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chek-mate Flowmeter

The SKC chek-mate Flowmeter is our easy to use differential pressure flowmeter for calibrating air flow sample pumps at flow ranges between 0.75 and 5.0 L/min. The chek-mate meets the accuracy requirements of MDHS 14/4, and other HSE air sampling methods.


Handheld Chek-mate calibrator for air sampling pumps
Simple Chek-mate calibrator for air sampling pumps


chek mate calibrator for air sampling pumps sample train
  • No moving parts
  • Built-in temperature and atmospheric pressure compensation
  • Short stabilisation time
  • Accuracy to 1% over the whole measuring range
  • Auto-shutoff to conserve battery
  • Compact, portable and lightweight
  • Can be used in any orientation
  • Easy to use:
    • 1. Connect sample train to the chek-mate
    • 2. Press the only button to turn the chek-mate on
    • 3. Wait for flow reading to stabilise to within 1-2 ml/min
    • 4. Adjust pump flow if necessary
    • 5. Turn off chek-mate––


Flow Range

  • 0.75 - 5 L/min

Display Resolution

  • 0.001 L/min


  • 1% of volumetric reading

Power Supply

  • 9V alkaline battery (included)
  • Provides approximately 30 hours of operation
  • Automatic 15 minute power off timer
  • Low battery indication

Operating Temperature

  • 0 to 40°C (32 to 104°F)

Operating Barometric Pressure

  • 700 mbar to 1090 mbar (20.7" Hg to 32.2" Hg)

Operating Altitude

  • Sea level to approximately 3050m (10,000ft) above sea level

Overall Dimensions (including hose tail)

  • 18 x 8.3 x 3.3 cm (7 x 3.3 x 1.3 ")

IP Rating

  • IP40


  • 250 g (8.8 ounces)


  • CE Marked


chek-mate Brochure

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chek mate manual front cover154x109

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Description Part Number
chek-Mate Flowmeter, 0.75L/min to 5L/min flow range, battery included 375-07550
Replacement 9V MN1604 Alkaline Battery P37500