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Total Hardness Low Range Checker HC

Total Hardness Low Range Checker HC Group Picture
Code: HI-735
  Pack Size List Price Qty  
photo_camera 1 Pack
HI-735
£90.20
Pack: 1 Pack

£90.20

This handy Checker is easier to use and more accurate than chemical tests kits. It is dedicated to a single parameter. It has single button operation system and easy to use.

The large LCD is easy to read and the auto shut-off feature assures the battery will not be drained.

Ideal for:

  • Drinking water
  • Process water
  • Heating and cooling systems
  • Swimming pools, hot tubs and spas
  • Agriculture
  • Food and Beverage industries
Water Hardness Guide    
Hardness classification Parts per million (ppm) Grains per gallon (gpg)*
Very soft <17.1 <1.0
Soft 17.1 to 60 1 to 3.5
Moderately hard 61 to 120 3.5 to 7.0
Hard 120 to 180 7.0 to 10.5
Very hard 180 + 10.5 +
* 1 grain per gallon = 17.1 ppm
Range 0 to 350 ppm (mg/L) as CaCO3
Resolution 1 ppm (mg/L)
Accuracy ±6 ppm ±6% of reading @ 25°C
Light source Light Emitting Diode @ 470nm
Light Detector Silicon Photocell
Method Adaptation of the EPA recommended Method 130.1. The reaction between calcium, magnesium, and the reagents causes a red-violet tint in the sample.
Environment 0 to 50°C; max 95% RH non-condensing
Battery type 1.5V AAA Alkaline
Auto-off After 10 minutes of non-use
Dimensions 86.0 x 61.0 x 37.5 mm
Weight 64g
Ordering Information HI-735 Checker HC is supplied with Total Hardness Low Range reagent starter kit (reagents 23 tests), sample cuvette and cap (2), 1mL graduated syringe with tip (2), plastic refilling pipette (1), 1.5V AAA alkaline battery (1), and instruction manual

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