Water Testing Equipment

pH measurement range : 0.00 to 14.00 pH

pH accuracy : ± 0.01 pH

pH resolution : 0.01 pH

Calibration points : 2 points

pH measurement range : -1.00 to 15.00 pH

pH accuracy : ± 0.01 pH

pH resolution : 0.01 pH

Calibration points : 1-3 points

pH measurement range : -2.000 to 20.000 pH

pH accuracy : ± 0.002 pH

Calibration points : 1-5 points

Calibration solutions : USA, NIST, DIN or user defined

Temperature compensation : 0 to 100°C, 32°F to 212°F Manual or Automatic

Hold function : Manual or automatic endpoint detection

Stability criteria : Standard or High-accuracy

Interval readings : 10, 30, 60 seconds, 10, 30 minutes or Off

pH Range : -2.000 to 20.000 pH

pH Resolution : 0.1, 0.01, 0.001pH

pH Accuracy : ±0.002 pH

pH Calibration Points : Up to 5

Conductivity measurement range : 0 - 20.0, 200.0, 2000 µS / cm, 200.0 mS / cm

Conductivity accuracy : ± 1 % F.S.

Conductivity resolution : 0.01, 0.1, 1

Conductivity calibration solutions : 10 µS / cm , 84 µS / cm, 1413 µS / cm, 12.88 mS / cm, 111.8 mS / cm

Conductivity Range : 0.000 µS/cm to 3000 mS/cm

Conductivity Resolution : 0.001 µS/cm minimum

Conductivity Accuracy : ±0.5% FS

Conductivity Reference Temperature : 5, 10, 15, 18, 20, 25 ºC

Conductivity measurement range : 0.000 μS/cm to 3000mS/cm

Resistivity measurement range : 5.00 Ω·cm to 100.0 MΩ·cm

TDS measurement range : 0.000 mg/L to 1000g/L

Salinity measurement range : 0.00 to 8.00 %

Cell constant : K=0.1, 1, 10

Power requirements : DC 9 V, using AC adapter, AC 220 V, 50 Hz

Dimension (L×W×H) : 210 × 205 × 75 mm

Weight : 1.5 kg

Dissolved oxygen range : 0.0 to 20.0 mg / L (or ppm)

Dissolved oxygen accuracy : ± 0.5 mg / L

Resolution : 0.1 mg / L

Calibration points : 1 - 2 points

Dissolved oxygen range : 0.0 to 20.0 mg / L (or ppm)

Dissolved oxygen accuracy : ± 0.2 mg / L

Resolution : 0.01 mg / L

Calibration points : 1 - 2 points

Ion measurement range : K range: 1×106 - 1M, 0.04 -39000 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : Ag range: 1 × 107 - 1 M, 0.01 - 107900 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : Br range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement Resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to1999.9 mV

Ion measurement range : Br range: 5 × 106 - 1 M, 0.4 - 79900 ppm

Ion measurement accuracy : ± 0.5 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : Ca range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement Resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to1999.9 mV

Ion measurement range : Ca range: 5 × 107 - 1 M, 0.02 - 4000 ppm

Ion measurement accuracy : ± 0.5 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : Cd range: 1×106– 1M, 0.01-11200 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : Cl range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement Resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to1999.9 mV

Ion measurement range : Cl range: 5 × 106 - 1 M, 1.8 - 35500 ppm

Ion measurement accuracy : ± 0.5 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : Cn range: 5 × 106 – 0.01 M, 0.2 – 260 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : Cu range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to 1999.9 mV

Ion measurement range : Cu range: 1×108 - 1M, 0.06-6400 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : F range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement Resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to1999.9 mV

Ion measurement range : F range: 1 × 106M – saturation, 0.02 ppm to saturation

Ion measurement accuracy : ± 0.5 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : I range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to 1999.9 mV

Ion measurement range : I range: 1×108- 1M, 0.06 -127000 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : K range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to 1999.9 mV

Ion measurement range : Na range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement Resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to1999.9 mV

Ion measurement range : Na range: 1 × 105 - 1 M, 0.1 - 23000 ppm

Ion measurement accuracy : ± 0.5 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : NH range: 0 to 19990 g/L

