pH / Conductivity / DO Meter

pH

Measuring range

(-2.00   ~ 19.99) pH

Resolution

0.1/0.01   pH

Accuracy

±0.01   pH ±1 digit

Input current

≤1×10^-12   A

Input impendance

≥1×10¹²   Ω

Stability

±0.01   pH/3h ±1 digit

Temperature Compensation

(0   ~ 100)℃(automatic or manual)

mV

Measuring range

-1999mV   ~ 0 ~ 1999mV

Resolution

±200   mV :0.1 mV; others:1mV

Accuracy

±0.1%   FS ±1 digit

Conductivity

Range

Cond.:0~200   mS/cm, divided into five ranges:

(0.00~19.99)   μS/cm (20.0~199.9)μS/cm

 (200~1999)   μS/cm (2.00~19.99) mS/cm

  (20.0~199.9)   mS/cm

TDS:(0   ~ 100) g/L

Salinity:(0   ~ 100) ppt

Resistivity:(0   ~ 100) MΩ·cm

Resolution

0.01/0.1/1μS/cm 0.01/0.1   mS/cm

Accuracy

±1.0%   FS ±1 digit

Temperature Compensation

(0   ~ 50)℃(automatic or manual)

Electrode Constant

0.1   / 1 / 10 cm-1

Dissolved Oxygen

Range

(0   ~ 20.00) mg/L(ppm) (0 ~ 200.0) %

Resolution

0.01/0.1   mg/L(ppm) 0.1/1 %

Indicating value accuracy

±0.30   mg/L

Response time

≤30   s(25℃, response at 90%)

Zero accuracy

≤   0.10 mg/L

Temperature Compensation

(0   ~ 45)℃(automatic)

Salinity compensation

(0   ~ 45)ppt(automatic)

barometric pressure compensation

(60.0~   199.9)kPa(manual)

Electrode type

Polarographic

Temperature

Range

0~100℃

Resolution

0.1℃

Accuracy

±0.5℃±1   digit

Data Storage

1000   groups

Storage Content

serial   number, date, time, measuring value, measuring unit and temperature value

Output

USB

Power

AAA   batteries × 3 (1.5V× 3)/DC5V adaptors (USB port)

IP Rating

IP57   dust-proof and water-proof

Dimensions & Weight

Meter:(88×170×33)   mm / 313g; Carry case:(480×360×95) mm/3.2kg