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ET-2109LSR Intrinsically Safe Tachometer

Made in UK
ET-2109LSR Intrinsically Safe Tachometer
Click images to enlarge.
The new CHECK-LINE ET-2109 explosion proof tachometer is certified EEx ia IIC T4 - ATEX II 2 G to allow for use in a wide range of hazardous environments including petrochemical, gas & volatile materials processing industries.

The ET-2109LSR is not certified for use in Mines.

Measuring Range
3.0 - 99,999 rpm
0.3 - 1,500.0 Meters or Yards/min


  • Certified for use in Hazzardous Areas (EEx ia IIC T4 - ATEX II 2 G rating)
  • Digital LCD display with 180° inversion capability
  • Includes factory calibration certificate
  • Memory holds last reading for 1 minute

Tachometer Accessories


Measuring Range3.0 - 99,999 rpm
0.3 - 1,500.0 Meters or Yards/min
(4,500 ft/min) or seconds
Resolution.001 rpm
Accuracy0.02% of reading ±digit
Optical Sensing Range2 - 80" / 50 - 2000mm
Laser Type635nm with power less that 1mW (class II)
Update Time0.8 sec
Capture Mode0.1 Sec
Count0-99999 revs or length in linear
Time Interval0-99999 seconds (auto)
Memory HoldHolds last reading for 1 minute
On Target IndicatorYes
Housing MaterialHigh Flow ABS - Metalised
Batteries4xAAA supplied
Dimensions21 L x 4 W x 3.5 D - cm
Measuring WheelIncluded, 0.1 meter circumference
Weight (kit)0.4 Kg
Warranty1 year
Sensing Distance 1 meter (39 inches)
Battery Life 6 hours continuous (shorter when using rechargeable type
Display Update Rate 0.8 seconds/update (0.1 sec for Max Value capture)

Complete Kit

The ET-2109 is supplied as a complete kit with the tachometer, reflective tape, contact adapter, calibration certificate, instruction manual, 4xAAA batteries all in a hard plastic carrying case.

Combination Contact Adapter/Surface speed & length Adapter Included.


Related Products

Intrinsically safe tachometer
Click image for more info
Intrinsically Safe Hand-Held Mechanical Tachometer
- Suitable in all surface industries in hazardous explosive areas
- Accuracy of ± 0.5% Full Scale
- Rubber shell on housing provides extra protection and improved grip

Buy Now

Item Description Price
Intrinsically Safe Tachometer kit, 3.0 - 99,999 rpm, contact & non-contact operation
Reflective Tape, 1/2" x 5'
Replacement/Spare contact Adaptor 0.1 m circumference wheel
NIST Traceable Calibration Certificate
In stock
1 Week Lead Time (Estimated)
2-3 Week Lead Time (Estimated)
Lead Time Varies, Please contact us for availability.