เครื่องวัดคุณภาพน้ำแบบมัลติพารามิเตอร์ ST400M-G Ohaus

Measurement Range 0-20 MΩ•cm; -5 °C – 110 °C; -2.00 – 16.00 pH; 00.0 μS/cm – 199.9 mS/cm; 0.1 mg/L – 199.9 g/L (TDS); -1999 – 1999 mV; 0-99.9 psu

Accuracy ± 0.5 % F.S.; ±0.3 °C; ±1 mV; ±0.01 pH

Measurement Resolution 0.01 mg/L; 0.01 psu; 0.1 °C; 0.1 μs/cm; 0.01 pH; 0.01 Ω•cm; 1 mV

Display LCD Backlit Display

Electrode ST320 IP67 3m (Included); STCON3 IP67 3m (Included)

Accuracy ± (mV) 1 mV

Accuracy ± (Temperature) 0.3 °C

Battery Life 40 Hours with Rechargeable Battery

Conductivity accuracy (±) 0.5 %

Conductivity measuring range 0.01 μS/cm-199.9 mS/cm

Dimensions 9.05 in x 1.57 in x 3.94 in (230 mm x 40 mm x 100 mm) (LxHxW)

Measurement Range (Temperature) -5 °C – 110 °C

Measurement Range -1,999 mV – 1,999 mV

Net Weight 0.77 lb (0.35 kg)

pH accuracy (±) 0.01

pH measuring range -2 – 16

pH resolution 0.01

Resistivity measuring range 0 MOhm – 20 MOhm

Resistivity resolution 0.01 MOhm

Resolution Cond. (Variable) 0.1 – 199.9

Resolution (Voltage) 1 mV

Temperature compensation Automatic

Temperature resolution 0.1 °C

Temperature Sensor 30 KΩ NTC

Working Environment 41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)

Warranty 1 year, Probe 6 months

Product from OHAUS / USA.