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Hanna pH/EC/TDS/Temperature Monitor low range EC & TDS, 230V - HI991404-02
Item #:
HI991404-02
Brand:
Hanna Instruments
Share this product:
HI991404-02 pH/EC/TDS/Temperature Monitor low range EC & TDS, 230V by Hanna Instruments
This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse and horticultural applications.
At startup, HI 991404-01 performs a self-check to assure proper working condition. The stability indicator and HOLD function lets the user know when to take readings and freezes the reading on display for easy and accurate recording.
This instrument is supplied with a non-clogging double junction pH electrode as well as a rugged conductivity probe that will withstand even the most aggressive environments. The 12 VDC adapter makes these instruments ideal for all continuous monitoring applications.
Please Note: This item cannot work with a digital ballast.
- Waterproof
- Adjustable TDS ratio and adjustable ?
- Stability indicator and HOLD
Order Information:
HI 991404-01 (115V) and HI 991404-02 (230V) is supplied with HI 1293D pH electrode, HI 7630 EC probe (fixed), HI 70004 pH 4.01 buffer solution sachet, HI 70007 pH 7.01 buffer solution sachet, HI 70031 1413 µS/cm calibration solution sachet, 12 VDC adapter and instructions.
| pH Range | 0.0 to 14.0 pH |
| EC Range | 0 to 3999 µS/cm |
| TDS Range | 0 to 2000 mg/L (ppm) |
| Temperature Range | 0.0 to 60.0°C / 32.0 to 122.0°F |
| pH Resolution | 0.1 pH |
| EC Resolution | 1 µS/cm |
| TDS Resolution | 1 mg/L (ppm) |
| Temperature Resolution | 0.1°C (0.1°F) |
| pH Accuracy @ 20°C | ±0.1 pH |
| EC/TDS Accuracy @ 20°C | ±2% F.S. |
| Temperature Accuracy @ 20°C | ±0.5°C (±1°F) |
| pH Temperature Compensation | automatic |
| EC/TDS Temperature Compensation | automatic with ß adjustable from 0.0 to 2.4%/°C |
| pH Calibration | automatic, one or two points with auto-buffer recognition |
| EC/TDS Calibration | automatic, one point at 1413 µS/cm or 1382 ppm |
| TDS Factor | adjustable from 0.45 to 1.00 |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing |
| Input Impedance | 1012 Ohm |
| Power Supply | 12 VDC adapter (included) |
| pH Probes | HI 1293D PEI body, pre-amplified pH electrode with 1/2” NPT pipe thread, DIN connector and 2 m (6.6’) cable (included) |
| EC/TDS | HI 7630 conductivity probe with 1/2” NPT pipe thread and 2 m (6.6’) cable(fixed) |
| Dimensions | 160 x 105 x 31 mm (6.3 x 4.1 x 1.2) |
| Weight | 190 g (6.7 oz.) |
