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Hanna HI991404 Combo Gro'Chek continuous monitor
- Dual-level backlit LCD
- 12 VDC power supply
- Range: pH 0.00 to 14.00, EC 0 to 3999 uS/cm, TDS 0 to 2000 ppm, Temp 0.0 to 60°C or 140.0 °F
- Accuracy: pH ±1.05, EC ±2%F.S., TDS ±2%F.S. Temp ±0.5±C or ±1±F
- Temp Compensation: EC/TDS Automatic, Temp coefficient adjustable from 0.0 to 2.40%±C, pH Automatic
- Comes with non-clogging double junction pH electrode and rugged conductivity probe
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