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Hanna Instruments Product Documents
The Hanna Instruments Combo pH/EC/TDS/C/PPM Tester is one of Hanna’s most popular meters. The waterproof design, simple operation, and replaceable electrode mean that you can rely on this meter for years.
The HI98129 is an easy-to-use and accurate waterproof pH, conductivity, TDS (ppm) tester. It measures pH, EC in the low range (0 to 3999 µS/cm), TDS (0 to 2000 ppm), and temperature. This floating, waterproof combination pocket tester has an easy to read, LCD and an automatic shut-off. All pH, EC, and TDS (ppm) readings are automatically temperature compensated (ATC) to prevent temperature-related variations in your measurements. For EC and TDS (ppm) readings, the EC/TDS conversion factor (CONV) is selectable by the user, as well as the temperature compensation coefficient β (BETA).
Replaceable pH Electrode Cartridge
The HI98129 tester features an easy to replace pH electrode cartridge with an extendable cloth junction. The extendable cloth junction helps increase electrode life and the replaceable pH cartridge means that this tester does not need to be thrown away when the pH sensor is exhausted. Also, the sturdy, snap-in connector means there are no pins to bend or break!
High Accuracy EC and TDS (ppm) Tester Probe
The graphite conductivity probe provides greater accuracy because it cannot be contaminated by salt deposits in the solution. The exposed temperature sensor provides fast response times and guarantees highly accurate temperature compensated readings.
Hanna Instruments Combo pH/EC/TDS/C/PPM Tester Features at-a-glance
- 3 sensors in a single tester
- pH electrode with extractable junction
- Amperometric EC/TDS sensor
- Exposed temperature probe for faster EC and TDS (ppm) readings
- Waterproof
- Designed to float if accidentally dropped in sample
- Wide pH Range
- Selectable EC to TDS (ppm) conversion factor
- Choice of either a 0.45 or 1.0 conversion factor
- Automatic Temperature Compensation
- All readings are compensated for variations in temperature
- Temperature displayed in oC or oF along with pH, EC or TDS reading
- Stability indicator
- Meter displays a clock tag that will disappear when the reading has achieved stability
- HOLD button
- BEPS (Battery Error Prevention System)
- Meter will automatically shut off if there is not enough power to get an accurate measurement
- Battery % level at startup
- Low Battery Indicator
- Auto-off
- Auto-off feature automatically shuts off meter after 8 minutes of non-use to maximize battery life
Hanna Instruments Combo pH/EC/TDS/C/PPM Tester Included Items:
- Low Range pH/Conductivity/TDS Tester
- HI70004 pH 4.01 buffer solution 20 mL sachet (1 pc.)
- HI70007 pH 7.01 buffer solution 20 mL sachet (1 pc.)
- HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.)
- HI70031 1413 μS/cm conductivity standard, 20 mL sachet (1 pc.)
- HI70032 1382 ppm TDS standard 20 mL sachet (1 pc.)
- HI700601 pH & ORP electrode cleaning solution 20 mL sachet (1 pc.)
- HI73127 pH electrode
- HI73128 Electrode removal tool
- 1.5V batteries (4 pcs.)
- Instrument quality certificate
- Instruction manual
Hanna Instruments Combo pH/EC/TDS/C/PPM Tester Specs
| pH Range | 0.0 to 14.0 pH |
|---|---|
| pH Resolution | 0.1 pH |
| pH Accuracy (@25°C/77°F) | ±0.1 pH |
| pH Calibration | Manual, one point |
| pH Temperature Compensation | Automatic for pH readings |
| EC Range | 0 to 3999 μS/cm |
| EC Resolution | 1 μS/cm |
| EC Accuracy | ±2% F.S. |
| TDS Range | 0 to 2000 mg/L (ppm) |
| TDS Resolution | 1 mg/L (ppm) |
| TDS Accuracy | ±2% F.S. |
| TDS Calibration | Automatic, one point at 1413 μS/cm or 1382 mg/L (ppm) |
| Temperature Correction Coefficient | Automatic with у adjustable from 0.0 to 2.4% / °C |
|---|---|
| EC to TDS Conversion Factor | 0.45 to 1.00 |
| Temperature Range | -5.0 to 60.0°C / 23.0 to 140.0°F |
| Temperature Resolution | 0.1°C / 0.1°F |
| Temperature Accuracy | ±0.5°C /±1°F |
| pH Electrode | HI73127 (replaceable; included) |
| Automatic Shut-Off | Auto-off after 8 minutes of non-use |
| Battery Type / Life | 1.5V (4) / approximately 250 hours of continuous use |
| Environment | -5 to 50°C (23 to 122°F); RH max 100% |
| Dimensions | 163 x 40 x 26 mm (6.4 x 1.6 x 1.0″) |
| Weight | 100 g (3.5 oz.) |
| Warranty | 1 Year |
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