Storage Battery SBS H2 Hydrogen Gas Detector H2, 0 Channels, 120 V AC 12 to 48 V DC 220 Vac 6230015132663 Wall Sign Header Text Color Wall Sign Header Text Color White Includes Mounting Hardware No Corrosion Resistant No Minimum Service Temperature 40 Degrees F Chemical Resistant Yes Adhesive Style Permanent ANSI 969 Compliant No Sign Header Danger Number of Printed Sides 1 Sign Header Background Color Black Kit Contents (1) Bare Tool Hydrogen Gas Detector Gas Type H2 Number of Channels 0 Sensor Range 1 Percent and 2 Percent 25 Percent and 50 Percent LEL Alarm Type Audible and Visual Display LED Status Indicator Yes Features On Board Relays At 1 Percent and 2 Percent Hydrogen Concentration Dry Contacts Can Be Monitored By Scada Modbus Etc NEMA Rating Type 1 IP Rating IP10 Connection Plugs Terminals For Use With Stand Alone Building Automation Systems Fire Alarm Panels Burglary Alarm Panels Fire Alarm Panels Gas Detected Hydrogen Sensor Range 1% and 2% 25% and 50% LEL Operating Temp