pH

Measuring range

(-2.00 - 20.00) pH

Resolution

0.1/0.01 pH

Accuracy

Electrode:±0.01 pH,Meter:±0.02 pH

Input current

≤1×10⁻¹² A

Input impedance

≥1×10¹² Ω

Stability

±0.01 pH/3h

Temp. compensation range

(0 - 100)℃, (Automatic/Manual)

mV

Measuring range(mV/ORP/EH)

-2000 mV - 2000 mV

Resolution

1 mV

Accuracy

Electrode:±0.1% FS

Conductivity

Measuring range

(0.00 - 20.00) μS/cm

(20.0 - 200.0) μS/cm

(200 - 2000) μS/cm

(2.00 - 20.00) mS/cm

(20.0 - 200.0) mS/cm

TDS:(0 - 100) g/L

Salinity:(0 - 100) ppt

Resistivity:(0 - 100) MΩ·cm

Resolution

0.01/0.1/1 μS/cm; 0.01/0.1/1 mS/cm

Accuracy

Electrode:±1.0% FS,Meter:±1.5% FS

Temp. compensation range

(0 - 100)℃, (Automatic/Manual)

Electrode constant

0.01/0.1/1/10 cm⁻¹

Reference Temp.

25℃、20℃、18℃

DO

Measuring range

(0 - 20,00) mg/L(ppm) (0 - 200.0)%

Resolution

0.1/0.01 mg/L(ppm) 1/0.1%

Accuracy

Electrometer:±0.10 mg/L, Complete set:±0.40 mg/L

Response time

≤30 s (25℃, 90% response)

Temperature compensation range

(0 - 100)℃ (Automatic/Manual)

Salinity compensation range

(0 - 45) ppt

Electrode type

Polarographic

Residual current

≤0.1 mg/L

Air pressure compensation range

(80 - 105) kPa

Automatic calibration

air saturated with water; water saturated with air

Temperature

Range

(0 - 100)℃

Resolution

0.1℃

Accuracy

5-60℃:±0.4℃,other ranges:±0.8℃

Other Parameters

Data storage

500 sets

Display

7-inch color high-resolution (1024*600) capacitive touch screen

Power supply

Rechargeable lithium battery, 3.7 V/1800 mA rechargeable lithium battery

Communication interface

USB, optional Bluetooth

Dimensions & Weight

(195×135×40) mm,600 g

Stored content

measurement value number, measurement value, temperature value, ATC or MTC status, measurement date, measurement time

Working Conditions

Temperature

5 - 35℃ (0.01 class);15 - 30℃ (0.001 class)

Humidity

≤75%

IP grade

IP54