Ion measurement accuracy : 0.005

Ion measurement resolution : 4 significant digits (expressed in scientific notation)

mV range : 1999.9 to 1999.9 mV

Ion measurement range : NH3 range: 1 × 106 - 1 M, 0.02 - 17000 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : NH4 range: 5 × 106 – 1 M, 0.1 – 18000 ppm

Ion measurement accuracy : ± 0.5 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Test Parameters : pH/ISE/Temp. (mV/pX)

pH Range : -2.00 to 20.00 pH

pH Resolution : 0.1, 0.01 pH

pH Accuracy : ±0.01 pH

Ion measurement range : Pb range: 1×108 – 0.1M, 0.2-20700 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Ion measurement range : S range: 1×107 - 1M, 0.003-32100 ppm

Ion measurement accuracy : ± 1 % F.S.

Resolution : 0.001, 0.01, 0.1, 1

Calibration points : 2 to 5 points

Water hardness range : 0.05 mmol / L -0.2 mol / L (CaCO3) 0 - 19999 mg / L, (CaO) 0 - 11220 mg / L, (boiler) 0 - 400 mmol / L, (Ca) 0 - 8020 mg / L (German degree) 0 - 1122 °dH, (English degree) 0 - 1404 °e, (French degree) 0 - 2000 °f

Accuracy : ± 1 % F.S.

Calibration points : 2 to 5 points

Calibration solution : 0.001, 0.01, 0.1 mmol/L, 0.001, 0.01, 0.1 mol/L

Thermal Conductivity Range : 0.0001 to 1.5 w/mk

Operational Temperature : Hot Plate: 100 °C, 90 °C Cold Plate: -10°C,-20°C, -40°C

Accuracy : ± 3%

Precision : 0.2

Conductivity measurement range : 1.0 to 199.9 µS/cm

Type of conductivity : Low range conductivity

Conductivity accuracy : ± 1 % F.S.

Conductivity calibration points : 1 point

Conductivity measurement range : 10 to 1999 µS/cm

Type of conductivity : Mid-range conductivity

Conductivity accuracy : ± 1 % F.S.

Conductivity calibration points : 1 point

Conductivity measurement range : 0.1 to 19.99 mS/cm

Type of conductivity : High range conductivity

Conductivity accuracy : ± 1 % F.S.

Conductivity calibration points : 1 point

Dissolved oxygen range : 0.0 to 20.0 mg/L (or ppm)

