ZD INSTRUMENT ZDPMT-2108 Hydroponics Nutrient Monitor (0-1999ppm, 0 – 90°C (32 – 194°F))

Measuring Range: 0 – 1999 ppm

Temperature Range: 0 – 90°C (32 – 194°F)

Resolution: 10 ppm

Accuracy: ±2% F.S.

Operating Temperature: 5 – 50°C (ATC)

Calibration: One-point at 1382 ppm

Temp Calibration: One-point at 25°C

Display: LCD with blue backlight

Power Supply: AC 110V/220V → DC 9V

Datasheet