22
Engineering notes
Parameterizing ancillary devices.
Some ancillary devices require programming of pulse values.
The maximum frequency is calculated with the following formula:
𝑚𝑎𝑥. 𝑓𝑙𝑜𝑤 𝑟𝑎𝑡𝑒 𝑖𝑛 𝑙𝑖𝑡𝑒𝑟𝑠/ℎ𝑜𝑢𝑟
𝑝𝑢𝑙𝑠𝑒 𝑣𝑎𝑙𝑢𝑒 𝑖𝑛 𝑙𝑖𝑡𝑒𝑟𝑠 𝑥 3600
= 𝑓𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑦 𝑖𝑛 𝐻𝑧 ≤ 200𝐻𝑧
Examples:
140 𝑙/ℎ
0.01 𝑙/𝑝 𝑥 3600
= 3.88 𝐻𝑧
400 𝑙/ℎ
0.05 𝑙/𝑝 𝑥 3600
= 2.22 𝐻𝑧
7
Maintenance and Repair
7.1
Calibration
All our flow meters are calibrated in the factory.
An accuracy check and recalibration is offered at Aquametro Oil & Marine AG, this is usually de-
pendent on customer, operator or regulation requirements. This interval depends largly on the
operating conditions, process liquid and the application the flow meter is installed in.
7.2
Service maintenance
WARNING
The device/system may be under pressure.
Risk of severe injury!
•
Carry out work only on non-pressurized systems.
•
When working on the device/system watch out for leaking medium.
•
Work may only be performed by authorized specialists in
accordance with the applicable regulations.
•
Use appropriate protective equipment, particularly safety goggles
7.3
Spare parts
No spares available at this time
