pH

 Range
 Resolution
 Relative Accuracy

 -2.000~19.999
 0.001/0.01/0.1
 ±0.002

 Concentration

 Range
 Resolution
 Relative Accuracy

 0.0001~19999mg/L
 ± one least significant
 ±0.25% of Reading

 Millivolts

 Range
 Resolution
 Relative Accuracy

 ±1999.9
 0.1
 ±0.1mV

 DO

 Range
 Resolution
 Relative Accuracy

 0.00~19.99mg/L
 0.01/0.1
 ±0.5mg/L​

 O₂

 Range
 Resolution
 Relative Accuracy

 0.0~60.0％
 0.1%
 ±1 digit

 Air Saturation

 Range
 Resolution
 Relative Accuracy

 0.0~199.9％
 0.1%
 ±1 digit

 Temperature

 Range

 Resolution
 Relative Accuracy

 pH/Ion/EC => 0~110℃
DO => 0~60℃
0.1℃
±0.4℃

 Temperature Compensation

 Auto

 Calibration

  pH => Auto/Manual(3Point)
Ion. DO => Auto

 Datalog

 100Points

 Print Capability

 Yes

 Display

 Backlight LCD

 Inputs

 BNC(pH), 8PIN(ATC,DO), 7.5V Adaptor

 Outputs

 RS232C (Computer/Printer)

 Power

Rechargeable Battery / DC Power Adaptor

 Certification

ISO9001, CE, GD mark

 Dimension

220(L) x 80(W) x 40(H), Weight 0.45kg

 Waterproof

 IP66