DM-1 Dual Inline TDS Meter from HM Digital

HM Digital dual inline TDS meter for testing total dissolved solids in water filters and marine water production systems.

£26.99 £22.49
In stock
SKU
DM-1
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The DM-1 is a dual inline TDS meter manufactured by HM Digital. This can be used on marine reverse osmosis water filters. We suggest have one probe on the output from the RO membrane and the second on the output from the DI resin stage.

Ideal for all water purification applications, aquaculture and hydroponics; suitable for both domestic or commercial use. This unit will allow you to test your water and know if your RO membrane needs replacing.

Features

  • Displays TDS levels of the feed water and product water with in & out electrode probes
  • Highly efficient and accurate due to its advanced microprocessor technology.
  • Auto-off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use
  • Dual range 0 - 9,990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image)
  • Factory calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver
  • Comes equipped with Mur-lok® quick connect T-fittings
  • Installs quickly and easily

Technical Specifications 

  • Range: 0 - 9,990 ppm 
  • Accuracy: ±2% 
  • Conversion factor: NaCl (avg. 0.5)
  • Cable length: 24.5" (including sensor) 
  • Fittings: 1/4" standard, also available with 3/8" or 1/2" (at extra cost) 
  • Power source: 2 x 1.5V button cell batteries (included) 
  • Battery life: Approx. 1,000 hours of continuous use 
  • Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) 
  • Weight: 79.4 g (2.8 oz.)  
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