Designed to bring simplicity to pH testing of soil, the HI981030 GroLine Soil pH Tester is designed for taking direct pH measurements in soil for environmental and agricultural testing. The built-in probe features an open reference junction, conical glass tip, and a removable sleeve design making it ideal for measuring the pH of soil. Better Features for Better Testing An onscreen stability indicator ensures the highest level of confidence in your results. The selectable auto-off feature prolongs battery life for peace-of-mind and energy savings if the meter is accidentally left on. Pocket Sized The compact size makes the Soil pH Tester ideal for on-the-go testing. A large LCD display provides at-a-glance readings from any angle and single button operation streamlines the testing process for any user. Long Battery Life The included CR2032 Li-ion battery provides up to 800 hours of continuous use. The battery icon will blink to let you know it is time to change the battery so you never miss a measurement. Your measurements require detailed attention; so should your electrode. The HI981030 Soil pH Tester features a built-in probe that has been carefully designed for taking direct pH measurements in soil for environmental and agricultural testing. Unique Open Junction with Removable Sleeve When the readings become slow, simple remove the sleeve for quick cleaning and new electrolyte. Having a clean probe with a fresh reference electrolyte will improve performance and extend the life of the tester. Conical Glass Tip The conical shaped tip design allows for penetration into soil and soil slurries. PVDF Body Polyvinylidene fluoride (PVDF) is a durable plastic that is resistant to most chemicals and solvents used for disinfection, including chlorine (bleach). pH Range 0.00 to 12.00 pH pH Resolution 0.01 pH pH Accuracy ±0.05 pH pH Calibration automatic, one or two-point pH Temperature Compensation Automatic, 0 to 50 °C pH Electrode pH electrode with replaceable bridge electrolyte Automatic Shut-Off 8 minutes, 60 minutes or disabled Battery Type/Life CR2032 lithium ion battery (included) / approximately 800 hours of continuous use Environment 0 to 50°C (32 to 122°F); RH 95% max Dimensions 51 x 151 x 21 mm (2 x 5.9 x 0.9“) Weight 46 g (1.62 oz.) Ordering Information HI981030 is supplied with built in soil pH electrode, HI70004 pH 4.01 buffer solution sachet (2), HI70007 pH 7.01 buffer solution sachet (2), HI700630 electrode cleaning solution for soil deposits sachet (1), HI700664 electrode cleaning solution for humus deposits sachet (1), HI9072 storage solution (13 ml), HI9071 replacement bridge electrolyte, instruction manual, instrument quality certificate, and plastic carrying case