650 Portable DO meter kit includes: Meter, all-in-one electrode, conductivity cell, DO probe, calibration standards (60mL each of pH 4.01, pH 7.00, 1413 µS/cm and 12.88 mS solution) rubber boot, multiprobe holder, batteries and hard carrying case.

Meter Specifications--

Range:
pH range: -2,000 to 20,000 pH
Ion range: 0.001 to 19,900 ppm, molar, or mg/L
mV range: ± 2000 mV
Conductivity range: 0 to 500.0 mS
TDS range: 0 to 500 ppt
Salinity range: 0 to 80 ppt
DO range: 0.00 to 20.00 mg/L (ppm), 0.0 to 200.0%
Temperature range: -10.0° to 110° C (14.0° to 230.0° F) selectable

Resolution:
pH resolution: 0.1/0.01/0.001 pH
Ion resolution: 2 or 3 digits
mV resolution: 0.1 mV
Conductivity resolution: ± 0.05% full-scale
DO resolution: ± 0.01 mg/L (ppm), 0.1%
Temperature resolution: 0.1°C (0.1°F)

Accuracy:
pH accuracy: ±0.002 pH
Ion accuracy: ±0.5% full-scale (monovalent); ±1% full-scale (divalent)
mV accuracy: ±0.2 mV
Conductivitiy accuracy: ±1% full-scale
DO accuracy: ±0.2 mg/L; ±2%
Temperature accuracy: ±0.5°C (±0.9°F)(

Calibration:
pH callibration: Up to 6 buffer values (select from 4 sets) USA - 1.68, 4.01, 7.01, 10.01, 12.45; NIST - 1.68, 4.01, 6.86, 9.18, 12.45; DIN - 1.09, 2.06, 4.65, 6.79, 9.23, 12.75, or custom buffers
Ion callibration: Up to 6 points
Conductivity calibration: Manual up to 5 points (1 per range); automatic up to 4 points (84.0 µS/cm; 1413 µS/cm; 12.88 mS/cm, 111.8 mS/cm)
DO calibration: Two points; 100% and 0%
Temperature: Offset 0.1°C (0.1°F) increments

4-Cell Conductivity Cell performs Conductivity, TDS, Salinity and Resitivity.

OEM #: WD-35434-00