| Designation 
 | TMRT 1 digital tachometer 
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| Display 
 | Inverting LCD Vertical 5 digit display 
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| Display functions 
 | 180º Inverting 
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| Rotational speed range 
 | Optical mode: 3-99,999 rpm (or equivalent in rps)
 
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| 
 | Contact mode: Max. 50 000 rpm for 10 sec (or equivalent in rps)
 
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| Linear speed range 
 | 0.30-1 500.0 Metres or Yds/min. (4 500 ft/min) or equivalent in seconds
 
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| Measurement modes 
 | Optical; rpm and rps (also Count and Time) 
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| 
 | Via contact adaptor; rpm and rps, metres, yards, feet, per min and per sec.
 
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| 
 | Count total revs, metres, feet, yards 
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| 
 | Measure Time interval in seconds between pulses (reciprocal rate)
 
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| 
 | Speed Capture feature - Maximum, Minimum or Average rate
 
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| Laser optical range 
 | 50 mm - 2 000 mm (1.9 - 78.7 in.) 
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| Angle of operation 
 | ± 80º 
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| Light source 
 | Class II laser diode 
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| Accuracy speed modes only 
 | 0.01%, ± 1 digit 
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| Resolution range features 
 | Fully Auto ranging up to 0,001 digit or ± 1 digit fixed, user selectable
 
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| On target indicator 
 | Yes 
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| Low battery indicator 
 | Yes 
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| Memory features 
 | - Last reading held for 1 minute 
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| 
 | - Program settings retained in memory after power off
 
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| Auto switch off 
 | After 1 minute 
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| Contact adaptor 
 | Included complete with rpm cone and removable metric wheel assembly
 
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| Battery type 
 | 4 x AAA alkaline cells 
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| Unit dimensions 
 | 213 x 40 x 39 mm (8.3 x 1.5 x 1.5 in.) 
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| Unit weight 
 | 170 g (5.9 oz) 
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| Carrying case dimensions 
 | 238 x 49 x 102 mm (9.3 x 1.9 x 4.0 in.) 
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| Total weight (incl. case) 
 | 355 g (12.5 oz) 
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| Warranty 
 | 12 months |