DESCRIPTION:
The HI93719 and HI93720 are a portable meters providing measurement of Ca and Mg Hardness. Water, with exception of distilled water, contains dissolved salts (Magnesium and Calcium carbonates). The presence of dissolved salts is due to the fact that water comes from underground, and it is in turn made up by rainfalls. By passing through the various layers of soil and rocks, rain water dissolves some of the mineral substances. Hardness is a consequence of the type of rock layers which the water passes through and of its permanence in the water bearing stratum.
Some of the HI93719 and HI93720 outstanding features include:
SPECIFICATIONS:
| SPECIFICATION | HI93719 | HI93720 |
| RANGE | 0.00 to 3.00 mg/L | 0.00 to 9.99 mg/L |
| RESOLUTION | 0.01 mg/L | 0.01 mg/L |
| ACCURACY | ±0.04 mg/L ±4% of the reading |
±0.05 mg/L ±5% of the reading |
| TYPICAL EMC DEVIATION | ±0.01 mg/L | ±0.01 mg/L |
| LIGHT SOURCE | Light Emitting Diode @ 470nm | |
| LIGHT LIFE | Life of the Instrument | |
| LIGHT DETECTOR | Silicon Photocell | |
| BATTERY TYPE/LIFE | 1 x 9V / Approx. 40 hours of continuous use. Auto-shut off after 10 minutes of non-use |
|
| ENVIRONMENT | 32 to 122°F (0 to 50°C); RH 95% | |
| DIMENSIONS | 7.1 x 3.3 x 1.8" (180 x 83 x 46mm) | |
| WEIGHT | 10 oz. (290 grams) | |
HOW TO ORDER:
HI93719: Low Range meter supplied w/ 2 cuvets caps, battery & reagents for 100 tests..... $225.00
HI93720: High Range meter supplied w/ 2 cuvets caps, battery & reagents for 100 tests..... $225.00
