pH

Measuring range

Resolution

Accuracy

Input current

Input impedance

Stability

Temp Compensation range

(-1.99 ~ 19.99) pH

0.1/0.01 pH

Electrode: ±0.02 pH

≤1×10^-12 A

≥1×10¹² Ω

±0.02 pH

(0 ~ 100)℃ (auto or manual)

mV

Measuring range(mV/ORP/EH)

Resolution

Accuracy

-1999.9mV ~ 0 ~ 1999.9mV

0.1mV

±0.05% FS

Dissolved Oxygen

Measuring range

Resolution

Accuracy

Response time

Residual current

Temp compensation range

Salinity compensation range

Air pressure compensation

Automatic calibration

Electrode type

(0 ~ 20.00) mg/L(ppm)  (0 ~ 200.0)%

0.1/0.01 mg/L(ppm)      1/0.1%

Electrode: ±0.10 mg/L,  Instrument: ±0.40 mg/L

≤30 s (25℃, 90% response）

≤0.1 mg/L

(0 ~ 45)℃ (automatic)

(0 ~ 45) ppt (automatic)

(80 ~ 105) kPa (automatic)

Air saturated by water, water saturated by air

Polarographic

Temperature

Measuring range

Resolution

Accuracy

-10℃~ 110℃

0.1℃

5~ 60℃: ±0.4℃  Others: ±0.8℃

Other Technical Parameters

Data storage

Storage contents

Power

Communication connectors

Dimensions & Weight

1000 groups

Measurement series number, measuring value, temperature, ATC or MTC state, measuring date and time

DC12V/1A

Wireless Bluetooth, USB2.0

240 × 170 × 70mm/600g

Working Conditions

Ambient temperature

Ambient humidity

IP grade

5 ~ 35 ℃

≤85%

IP54