This document describes the features and characteristics of Hanna Instruments' Marine Calcium product. It provides preliminary examination and error warning information before using the instrument.
The document serves as a user guide for the Hanna Instruments HI 758 Marine Calcium meter. It details the preliminary examination of the device, lists included accessories such as sample cuvettes and reagents, and describes the functional components like the liquid crystal display and buttons.
The manual outlines specific measurement procedures to ensure accurate readings, including steps for zeroing the instrument with deionized water, adding samples, and mixing reagents. It also covers troubleshooting indicators like light levels, inverted cuvettes, and battery status, along with recommendations for user safety and equipment maintenance.
| Range | 200 to 600 ppm |
|---|---|
| Resolution | 1 ppm |
| Accuracy | ±6% of reading @ 25 °C/77°F |
| Light Source | Light Emitting Diode @ 610 nm |
| Light Detector | Silicon Photocell |
| Environment Temperature | 0 to 50 °C (32 to 122 °F) |
| Battery Type | 1x 1.5V AAAA |
| Auto-Shut off | After 10 minutes of non-use |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4x1.5") |
| Weight | 64 g (2.25 oz) |
The instrument has a range from 200 to 600 ppm.
The instrument shuts down after 10 minutes of non-use to save battery.
The meter requires one 1.5V AAAA battery.