he HI98131 is a slim, lightweight, and waterproof pocket sized meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature. The meter operation is simplified with two buttons. One is used for on/off and for calibration while the other is used to switch between the measurement modes. The HI98131 has advanced features including a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm).
SKU | HI98131 |
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Product Name | GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester - HI98131 |
Quote Required | Yes |
pH Range | 0.00 to 14.00 pH |
pH Resolution | 0.01 pH |
pH Accuracy | ±0.1 pH |
pH Calibration | automatic, at one or two points using standard buffers (pH 4.01, 7.01,10.01); one point calibration using quick calibration solution |
pH Temperature Compensation | automatic |
EC Range | 0.00 to 6.00 mS/cm |
EC Resolution | 0.01 mS/cm |
EC Accuracy | ±2% F.S. |
EC Calibration | automatic, one-point at 1.41 mS/cm or 5.00 mS/cm; one point calibration using quick calibration solution |
TDS Range | 0 to 3000 ppm (500 CF); 0 to 3999 ppm (700 CF) |
TDS Resolution | 10 ppm (mg/L) |
TDS Accuracy | ±2% F.S. |
TDS Calibration | done through conductivity |
EC/TDS Temperature Compensation | EC/TDS |
EC to TDS Conversion Factor | 0.5 (500 ppm) or 0.7 (700 ppm) |
Cell Type | amperometric two pole |
Temperature Range | 0.0 to 60.0°C / 32.0 to 140.0°F |
Temperature Resolution | 0.1°C / 0.1°F |
Temperature Accuracy | ±0.5°C /±1°F |
Automatic Shut-Off | auto-off after 8 minutes of non-use |
Battery Type/Life | 1.5V (4) / approx. 100 hours of continuous use |
Environment | 0 to 50°C (32 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.) |
Ordering Information | HI98131 is supplied with HI73127 pH electrode, HI73128 electrode removal tool, batteries (4), instructions and quality certificate. |