1、It provides many common ion modes such as H+、Ag+、Na+、K+、NH4+、Cl-、F-、NO3-、BF4-、CN-,Cu2+、Pb2+、Ca2+

2、It follows GLP practice and can store and print 2200 sets of measuring data.

3、It provides zero oxygen and full scale calibration.

4、It provides three measuring modes: continuous measuring, timing measuring and balance measuring mode.

5、It has USB ports. If matched with communication software, it can be connected with PC.

6、It is small size and low-energy designed. The protection level is IP65 for portable work and field measurement.

     1、Measuring range:

pH/pX：(-2.00～20.00)pH/pX

O R P：(-1999.9～1999.9)mV

Conductivity：0.000μS/cm～199.9ｍS/cm

Resistivity: 0.00Ω.cm～20.00MΩ.cm

T D S：0.000 mg/L～100g/L

Salinity: (0.00～8.00)%

Dissolved oxygen: (0.00～19.99)mg/L

Dissolved oxygen saturation: (0.0～199.9)%

Ion concentration：（0～19990），unit:ug/L、mg/L、g/L、mol/L、mmol/L

Temp:(-5.0～135.0)℃

2、Resolution:

pH/pX：0.01pH

O R P：0.1 mV

Conductivity: 0.001μS/cm

Resistivity: 0.01 Ω.cm

T D S：0.001 mg/L

Salinity: 0.1 %

Dissolved oxygen：0.01mg/L

Saturation

Temp：0.1℃

3、Accuracy:

pH/pX：±0.01pX±1 digit

pH/pX：±0.01pX±1 digit

ORP：±0.1％FS

Conductivity:±1.0％FS

Resistivity：±1.0％FS

T D S：±1.0％FS

Salinity：±0.2%

Ion concentration:±0.5%±1 digit

Dissolved oxygen：±0.30mg/L

Dissolved oxygen saturation：±10.0%

Temp:±0.3℃±1 digit

4、Input impedance>3×1012Ω

5、Dissolved oxygen response time<=45s(90% respond at 20°C )

6、Automatic temperature range:

pH：（0.0～100.0）℃

Conductivity:（0.0～100.0）℃

Dissolved oxygen：（0.0～40.0）℃

7、Power: 4 alkaline batteries of model 5

8、Dimension（mm）：210×100×45

9、Weight：0.5kg