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Total Hardness Low Range (LR) Handheld Colorimeter – HI735

86.00  + PVM

HI735 Total Hardness Low Range handheld checker is designed to determine total hardness (as CaCO₃) in drinking and process water, heating and cooling systems, swimming pools and spas.
SKU: HI735 Category:

Available on backorder - This item may take 2-3 weeks to deliver.

HI735 Total Hardness Low Range handheld checker is designed to determine total hardness (as CaCO₃) in drinking and
process water, heating and cooling systems, swimming pools and spas. Also suitable to be used in agriculture, food and
beverage industries. HI735 features a single-button operation system and is easy to use. The large LCD is easy to read and the auto shut-off feature assures the battery will not be drained.

• Easier to use and more accurate than chemical test kits
• Dedicated to a single parameter
• Small size, big convenience

 

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

 

Specifications

Range   0 to 350 ppm (mg/L) as CaCO₃
Resolution   1 ppm (mg/L)
Accuracy    ±6 ppm ±6% of reading @ 25 °C (77 °F)
Light Source   Light Emitting Diode @ 470 nm
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 (32 to 122 °F); 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 (3.4 x 2.4 x 1.5”)
Weight   64 g (2.3 oz)
Ordering
Information
  HI735 Checker®HC is supplied with Total Hardness Low Range reagent starter kit (reagents for 12 tests), sample cuvette and cap (2 pcs.), 1 mL graduated syringe with tip (2 pcs.), plastic refilling pipette (1 pc.), 1.5V AAA alkaline battery (1 pc.), and instruction manual.

Reagent Set HI735-25 (25 tests). Price: 20.00 €

Calibration Set HI735-11 Certified standard kit. Price: 27.50 €

*HI735-11 and HI735-25 are sold separately.


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