This document is the instruction manual for the HI 96741 Total Hardness and Iron Ion Selective Meter. The document describes the features and usage of the instrument.
The Hanna Instruments HI 96741 Ion Selective Meter is designed for measuring Total Hardness and Iron LR. The instrument is supplied with two sample cuvettes, caps, a 9V battery, and an instruction manual. Users are advised to examine the product for damage upon receipt and save packing materials until the instrument is verified to work correctly. The manual details the functions of the keys, including RANGE/GLP/, CAL CHECK, ZERO/CFM, READ/TIMER, and ON/OFF, as well as the interpretation of LCD display elements and error messages.
| Range (Total Hardness) | 0.00 to 4.70 mg/L |
|---|---|
| Range (Iron LR) | 0.00 to 1.60 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy (Iron LR) | ±0.01 mg/L ±8% of reading @ 25°C |
| Light Source | Tungsten lamp |
| Light Detector | Silicon Photocell with narrow band interferencefilter @ 525 nm |
| Dimensions | 192 x 104 x 69 mm |
| Weight | 360 g |
| Battery Type | 1 x 9 volt |
The measurement range for Total Hardness is 0.00 to 4.70 mg/L.
The measurement range for Iron LR is 0.00 to 1.60 mg/L.
A 'Battery low' message appears, indicating the battery must be replaced soon.
It indicates the sample concentration is beyond the programmed range and requires dilution.