Both instruments provide full-scale pH readings and allow the user to select the temperature readout in Centigrade or Fahrenheit. Other features include automatic calibration, automatic temperature compensation, selectable EC/TDS conversion factor, adjustable conductivity temperature coefficient, dual level LCD, stability indicator, Battery Error Prevention System and battery percentage gauge indicating battery strength.
| Part Number | Model | Dimensions | Capacity | pH Range | EC Range | TDS Range | Temp. Range | pH Calibration |
| HA-991300 | Multiparameter Meter, (Low Range Cond. & TDS) | 5.9" x 3.1" x 1.4" | 7.4 oz | 0.00 to 14.00 pH | 0 to 3999 μS/cm | 0 to 2000 ppm (mg/L) | 0.0 to 60.0°C | Automatic at 1 or 2 points with 2 sets of memorized standard buffers |
| HA-991301 | Multiparameter Meter, (High Range Cond. & TDS) | 5.9" x 3.1" x 1.4" | 7.4 oz | 0.00 to 14.00 pH | 0.00 to 20.00 mS/cm | 0.00 to 10.00 ppt (g/L) | 0.0 to 60.0°C | Automatic at 1 or 2 points with 2 sets of memorized standard buffers |
Related equipment we stock
Secchi Disk
20 cm diameter | Black & White quadrants | Calibrated line to 20 m | Marked at 0.5 m & 1 m intervals | Weighted parallel-sinking disk
Hanna Instruments GroLine Monitor for Hydroponic Nutrients HI981420
pH Range: 0.00 to 14.00 pH | EC Range: 0.00 to 10.00 mS/cm | Temperature Range: 0.0 to 60.0°C / 32.0 to 140.0°F | pH Resolution: 0.01 pH
9829 Multiparameter Water Quality Meter
pH 0–14 ±0.02 | DO 0–500% sat ±1.5% | EC 0–200 mS/cm ±1% | Turbidity 0–1000 FNU ±2% | IP67 meter / IP68 probe | 44,000-sample logger | Up to 140 h battery
Hanna Instruments edge® Multiparameter Meter
pH -2.000 to 16.000 | EC 0.00–500 mS/cm | DO 0.00–45.00 mg/L | 202×140×12.7 mm, 250 g | Data logging 1,000 records, 8-hr battery