La description

Hour meter without zeroing.The HB 27 hour meters without reset record time ranges up to max. 999999.9 h or 99999.99 h. As installation meters, they can be used in various application areas.
Mechanical
Modelelectromechanical
FunctionHour meters / timers
Dimension 150 x 25 mm53 x 28 mm | 50 x 25 mm56 x 40 mm | 50 x 25 mm
Protection levelIP51
Working temperature-15 °C ... +50 °C
Weight45 g
(1) Installation | Front panel
Electrical
Supply voltage20...30 V AC42...48 V AC187...264 V AC360...440 V AC10...30 V DC36...80 V DC100...130 V DC
Properties
  • 7-digit hour meter without reset
  • High shock and impact resistance
  • Large optical digits, 4.5 mm high
  • Retains value in the event of power failure
  • Long service life
  • Pluggable versions
  • Counter without front bezel can be plugged into front bezel F1B and F2B and combined in 50 x 25 mm grid with 945.2 socket
Benefits
  • Can be combined with preset counters BVa and HVa as well as with pulse counter B
  • Expandable with various front caps to protect the meter against dust, dirt and moisture
  • Manipulation-safe
ApplicationsGeneral time measurement, maintenance intervals for measuring devices (ventilation, oxygen, dialysis), small devices, UV lamps, display panels in vehicles''