Water Quality Testing Pen Water Quality Testing Pen Perfect for a wide range of water quality testing applications, this versatile pen is ideal for: Drinking water testing Hydroponic cultivation Laboratory use Aquaculture Sewage treatments Features: Clear LCD Display: Large screen with easy-to-read numerical values. Convenient Battery Usage: Operates on three button batteries, making replacement simple. High Accuracy Measurements: Equipped with a high sensitivity electrode probe and automatic temperature compensation to minimize errors. Multiple Modes: The test pen includes four different modes, easily switchable using the MODE/CAL button. Mode Memory Function: Automatically recalls the last mode used upon startup. Specifications: Color: Green and White Material: Plastics ORP Measuring Range: 0-1999mV H2 Measuring Range: 0-10000ppb Chlorine Measuring Range: 0-4.00ppm Temperature Measuring Range: 0-60℃ / 32-140℉ Battery: 3 x LR44 button batteries, 1.5V, 160mAh Item Size: 186 x 37 x 23mm (7.3 x 1.5 x 0.9 inches) Package Size: 280 x 80 x 45mm (11.0 x 3.1 x 1.8 inches) Package Weight: 160g (5.6 ounces) Packing List: 1 x Water Testing Pen
