Gestra
Gestra NRG16-4
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Description
The level electrode NRG 16-4 in conjunction with level switch NRS 1-.. is designed to signal a water level limit and used in steam boiler plants and (pressurized) hot-water installations or in condensate and feedwater tanks, e. g. as water level limiter with MIN/MAX alarm. The level electrode can be used in combination with the following level switches: NRS 1-52, NRS 1-53, NRS 1-54 and NRS 1-55 or NRS 1-1, NRS 1-2, NRS 1-3 and NRS 1-5.
Function
The electrode operation is based on the conductive measuring principle using the electrical conductivity of the water
for signalling water level. The length of the electrode rod
determines the switchpoint for the water level limit.
The level electrode is installed inside steam boilers, vessels or
in an external level pot. If the electrode is installed inside the
boiler or vessel, a protection tube provided on side ensures
correct functioning.
The level electrode can be installed together with one GESTRA
level electrode for water level limiting or for high-level alarm
in a single protection tube or external level pot.
