Sound signalling devices for household and similar purposes best-seller Why should you use PAS

Why should you use PAS 1008 - Flexitank

which could give you useful indications on the soluble substrate concentration and on the presence of other substances lighter than water

central control unit

explanations and recommendations

Sound signalling devices for household and similar purposes best-seller Why should you use PAS1 Scope This International Standard applies to sound signalling devices with integral enclosures or to sound signalling devices intended to be fitted into or supplied with enclosures according to IEC 60670 intended for household and similar purposes with rated voltages not exceeding 250 V a. c. or 250 V d. c. and with rated power inputs not exceeding 100 VA. In these sound signalling devices an indicating light having a rated input power not exceeding