3 Options
4.3.1 Heating Modules
These prevent the formation of condensate due to the heat of the orifice measuring pipe and are available for up to orifice measuring pipe no. 3 (600 l min). They each consist of the
– heater lower part with permanently fitted connection cables (0.4 m long) for the temperature sensor and mains power supply
– Lid for clamping the heater base to the orifice measuring pipe
– Mains cable
The equipment is heated by PTC heating elements, monitored by NTC temperature sensors. The heating elements are encased in insulation foam in a rustproof housing and therefore electrically and heat-insulated (protection type IP66).
Temperature sensor
Mains
Fig. 4-9
Lid
Lower part
4.3.2 Pressure Transducer
For measuring any pressures, such as crankcase pressure, intake manifold pressure ; consists of a pressure transducer which has to be additionally mounted on the pcb, the necessary hoses and bulkhead gland.
4.4 Function Tester
This piece of equipment is used to quickly check the functionality of the entire electronics. the tester cannot be used to test accuracy or for calibration!
For detailed description, see "442.PR Operating Manual".
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