Sper Scientific 850037 Conductivity Pen, Large

Easy to carry and simple to operate. Highly stable and accurate readings with large LCD display. Designed for simple one-hand operation. Simultaneously displays the parameter being measured and temperature in °C or °F. Features automatic temperature compensation, 2-pt. calibration, auto power off, hold function, and a low battery indicator. The case is IP65 waterproof, and will float if accidentally dropped into the water. Comes with 4 button-cell batteries and a built-in probe with protective cap. Dimensions: 6½" × 1½" × 1½" (165 × 38 × 38 mm) Weight: 2 oz (57 g).

• Sper Scientific 850037 Large Display TDS Pen displays the parameter being measured and temp in °C or °F. Features ATC 2-pt. calibration, hold function. The case is IP65 waterproof, and will float if dropped into the water
• The case is IP65 waterproof, and will float if accidentally dropped into the water.
• Features automatic temperature compensation, 2-pt. calibration, auto power off, hold function, and a low battery indicator.