hat
Modil DF168N la fonksyone avèk yon sik tès mikrospektè Self-Test ki fè yon tès komisyonasyon enstalasyon, yon tès fonksyonèl chak mwa ak yon tès anyèl plen twa dire tan an akò avèk BS 5266.
eng
The DF168N module is fitting with a microprocessor Self-Test circuit which performs an installation commissioning test, a monthly functional test and an annual full three hour duration test in accordance with BS 5266.