Portable Multi-parameter Water Quality Meter LMPWM-A20 | Labtron

pH accuracy± 0.002 pH

pH calibration points1 – 5 points

pH calibration solutionsUSA, NIST, DIN or user defined

ORP measurement
ORP measurement range-1999.9 to 1999.9 mV

ORP accuracy±0.2 mV

ORP calibration points1 point

ORP calibration solutionsmV & relative mV

Conductivity measurement
Conductivity measurement range0 – 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm

Conductivity accuracy± 0.5 % F.S.

Conductivity calibration points1 – 5 points

Conductivity calibration solutions10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm

Temperature coefficient0.0 to 10.0 % / °C

Compensation modesLinear or pre water

Cell constantK = 0.1, 1, 10 or user-defined

Normalization temperature20 °C or 25 °C

TDS measurement
TDS range0-100 ppt. (max. 200 ppt., depending on factor setting)

TDS accuracy± 1 % F.S.

TDS factor0.1 – 1.0 (default 0.5)

Temperature compensation

0 to 100 °C, 32 to 212 °F, Manual or Automatic

Stability conditions

Low or high

Calibration due

0 to 31 days

Memory

Stores up to 500 data sets

Output

USB communication interface

Connector

BNC, 6- pin MINI connector

Display

LCD

Dimension (L × W × H)

170×85×30 mm

Weight

300 g

Power supply

3 × 1.5 V “AA batteries or DC 5 V power adapter