HANNA instruments HI735 Total Hardness Low Range Handheld Colorimeter
Total Hardness Low Range (LR) Handheld Colorimeter
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
| 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) |
| Calibration Set | HI735-11 Certified standard kit |
Documents / Resources
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HANNA instruments HI735 Total Hardness Low Range Handheld Colorimeter [pdf] User Guide HI735 Total Hardness Low Range Handheld Colorimeter, HI735, Total Hardness Low Range Handheld Colorimeter, Handheld Colorimeter, Colorimeter |
