil Meter HZ 3 Mounting Instructions
The oil meter may only be used to measure the consumption of EL heating oil.
![Oil meter HZ 5 R / HZ 6 R assembly instructions](https://braunmesstechnik.de/wp-content/uploads/2019/12/hz5r-hz6r-montage1.png)
Oil Meter HZ 5 R / HZ 6 R Mounting Instructions
The oil meter may only be used to measure the consumption of heating oil L and EL or diesel fuel.
![Oil Meter HZ 5 / HZ 6 and HZ 5 DR / HZ 6 DR Mounting Instructions](https://braunmesstechnik.de/wp-content/uploads/2019/12/HZ5-HZ6-HZ5DR-HZ6DR-HZ5D-HZ6D-768x492.png)
Oil Meter HZ 5 / 6 & HZ 5/6 DR Mounting Instructions
The oil meter may only be used to measure the consumption of heating oil L and EL or diesel fuel.