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
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
Temperature Range 0 to 100°C, 32 to 221°F
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

  • Common features
  • Auto read feature to lock and read endpoint measurement
  • Stability indicator to record stable measurement reading
  • Reset feature automatically sets all function to default condition
  • Automatic interval readings, sends the measurement data to the computer/printer
  • USB communication interface to transfer store data
    pH features
  • 1-5 points push button calibration to automatically identify pH buffer
  • Convenient to select pH buffer standard (USA/NIST/DIN) or custom calibration solutions
  • Automatic temperature compensation, provides accurate readings over entire pH range
  • Automatic electrode diagnosis with pH slope, offset display
  • Alarm when pH readings are out of range
  • ORP features
  • 1 point offset calibration, can adjust display value to known standard
  • Relative and absolute millivolt mode of measurement
  • Water Hardness features 2 to 5 points calibration with high to low concentration
  • Advanced measurements using different measurement units
  • Ion features 2 to 5 2 to 5 points calibration, when 8 concentration points are selected
  • Different concentration units like ppm, mg/l, mol/l, mmol/l for selection
  • Automatic recognition of ion selective electrode
  • Different Ion measurement methods for selection
  • Calibration report with details of calibration standard and slope

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.

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