Dissolved oxygen accuracy : ± 0.5 mg/L

% of saturation of oxygen : 0.0 to 200.0%

Sensor type : Polarographic dissolved oxygen probe

Sensor type : Platinum sensor

Connector : 6 pin

ORP measurement range : (-999) to 999 mV

ORP accuracy : ± 2 mV

Connector : BNC

ORP measurement range : (-999) to 999 mV

ORP accuracy : ± 2 mV

ORP resolution : 1 mV

pH measurement range : pH range: (-1.00) to 15.00 pH

Shape of electrode : Different electrodes can be connceted via BNC Connector

pH measurement accuracy : ± 0.01 pH

Calibration point : 1 - 3 points

pH measurement range : 0.0 - 14.00 pH

Shape of electrode : Round glass pH electrode

pH measurement accuracy : ± 0.1 pH

Calibration point : 2 points

pH measurement range : 0.0 - 14.00 pH

Shape of electrode : Flat pH electrode

pH measurement accuracy : ± 0.1 pH

Calibration point : 2 points

pH measurement range : 0.0 - 14.00 pH

Shape of electrode : Long distance planar pH electrode

pH measurement accuracy : ± 0.1 pH

Calibration point : 2 points

pH measurement range : pH range: (-1.00) to 15.00 pH

Shape of electrode : Round glass pH electrode

pH measurement accuracy : ± 0.01 pH

Calibration point : 1 - 3 points

pH measurement range : pH range: (-1.00) to 15.00 pH

Shape of electrode : Flat pH electrode

pH measurement accuracy : ± 0.01 pH

Calibration point : 1 - 3 points

pH measurement range : pH range: (-1.00) to 15.00 pH

Shape of electrode : Long distance planar pH electrode

pH measurement accuracy : ± 0.01 pH

Calibration point : 1 - 3 points

pH measurement range : pH range: (-1.00) to 15.00 pH

Shape of electrode : Round glass pH electrode

pH measurement accuracy : ± 0.01 pH

Calibration point : 1 - 3 points

pH measurement range : pH range: (-1.00) to 15.00 pH

Shape of electrode : Flat pH electrode

pH measurement accuracy : ± 0.01 pH

Calibration point : 1 - 3 points

pH measurement range : pH range: (-1.00) to 15.00 pH

Shape of electrode : Long distance planar pH electrode

pH measurement accuracy : ± 0.01 pH

Calibration point : 1 - 3 points

Salinity measurement range : 0.00 to 10.00 ppt

Salinity accuracy : ± 1 % F.S

Conductivity range : 0 - 20.00, 200.0, 2000 µS/cm, 20.00 mS/cm

Calibration solutions : 84 µS/cm, 1413 µS/cm, 12.88 mS/cm

Salinity measurement range : 0.00 to 80.00 ppt

Salinity accuracy : ± 1 % F.S

Conductivity range : 0 - 200.0 µS/cm, 100 - 2000 µS/cm, 20.00 mS/cm

Calibration solutions : 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm

TDS range : 0 - 20 ppt

TDS accuracy : ± 1 % F.S.

TDS factor : 0.1 to 1.0 (default 0.5)

Calibration points : 1 - 3 points

TDS range : 0.5 - 100.0 ppm

TDS accuracy : ± 1 % F.S.

TDS factor : 0.4 to 1.0 (default 0.5)

Calibration points : 1 point

TDS range : 5 - 1000 ppm

TDS accuracy : ± 1 % F.S.

TDS factor : 0.4 to 1.0 (default 0.5)

Calibration points : 1 point

TDS range : 0.05 - 10.00 ppt

TDS accuracy : ± 1 % F.S.

TDS factor : 0.4 to 1.0 (default 0.5)

Calibration points : 1 point

Dissolved oxygen range : 0.0 to 20.0 mg / L (or ppm)

Dissolved oxygen accuracy : ± 0.5 mg / L

Resolution : 0.1 mg / L

Calibration points : 1 - 2 points

Dissolved oxygen range : 0.0 - 20.0 mg / L (or ppm)

Dissolved oxygen accuracy : ± 0.2 mg / L

Resolution : 0.01 mg / L

Calibration points : 1 - 2 points

pH Measurement Range : (-2.000) to 20.000 pH

pH Accuracy : ± 0.002 pH

pH Calibration Points : 1 - 5 points

pH Calibration Solutions : USA, NIST, DIN or user defined

pH mode : pH measurement range (-2.000) to 20.000 pH pH accuracy ± 0.002 pH pH calibration points 1 to 5 points pH calibration solutions USA, NIST, DIN or user defined

ORP measurement : ORP measurement range -1999.9 to 1999.9 mV ORP accuracy ±0.2 mV ORP calibration points 1 point ORP calibration solutions mV & relative mV

Conductivity measurement : Conductivity measurement range 0 to 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm Conductivity accuracy ± 0.5 % F.S. Conductivity calibration points 1 to 5 points Conductivity calibration solutions 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm Temperature coefficient 0.0 to 10.0 % / °C Compensation modes Linear or pre water Cell constant K = 0.1, 1, 10 or user-defined Normalization temperature 20 °C or 25 °C

TDS measurement : TDS range 0 to 100 ppt. (max. 200 ppt., depending on factor setting) TDS accuracy ± 1 % F.S. TDS factor 0.1 - 1.0 (default 0.5)

