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Benchtop Multi-parameter Water Quality Meter LMPWM-A40 with 7 inch TFT display measures pH, mV, relative mV, water hardness, and temperature and Ion concentration of the sample. With expanded memory, it stores and recalls up to 1000 readings. Calibration due reminder informs operator to calibrate the meter regularly.
| pH Mode | pH range -2.00 to 20.00 pH pH Accuracy ± 0.002 pH pH Resolution 0.1/0.01/0.001 pH, selectable pH Calibration Points 1 to 5 Points pH Buffer Solutions USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers |
| ORP Mode | mV Range ± 2000 mV mV Accuracy ± 0.2 mV mV Resolution 0.1 mV, selectable mV Calibration Points 1 Point, only for relative mode |
| mV Mode | |
| Ion Mode | Ion measurement range 0.01 to 30000 ppm, mg/l, mol/l, mmol/l (refer Range of ion selection) Ion measurement accuracy ±0.5% F.S (Monovalent), ±1% F.S (Divalent) Ion measurement resolution 0.001/0.01/0.1/1 Ion measurement calibration points 2 to 5 points Ion measurement calibration solutions 0.001/0.01/0.1/1/10/100/1000/10000 ppm, mg/L, mol/L Ion measurement methods Direct reading, Known addition, Known subtraction, Sample addition, Sample subtraction |
| Water Hardness Mode | Water hardness measurement range 0.05-200mmol/L, 0-1120°dH, 0-1404°e, 0-2000°fH, 0-8000mg/L (Ca2+), 0~19999mg/L (CaCO3) Water hardness measurement accuracy ±1% F.S Water hardness measurement resolution 0.001/0.01/0.1/1 Water hardness calibration points 2 to 5 points Water hardness calibration solutions 0.01/0.1/1/10/100 mmol/L |
| Temperature Mode | Temperature measurement range 0 to 105°, 32 to 212°F Temperature measurement accuracy ± 0.5°C, ± 0.9°F Temperature measurement resolution 0.1°C, 0.1°F Temperature measurement calibration points 1 point |
| Conductivity Mode | |
| TDS Mode | |
| Salinity Mode | |
| Resistivity Mode | |
| Dissolved Oxygen Mode | |
| Temperature Range | 0 to 100°C, 32 to 221°F |
| Temperature Accuracy | |
| Temperature Resolution | |
| Temperature Calibrations Points | |
| Temperature Compensation Mode | Manual or Automatic |
| Data Hold Function | Manual or Automatic end point detection |
| Stability Criteria | Standard or high accuracy |
| Calibration Due Alarm | 1 to 31 days |
| Reset Function | Yes |
| Memory | Stores up to 1000 sets data |
| Output | USB communication interface |
| Connector | BNC Connector |
| Display | 7 inch TFT LCD display |
| Power supply | DC 12 V, AC adapter, AC 220 V, 50 Hz |
| Dimension (L × W × H) | 240 × 220 × 80 mm |
| Weight | 1.7 kg |
| Accessories No. | Name |
| 1 | pH electrode |
| 2 | Temperature probe |
| 3 | pH buffer pouches (4.01/7.00/10.01) |
| 4 | Ion selective electrode |
| 5 | Ion calibration standard solution 100 and 1000 ppm |
| 6 | Water hardness electrode |
| 7 | Water hardness calibration solutions |
| 8 | Electrode holder |
| 9 | Power adapter |
| Accessories No. | Name of the Ion electrode | Range |
| 1 | NH4 [Ammonium] Electrode | 5 × 10-6 ~1M |
| 2 | Br [Bromide] Electrode | 5 × 10-6 ~1M |
| 3 | Ca [Calcium] Electrode | 5 × 10-7 ~1M |
| 4 | Cl [Chloride] Electrode | 5 × 10-6 ~1M |
| 5 | Cn [Cyanide] Electrode | 5 × 10-6 ~0.01M |
| 6 | F [Fluoride] Electrode | 1 × 10-6 M~Saturation |
| 7 | NO3 [Nitrate] Electrode | 7 × 10-6 ~1M |
| 8 | Ag [Silver] Electrode | 1 × 10-7 ~1M |
| 9 | Na [Sodium[ Electrode | 1 × 10-5 ~1M |
| 10 | Cd [Cadmium] Electrode | 1 × 10-6 ~0.1M |
| 11 | Cu [Cupric] Electrode | 1 × 10-8 ~0.1M |
| 12 | I [Iodide] Electrode | 5 × 10-8 ~1M |
| 13 | Pb [Lead[ Electrode | 1 × 10-8 ~0.1M |
| 14 | K [Potassium] Electrode | 1 × 10-6 ~1M |
| 15 | S [Sulphide] Electrode | 1 × 10-7 ~1M |
| 16 | NH3 [Ammonia] Electrode | 1 × 10-6 ~1M |
Used in multi-parameters based research testing , and quality analysis of water, other general liquids across water plants, food and beverages production units, laboratories, and institutes.