Catalog product name

Multi-digital pH, electrical conductivity, dissolved oxygen meter electrode set

type

WQ-330PCD-S

Measurement items

pH/mV/electric conductivity/salt concentration/TDS/resistivity/DO/O2/temperature

Measurement range (pH/mV)

pH: -2.00 to 20.00, -2.00 to 20.000 mV: ±1000.0mV

Measurement range (electrical conductivity)

0.000～0.199/0.200～1.999/2.00～19.99/20.0～199.9/200～1999 [μS/cm] 2.00～19.99/20.0～199.9/200～2000[mS/cm] 0.0～19.9/20.0～199.9/200～1999[μS/m] 2.00～19.99/20.0～199.9/200～1999[m/m] 2.00～19.99/20.0～200.0[S/m]

Measurement range (salt concentration/TDS)

Salt concentration: 0.00-80.00ppt, 0.000-8.000% TDS: 0.01 to 00000mg/L

Measurement range (resistance)

0.1～199.9/200～1999 [Ω・cm] 2.00～19.99/20.0～199.9/200～1999 [kΩ・cm] 2.00～19.99/20.0～200.0 [MΩ・cm] 0.001～1. 999/2.00～19.99/20.0～199.9/200～1999 [Ω・m] 2.00～19.99/20.0～199.9/200～2000 [kΩ・m]

Measurement range (DO/O2/temperature)

DO: 0.00-20.00mg/L, 0.0-200.0% O2: 0.0-50.0% Temperature: -30.0-130.0℃ (pH/electric conductivity sensor head working temperature range: 0-60℃, DO sensor operating temperature range: 0-5 0℃)

Resolution

pH: 0.01 (-2.00 to 20.00), 0.001 (-2.000 to 20.000) mV: 0.1mV Electrical conductivity: 4 significant digits (automatic range change) Salt concentration: 0.01ppt, 0.001% TDS: effective number 4 digits, minimum resolution display 0.01 Resistivity: 4 significant digits (automatic range change) DO: 0.01mg/L, 0.1% O2: 0.1% Temperature: 0.1℃

Instrument reproducibility (pH/mV)

pH: ±0.01 (-2.00 to 20.00), ±0.005 (-2.000 to 20.000) mV: ±0.1mV

Instrument reproducibility (electrical conductivity/salt concentration/TDS/resistivity)

Electrical conductivity: ±0.5% of the full scale of each range, 200mS/cm (20.0S/m) or more: ±1.5% Salt concentration: ±0.5% of the reading or the larger 0.01ppt TDS: ±0.5% or 0.1m of the reading Larger g/L resistivity: ±0.5% of full scale, 20.0MΩ・cm (200kΩ・m) or more in each range: ±1.5% of full scale

Instrument reproducibility (DO/O2/temperature)

DO: ±0.2mg/L, ±2% (repetitivity to atmospheric saturated water. 25℃, under normal pressure) O2: ±0.5% Temperature: ±0.5℃

Salt correction (DO)

Automatic correction from salt concentration of electrical conductivity sensor measurement or manual: 0.0 to 40.0ppt

Atmospheric pressure correction (DO)

Automatic correction from the atmospheric pressure sensor equipped on the meter or manually: 10.0 to 199.9kPa

Proofreading score

pH: 5 points Electrical conductivity: 4 points (automatic), 5 points (manual) Salt concentration: 1 point DO: 2 points Temperature: 1 point

Number of data memory

10000

display

Color graphic TFT-LCD (3.5 inch)

Dustproof and waterproof grade

Equivalent to IP67

Power supply

4 AA alkaline batteries

External dimensions and weight

W90×D220×H34mm・about 320g (excluding batteries)

Set contents (body/sensor/standard solution)

Main body (WQ-330J), pH sensor head (300-P-2), pH cartridge (300-P-C), pH standard solution (pH4.01, 6.86, 9.18 60ml each), electrical conductivity sensor head (300-C-2), electricity Conductivity cartridge (300-4C-C), electrical conductivity standard solution (84μS/cm, 1413μS/cm, 12.88mS/cm, 111.8mS/cm 60ml each), optical DO sensor (300-D-2)

Set contents (others)

Carrying case, atmospheric calibration bottle, protective cap, 4 AA alkaline batteries, instruction manual/simple manual