Maxi-TronicHB21 Bearing Sensors - Maxi-Tronic

HB21 Bearing Sensors

Maxi-Tronic has the industry leading controls, sensors, service and experience to provide complete hazard monitoring and control systems for your facility. Maxi-Tronic belt misalignment sensors are ideal for bucket elevators, belt conveyors, rotary drums, food processing and other material handling equipment.

HB21 FP21

Maxi-Tronic “Hot Bearing” HB21 Sensors in Action

  • Easy-to-adjust length for any size bearing.
  • HB21 Series Bearing Sensors allow greasing the bearing without removing the sensor. Full, non restricted, grease flow path.
  • Easy to install and maintenance free. Just screw the “Housing” into an existing grease fitting location and slide in an “Insert”.
  • Sensing element is located at the bearing race for the most rapid and accurate readings. Brass-tipped for improved thermal conductivity.
  • Engineered for longevity and reliability.
  • Best feature set in the industry.

HB21 Details

HB21 Models:
HB21 adjustable “Housings” are available for 1/8″NPT , 1/4″ NPT and metric grease fittings.
HB21 “Inserts”come in 3″, 4″ and 6” lengths and are available in these industry-standard sensor types:

  • Thermocouple*: Type T standard, others available.
  • RTD*: Industry standard PT100. 2 and 3-wire options.
  • PTC Thermistor*: “HBRB” and MaxiScan compatible.
  • DigiMax™ Digital*: “1-Wire” digital for DigiMax, PLC, MaxiScan 12/12M Controllers, MaxiTrack PC software and other makes of “1-Wire” digital controllers.
    *Class II, Div. 1 Intrinsically Safe when installed with approved barrier, such as the Maxi-Tronic DigiMax BC-1 Barrier Converter.

HB21 Specs:

  • “21” Class II, Div.1 CSA
  • Stainless steel construction.
  • For existing 1/8”, 1/4” or metric Zerk fittings.
  • Integrated 1/2″ NPT conduit fitting.
  • Available with integrated armor cable and cord-grips for non-conduit installations.

HB21 Sensors are fully compatible with these Maxi-Tronic Controls:

  • MaxiScan 12 and 12M: 12 inputs with independent set-point and output relays. Model 12M includes a motion controller.
  • MTDT24: 24 input scanner for switch and thermocouple sensors. 2 output relays.
  • HB/RB: 8 or 16 switch or PTC Thermistor inputs w/status indicators and 1 output relay.
  • PLC: Easily connects to PLCs.

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