Introduction
PFM 5001 has been designed to create hydraulic bal-
ance in heating and cooling systems. It enables mea-
suring of pressure, flow and temperatures in a system.
Using differences in pressure, PFM 5001 is capable of
turning these two pressures on both sides of a valve
into flow. Flow through individual branches of the sys-
tem can be measured, creating perfect balance in the
whole system.
PFM 5001 has a number of key features, that makes it
easy to use.
Complete set of PFM 5001 consists of:
two separate measuring units - measuring unit for
measuring pressure, flow and temperature
computing unit for displaying results and data
analysis
convertor
routers, max. 3 pcs – optional accessories
The main pressure unit is extremely robust, with a
sturdy frame. Inside the measuring unit is a hydraulic
part with an integrated true differential pressure
sensor for accurate digital data processing.
The flow meter automatically corrects the flow for dif-
ferent types of mediums being measured, such as an-
tifreeze liquids in cooling systems.
PFM 5001 can calculate complicated multi-branch
heating systems by simulating the hydraulic system
with balancing calculations based on two measuring in
each branch.
During balancing calculations, the PFM 5001 utilises a
sophisticated method for calculating hydraulic resis-
tances within the system. As a result, the PFM 5001
comes up with a proposal for the lowest energy loss.
This function dramatically decreases the time required
for balancing.
PFM 5001 has the advantage of high class digital tech-
nology, which enables to compensate for inaccuracies,
normally associated with pressure measurements,
such as temperature dependency and non-linearity. In
order to increase the accuracy of low pressure mea-
suring and to enable deaeration of the pressure hoses,
the main pressure unit is designed with incoming by-
pass for hydraulic zero setting.
6 HEC
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