Description
The 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 HI735 features a single-button operation system and is easy to user-friendly photometer that provides precise digital measurements of total hardness (as CaCO₃) in freshwater samples, serving as a superior alternative to traditional chemical test kits that rely on subjective color matching
Key Applications
- Monitoring drinking water, process water, and boiler/feedwater
- Heating and cooling systems (preventing scale buildup)
- Swimming pools, spas, and aquaculture
- Agriculture, food & beverage industries, and environmental testing
| SKU | HI735 |
| Name | Total Hardness LR Checker HC Handheld Colorimeter |
| 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 shut-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) |
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