pH

Measuring range

(-2.00 - 19.99) 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

mV

Temperature compensation range

(0 - 100)℃ (Automatic/Manual)

Measuring range(mV/ORP/EH)

-1999 mV - 1999 mV

Resolution

1 mV

Accuracy

Electrometer:±0.1% FS

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 - 99)℃ (Automatic)

Salinity compensation range

(0 - 45) ppt

Pressure compensation range

(0 - 200) kPa

Residual current

≤0.1 mg/L

Electrode type

Polarographic

Other Parameters

Data storage

150 sets

Power supply

2 AA batteries (1.5 V×2)

Dimensions & Weight

Meter: (90×160×30) mm, 200 g;

Carrying case: (255×210×50) mm, 790 g

Stored content

Serial number, measurement value, unit of measurement and temperature value

Quality and safety certifications

ISO9001:2000, CE and CMC

Working Conditions

Temperature

5 - 35 ℃ (Class 0.01)

Humidity

≤85%

IP grade

IP57