TSI FlowMaster 250DL Flow Meter


Available for International Shipping

The Flowmaster 250DL measures the flow rate and the pressure at every water drawing off point and produces verifiable reports. Applications include; Testing hydrants, Testing pumps, Testing dry risers, Testing branches and hoses, Flushing water mains, Evaluating fire fighting techniques, Training.


  • Easy to use
  • Automatically stores your test results
  • Creates verifiable test reports
  • Accurate and reliable electromagnetic sensor
  • Robust – no moving parts
  • Portable, rechargeable and connectable anywhere
  • Large digital electronic flow rate display
  • 4-digit backlit LCD display
  • Volume readings to 1,000,000 litres
  • Flow readings in LPM or in US GPM


Type: Electromagnetic
Operating Range: 30 to 3,000 lpm, can be extended to 5,000 lpm
Accuracy: 30 to 750 lpm: ±15 lpm > 750 lpm: ± 2%
Power Supply: Internal battery 12V DC, 2.4Ah Up to 10 hours continuous operation
Operating temperature: -10 to +50ºC
Weight: 12.5kg Dimensions: 210 (H) x 240 (W) x 390 (L) mm
Housing: Solid and corrosion resistant LM25 aluminium
Sensor: Piezoresistive pressure transducer
Range: 0-25bar in 0.1bar increments
Accuracy: ± 1%
Readout: High brightness LED. Readings in BAR or PSI