Calibration Solutions
$105
Hanna HI98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
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Hanna HI98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
Specifications
| Brand | Hanna |
|---|---|
| Model | HI98131 |
| Weight | 100 g (3.5 oz.) |
| Dimensions | 163 x 40 x 26 mm (6.4 x 1.6 x 1.0) |
| Temperature range | 0.0 to 60.0C / 32.0 to 140.0F |
| Temperature Accuracy | 0.5C /1F |
| TDS Range | 0 to 3000 ppm (500 CF)| 0 to 3999 ppm (700 CF) |
| TDS Accuracy | 2% F.S. |
| pH Range | 0.00 to 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | 0.1 pH |
| Temperature Resolution | 0.1C / 0.1F |
| TDS Resolution | 10 ppm (mg/L) |
| Environment | 0 to 50C (32 to 122F)| RH max 100% |
| 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 |
| Battery Type/Life | 1.5V (4) / approx. 100 hours of continuous use |
| Cell Type | amperometric two pole |
| Ordering Information | HI98131 is supplied with HI73127 pH electrode| HI73128 electrode removal tool| batteries (4)| instructions and quality certificate. |
| Automatic Shut-Off | auto-off after 8 minutes of non-use |
| 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 Calibration | done through conductivity |
| EC/TDS Temperature Compensation | EC/TDS |
| EC to TDS Conversion Factor | 0.5 (500 ppm) or 0.7 (700 ppm) |
Key Features
- Waterproof and floats in water, designed for the humid growing environment
- Wide pH range of 0.00 to 14.00 pH
- Automatic Temperature Compensation (ATC), displays temperature in °C or °F
- Large LCD displays stability indicator, low-battery indicator, and calibration tags
Product Details
The HI98131 measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with selectable EC to TDS conversion factor. The pH readings are displayed with a 0.01 resolution and with an accuracy of 0.05 pH. EC and TDS readings are displayed with a 0.01 mS/cm and 10 ppm (mg/L) resolution and 2% full scale accuracy. The EC range of the HI98131 is from 0.01 to 6.00 mS/cm and TDS is from 0 to 3000 ppm using a 0.5 conversion factor or 0 to 3999 with a 0.7 EC to TDS conversion factor.
- HOLD button for easier measurement recording
- Battery Error Prevention System (BEPS) with three automatic shutoff settings
- Battery % level at startup
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