This document is an instruction manual for HI 93751 Sulfate ISM instrument, which describes the design, construction and appearance of the instrument. The instrument is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to instructions. Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered. If service is required, contact the dealer from whom you purchased the instrument. If under warranty, report the model number, date of purchase, serial number and the nature of the failure. If the repair is not covered by the warranty, you will be notified of the charges incurred. To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date of purchase. All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895 , USA.
The HI 93751 is a portable instrument designed to measure sulfate content in water, wastewater, and seawater within a range of 0 to 150 mg/L. It utilizes a positive-locking system for cuvet placement and features an auto-shut off function after 10 minutes of non-use. The device operates using a 9-volt battery and includes a light source of 470 nm LEDs.
| Range | 0 to 150 mg/L |
|---|---|
| Resolution | 1 mg/L |
| Accuracy | +1 mg/L +5% of reading |
| Light Source | Light Emitting Diode @ 470 nm |
| Battery Type | 1 x 9 volt |
| Auto-Shut off | After 10 minutes of non-use |
| Dimensions | 80 x 83 x 46 mm |
The meter measures sulfate content in the 0 to 150 mg/L (ppm) range.
The typical battery life is 40 hours with a 9-volt battery.
The display shows a 'V' indicating low voltage, and if dead, the meter will lock up.