Combination Hour Meter & Totalizer HC77 Features • Dual 7 digit display w/characters magnified to .157" (4mm) • Low Cost • Isolation protection to VDEO435. • AC or DC Voltages Description: This combination meter comprises a running time totalizer and an adding counter with a separate 7 digit display for each. In the standard version, the two meters are connected in parallel; the totalizer counts the number of pulses while the time meter totalizes the connect time. The time meter displays to hundredths of an hour (36 second intervals). A red visual indicator shows that the unit is operating. The unit is supplied with a clamp clip attachment for mounting and 2.16" x 2.16" (55mm) and 2.16" x 2.16" (72 x 72 mm) bezels are available as accessories. On AC models, the main supply (50 or 60 Hz) is used as the frequency standard. On DC models, the frequency is quartz crystal controlled. Applications: ☛ Heating and utility system monitoring ☛ Machine run time monitoring and maintenance ☛ Refrigeration systems ☛ Water treatment equipment ☛ Compressors ☛ Industrial washing equipment Specifications: Termination: Flat tabs .031 x .250" with screw terminal Voltages: 24, 110, 220 VAC +15%, 50 Hz or 60 Hz 12 to 24, 36 to 80, 110 VDC ± 10 % Power Consumption: Appr. 2.5 VA at 220 VAC; Appr. 220 mW at 12 VDC Ambient temperature: -15° to +50°C on AC; -20° to +60°C on DC Environmental Protection: IP42, DIN 40 050 from front Hour range: AC Units: 99999.99 hours DC Units: 999999.99 hours Count range: 9999999 counts Display: Dual display with characters magnified to 0.157" (4mm) high. Color of Figures: White on black for hours, red on white for decimal hours White on black for totalizing counter. Color of Housing: Black Operation indicator: Fast rotating, red Weight: 2.3 Oz. (65g) Approvals: CE Approved, UL Listed; File# E128604 Series HC77 = Panel Mount HC77.55 = Extended 2.16" x 2.16" Bezel for 2" diameter cutout HC77.72 = Extended 2.83" x 2.83" Bezel for 2" diameter cutout Voltages 12VDC (12 to 24 VDC) 36VDC (36 to 80 VDC) 110VDC (110 VDC ± 15%) 24V (AC Voltages ±10%) 110V (AC Voltages ±10%) 220V (AC Voltages ±10%) Frequency (AC units only) 50 or 60Hz (Specify) Options: SC = Separate Connections