Trumeter | Innovation by Design
Trumeter | Innovation by Design

Model 9300

Infrared Tachometer

The Redington Model 9300-HTK hand tachometer kit utilizes state of the art technology at an affordable cost. Simple to use – push the measurement button to record the speed – the tachometer can be used for contact or non-contact measurement on rotating machinery or surface speed.

The 9300- HTK can indicate RPM or rotational speed, length measurement, meters, yards, or feet per minute. The photoelectric probe is used with reflective tape to detect rotating objects. The accessory adaptor with pointed tip can be added for contact measurement or wheels can be used for surface speed measurement.


  • Combination unit – photo and contact
  • Laser sighting operating range up to 40.0″ [1000mm]
  • Auto ranging – fixed decimal
  • Tripod mounting bushing
  • Low battery indicator
  • Max / min / avg
  • 40 points of memory
  • Carrying case included
  • 9V battery
  • Instruction manual
  • Certificate of calibration
  • Cone adapter
  • Funnel adapter
  • Contact adapter
  • Master wheel 3.94″ [100mm]
  • Reflective tape 0.59″ x 20.67″ [15mm x 525mm]

PDF Datasheet


Rotation speed (non-contact):

6.0 to 99999 RPM (rev/min)

Rotation speed (contact):

6.0 to 25000 (rev/min)

Surface speed (contact):

0.6 to 2500.0 M/M (m/min)
0.7 to 2734.0 Y/M (yard/min)
23.6 to 98425 I/M (inch/min)
2.0 to 8202.1 F/M (feet/min)

Length (contact):

0.1 to 9999.9 m (meter)
0.1 to 10936 YD (yard)
0.3 32808 FT (feet)


6.0 to 5999.9 RPM: ± 0.01% and ± 1 digit
5999.9 to 99999 RPM: ± 0.05% & ± 1 digit

Surface speed, length

0.5% and ± 1 digit


Laser diode


6.0 to 9999.9 RPM : 0.1 RPM
10000 to 99999 RPM : 1 RPM

Response time:

1 second

Operating temperature:

32°F to +122°F [+0°C to +50°C]

Auto power off:

Automatically after approx. 30 second

Battery type:

9V (006P, IEC6F22, NEDA1604)


5.79″ H x 1.93″ W x 1.14″ D [147mm x 49mm x 29mm]


3.4oz [95g] (without battery)

Contact adaptor:

1.8oz [50g]

Total number of revolutions:

1 to 99999 REV (rev)

Measuring distance:

40″ [100 cm]


1 year

Agency approvals:

RoHS, CE Compliant

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