Temperature compensation : 0 to 100 °C, 32 to 212 °F, Manual or Automatic

Stability conditions : Low or high

Calibration due : 0 to 31 days

Memory : Stores up to 500 data sets

Temperature compensation : 0 to 100 °C, 32 to 212 °F, Manual or Automatic

Stability conditions : Low or high

Calibration due : 0 to 31 days

Memory : Stores up to 500 data sets

Absorbance Detection Range : 0 to 3Abs

Absorbance Resolution : 0.001Abs

Optical Path Stability : ≤ ±0.005Abs/30min

Operation Repeatability : ≤ ±0.01Abs

pH Range : -2.000 to 20.000 pH

pH Resolution : 0.1, 0.01, 0.001 pH

pH Accuracy : ± 0.002 pH

pH Calibration Points : Up to 8

pH range : (-2.00) to 16.00 pH

pH accuracy : ± 0.01 pH

pH resolution : 0.01 pH

Calibration points : 2 points

pH range : (-2.00) to 20.00 pH

pH accuracy : ± 0.002 pH

pH resolution : 0.1, 0.01, 0.001 pH

Calibration points : 1 - 5 points

Water hardness range : 0.05 mmol / L - 0.2 mol / L (CaCO3) 0 - 19999 mg / L, (CaO) 0 - 11220 mg / L, (boiler) 0 - 400 mmol / L, (Ca) 0 - 8020 mg / L (German degree) 0 - 1122 °dH, (English degree) 0 - 1404 °e, (French degree) 0 - 2000 °f

Accuracy : ± 1 % F.S.

Calibration points : 2 to 5 points

Calibration solution : 0.001, 0.01, 0.1 mmol / L, 0.001, 0.01, 0.1 mol / L

COD Measurement Range : 2 to 10000 mg/ L

COD Measurement Accuracy : < 50 mg/ L, ≤ ± 10% > 50 mg/ L, ≤ ± 5%

COD Minimum Detection Limit : 0.1 mg/ L

COD Measurement Time : 20 minutes

COD Measurement Range : 5 to 5000 mg/ L

COD Measurement Accuracy : < 50 mg/ L, ≤ ± 10% > 50 mg/ L, ≤ ± 5%

COD Minimum Detection Limit : 0.1 mg/ L

COD Measurement Time : 20 minutes

Measuring range (NTU) : 0 to 100, 0 to 200

Minimum readout value (NTU) : 0.01

Calibration point : 2

Sample volume : 18 to 20 ml

Measuring range (NTU) : 0 to 100, 0 to 200, 0 to 500

Minimum readout value (NTU) : 0.01

Calibration point : 3

Sample volume : 18 to 20 ml

Measuring range (NTU) : 0 to 10, 0 to 100, 0 to 200, 0 to 500

Minimum readout value (NTU) : 0.001

Calibration point : 4

Sample volume : 18 to 20 ml

Measuring range (NTU) : 0 to 10, 0 to 100, 0 to 200, 0 to 500, 0 to 1000

Minimum readout value (NTU) : 0.01

Calibration point : 5

Sample volume : 18 to 20 ml

Measuring range (NTU) : 0 to 10, 0 to 100, 0 to 200, 0 to 500, 0 to 1000

Minimum readout value (NTU) : 0.001

Calibration point : 5

Sample volume : 18 to 20 ml

Measuring range (NTU) : 0 to 10, 0 to 100

Minimum readout value (NTU) : 0.001

Calibration point : 2

Sample volume : 18 to 20 ml

Measuring range (NTU) : 0 to 100

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 1

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 50, 0 to 100, 0 to 200

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 3

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 50, 0 to 100, 0 to 200, 0 to 400

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 4

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 50, 0 to 100, 0 to 200, 0 to 400, 0 to 800

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 5

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 50, 0 to 100, 0 to 200, 0 to 400, 0 to 800, 0 to 1000

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 6

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0.000 to 20.00, 20.01 to 200.0, 200 to 2000, 2001 to 4000

Minimum readout value (NTU) : 0.001

Calibration point : 1 to 8

Sample volume : 20 to 30 ml

Measuring range (NTU) : 0 to 200

Minimum readout value (NTU) : 0.1

Calibration point : Nil

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 100, 0 to 200

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 4

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 100, 100 to 400

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 5

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 100, 100 to 500

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 6

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 100, 100 to 800

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 6

Sample volume : 5 to 10 ml

Measuring range (NTU) : 0 to 100, 100 to 1000

Minimum readout value (NTU) : 0.01, 0.1

Calibration point : 7

Sample volume : 5 to 10 ml

Light source : LED/860 nm (Wavelength)

