This file is the instruction manual for HI 93735 Hardness ISM, which details the product's features, usage methods and warranty information
This manual provides instructions for the Hanna Instruments HI 93735 Hardness ISM, a portable instrument designed to measure total hardness in drinking, surface, and wastewater. The device utilizes an exclusive positive-locking system for cuvet placement and features an auto-shut-off function after 10 minutes of non-use. It operates using specific liquid and powder reagents supplied in bottles and packets to ensure precise dosing and repeatability.
| Range LR | 0 to 250 ppm |
|---|---|
| Range MR | 200 to 500 ppm |
| Range HR | 400 to 750 ppm |
| Resolution | 1 ppm from 0 to 100 ppm |
| Accuracy LR | + 5 ppm or + 4% of reading |
| Light Source | Light Emitting Diode @ 470 nm |
| Battery Life | 40 hours |
| Auto-Shut off | After 10 minutes of non-use |
| Dimensions | 180 x 83 x 46 mm |
The instrument is warranted for two years against defects in workmanship and materials when used for its intended purpose.
The battery life is approximately 40 hours with a 9 volt battery.