4-in-1 Portable PH/TDS/EC/TEMP Test Pen Multi-Function Water Quality Tester

The 4-in-1 Portable PH/TDS/EC/TEMP Test Pen is a multi-function water quality tester. It measures pH, TDS, EC, and temperature for water quality analysis.

• Measuring range: pH: 0.00-16.00
• TDS: 0-19990 ppm
• EC: 0-19990 μs/cm
• Resolution: 0.01 pH
• Resolution: 1 ppm
• Resolution: 1 μs/cm
• Resolution: 0.1 degree C
• Resolution: 0.1 degree F
• Accuracy: pH: +/-0.01
• Accuracy: TDS/EC: +/-2%
• Accuracy: temperature: 0.5 degree C
• Battery: 3x1.5V LR44 button battery (not included)
• Temperature range: 0.1-60.0 degrees Celsius
• Temperature range: 32.0-140.0 degrees Fahrenheit
• Calibration: pH: three-point automatic calibration (6.86, 4.00, 9.18)
• Calibration: TDS: 1413 μs/cm
• Calibration: EC: 1413 μs/cm
• Automatic shutdown: 5 minutes
• Dimensions: 18.5 x 3.7 x 2.4 cm
• Weight: 90 grams