HI-735 TOTAL HARDNESS LOW RANGE CHECKER HANDHELD COLORIMETER
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HI-735
A great all-rounder. The HI-735 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.
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.
It may be small, but it is certainly a 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 |
Read More
| 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 | |
| Reagent set | HI-735-25 (25 tests) | |
| Calibration set | HI-735-11 Certified Standard Kit |
| HI-731318 | cuvette cleaning cloth x 4 | |
| HI-731315 | Glass cuvettes and caps x 2 | |
| HI-731321 | Glass cuvette x 4 | |
| HI-731225 | Cuvette cap for Checker®HC x 4 | |
| HI-93703-50 | Cuvette cleaning solution | |
| HI-740226 | 5mL graduated Syringe | |
| HI-740157P | Plastic refilling pipette x 20 | |
| HI-740144P | Pipette tip x 10 | |
| HI-740143 | 1mL graduated syringe x 6 | |
| HI-740036P | 100mL plastic beaker x 10 | |
| HI-70436M | deionised water (230mL) | |
| HI-70436 | deionised water (1G) |
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