Ohaus® ST10T-A Model TDS Starter Pen Meter, 0.0 to 100 mg/L Measurement Range

Starter Pen Meter, TDS, 0 to 100 mg/L Measurement Range, 1.5 L x 1.77 W x 7.28" H, ABS Plastic Housing, ±2.5% FS Accuracy, 0.1 mg/L Measurement Resolution, Model ST10T-A, Single LCD Display, Four 1.5 V AG13 Batteries