Besides the general purpose products,
special versions meet the most demanding requirements:
COTRA's special versions meet the most demanding requirements:
For operating in extended temperature ranges and high Degree of humidity, e.g. -25 to + 60°C, humidity deg. 95% to 35°C.
H2S - PROOF VERSION
For installation of panel-mounting
instruments in very hostile environments with corrosive gas like H2S (sulphuric
hydrogen) up to 10 ppm. Typical applications include geothermal plants,
sewerage treatments, Soda chemical plants. etc.
Sometimes the line-to-ground voltages in some application may exceed the standard operating conditions.
To avoid faults and damages, COTRA's equipment's insulation can be optionally improved at higher level:
- Transformers and analog meters:
The electronic kWh meters of type
C96 - C144 - CSPE allow the sealing of the terminals.
products to be operated on board of ships, oil drilling platforms etc.