Readings display : LCD

Unit switches : NTU, FTU, EBC, ASBC

Measurement range : 0.00-20.0; 20.01-200; 200.01-1000 NTU

Measuring Range (NTU) : 0 to 1000 NTU

Accuracy : ±0.3 NTU or ±8% NTU

Repeatability :

Calibration Point : 8

pH measurement range : 01.00 to 15.00 pH

pH calibration points : 1 to 3 points

pH Buffer Solutions : USA (pH 4.01, 7.00, 10.01) or NIST (pH 4.01, 6.86, 9.18)

pH accuracy : ± 0.01 pH

Dissolved oxygen range : 0.0 to 20.0 mg / L (or ppm)

Dissolved oxygen Calibration points : 1 - 2 points

Dissolved oxygen accuracy : ± 0.5 mg / L

Dissolved oxygen resolution : 0.1 mg / L

Conductivity measurement range : 0.01 to 20.00, 200.0, 2000 µS/ cm, 20.00, 200.0 mS/ cm

Conductivity calibration points : 1 to 3 points

Conductivity accuracy : ±1 % F.S.

Conductivity resolution : 0.001/ 0.01/ 0.1/ 1

Measurement range : 20000 mg/L 0.01 mg/L ~ 45000 mg/L 0.01 mg/L ~ 120000 mg/L

Measurement accuracy : ± 2 % F.S. of its range ( Depending on the homogeneity of sludge)

Pressure range : ≤ 0.4 Mpa

Flow rate : ≤ 2.5 m/s, 8.2 ft./s

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

mV Mode : mV Range -1999.9 to 1999.9 mV mV Accuracy ± 0.2 mV mV Resolution 0.1/1 mV, selectable mV Calibration Points 1 Point

Conductivity Mode : Conductivity Range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm Conductivity Accuracy ± 0.5% F.S. Conductivity Resolution 0.01/0.1/1 Conductivity Calibration Points 1 to 5 Points Conductivity Solutions 10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm Conductivity Temperature coefficient 0.0 to 10.0 %/°C Compensation mode Linear or Pure Water Cell Constant K=0.1, 1, 10 or Custom Reference temperature 20 or 25°C

TDS Mode : TDS Range 0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt) TDS Accuracy ± 1 % F.S. TDS Factor 0.1  to 1.0 (default 0.5)

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

mV Mode : mV Range -1999.9 to 1999.9 mV mV Accuracy ± 0.2 mV mV Resolution 0.1/1 mV, selectable mV Calibration Points 1 Point

Conductivity Mode : Conductivity Range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm Conductivity Accuracy ± 0.5% F.S. Conductivity Resolution 0.01/0.1/1 Conductivity Calibration Points 1 to 5 Points Conductivity Solutions 10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm Conductivity Temperature coefficient 0.0 to 10.0 %/°C Compensation mode Linear or Pure Water Cell Constant K=0.1, 1, 10 or Custom Reference temperature 20 or 25°C

TDS Mode : TDS Range 0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt) TDS Accuracy ± 1 % F.S. TDS Factor 0.1  to 1.0 (default 0.5)

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

mV Mode : mV Range -1999.9 to 1999.9 mV mV Accuracy ± 0.2 mV mV Resolution 0.1/1 mV, selectable mV Calibration Points 1 Point

Conductivity Mode : Conductivity Range 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm Conductivity Accuracy ± 0.5% F.S. Conductivity Resolution 0.01/0.1/1 Conductivity Calibration Points 1 to 5 Points Conductivity Solutions 10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm Conductivity Temperature coefficient 0.0 to 10.0 %/°C Compensation mode Linear or Pure Water Cell Constant K=0.1, 1, 10 or Custom Reference temperature 20 or 25°C

Dissolved Oxygen Mode : Dissolved Oxygen Range 0.00 to 20.00 mg/ L Dissolved Oxygen Accuracy ± 0.2 mg/ L Dissolved Oxygen Resolution 0.1/ 0.01 mg/ L, selectable Dissolved Oxygen Calibration Points 1 or 2 Points % Saturation Range 0.0 to 200.0 % with ± 2 % accuracy Pressure correction 60 to 112.5 kPa, 450 to 850 mmHg Salinity correction 0 to 50 g/ L

