You may drive a maximum of 3 GTS gefran solid state relays - this may differ for other SSR brands.
testo 350
Gefran 600 controller
electric heat tracing
Gefran indicators
technical services
series resistance cables
parallel trace heating
emissons
heat tracing
FAQs
maintenance
electrical heat tracing
testo thermal imager
compliance testing
trace heating
displacement transducer
flue gas
fluegas analysis
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