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The HI98402 is a rugged, waterproof, portable fluoride meter. This meter offers many features including automatic calibration, on-screen instructions, and automatic temperature compensation. The HI98402 requires the HI4010 epoxy body fluoride half-cell and the HI5313 PEI plastic body reference electrodes in order to operate. They are available as accessories.
Five Measurement Ranges
Automatic Calibration
On-Screen Instructions
Details
The HI98402 is a rugged, portable fluoride meter designed to provide laboratory precision and accuracy under harsh environmental conditions. This meter is ideal for a variety of applications in drinking water treatment, environmental monitoring, and plating baths.The HI98402 offers a variety of features including five distinct measurement ranges, automatic calibration to 1 or 2 points, automatic temperature compensation, and on-screen instructions.
The HI98402 uses a BNC probe input for connecting the fluoride half-cell electrode and a reference input for the reference half-cell electrode. A separate RCA connector is used for a thermistor temperature probe. The temperature probe provides for a high ±0.2 °C accuracy measurement for precise temperature compensation.
Features at-a-glance
One or Two-Point Calibration – Automatic calibration can be performed at 1 or 2 points using the 5 pre-programmed buffers (1 mg/L, 2 mg/L, 10 mg/L, 100 mg/L, and 1000 mg/L).
On-Screen Instructions – Clear and easy to use on-screen instructions take you through all of the steps in performing a calibration and taking measurements.
Fluoride and Reference Half-Cell Electrodes – The HI98402 requires two half-cell electrodes to measure fluoride. The HI4010 is a fluoride half-cell comprising an epoxy body and a lanthanum fluoride crystal sensing membrane. The HI5313 is a reference half-cell featuring a cone style junction that produces a highly stable reference potential and consistent flow rates of electrolyte into solution. Together with the meter and temperature probe, a complete and accurate measurement system is formed.
Automatic Temperature Compensation – The HI98402 offers automatic temperature compensation of fluoride measurements over the range of -5.0 to 55.0°C.
| Temperature Range | -20.0 to 120.0°C (-4.0 to 248.0°F) |
|---|---|
| Temperature Resolution | 0.1°C (0.1°F) |
| Temperature Accuracy | ±0.2°C; ±0.4°F (excluding probe error) |
| Temperature Compensation | automatic, -5 to 55°C (with temperature probe) |
| Fluoride Range | 0.050 to 0.500 mg/L (ppm); 0.50 to 5.00 mg/L (ppt) 5.0 to 50.0 mg/L; 50 to 500 mg/L; 0.50 to 1.90 g/L (ppt) |
|---|---|
| Fluoride Resolution | 0.001 mg/L (ppm); 0.01 mg/L; 0.1 mg/L; 1 mg/L; 0.01 g/L |
| Fluoride Accuracy | ±5% of reading or ±0.02 mg/L (ppm) fluoride (with ±3°C from calibration temperature) |
| Fluoride Calibration | automatic from one or two point at 1 mg/L, 2 mg/L, 10 mg/L, 100 mg/L and 1000 mg/L |
| Required Probes | HI4010 fluoride electrode with BNC connector and 1 m (3.3’) cable (not included); HI5313 reference electrode with 1 m (3.3’) cable (not included) HI7662 stainless steel temperature probe with 1 m (3.3’) cable (not included) |
|---|---|
| Battery Type/Life | 1.5V AAA (3) / approximately 200 hours of continuous use |
| Environment | 0 to 50°C (32 to 122°F); RH max 100% |
| Dimensions | 185 x 72 x 36 mm (7.3 x 2.8 x 1.4’’) |
| Weight | 300 g (10.6 oz.) |
| Ordering Information | HI98402 is supplied with batteries, rugged carrying case and instructions. |