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

pH : Range -2.00 to 20.00pH Resolution 0.1, 0.01 pH Accuracy ±0.01 pH Calibration Points Up to 5 Standard Customization Yes Standard Recognition NIST, GB, USA and DIN buffers Slope Limit Yes

Ion Measurement : Unit μg/L, mg/L, g/L, mmol/L, and PX Methods Fˉ, Clˉ, Brˉ, Iˉ, NO³ˉ, BF⁴ˉ, NH⁴⁺, K⁺, Na⁺, Ca²⁺, Cu²⁺, Pb²⁺, Ag⁺

mV : Range -2000.0 to 2000.0 mV Resolution 0.1 mV Accuracy ±0.3 mV or ±0.1%

pX : Range -2.00 to 20.00 pX Resolution 0.1, 0.01 pX Accuracy ±0.01 pX Calibration Points Up to 5

Determination range : 0 to 35 mg/L, 0 to 70 mg/ L, 0 to 350 mg/L, 0 to 700 mg/L (without dilution) 0 to 4000 mg/ L (need to dilute) (subsection measurement)

Measurement error : Less or less than 10 %

Sample container/ bottle quantity : 1 to 6

Sample container/ bottle Capacity : 1000 ml

Temperature compensation : 0 to 100 °C, 32 to 212 ° F, Manual or Automatic

Temperature coefficient : Linear

Reference temperature : 25 °C

Stability conditions : Low or high

Temperature compensation : 0 to 100 °C, Manual or Automatic

Temperature coefficient : Linear and Pure water compensation

Reference temperature : 20 °C or 25 °C

Stability conditions : Low or high

Temperature compensation : 0 to 100 °C, 32 to 212 ° F, Manual or Automatic

Temperature coefficient : Linear and Pure water compensation

Reference temperature : 20 °C or 25 °C

Stability conditions : Low or high

Temperature compensation : 0 to 100 °C, 32 to 212 ° F, Manual or Automatic

Temperature coefficient : Linear and Pure water compensation

Reference temperature : 20 °C or 25 °C

Stability conditions : Low or high

Range : 0 to 1.0 aw

Resolution : 0 to 1.0 aw

Accuracy : ± 0.02 aw

Sensor : Nonconductive humidity sensor

Measuring range : Water activity 0 to 0.980 aw (no condensing )

Temperature range : 0 to 50°C

Measurement accuracy : ± 0.015 aw

Temperature accuracy : ± 0.5°C

Light source : LED

Wavelength of light : 515 nm

Dimension : 230 × 86 × 47 mm

Power supply : AA Battery or 5V DC 1A

Testing Items : Free Chlorine, Chlorine Dioxide

Testing Range : Free Chlorine: 0.01 to 5.00 mg/L Chlorine Dioxide: 0.02 to 10.00 mg/L

Precision : 3% ± 0.01

Testing Method : DPD Spectrophotometry

Sample volume : 1.2L

Diameter : 4.8inch/118mm

Max. sample depth : 98.4 feet/30m

Point or Profile sampling : Point sampling

HOCl Measuring Range : 0 to 10.00 mg/L

Cl Measuring Range : 0 to 20.00 mg/L

pH Range : 0 to 14 pH

Temperature Range : 0 to 60°C

Measuring principle : Dichromate colorimetric method

COD range : 0.0 to 1500 mg/L

Accuracy : ±8%

Repeatability : 0.03

Measurement range : 0.01 to 20000 mg/L 0.01 to 45000 mg/L 0.01 to 120000 mg/L

Operating temperature : 0 to 50℃（Non-freezing）

Storage temperature : -15 to 60 ℃

Measurement accuracy : Less than the ±5 % of measured value. (Depending on the homogeneity of sludge)

Measurement Range : 0.001 to 100000 mg/L (Customizable)

Measurement Accuracy :

Resolution Rate : 0.001/0.01/0.1/1 mg/L

Sensor Material : SUS316L + POM

Moisture Permeance Layer : 1

Measuring Glass : 8 pieces

Temperature Range : 18℃ to 50 ℃

Temperature Resolution : 0.1℃