Features
Intelligent operating system upgrade capable of handling a variety of complex analyses, including timed measurements, parameter settings, and data locking, applicable for multiple parameters such as pH, conductivity, and dissolved oxygen.
3.5″TFT Color Display, easy to read
The new UI interface, easy operation
Intelligent function with Auto. timing datalogger, parameter setting, data holder
Data storage up to 3000 groups
Cond mode: Support probe constant calibration, conductivity standard solution calibration
Power supply: rechargeable lithium battery/USB
Charging socket: USB/Type-C, in line with the European new regulations.
Protection class: IP57
Parameters
Parameter    pH/mV.℃ | mV(ORP).℃ | Cond/TDS/Sal./Res.℃ 
| DO.℃
pH Resolution    0.1/0.01/0.001
pH Calibration points    1, 2, -3pts automatic
ORP Measurement range    (-1999.9~+1999.9) mV
pH Measurement range    (-2.000~20.000) pH
pH Accuracy    ±0.002pH ±one digit
pH ATC range    (0.0~100.0) ℃/(32.0~212.0)°F
ORP Resolution    0.1/1
ORP Accuracy    ±0.03%F.S ±one digit

Conductivity Measurement range    0~2000.0mS/cm,Auto-ranging:0~19.999μS/cm;
20.0~199.9μS/cm;200~1999μS/cm;
2.00~19.99mS/cm;20.00~199.9mS/cm;
200.0~2000mS/cm(K=10);
Match test range:0~200mS/cm;
TDS:0~100.0g/L(TDS factor adjustable)
Resistivity:5.000Ω·cm~100.0MΩ·cm;
Salinity:0~100ppt
Conductivity Calibration points    one point
Conductivity ATC range    (0.0~50.0) ℃/(32.0~122.0)°F
DO Measurement range    (0.00~20.00)mg/L
Conductivity Resolution    0.001/0.01/0.1/1
Conductivity Accuracy    ±0.5% FS ±one digit
DO Accuracy    ±0.30mg/L
DO saturation    (0.0~200.0)%
DO Automatic barometric pressure compensation    (0~200.0)kPa
DO Automatic temperature compensation    (0.0~50.0) ℃/(32.0~122.0)°F
Temperature Measurement range    (0.0~100.0) ℃/(32.0~212.0)°F
Charging socket    Type-C
DO Manual salinity compensation    0~45ppt
Temperature Accuracy    ±0.2℃
Power supply    Rechargeable lithium battery
IP Rating    IP57

Test kit    Meter; pH probe D201T-H; 
Cond probe DCON201T,K=1.0;
DO probe DDO01-2M-H, 2m cable; 
pH buffers: pH4.00/7.00/10.01, 50mL each;
Cond solutions: 84μS/1413μS/12.88mS/cm, 50mL each;
Membrane refill: DDOS-01, 30mL, 1 btl;
Caps DDOSC, 3 pcs/group, 1 pkg;
Lithium battery (pre-installed); Charging cable: 1 pc;
Case: 33.0x27.8x8.2 cm, 1 pc.