Functions:

1.It can measure pX/pH, ORP, conductivity, TDS, salinity, Resistivity, dissolved oxygen, saturation and temperature.

2.It adopts LCD display and Chinese operation interface.

3.It has manual/automatic temperature compensation.

4.It provides zero oxygen and full scale calibration.

5.When the meter measures conductivity, it can switch frequency automatically to guarantee measuring accuracy.

6.It has power failure protection functions.

Specifications：

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:(-5.0～105.0)℃

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：0.01 %

Dissolved oxygen: 0.01mg/L
Saturation ：0.10%

Temp: ：0.1℃

3、Accuracy:
pH/pX：±0.01pX±1

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：±2.0%

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 compensation range:

pH：（0.0～100.0）℃

　　　　Conductivity:（0.0～100.0）℃

Dissolved oxygen:（0.0～40.0）℃

7、Power: DC power supply(9V DC，800mA，inside-positive and outside-negative)

8、Dimension（mm）：280×215×93

9、Weight：1kg