Advanced multiparameter water quality meter for 10 measuring range

Model

DZS-718

DZS-712

Measuring range

pH/pX:(-2.000~19.999)pH/pX

 pH/pX:(-2.00~20.00)pH/pX

O R P: (-1999.99~1999.99)mV

O R P: (-1999.9~1999.9)mV

Conductivity: 

0.000μS/cm~199.9mS/cm

Conductivity:

0.000μS/cm~199.9mS/cm

Resistivity: 0.00Ω.cm~20.00MΩ.cm

Resistivity: 0.00Ω.cm~20.00MΩ.cm

T D S:0.000 mg/L~100g/L

T D S:0.000 mg/L~100g/L

Salinity: (0.00~8.00)%

Salinity: (0.00~8.00)%

Dissolved oxygen: (0.00~19.99)mg/L

Dissolved oxygen: (0.00~19.99)mg/L

Dissolved oxygen saturation: 

(0.0~199.9)%

Dissolved oxygen saturation: 

(0.0~199.9)%

Ion concentration:(0~19990),

unit: ug/L,mg/L,g/L,mol/L,mmol/L

Ion concentration:(0~19990),

unit: ug/L,mg/L,g/L,mol/L,mmol/L

Temp: (-5.0~135.0)℃

Temp: (-5.0~135.0)℃

Resolution

pH/pX: 0.01,0.001pH   

pH/pX: 0.01pH   

O R P: 0.1/0.01 mV   

O R P: 0.1 mV   

Conductivity: 0.001μS/cm

Conductivity: 0.001μS/cm

Resistivity: 0.01 Ω.cm

Resistivity: 0.01 Ω.cm

T D S:0.001 mg/L

T D S:0.001 mg/L

Salinity: 0.1 %

Salinity: 0.1 %

Dissolved oxygen:0.01mg/L

Dissolved oxygen:0.01mg/L

Saturation: 0.10%

Saturation

Temperature: 0.1℃

Temp:0.1℃

Accuracy:

pH/pX:±0.002pX±1 bit

pH/pX:±0.01pX±1bit

ORP: ±0.03%FS

pH/pX:±0.01pX±1 digit

Conductivity: ±0.5%FS

ORP: ±0.1%FS

Resistivity: :±0.5%FS

Conductivity: ±1.0%FS

T D S:± 0.5%FS

Resistivity:±1.0%FS

Salinity: ±0.1%

T D S:±1.0%FS

Ion concentration: ±0.5%±1 digit

Salinity: ±0.2%

Dissolved oxygen: ±0.30mg/L

Ion concentration: ±0.5%±1 digit

Dissolved oxygen saturation:±10.0%

Dissolved oxygen:±0.30mg/L

Temp: ±0.3℃±1 digit

Dissolved oxygen saturation:±10.0%

Temp: ±0.3℃±1 digit

Input impedance

>3×1012Ω

>3×1012Ω

Dissolved oxygen 

response time

<=45s(90% respond at 20°C  )

<=45s(90% respond at 20°C )

Automatic temp. range:

pH:(0.0~100.0)℃

pH:(0.0~100.0)℃

Conductivity:(0.0~100.0)℃

Conductivity: (0.0~100.0)℃

Dissolved oxygen: (0.0~40.0)℃

Dissolved oxygen: (0.0~40.0)℃

Power:  

4 alkaline batteries of model 5

DC power supply(9V DC,800mA,

inside-positive and outside-negative)

Dimension

210×100×45mm

210×100×45mm

Weight

0.5kg

0.5kg