ZD INSTRUMENT ZDRS-200 Hydroponics Nutrient Monitor Series (Bluelight; 0-1999ppm)

Measuring Range:

pH: 0.00 – 14.00

TDS: 0 – 1999 ppm (×10)

Temperature: 0 – 90°C

Resolution:

pH: 0.10

TDS: 10 ppm

Temperature: 0.1°C / 0.1°F

Accuracy:

pH: ±0.10

TDS: ±2% F.S.

Temperature: ±1°C / ±2°F

Calibration:

pH: 6.86/4.01 or 6.90/4.01

TDS: 1382 ppm

Temperature: 25°C

Operating Temperature: 5 – 50°C (ATC)

Power Supply: AC 110V/220V input → DC 9V output

Datasheet