HB21 Bearing Sensors

Maxi-Tronic leads the industry in providing a wide variety of reliable, low cost temperature sensors for all your hazard monitoring needs.

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HB21TM sensors are ideal for bearings, gear boxes, bucket elevators, mills, grinders, conveyors, mechanical drives and most other material handling equipment.

Use these “Hot Bearing” sensors with Maxi-Tronic Temperature Controllers and all PLC/PC based systems. Combine with the Maxi-Tronic MaxiScan 12M Underspeed Detection and Temperature Controller for complete hazard monitoring protection.

HB21™ Sensors in Action

  • Easy-to-adjust length for any size bearing.
  • HB21 Series Bearing Sensors allow greasing the bearing without removing the sensor.
  • Easy to install and maintenance free. Just screw the stainless “Housing” into an existing 1/8”, 1/4” or 8mm Zerk tting hole then 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 and accuracy.

Sensor Type Options:

  • Thermocouple: Type T, others types available.
  • RTD: Industry standard PT100, 4 conductor (2, 3 and 4-wire compatible).
  • PTC Thermistor: “HBRB” and MaxiScan™ compatible.
  • DigiMax™ Digital: “1-Wire”† digital for DigiMax™, PLC, MaxiScan 12/24 Controllers and MaxiTrack™ PC software.

Inserts:

3“ length Inserts for “D” = .25” to 1.5“
4.5” length Inserts for “D” = 1“ to 3”
6” length Inserts for “D” = 2.5“ to 4.5 “; others available

Adjustable Housings:

HB21.HSNG.18 for 1/8” NPT Zerk fitting and #HB21.HSNG.14 for 1/4” NPT Zerk tting.

  • CSA certified Class II, Div. 1, Groups E, F, G
  • Extremely rugged design.
  • Industry standard TC, RTD, PTC and “1-Wire”
  • digital sensors for industry wide compatibility.
  • Integrated 1/2” NPT conduit tting.
  • “Simple Apparatus” for Intrinsically Safe installations with an approved barrier.
  • Fully compatible with PLCs, DigiMax, MaxiScan 12/24 controllers and MaxiTrack remote monitoring PC software.

LIterature

Manuals

† 1-Wire® Is a registered trademark of Maxim Integrated Products, Inc.